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1 | /* | |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2006 Fabrice Bellard | |
5 | * | |
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. | |
23 | */ | |
24 | #include "vl.h" | |
25 | ||
26 | #include <unistd.h> | |
27 | #include <fcntl.h> | |
28 | #include <signal.h> | |
29 | #include <time.h> | |
30 | #include <errno.h> | |
31 | #include <sys/time.h> | |
32 | #include <zlib.h> | |
33 | ||
34 | #ifndef _WIN32 | |
35 | #include <sys/times.h> | |
36 | #include <sys/wait.h> | |
37 | #include <termios.h> | |
38 | #include <sys/poll.h> | |
39 | #include <sys/mman.h> | |
40 | #include <sys/ioctl.h> | |
41 | #include <sys/socket.h> | |
42 | #include <netinet/in.h> | |
43 | #include <dirent.h> | |
44 | #include <netdb.h> | |
45 | #ifdef _BSD | |
46 | #include <sys/stat.h> | |
47 | #ifndef __APPLE__ | |
48 | #include <libutil.h> | |
49 | #endif | |
50 | #else | |
51 | #ifndef __sun__ | |
52 | #include <linux/if.h> | |
53 | #include <linux/if_tun.h> | |
54 | #include <pty.h> | |
55 | #include <malloc.h> | |
56 | #include <linux/rtc.h> | |
57 | #include <linux/ppdev.h> | |
58 | #endif | |
59 | #endif | |
60 | #endif | |
61 | ||
62 | #if defined(CONFIG_SLIRP) | |
63 | #include "libslirp.h" | |
64 | #endif | |
65 | ||
66 | #ifdef _WIN32 | |
67 | #include <malloc.h> | |
68 | #include <sys/timeb.h> | |
69 | #include <windows.h> | |
70 | #define getopt_long_only getopt_long | |
71 | #define memalign(align, size) malloc(size) | |
72 | #endif | |
73 | ||
74 | #include "qemu_socket.h" | |
75 | ||
76 | #ifdef CONFIG_SDL | |
77 | #ifdef __APPLE__ | |
78 | #include <SDL/SDL.h> | |
79 | #endif | |
80 | #endif /* CONFIG_SDL */ | |
81 | ||
82 | #ifdef CONFIG_COCOA | |
83 | #undef main | |
84 | #define main qemu_main | |
85 | #endif /* CONFIG_COCOA */ | |
86 | ||
87 | #include "disas.h" | |
88 | ||
89 | #include "exec-all.h" | |
90 | ||
91 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" | |
92 | ||
93 | //#define DEBUG_UNUSED_IOPORT | |
94 | //#define DEBUG_IOPORT | |
95 | ||
96 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
97 | ||
98 | #ifdef TARGET_PPC | |
99 | #define DEFAULT_RAM_SIZE 144 | |
100 | #else | |
101 | #define DEFAULT_RAM_SIZE 128 | |
102 | #endif | |
103 | /* in ms */ | |
104 | #define GUI_REFRESH_INTERVAL 30 | |
105 | ||
106 | /* Max number of USB devices that can be specified on the commandline. */ | |
107 | #define MAX_USB_CMDLINE 8 | |
108 | ||
109 | /* XXX: use a two level table to limit memory usage */ | |
110 | #define MAX_IOPORTS 65536 | |
111 | ||
112 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
113 | char phys_ram_file[1024]; | |
114 | void *ioport_opaque[MAX_IOPORTS]; | |
115 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
116 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
117 | /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available | |
118 | to store the VM snapshots */ | |
119 | BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD]; | |
120 | /* point to the block driver where the snapshots are managed */ | |
121 | BlockDriverState *bs_snapshots; | |
122 | int vga_ram_size; | |
123 | int bios_size; | |
124 | static DisplayState display_state; | |
125 | int nographic; | |
126 | const char* keyboard_layout = NULL; | |
127 | int64_t ticks_per_sec; | |
128 | int boot_device = 'c'; | |
129 | int ram_size; | |
130 | int pit_min_timer_count = 0; | |
131 | int nb_nics; | |
132 | NICInfo nd_table[MAX_NICS]; | |
133 | QEMUTimer *gui_timer; | |
134 | int vm_running; | |
135 | int rtc_utc = 1; | |
136 | int cirrus_vga_enabled = 1; | |
137 | #ifdef TARGET_SPARC | |
138 | int graphic_width = 1024; | |
139 | int graphic_height = 768; | |
140 | #else | |
141 | int graphic_width = 800; | |
142 | int graphic_height = 600; | |
143 | #endif | |
144 | int graphic_depth = 15; | |
145 | int full_screen = 0; | |
146 | int no_quit = 0; | |
147 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
148 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
149 | #ifdef TARGET_I386 | |
150 | int win2k_install_hack = 0; | |
151 | #endif | |
152 | int usb_enabled = 0; | |
153 | static VLANState *first_vlan; | |
154 | int smp_cpus = 1; | |
155 | const char *vnc_display; | |
156 | #if defined(TARGET_SPARC) | |
157 | #define MAX_CPUS 16 | |
158 | #elif defined(TARGET_I386) | |
159 | #define MAX_CPUS 255 | |
160 | #else | |
161 | #define MAX_CPUS 1 | |
162 | #endif | |
163 | int acpi_enabled = 1; | |
164 | int fd_bootchk = 1; | |
165 | int no_reboot = 0; | |
166 | ||
167 | /***********************************************************/ | |
168 | /* x86 ISA bus support */ | |
169 | ||
170 | target_phys_addr_t isa_mem_base = 0; | |
171 | PicState2 *isa_pic; | |
172 | ||
173 | uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
174 | { | |
175 | #ifdef DEBUG_UNUSED_IOPORT | |
176 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
177 | #endif | |
178 | return 0xff; | |
179 | } | |
180 | ||
181 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
182 | { | |
183 | #ifdef DEBUG_UNUSED_IOPORT | |
184 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
185 | #endif | |
186 | } | |
187 | ||
188 | /* default is to make two byte accesses */ | |
189 | uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
190 | { | |
191 | uint32_t data; | |
192 | data = ioport_read_table[0][address](ioport_opaque[address], address); | |
193 | address = (address + 1) & (MAX_IOPORTS - 1); | |
194 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
195 | return data; | |
196 | } | |
197 | ||
198 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
199 | { | |
200 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); | |
201 | address = (address + 1) & (MAX_IOPORTS - 1); | |
202 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
203 | } | |
204 | ||
205 | uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
206 | { | |
207 | #ifdef DEBUG_UNUSED_IOPORT | |
208 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
209 | #endif | |
210 | return 0xffffffff; | |
211 | } | |
212 | ||
213 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
214 | { | |
215 | #ifdef DEBUG_UNUSED_IOPORT | |
216 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
217 | #endif | |
218 | } | |
219 | ||
220 | void init_ioports(void) | |
221 | { | |
222 | int i; | |
223 | ||
224 | for(i = 0; i < MAX_IOPORTS; i++) { | |
225 | ioport_read_table[0][i] = default_ioport_readb; | |
226 | ioport_write_table[0][i] = default_ioport_writeb; | |
227 | ioport_read_table[1][i] = default_ioport_readw; | |
228 | ioport_write_table[1][i] = default_ioport_writew; | |
229 | ioport_read_table[2][i] = default_ioport_readl; | |
230 | ioport_write_table[2][i] = default_ioport_writel; | |
231 | } | |
232 | } | |
233 | ||
234 | /* size is the word size in byte */ | |
235 | int register_ioport_read(int start, int length, int size, | |
236 | IOPortReadFunc *func, void *opaque) | |
237 | { | |
238 | int i, bsize; | |
239 | ||
240 | if (size == 1) { | |
241 | bsize = 0; | |
242 | } else if (size == 2) { | |
243 | bsize = 1; | |
244 | } else if (size == 4) { | |
245 | bsize = 2; | |
246 | } else { | |
247 | hw_error("register_ioport_read: invalid size"); | |
248 | return -1; | |
249 | } | |
250 | for(i = start; i < start + length; i += size) { | |
251 | ioport_read_table[bsize][i] = func; | |
252 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
253 | hw_error("register_ioport_read: invalid opaque"); | |
254 | ioport_opaque[i] = opaque; | |
255 | } | |
256 | return 0; | |
257 | } | |
258 | ||
259 | /* size is the word size in byte */ | |
260 | int register_ioport_write(int start, int length, int size, | |
261 | IOPortWriteFunc *func, void *opaque) | |
262 | { | |
263 | int i, bsize; | |
264 | ||
265 | if (size == 1) { | |
266 | bsize = 0; | |
267 | } else if (size == 2) { | |
268 | bsize = 1; | |
269 | } else if (size == 4) { | |
270 | bsize = 2; | |
271 | } else { | |
272 | hw_error("register_ioport_write: invalid size"); | |
273 | return -1; | |
274 | } | |
275 | for(i = start; i < start + length; i += size) { | |
276 | ioport_write_table[bsize][i] = func; | |
277 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
278 | hw_error("register_ioport_read: invalid opaque"); | |
279 | ioport_opaque[i] = opaque; | |
280 | } | |
281 | return 0; | |
282 | } | |
283 | ||
284 | void isa_unassign_ioport(int start, int length) | |
285 | { | |
286 | int i; | |
287 | ||
288 | for(i = start; i < start + length; i++) { | |
289 | ioport_read_table[0][i] = default_ioport_readb; | |
290 | ioport_read_table[1][i] = default_ioport_readw; | |
291 | ioport_read_table[2][i] = default_ioport_readl; | |
292 | ||
293 | ioport_write_table[0][i] = default_ioport_writeb; | |
294 | ioport_write_table[1][i] = default_ioport_writew; | |
295 | ioport_write_table[2][i] = default_ioport_writel; | |
296 | } | |
297 | } | |
298 | ||
299 | /***********************************************************/ | |
300 | ||
301 | void pstrcpy(char *buf, int buf_size, const char *str) | |
302 | { | |
303 | int c; | |
304 | char *q = buf; | |
305 | ||
306 | if (buf_size <= 0) | |
307 | return; | |
308 | ||
309 | for(;;) { | |
310 | c = *str++; | |
311 | if (c == 0 || q >= buf + buf_size - 1) | |
312 | break; | |
313 | *q++ = c; | |
314 | } | |
315 | *q = '\0'; | |
316 | } | |
317 | ||
318 | /* strcat and truncate. */ | |
319 | char *pstrcat(char *buf, int buf_size, const char *s) | |
320 | { | |
321 | int len; | |
322 | len = strlen(buf); | |
323 | if (len < buf_size) | |
324 | pstrcpy(buf + len, buf_size - len, s); | |
325 | return buf; | |
326 | } | |
327 | ||
328 | int strstart(const char *str, const char *val, const char **ptr) | |
329 | { | |
330 | const char *p, *q; | |
331 | p = str; | |
332 | q = val; | |
333 | while (*q != '\0') { | |
334 | if (*p != *q) | |
335 | return 0; | |
336 | p++; | |
337 | q++; | |
338 | } | |
339 | if (ptr) | |
340 | *ptr = p; | |
341 | return 1; | |
342 | } | |
343 | ||
344 | void cpu_outb(CPUState *env, int addr, int val) | |
345 | { | |
346 | #ifdef DEBUG_IOPORT | |
347 | if (loglevel & CPU_LOG_IOPORT) | |
348 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
349 | #endif | |
350 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
351 | #ifdef USE_KQEMU | |
352 | if (env) | |
353 | env->last_io_time = cpu_get_time_fast(); | |
354 | #endif | |
355 | } | |
356 | ||
357 | void cpu_outw(CPUState *env, int addr, int val) | |
358 | { | |
359 | #ifdef DEBUG_IOPORT | |
360 | if (loglevel & CPU_LOG_IOPORT) | |
361 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
362 | #endif | |
363 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
364 | #ifdef USE_KQEMU | |
365 | if (env) | |
366 | env->last_io_time = cpu_get_time_fast(); | |
367 | #endif | |
368 | } | |
369 | ||
370 | void cpu_outl(CPUState *env, int addr, int val) | |
371 | { | |
372 | #ifdef DEBUG_IOPORT | |
373 | if (loglevel & CPU_LOG_IOPORT) | |
374 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
375 | #endif | |
376 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
377 | #ifdef USE_KQEMU | |
378 | if (env) | |
379 | env->last_io_time = cpu_get_time_fast(); | |
380 | #endif | |
381 | } | |
382 | ||
383 | int cpu_inb(CPUState *env, int addr) | |
384 | { | |
385 | int val; | |
386 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
387 | #ifdef DEBUG_IOPORT | |
388 | if (loglevel & CPU_LOG_IOPORT) | |
389 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
390 | #endif | |
391 | #ifdef USE_KQEMU | |
392 | if (env) | |
393 | env->last_io_time = cpu_get_time_fast(); | |
394 | #endif | |
395 | return val; | |
396 | } | |
397 | ||
398 | int cpu_inw(CPUState *env, int addr) | |
399 | { | |
400 | int val; | |
401 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
402 | #ifdef DEBUG_IOPORT | |
403 | if (loglevel & CPU_LOG_IOPORT) | |
404 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
405 | #endif | |
406 | #ifdef USE_KQEMU | |
407 | if (env) | |
408 | env->last_io_time = cpu_get_time_fast(); | |
409 | #endif | |
410 | return val; | |
411 | } | |
412 | ||
413 | int cpu_inl(CPUState *env, int addr) | |
414 | { | |
415 | int val; | |
416 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
417 | #ifdef DEBUG_IOPORT | |
418 | if (loglevel & CPU_LOG_IOPORT) | |
419 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
420 | #endif | |
421 | #ifdef USE_KQEMU | |
422 | if (env) | |
423 | env->last_io_time = cpu_get_time_fast(); | |
424 | #endif | |
425 | return val; | |
426 | } | |
427 | ||
428 | /***********************************************************/ | |
429 | void hw_error(const char *fmt, ...) | |
430 | { | |
431 | va_list ap; | |
432 | CPUState *env; | |
433 | ||
434 | va_start(ap, fmt); | |
435 | fprintf(stderr, "qemu: hardware error: "); | |
436 | vfprintf(stderr, fmt, ap); | |
437 | fprintf(stderr, "\n"); | |
438 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
439 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
440 | #ifdef TARGET_I386 | |
441 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
442 | #else | |
443 | cpu_dump_state(env, stderr, fprintf, 0); | |
444 | #endif | |
445 | } | |
446 | va_end(ap); | |
447 | abort(); | |
448 | } | |
449 | ||
450 | /***********************************************************/ | |
451 | /* keyboard/mouse */ | |
452 | ||
453 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
454 | static void *qemu_put_kbd_event_opaque; | |
455 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
456 | static void *qemu_put_mouse_event_opaque; | |
457 | static int qemu_put_mouse_event_absolute; | |
458 | ||
459 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
460 | { | |
461 | qemu_put_kbd_event_opaque = opaque; | |
462 | qemu_put_kbd_event = func; | |
463 | } | |
464 | ||
465 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) | |
466 | { | |
467 | qemu_put_mouse_event_opaque = opaque; | |
468 | qemu_put_mouse_event = func; | |
469 | qemu_put_mouse_event_absolute = absolute; | |
470 | } | |
471 | ||
472 | void kbd_put_keycode(int keycode) | |
473 | { | |
474 | if (qemu_put_kbd_event) { | |
475 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
476 | } | |
477 | } | |
478 | ||
479 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
480 | { | |
481 | if (qemu_put_mouse_event) { | |
482 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
483 | dx, dy, dz, buttons_state); | |
484 | } | |
485 | } | |
486 | ||
487 | int kbd_mouse_is_absolute(void) | |
488 | { | |
489 | return qemu_put_mouse_event_absolute; | |
490 | } | |
491 | ||
492 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
493 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
494 | { | |
495 | union { | |
496 | uint64_t ll; | |
497 | struct { | |
498 | #ifdef WORDS_BIGENDIAN | |
499 | uint32_t high, low; | |
500 | #else | |
501 | uint32_t low, high; | |
502 | #endif | |
503 | } l; | |
504 | } u, res; | |
505 | uint64_t rl, rh; | |
506 | ||
507 | u.ll = a; | |
508 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
509 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
510 | rh += (rl >> 32); | |
511 | res.l.high = rh / c; | |
512 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
513 | return res.ll; | |
514 | } | |
515 | ||
516 | /***********************************************************/ | |
517 | /* real time host monotonic timer */ | |
518 | ||
519 | #define QEMU_TIMER_BASE 1000000000LL | |
520 | ||
521 | #ifdef WIN32 | |
522 | ||
523 | static int64_t clock_freq; | |
524 | ||
525 | static void init_get_clock(void) | |
526 | { | |
527 | LARGE_INTEGER freq; | |
528 | int ret; | |
529 | ret = QueryPerformanceFrequency(&freq); | |
530 | if (ret == 0) { | |
531 | fprintf(stderr, "Could not calibrate ticks\n"); | |
532 | exit(1); | |
533 | } | |
534 | clock_freq = freq.QuadPart; | |
535 | } | |
536 | ||
537 | static int64_t get_clock(void) | |
538 | { | |
539 | LARGE_INTEGER ti; | |
540 | QueryPerformanceCounter(&ti); | |
541 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
542 | } | |
543 | ||
544 | #else | |
545 | ||
546 | static int use_rt_clock; | |
547 | ||
548 | static void init_get_clock(void) | |
549 | { | |
550 | use_rt_clock = 0; | |
551 | #if defined(__linux__) | |
552 | { | |
553 | struct timespec ts; | |
554 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
555 | use_rt_clock = 1; | |
556 | } | |
557 | } | |
558 | #endif | |
559 | } | |
560 | ||
561 | static int64_t get_clock(void) | |
562 | { | |
563 | #if defined(__linux__) | |
564 | if (use_rt_clock) { | |
565 | struct timespec ts; | |
566 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
567 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
568 | } else | |
569 | #endif | |
570 | { | |
571 | /* XXX: using gettimeofday leads to problems if the date | |
572 | changes, so it should be avoided. */ | |
573 | struct timeval tv; | |
574 | gettimeofday(&tv, NULL); | |
575 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
576 | } | |
577 | } | |
578 | ||
579 | #endif | |
580 | ||
581 | /***********************************************************/ | |
582 | /* guest cycle counter */ | |
583 | ||
584 | static int64_t cpu_ticks_prev; | |
585 | static int64_t cpu_ticks_offset; | |
586 | static int64_t cpu_clock_offset; | |
587 | static int cpu_ticks_enabled; | |
588 | ||
589 | /* return the host CPU cycle counter and handle stop/restart */ | |
590 | int64_t cpu_get_ticks(void) | |
591 | { | |
592 | if (!cpu_ticks_enabled) { | |
593 | return cpu_ticks_offset; | |
594 | } else { | |
595 | int64_t ticks; | |
596 | ticks = cpu_get_real_ticks(); | |
597 | if (cpu_ticks_prev > ticks) { | |
598 | /* Note: non increasing ticks may happen if the host uses | |
599 | software suspend */ | |
600 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
601 | } | |
602 | cpu_ticks_prev = ticks; | |
603 | return ticks + cpu_ticks_offset; | |
604 | } | |
605 | } | |
606 | ||
607 | /* return the host CPU monotonic timer and handle stop/restart */ | |
608 | static int64_t cpu_get_clock(void) | |
609 | { | |
610 | int64_t ti; | |
611 | if (!cpu_ticks_enabled) { | |
612 | return cpu_clock_offset; | |
613 | } else { | |
614 | ti = get_clock(); | |
615 | return ti + cpu_clock_offset; | |
616 | } | |
617 | } | |
618 | ||
619 | /* enable cpu_get_ticks() */ | |
620 | void cpu_enable_ticks(void) | |
621 | { | |
622 | if (!cpu_ticks_enabled) { | |
623 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
624 | cpu_clock_offset -= get_clock(); | |
625 | cpu_ticks_enabled = 1; | |
626 | } | |
627 | } | |
628 | ||
629 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
630 | cpu_get_ticks() after that. */ | |
631 | void cpu_disable_ticks(void) | |
632 | { | |
633 | if (cpu_ticks_enabled) { | |
634 | cpu_ticks_offset = cpu_get_ticks(); | |
635 | cpu_clock_offset = cpu_get_clock(); | |
636 | cpu_ticks_enabled = 0; | |
637 | } | |
638 | } | |
639 | ||
640 | /***********************************************************/ | |
641 | /* timers */ | |
642 | ||
643 | #define QEMU_TIMER_REALTIME 0 | |
644 | #define QEMU_TIMER_VIRTUAL 1 | |
645 | ||
646 | struct QEMUClock { | |
647 | int type; | |
648 | /* XXX: add frequency */ | |
649 | }; | |
650 | ||
651 | struct QEMUTimer { | |
652 | QEMUClock *clock; | |
653 | int64_t expire_time; | |
654 | QEMUTimerCB *cb; | |
655 | void *opaque; | |
656 | struct QEMUTimer *next; | |
657 | }; | |
658 | ||
659 | QEMUClock *rt_clock; | |
660 | QEMUClock *vm_clock; | |
661 | ||
662 | static QEMUTimer *active_timers[2]; | |
663 | #ifdef _WIN32 | |
664 | static MMRESULT timerID; | |
665 | static HANDLE host_alarm = NULL; | |
666 | static unsigned int period = 1; | |
667 | #else | |
668 | /* frequency of the times() clock tick */ | |
669 | static int timer_freq; | |
670 | #endif | |
671 | ||
672 | QEMUClock *qemu_new_clock(int type) | |
673 | { | |
674 | QEMUClock *clock; | |
675 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
676 | if (!clock) | |
677 | return NULL; | |
678 | clock->type = type; | |
679 | return clock; | |
680 | } | |
681 | ||
682 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
683 | { | |
684 | QEMUTimer *ts; | |
685 | ||
686 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
687 | ts->clock = clock; | |
688 | ts->cb = cb; | |
689 | ts->opaque = opaque; | |
690 | return ts; | |
691 | } | |
692 | ||
693 | void qemu_free_timer(QEMUTimer *ts) | |
694 | { | |
695 | qemu_free(ts); | |
696 | } | |
697 | ||
698 | /* stop a timer, but do not dealloc it */ | |
699 | void qemu_del_timer(QEMUTimer *ts) | |
700 | { | |
701 | QEMUTimer **pt, *t; | |
702 | ||
703 | /* NOTE: this code must be signal safe because | |
704 | qemu_timer_expired() can be called from a signal. */ | |
705 | pt = &active_timers[ts->clock->type]; | |
706 | for(;;) { | |
707 | t = *pt; | |
708 | if (!t) | |
709 | break; | |
710 | if (t == ts) { | |
711 | *pt = t->next; | |
712 | break; | |
713 | } | |
714 | pt = &t->next; | |
715 | } | |
716 | } | |
717 | ||
718 | /* modify the current timer so that it will be fired when current_time | |
719 | >= expire_time. The corresponding callback will be called. */ | |
720 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
721 | { | |
722 | QEMUTimer **pt, *t; | |
723 | ||
724 | qemu_del_timer(ts); | |
725 | ||
726 | /* add the timer in the sorted list */ | |
727 | /* NOTE: this code must be signal safe because | |
728 | qemu_timer_expired() can be called from a signal. */ | |
729 | pt = &active_timers[ts->clock->type]; | |
730 | for(;;) { | |
731 | t = *pt; | |
732 | if (!t) | |
733 | break; | |
734 | if (t->expire_time > expire_time) | |
735 | break; | |
736 | pt = &t->next; | |
737 | } | |
738 | ts->expire_time = expire_time; | |
739 | ts->next = *pt; | |
740 | *pt = ts; | |
741 | } | |
742 | ||
743 | int qemu_timer_pending(QEMUTimer *ts) | |
744 | { | |
745 | QEMUTimer *t; | |
746 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
747 | if (t == ts) | |
748 | return 1; | |
749 | } | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
754 | { | |
755 | if (!timer_head) | |
756 | return 0; | |
757 | return (timer_head->expire_time <= current_time); | |
758 | } | |
759 | ||
760 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
761 | { | |
762 | QEMUTimer *ts; | |
763 | ||
764 | for(;;) { | |
765 | ts = *ptimer_head; | |
766 | if (!ts || ts->expire_time > current_time) | |
767 | break; | |
768 | /* remove timer from the list before calling the callback */ | |
769 | *ptimer_head = ts->next; | |
770 | ts->next = NULL; | |
771 | ||
772 | /* run the callback (the timer list can be modified) */ | |
773 | ts->cb(ts->opaque); | |
774 | } | |
775 | } | |
776 | ||
777 | int64_t qemu_get_clock(QEMUClock *clock) | |
778 | { | |
779 | switch(clock->type) { | |
780 | case QEMU_TIMER_REALTIME: | |
781 | return get_clock() / 1000000; | |
782 | default: | |
783 | case QEMU_TIMER_VIRTUAL: | |
784 | return cpu_get_clock(); | |
785 | } | |
786 | } | |
787 | ||
788 | static void init_timers(void) | |
789 | { | |
790 | init_get_clock(); | |
791 | ticks_per_sec = QEMU_TIMER_BASE; | |
792 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
793 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
794 | } | |
795 | ||
796 | /* save a timer */ | |
797 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
798 | { | |
799 | uint64_t expire_time; | |
800 | ||
801 | if (qemu_timer_pending(ts)) { | |
802 | expire_time = ts->expire_time; | |
803 | } else { | |
804 | expire_time = -1; | |
805 | } | |
806 | qemu_put_be64(f, expire_time); | |
807 | } | |
808 | ||
809 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
810 | { | |
811 | uint64_t expire_time; | |
812 | ||
813 | expire_time = qemu_get_be64(f); | |
814 | if (expire_time != -1) { | |
815 | qemu_mod_timer(ts, expire_time); | |
816 | } else { | |
817 | qemu_del_timer(ts); | |
818 | } | |
819 | } | |
820 | ||
821 | static void timer_save(QEMUFile *f, void *opaque) | |
822 | { | |
823 | if (cpu_ticks_enabled) { | |
824 | hw_error("cannot save state if virtual timers are running"); | |
825 | } | |
826 | qemu_put_be64s(f, &cpu_ticks_offset); | |
827 | qemu_put_be64s(f, &ticks_per_sec); | |
828 | qemu_put_be64s(f, &cpu_clock_offset); | |
829 | } | |
830 | ||
831 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
832 | { | |
833 | if (version_id != 1 && version_id != 2) | |
834 | return -EINVAL; | |
835 | if (cpu_ticks_enabled) { | |
836 | return -EINVAL; | |
837 | } | |
838 | qemu_get_be64s(f, &cpu_ticks_offset); | |
839 | qemu_get_be64s(f, &ticks_per_sec); | |
840 | if (version_id == 2) { | |
841 | qemu_get_be64s(f, &cpu_clock_offset); | |
842 | } | |
843 | return 0; | |
844 | } | |
845 | ||
846 | #ifdef _WIN32 | |
847 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
848 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
849 | #else | |
850 | static void host_alarm_handler(int host_signum) | |
851 | #endif | |
852 | { | |
853 | #if 0 | |
854 | #define DISP_FREQ 1000 | |
855 | { | |
856 | static int64_t delta_min = INT64_MAX; | |
857 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
858 | static int count; | |
859 | ti = qemu_get_clock(vm_clock); | |
860 | if (last_clock != 0) { | |
861 | delta = ti - last_clock; | |
862 | if (delta < delta_min) | |
863 | delta_min = delta; | |
864 | if (delta > delta_max) | |
865 | delta_max = delta; | |
866 | delta_cum += delta; | |
867 | if (++count == DISP_FREQ) { | |
868 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
869 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
870 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
871 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
872 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
873 | count = 0; | |
874 | delta_min = INT64_MAX; | |
875 | delta_max = 0; | |
876 | delta_cum = 0; | |
877 | } | |
878 | } | |
879 | last_clock = ti; | |
880 | } | |
881 | #endif | |
882 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
883 | qemu_get_clock(vm_clock)) || | |
884 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
885 | qemu_get_clock(rt_clock))) { | |
886 | #ifdef _WIN32 | |
887 | SetEvent(host_alarm); | |
888 | #endif | |
889 | CPUState *env = cpu_single_env; | |
890 | if (env) { | |
891 | /* stop the currently executing cpu because a timer occured */ | |
892 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
893 | #ifdef USE_KQEMU | |
894 | if (env->kqemu_enabled) { | |
895 | kqemu_cpu_interrupt(env); | |
896 | } | |
897 | #endif | |
898 | } | |
899 | } | |
900 | } | |
901 | ||
902 | #ifndef _WIN32 | |
903 | ||
904 | #if defined(__linux__) | |
905 | ||
906 | #define RTC_FREQ 1024 | |
907 | ||
908 | static int rtc_fd; | |
909 | ||
910 | static int start_rtc_timer(void) | |
911 | { | |
912 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
913 | if (rtc_fd < 0) | |
914 | return -1; | |
915 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
916 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
917 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
918 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
919 | goto fail; | |
920 | } | |
921 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
922 | fail: | |
923 | close(rtc_fd); | |
924 | return -1; | |
925 | } | |
926 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
927 | return 0; | |
928 | } | |
929 | ||
930 | #else | |
931 | ||
932 | static int start_rtc_timer(void) | |
933 | { | |
934 | return -1; | |
935 | } | |
936 | ||
937 | #endif /* !defined(__linux__) */ | |
938 | ||
939 | #endif /* !defined(_WIN32) */ | |
940 | ||
941 | static void init_timer_alarm(void) | |
942 | { | |
943 | #ifdef _WIN32 | |
944 | { | |
945 | int count=0; | |
946 | TIMECAPS tc; | |
947 | ||
948 | ZeroMemory(&tc, sizeof(TIMECAPS)); | |
949 | timeGetDevCaps(&tc, sizeof(TIMECAPS)); | |
950 | if (period < tc.wPeriodMin) | |
951 | period = tc.wPeriodMin; | |
952 | timeBeginPeriod(period); | |
953 | timerID = timeSetEvent(1, // interval (ms) | |
954 | period, // resolution | |
955 | host_alarm_handler, // function | |
956 | (DWORD)&count, // user parameter | |
957 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
958 | if( !timerID ) { | |
959 | perror("failed timer alarm"); | |
960 | exit(1); | |
961 | } | |
962 | host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); | |
963 | if (!host_alarm) { | |
964 | perror("failed CreateEvent"); | |
965 | exit(1); | |
966 | } | |
967 | qemu_add_wait_object(host_alarm, NULL, NULL); | |
968 | } | |
969 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
970 | #else | |
971 | { | |
972 | struct sigaction act; | |
973 | struct itimerval itv; | |
974 | ||
975 | /* get times() syscall frequency */ | |
976 | timer_freq = sysconf(_SC_CLK_TCK); | |
977 | ||
978 | /* timer signal */ | |
979 | sigfillset(&act.sa_mask); | |
980 | act.sa_flags = 0; | |
981 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
982 | act.sa_flags |= SA_ONSTACK; | |
983 | #endif | |
984 | act.sa_handler = host_alarm_handler; | |
985 | sigaction(SIGALRM, &act, NULL); | |
986 | ||
987 | itv.it_interval.tv_sec = 0; | |
988 | itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ | |
989 | itv.it_value.tv_sec = 0; | |
990 | itv.it_value.tv_usec = 10 * 1000; | |
991 | setitimer(ITIMER_REAL, &itv, NULL); | |
992 | /* we probe the tick duration of the kernel to inform the user if | |
993 | the emulated kernel requested a too high timer frequency */ | |
994 | getitimer(ITIMER_REAL, &itv); | |
995 | ||
996 | #if defined(__linux__) | |
997 | /* XXX: force /dev/rtc usage because even 2.6 kernels may not | |
998 | have timers with 1 ms resolution. The correct solution will | |
999 | be to use the POSIX real time timers available in recent | |
1000 | 2.6 kernels */ | |
1001 | if (itv.it_interval.tv_usec > 1000 || 1) { | |
1002 | /* try to use /dev/rtc to have a faster timer */ | |
1003 | if (start_rtc_timer() < 0) | |
1004 | goto use_itimer; | |
1005 | /* disable itimer */ | |
1006 | itv.it_interval.tv_sec = 0; | |
1007 | itv.it_interval.tv_usec = 0; | |
1008 | itv.it_value.tv_sec = 0; | |
1009 | itv.it_value.tv_usec = 0; | |
1010 | setitimer(ITIMER_REAL, &itv, NULL); | |
1011 | ||
1012 | /* use the RTC */ | |
1013 | sigaction(SIGIO, &act, NULL); | |
1014 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
1015 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
1016 | } else | |
1017 | #endif /* defined(__linux__) */ | |
1018 | { | |
1019 | use_itimer: | |
1020 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
1021 | PIT_FREQ) / 1000000; | |
1022 | } | |
1023 | } | |
1024 | #endif | |
1025 | } | |
1026 | ||
1027 | void quit_timers(void) | |
1028 | { | |
1029 | #ifdef _WIN32 | |
1030 | timeKillEvent(timerID); | |
1031 | timeEndPeriod(period); | |
1032 | if (host_alarm) { | |
1033 | CloseHandle(host_alarm); | |
1034 | host_alarm = NULL; | |
1035 | } | |
1036 | #endif | |
1037 | } | |
1038 | ||
1039 | /***********************************************************/ | |
1040 | /* character device */ | |
1041 | ||
1042 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
1043 | { | |
1044 | return s->chr_write(s, buf, len); | |
1045 | } | |
1046 | ||
1047 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
1048 | { | |
1049 | if (!s->chr_ioctl) | |
1050 | return -ENOTSUP; | |
1051 | return s->chr_ioctl(s, cmd, arg); | |
1052 | } | |
1053 | ||
1054 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
1055 | { | |
1056 | char buf[4096]; | |
1057 | va_list ap; | |
1058 | va_start(ap, fmt); | |
1059 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
1060 | qemu_chr_write(s, buf, strlen(buf)); | |
1061 | va_end(ap); | |
1062 | } | |
1063 | ||
1064 | void qemu_chr_send_event(CharDriverState *s, int event) | |
1065 | { | |
1066 | if (s->chr_send_event) | |
1067 | s->chr_send_event(s, event); | |
1068 | } | |
1069 | ||
1070 | void qemu_chr_add_read_handler(CharDriverState *s, | |
1071 | IOCanRWHandler *fd_can_read, | |
1072 | IOReadHandler *fd_read, void *opaque) | |
1073 | { | |
1074 | s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); | |
1075 | } | |
1076 | ||
1077 | void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event) | |
1078 | { | |
1079 | s->chr_event = chr_event; | |
1080 | } | |
1081 | ||
1082 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1083 | { | |
1084 | return len; | |
1085 | } | |
1086 | ||
1087 | static void null_chr_add_read_handler(CharDriverState *chr, | |
1088 | IOCanRWHandler *fd_can_read, | |
1089 | IOReadHandler *fd_read, void *opaque) | |
1090 | { | |
1091 | } | |
1092 | ||
1093 | CharDriverState *qemu_chr_open_null(void) | |
1094 | { | |
1095 | CharDriverState *chr; | |
1096 | ||
1097 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1098 | if (!chr) | |
1099 | return NULL; | |
1100 | chr->chr_write = null_chr_write; | |
1101 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1102 | return chr; | |
1103 | } | |
1104 | ||
1105 | #ifdef _WIN32 | |
1106 | ||
1107 | static void socket_cleanup(void) | |
1108 | { | |
1109 | WSACleanup(); | |
1110 | } | |
1111 | ||
1112 | static int socket_init(void) | |
1113 | { | |
1114 | WSADATA Data; | |
1115 | int ret, err; | |
1116 | ||
1117 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1118 | if (ret != 0) { | |
1119 | err = WSAGetLastError(); | |
1120 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1121 | return -1; | |
1122 | } | |
1123 | atexit(socket_cleanup); | |
1124 | return 0; | |
1125 | } | |
1126 | ||
1127 | static int send_all(int fd, const uint8_t *buf, int len1) | |
1128 | { | |
1129 | int ret, len; | |
1130 | ||
1131 | len = len1; | |
1132 | while (len > 0) { | |
1133 | ret = send(fd, buf, len, 0); | |
1134 | if (ret < 0) { | |
1135 | int errno; | |
1136 | errno = WSAGetLastError(); | |
1137 | if (errno != WSAEWOULDBLOCK) { | |
1138 | return -1; | |
1139 | } | |
1140 | } else if (ret == 0) { | |
1141 | break; | |
1142 | } else { | |
1143 | buf += ret; | |
1144 | len -= ret; | |
1145 | } | |
1146 | } | |
1147 | return len1 - len; | |
1148 | } | |
1149 | ||
1150 | void socket_set_nonblock(int fd) | |
1151 | { | |
1152 | unsigned long opt = 1; | |
1153 | ioctlsocket(fd, FIONBIO, &opt); | |
1154 | } | |
1155 | ||
1156 | #else | |
1157 | ||
1158 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
1159 | { | |
1160 | int ret, len; | |
1161 | ||
1162 | len = len1; | |
1163 | while (len > 0) { | |
1164 | ret = write(fd, buf, len); | |
1165 | if (ret < 0) { | |
1166 | if (errno != EINTR && errno != EAGAIN) | |
1167 | return -1; | |
1168 | } else if (ret == 0) { | |
1169 | break; | |
1170 | } else { | |
1171 | buf += ret; | |
1172 | len -= ret; | |
1173 | } | |
1174 | } | |
1175 | return len1 - len; | |
1176 | } | |
1177 | ||
1178 | static inline int send_all(int fd, const uint8_t *buf, int len1) | |
1179 | { | |
1180 | return unix_write(fd, buf, len1); | |
1181 | } | |
1182 | ||
1183 | void socket_set_nonblock(int fd) | |
1184 | { | |
1185 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1186 | } | |
1187 | #endif /* !_WIN32 */ | |
1188 | ||
1189 | #ifndef _WIN32 | |
1190 | ||
1191 | typedef struct { | |
1192 | int fd_in, fd_out; | |
1193 | IOCanRWHandler *fd_can_read; | |
1194 | IOReadHandler *fd_read; | |
1195 | void *fd_opaque; | |
1196 | int max_size; | |
1197 | } FDCharDriver; | |
1198 | ||
1199 | #define STDIO_MAX_CLIENTS 2 | |
1200 | ||
1201 | static int stdio_nb_clients; | |
1202 | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS]; | |
1203 | ||
1204 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1205 | { | |
1206 | FDCharDriver *s = chr->opaque; | |
1207 | return unix_write(s->fd_out, buf, len); | |
1208 | } | |
1209 | ||
1210 | static int fd_chr_read_poll(void *opaque) | |
1211 | { | |
1212 | CharDriverState *chr = opaque; | |
1213 | FDCharDriver *s = chr->opaque; | |
1214 | ||
1215 | s->max_size = s->fd_can_read(s->fd_opaque); | |
1216 | return s->max_size; | |
1217 | } | |
1218 | ||
1219 | static void fd_chr_read(void *opaque) | |
1220 | { | |
1221 | CharDriverState *chr = opaque; | |
1222 | FDCharDriver *s = chr->opaque; | |
1223 | int size, len; | |
1224 | uint8_t buf[1024]; | |
1225 | ||
1226 | len = sizeof(buf); | |
1227 | if (len > s->max_size) | |
1228 | len = s->max_size; | |
1229 | if (len == 0) | |
1230 | return; | |
1231 | size = read(s->fd_in, buf, len); | |
1232 | if (size == 0) { | |
1233 | /* FD has been closed. Remove it from the active list. */ | |
1234 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
1235 | return; | |
1236 | } | |
1237 | if (size > 0) { | |
1238 | s->fd_read(s->fd_opaque, buf, size); | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | static void fd_chr_add_read_handler(CharDriverState *chr, | |
1243 | IOCanRWHandler *fd_can_read, | |
1244 | IOReadHandler *fd_read, void *opaque) | |
1245 | { | |
1246 | FDCharDriver *s = chr->opaque; | |
1247 | ||
1248 | if (s->fd_in >= 0) { | |
1249 | s->fd_can_read = fd_can_read; | |
1250 | s->fd_read = fd_read; | |
1251 | s->fd_opaque = opaque; | |
1252 | if (nographic && s->fd_in == 0) { | |
1253 | } else { | |
1254 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
1255 | fd_chr_read, NULL, chr); | |
1256 | } | |
1257 | } | |
1258 | } | |
1259 | ||
1260 | /* open a character device to a unix fd */ | |
1261 | CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1262 | { | |
1263 | CharDriverState *chr; | |
1264 | FDCharDriver *s; | |
1265 | ||
1266 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1267 | if (!chr) | |
1268 | return NULL; | |
1269 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1270 | if (!s) { | |
1271 | free(chr); | |
1272 | return NULL; | |
1273 | } | |
1274 | s->fd_in = fd_in; | |
1275 | s->fd_out = fd_out; | |
1276 | chr->opaque = s; | |
1277 | chr->chr_write = fd_chr_write; | |
1278 | chr->chr_add_read_handler = fd_chr_add_read_handler; | |
1279 | return chr; | |
1280 | } | |
1281 | ||
1282 | CharDriverState *qemu_chr_open_file_out(const char *file_out) | |
1283 | { | |
1284 | int fd_out; | |
1285 | ||
1286 | fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666); | |
1287 | if (fd_out < 0) | |
1288 | return NULL; | |
1289 | return qemu_chr_open_fd(-1, fd_out); | |
1290 | } | |
1291 | ||
1292 | CharDriverState *qemu_chr_open_pipe(const char *filename) | |
1293 | { | |
1294 | int fd; | |
1295 | ||
1296 | fd = open(filename, O_RDWR | O_BINARY); | |
1297 | if (fd < 0) | |
1298 | return NULL; | |
1299 | return qemu_chr_open_fd(fd, fd); | |
1300 | } | |
1301 | ||
1302 | ||
1303 | /* for STDIO, we handle the case where several clients use it | |
1304 | (nographic mode) */ | |
1305 | ||
1306 | #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ | |
1307 | ||
1308 | #define TERM_FIFO_MAX_SIZE 1 | |
1309 | ||
1310 | static int term_got_escape, client_index; | |
1311 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
1312 | static int term_fifo_size; | |
1313 | static int term_timestamps; | |
1314 | static int64_t term_timestamps_start; | |
1315 | ||
1316 | void term_print_help(void) | |
1317 | { | |
1318 | printf("\n" | |
1319 | "C-a h print this help\n" | |
1320 | "C-a x exit emulator\n" | |
1321 | "C-a s save disk data back to file (if -snapshot)\n" | |
1322 | "C-a b send break (magic sysrq)\n" | |
1323 | "C-a t toggle console timestamps\n" | |
1324 | "C-a c switch between console and monitor\n" | |
1325 | "C-a C-a send C-a\n" | |
1326 | ); | |
1327 | } | |
1328 | ||
1329 | /* called when a char is received */ | |
1330 | static void stdio_received_byte(int ch) | |
1331 | { | |
1332 | if (term_got_escape) { | |
1333 | term_got_escape = 0; | |
1334 | switch(ch) { | |
1335 | case 'h': | |
1336 | term_print_help(); | |
1337 | break; | |
1338 | case 'x': | |
1339 | exit(0); | |
1340 | break; | |
1341 | case 's': | |
1342 | { | |
1343 | int i; | |
1344 | for (i = 0; i < MAX_DISKS; i++) { | |
1345 | if (bs_table[i]) | |
1346 | bdrv_commit(bs_table[i]); | |
1347 | } | |
1348 | } | |
1349 | break; | |
1350 | case 'b': | |
1351 | if (client_index < stdio_nb_clients) { | |
1352 | CharDriverState *chr; | |
1353 | FDCharDriver *s; | |
1354 | ||
1355 | chr = stdio_clients[client_index]; | |
1356 | s = chr->opaque; | |
1357 | chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); | |
1358 | } | |
1359 | break; | |
1360 | case 'c': | |
1361 | client_index++; | |
1362 | if (client_index >= stdio_nb_clients) | |
1363 | client_index = 0; | |
1364 | if (client_index == 0) { | |
1365 | /* send a new line in the monitor to get the prompt */ | |
1366 | ch = '\r'; | |
1367 | goto send_char; | |
1368 | } | |
1369 | break; | |
1370 | case 't': | |
1371 | term_timestamps = !term_timestamps; | |
1372 | term_timestamps_start = -1; | |
1373 | break; | |
1374 | case TERM_ESCAPE: | |
1375 | goto send_char; | |
1376 | } | |
1377 | } else if (ch == TERM_ESCAPE) { | |
1378 | term_got_escape = 1; | |
1379 | } else { | |
1380 | send_char: | |
1381 | if (client_index < stdio_nb_clients) { | |
1382 | uint8_t buf[1]; | |
1383 | CharDriverState *chr; | |
1384 | FDCharDriver *s; | |
1385 | ||
1386 | chr = stdio_clients[client_index]; | |
1387 | s = chr->opaque; | |
1388 | if (s->fd_can_read(s->fd_opaque) > 0) { | |
1389 | buf[0] = ch; | |
1390 | s->fd_read(s->fd_opaque, buf, 1); | |
1391 | } else if (term_fifo_size == 0) { | |
1392 | term_fifo[term_fifo_size++] = ch; | |
1393 | } | |
1394 | } | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | static int stdio_read_poll(void *opaque) | |
1399 | { | |
1400 | CharDriverState *chr; | |
1401 | FDCharDriver *s; | |
1402 | ||
1403 | if (client_index < stdio_nb_clients) { | |
1404 | chr = stdio_clients[client_index]; | |
1405 | s = chr->opaque; | |
1406 | /* try to flush the queue if needed */ | |
1407 | if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) { | |
1408 | s->fd_read(s->fd_opaque, term_fifo, 1); | |
1409 | term_fifo_size = 0; | |
1410 | } | |
1411 | /* see if we can absorb more chars */ | |
1412 | if (term_fifo_size == 0) | |
1413 | return 1; | |
1414 | else | |
1415 | return 0; | |
1416 | } else { | |
1417 | return 1; | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | static void stdio_read(void *opaque) | |
1422 | { | |
1423 | int size; | |
1424 | uint8_t buf[1]; | |
1425 | ||
1426 | size = read(0, buf, 1); | |
1427 | if (size == 0) { | |
1428 | /* stdin has been closed. Remove it from the active list. */ | |
1429 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
1430 | return; | |
1431 | } | |
1432 | if (size > 0) | |
1433 | stdio_received_byte(buf[0]); | |
1434 | } | |
1435 | ||
1436 | static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1437 | { | |
1438 | FDCharDriver *s = chr->opaque; | |
1439 | if (!term_timestamps) { | |
1440 | return unix_write(s->fd_out, buf, len); | |
1441 | } else { | |
1442 | int i; | |
1443 | char buf1[64]; | |
1444 | ||
1445 | for(i = 0; i < len; i++) { | |
1446 | unix_write(s->fd_out, buf + i, 1); | |
1447 | if (buf[i] == '\n') { | |
1448 | int64_t ti; | |
1449 | int secs; | |
1450 | ||
1451 | ti = get_clock(); | |
1452 | if (term_timestamps_start == -1) | |
1453 | term_timestamps_start = ti; | |
1454 | ti -= term_timestamps_start; | |
1455 | secs = ti / 1000000000; | |
1456 | snprintf(buf1, sizeof(buf1), | |
1457 | "[%02d:%02d:%02d.%03d] ", | |
1458 | secs / 3600, | |
1459 | (secs / 60) % 60, | |
1460 | secs % 60, | |
1461 | (int)((ti / 1000000) % 1000)); | |
1462 | unix_write(s->fd_out, buf1, strlen(buf1)); | |
1463 | } | |
1464 | } | |
1465 | return len; | |
1466 | } | |
1467 | } | |
1468 | ||
1469 | /* init terminal so that we can grab keys */ | |
1470 | static struct termios oldtty; | |
1471 | static int old_fd0_flags; | |
1472 | ||
1473 | static void term_exit(void) | |
1474 | { | |
1475 | tcsetattr (0, TCSANOW, &oldtty); | |
1476 | fcntl(0, F_SETFL, old_fd0_flags); | |
1477 | } | |
1478 | ||
1479 | static void term_init(void) | |
1480 | { | |
1481 | struct termios tty; | |
1482 | ||
1483 | tcgetattr (0, &tty); | |
1484 | oldtty = tty; | |
1485 | old_fd0_flags = fcntl(0, F_GETFL); | |
1486 | ||
1487 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1488 | |INLCR|IGNCR|ICRNL|IXON); | |
1489 | tty.c_oflag |= OPOST; | |
1490 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1491 | /* if graphical mode, we allow Ctrl-C handling */ | |
1492 | if (nographic) | |
1493 | tty.c_lflag &= ~ISIG; | |
1494 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1495 | tty.c_cflag |= CS8; | |
1496 | tty.c_cc[VMIN] = 1; | |
1497 | tty.c_cc[VTIME] = 0; | |
1498 | ||
1499 | tcsetattr (0, TCSANOW, &tty); | |
1500 | ||
1501 | atexit(term_exit); | |
1502 | ||
1503 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1504 | } | |
1505 | ||
1506 | CharDriverState *qemu_chr_open_stdio(void) | |
1507 | { | |
1508 | CharDriverState *chr; | |
1509 | ||
1510 | if (nographic) { | |
1511 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1512 | return NULL; | |
1513 | chr = qemu_chr_open_fd(0, 1); | |
1514 | chr->chr_write = stdio_write; | |
1515 | if (stdio_nb_clients == 0) | |
1516 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL); | |
1517 | client_index = stdio_nb_clients; | |
1518 | } else { | |
1519 | if (stdio_nb_clients != 0) | |
1520 | return NULL; | |
1521 | chr = qemu_chr_open_fd(0, 1); | |
1522 | } | |
1523 | stdio_clients[stdio_nb_clients++] = chr; | |
1524 | if (stdio_nb_clients == 1) { | |
1525 | /* set the terminal in raw mode */ | |
1526 | term_init(); | |
1527 | } | |
1528 | return chr; | |
1529 | } | |
1530 | ||
1531 | #if defined(__linux__) | |
1532 | CharDriverState *qemu_chr_open_pty(void) | |
1533 | { | |
1534 | struct termios tty; | |
1535 | char slave_name[1024]; | |
1536 | int master_fd, slave_fd; | |
1537 | ||
1538 | /* Not satisfying */ | |
1539 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1540 | return NULL; | |
1541 | } | |
1542 | ||
1543 | /* Disabling local echo and line-buffered output */ | |
1544 | tcgetattr (master_fd, &tty); | |
1545 | tty.c_lflag &= ~(ECHO|ICANON|ISIG); | |
1546 | tty.c_cc[VMIN] = 1; | |
1547 | tty.c_cc[VTIME] = 0; | |
1548 | tcsetattr (master_fd, TCSAFLUSH, &tty); | |
1549 | ||
1550 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1551 | return qemu_chr_open_fd(master_fd, master_fd); | |
1552 | } | |
1553 | ||
1554 | static void tty_serial_init(int fd, int speed, | |
1555 | int parity, int data_bits, int stop_bits) | |
1556 | { | |
1557 | struct termios tty; | |
1558 | speed_t spd; | |
1559 | ||
1560 | #if 0 | |
1561 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1562 | speed, parity, data_bits, stop_bits); | |
1563 | #endif | |
1564 | tcgetattr (fd, &tty); | |
1565 | ||
1566 | switch(speed) { | |
1567 | case 50: | |
1568 | spd = B50; | |
1569 | break; | |
1570 | case 75: | |
1571 | spd = B75; | |
1572 | break; | |
1573 | case 300: | |
1574 | spd = B300; | |
1575 | break; | |
1576 | case 600: | |
1577 | spd = B600; | |
1578 | break; | |
1579 | case 1200: | |
1580 | spd = B1200; | |
1581 | break; | |
1582 | case 2400: | |
1583 | spd = B2400; | |
1584 | break; | |
1585 | case 4800: | |
1586 | spd = B4800; | |
1587 | break; | |
1588 | case 9600: | |
1589 | spd = B9600; | |
1590 | break; | |
1591 | case 19200: | |
1592 | spd = B19200; | |
1593 | break; | |
1594 | case 38400: | |
1595 | spd = B38400; | |
1596 | break; | |
1597 | case 57600: | |
1598 | spd = B57600; | |
1599 | break; | |
1600 | default: | |
1601 | case 115200: | |
1602 | spd = B115200; | |
1603 | break; | |
1604 | } | |
1605 | ||
1606 | cfsetispeed(&tty, spd); | |
1607 | cfsetospeed(&tty, spd); | |
1608 | ||
1609 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1610 | |INLCR|IGNCR|ICRNL|IXON); | |
1611 | tty.c_oflag |= OPOST; | |
1612 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1613 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1614 | switch(data_bits) { | |
1615 | default: | |
1616 | case 8: | |
1617 | tty.c_cflag |= CS8; | |
1618 | break; | |
1619 | case 7: | |
1620 | tty.c_cflag |= CS7; | |
1621 | break; | |
1622 | case 6: | |
1623 | tty.c_cflag |= CS6; | |
1624 | break; | |
1625 | case 5: | |
1626 | tty.c_cflag |= CS5; | |
1627 | break; | |
1628 | } | |
1629 | switch(parity) { | |
1630 | default: | |
1631 | case 'N': | |
1632 | break; | |
1633 | case 'E': | |
1634 | tty.c_cflag |= PARENB; | |
1635 | break; | |
1636 | case 'O': | |
1637 | tty.c_cflag |= PARENB | PARODD; | |
1638 | break; | |
1639 | } | |
1640 | if (stop_bits == 2) | |
1641 | tty.c_cflag |= CSTOPB; | |
1642 | ||
1643 | tcsetattr (fd, TCSANOW, &tty); | |
1644 | } | |
1645 | ||
1646 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1647 | { | |
1648 | FDCharDriver *s = chr->opaque; | |
1649 | ||
1650 | switch(cmd) { | |
1651 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1652 | { | |
1653 | QEMUSerialSetParams *ssp = arg; | |
1654 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1655 | ssp->data_bits, ssp->stop_bits); | |
1656 | } | |
1657 | break; | |
1658 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1659 | { | |
1660 | int enable = *(int *)arg; | |
1661 | if (enable) | |
1662 | tcsendbreak(s->fd_in, 1); | |
1663 | } | |
1664 | break; | |
1665 | default: | |
1666 | return -ENOTSUP; | |
1667 | } | |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | CharDriverState *qemu_chr_open_tty(const char *filename) | |
1672 | { | |
1673 | CharDriverState *chr; | |
1674 | int fd; | |
1675 | ||
1676 | fd = open(filename, O_RDWR | O_NONBLOCK); | |
1677 | if (fd < 0) | |
1678 | return NULL; | |
1679 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1680 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1681 | chr = qemu_chr_open_fd(fd, fd); | |
1682 | if (!chr) | |
1683 | return NULL; | |
1684 | chr->chr_ioctl = tty_serial_ioctl; | |
1685 | return chr; | |
1686 | } | |
1687 | ||
1688 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1689 | { | |
1690 | int fd = (int)chr->opaque; | |
1691 | uint8_t b; | |
1692 | ||
1693 | switch(cmd) { | |
1694 | case CHR_IOCTL_PP_READ_DATA: | |
1695 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1696 | return -ENOTSUP; | |
1697 | *(uint8_t *)arg = b; | |
1698 | break; | |
1699 | case CHR_IOCTL_PP_WRITE_DATA: | |
1700 | b = *(uint8_t *)arg; | |
1701 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1702 | return -ENOTSUP; | |
1703 | break; | |
1704 | case CHR_IOCTL_PP_READ_CONTROL: | |
1705 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1706 | return -ENOTSUP; | |
1707 | *(uint8_t *)arg = b; | |
1708 | break; | |
1709 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1710 | b = *(uint8_t *)arg; | |
1711 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1712 | return -ENOTSUP; | |
1713 | break; | |
1714 | case CHR_IOCTL_PP_READ_STATUS: | |
1715 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1716 | return -ENOTSUP; | |
1717 | *(uint8_t *)arg = b; | |
1718 | break; | |
1719 | default: | |
1720 | return -ENOTSUP; | |
1721 | } | |
1722 | return 0; | |
1723 | } | |
1724 | ||
1725 | CharDriverState *qemu_chr_open_pp(const char *filename) | |
1726 | { | |
1727 | CharDriverState *chr; | |
1728 | int fd; | |
1729 | ||
1730 | fd = open(filename, O_RDWR); | |
1731 | if (fd < 0) | |
1732 | return NULL; | |
1733 | ||
1734 | if (ioctl(fd, PPCLAIM) < 0) { | |
1735 | close(fd); | |
1736 | return NULL; | |
1737 | } | |
1738 | ||
1739 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1740 | if (!chr) { | |
1741 | close(fd); | |
1742 | return NULL; | |
1743 | } | |
1744 | chr->opaque = (void *)fd; | |
1745 | chr->chr_write = null_chr_write; | |
1746 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1747 | chr->chr_ioctl = pp_ioctl; | |
1748 | return chr; | |
1749 | } | |
1750 | ||
1751 | #else | |
1752 | CharDriverState *qemu_chr_open_pty(void) | |
1753 | { | |
1754 | return NULL; | |
1755 | } | |
1756 | #endif | |
1757 | ||
1758 | #endif /* !defined(_WIN32) */ | |
1759 | ||
1760 | #ifdef _WIN32 | |
1761 | typedef struct { | |
1762 | IOCanRWHandler *fd_can_read; | |
1763 | IOReadHandler *fd_read; | |
1764 | void *win_opaque; | |
1765 | int max_size; | |
1766 | HANDLE hcom, hrecv, hsend; | |
1767 | OVERLAPPED orecv, osend; | |
1768 | BOOL fpipe; | |
1769 | DWORD len; | |
1770 | } WinCharState; | |
1771 | ||
1772 | #define NSENDBUF 2048 | |
1773 | #define NRECVBUF 2048 | |
1774 | #define MAXCONNECT 1 | |
1775 | #define NTIMEOUT 5000 | |
1776 | ||
1777 | static int win_chr_poll(void *opaque); | |
1778 | static int win_chr_pipe_poll(void *opaque); | |
1779 | ||
1780 | static void win_chr_close2(WinCharState *s) | |
1781 | { | |
1782 | if (s->hsend) { | |
1783 | CloseHandle(s->hsend); | |
1784 | s->hsend = NULL; | |
1785 | } | |
1786 | if (s->hrecv) { | |
1787 | CloseHandle(s->hrecv); | |
1788 | s->hrecv = NULL; | |
1789 | } | |
1790 | if (s->hcom) { | |
1791 | CloseHandle(s->hcom); | |
1792 | s->hcom = NULL; | |
1793 | } | |
1794 | if (s->fpipe) | |
1795 | qemu_del_polling_cb(win_chr_pipe_poll, s); | |
1796 | else | |
1797 | qemu_del_polling_cb(win_chr_poll, s); | |
1798 | } | |
1799 | ||
1800 | static void win_chr_close(CharDriverState *chr) | |
1801 | { | |
1802 | WinCharState *s = chr->opaque; | |
1803 | win_chr_close2(s); | |
1804 | } | |
1805 | ||
1806 | static int win_chr_init(WinCharState *s, const char *filename) | |
1807 | { | |
1808 | COMMCONFIG comcfg; | |
1809 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1810 | COMSTAT comstat; | |
1811 | DWORD size; | |
1812 | DWORD err; | |
1813 | ||
1814 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1815 | if (!s->hsend) { | |
1816 | fprintf(stderr, "Failed CreateEvent\n"); | |
1817 | goto fail; | |
1818 | } | |
1819 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1820 | if (!s->hrecv) { | |
1821 | fprintf(stderr, "Failed CreateEvent\n"); | |
1822 | goto fail; | |
1823 | } | |
1824 | ||
1825 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1826 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1827 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1828 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1829 | s->hcom = NULL; | |
1830 | goto fail; | |
1831 | } | |
1832 | ||
1833 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1834 | fprintf(stderr, "Failed SetupComm\n"); | |
1835 | goto fail; | |
1836 | } | |
1837 | ||
1838 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1839 | size = sizeof(COMMCONFIG); | |
1840 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1841 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1842 | CommConfigDialog(filename, NULL, &comcfg); | |
1843 | ||
1844 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1845 | fprintf(stderr, "Failed SetCommState\n"); | |
1846 | goto fail; | |
1847 | } | |
1848 | ||
1849 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1850 | fprintf(stderr, "Failed SetCommMask\n"); | |
1851 | goto fail; | |
1852 | } | |
1853 | ||
1854 | cto.ReadIntervalTimeout = MAXDWORD; | |
1855 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1856 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1857 | goto fail; | |
1858 | } | |
1859 | ||
1860 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1861 | fprintf(stderr, "Failed ClearCommError\n"); | |
1862 | goto fail; | |
1863 | } | |
1864 | qemu_add_polling_cb(win_chr_poll, s); | |
1865 | return 0; | |
1866 | ||
1867 | fail: | |
1868 | win_chr_close2(s); | |
1869 | return -1; | |
1870 | } | |
1871 | ||
1872 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1873 | { | |
1874 | WinCharState *s = chr->opaque; | |
1875 | DWORD len, ret, size, err; | |
1876 | ||
1877 | len = len1; | |
1878 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1879 | s->osend.hEvent = s->hsend; | |
1880 | while (len > 0) { | |
1881 | if (s->hsend) | |
1882 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1883 | else | |
1884 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1885 | if (!ret) { | |
1886 | err = GetLastError(); | |
1887 | if (err == ERROR_IO_PENDING) { | |
1888 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1889 | if (ret) { | |
1890 | buf += size; | |
1891 | len -= size; | |
1892 | } else { | |
1893 | break; | |
1894 | } | |
1895 | } else { | |
1896 | break; | |
1897 | } | |
1898 | } else { | |
1899 | buf += size; | |
1900 | len -= size; | |
1901 | } | |
1902 | } | |
1903 | return len1 - len; | |
1904 | } | |
1905 | ||
1906 | static int win_chr_read_poll(WinCharState *s) | |
1907 | { | |
1908 | s->max_size = s->fd_can_read(s->win_opaque); | |
1909 | return s->max_size; | |
1910 | } | |
1911 | ||
1912 | static void win_chr_readfile(WinCharState *s) | |
1913 | { | |
1914 | int ret, err; | |
1915 | uint8_t buf[1024]; | |
1916 | DWORD size; | |
1917 | ||
1918 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1919 | s->orecv.hEvent = s->hrecv; | |
1920 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1921 | if (!ret) { | |
1922 | err = GetLastError(); | |
1923 | if (err == ERROR_IO_PENDING) { | |
1924 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1925 | } | |
1926 | } | |
1927 | ||
1928 | if (size > 0) { | |
1929 | s->fd_read(s->win_opaque, buf, size); | |
1930 | } | |
1931 | } | |
1932 | ||
1933 | static void win_chr_read(WinCharState *s) | |
1934 | { | |
1935 | if (s->len > s->max_size) | |
1936 | s->len = s->max_size; | |
1937 | if (s->len == 0) | |
1938 | return; | |
1939 | ||
1940 | win_chr_readfile(s); | |
1941 | } | |
1942 | ||
1943 | static int win_chr_poll(void *opaque) | |
1944 | { | |
1945 | WinCharState *s = opaque; | |
1946 | COMSTAT status; | |
1947 | DWORD comerr; | |
1948 | ||
1949 | ClearCommError(s->hcom, &comerr, &status); | |
1950 | if (status.cbInQue > 0) { | |
1951 | s->len = status.cbInQue; | |
1952 | win_chr_read_poll(s); | |
1953 | win_chr_read(s); | |
1954 | return 1; | |
1955 | } | |
1956 | return 0; | |
1957 | } | |
1958 | ||
1959 | static void win_chr_add_read_handler(CharDriverState *chr, | |
1960 | IOCanRWHandler *fd_can_read, | |
1961 | IOReadHandler *fd_read, void *opaque) | |
1962 | { | |
1963 | WinCharState *s = chr->opaque; | |
1964 | ||
1965 | s->fd_can_read = fd_can_read; | |
1966 | s->fd_read = fd_read; | |
1967 | s->win_opaque = opaque; | |
1968 | } | |
1969 | ||
1970 | CharDriverState *qemu_chr_open_win(const char *filename) | |
1971 | { | |
1972 | CharDriverState *chr; | |
1973 | WinCharState *s; | |
1974 | ||
1975 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1976 | if (!chr) | |
1977 | return NULL; | |
1978 | s = qemu_mallocz(sizeof(WinCharState)); | |
1979 | if (!s) { | |
1980 | free(chr); | |
1981 | return NULL; | |
1982 | } | |
1983 | chr->opaque = s; | |
1984 | chr->chr_write = win_chr_write; | |
1985 | chr->chr_add_read_handler = win_chr_add_read_handler; | |
1986 | chr->chr_close = win_chr_close; | |
1987 | ||
1988 | if (win_chr_init(s, filename) < 0) { | |
1989 | free(s); | |
1990 | free(chr); | |
1991 | return NULL; | |
1992 | } | |
1993 | return chr; | |
1994 | } | |
1995 | ||
1996 | static int win_chr_pipe_poll(void *opaque) | |
1997 | { | |
1998 | WinCharState *s = opaque; | |
1999 | DWORD size; | |
2000 | ||
2001 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
2002 | if (size > 0) { | |
2003 | s->len = size; | |
2004 | win_chr_read_poll(s); | |
2005 | win_chr_read(s); | |
2006 | return 1; | |
2007 | } | |
2008 | return 0; | |
2009 | } | |
2010 | ||
2011 | static int win_chr_pipe_init(WinCharState *s, const char *filename) | |
2012 | { | |
2013 | OVERLAPPED ov; | |
2014 | int ret; | |
2015 | DWORD size; | |
2016 | char openname[256]; | |
2017 | ||
2018 | s->fpipe = TRUE; | |
2019 | ||
2020 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2021 | if (!s->hsend) { | |
2022 | fprintf(stderr, "Failed CreateEvent\n"); | |
2023 | goto fail; | |
2024 | } | |
2025 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2026 | if (!s->hrecv) { | |
2027 | fprintf(stderr, "Failed CreateEvent\n"); | |
2028 | goto fail; | |
2029 | } | |
2030 | ||
2031 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
2032 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
2033 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
2034 | PIPE_WAIT, | |
2035 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
2036 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
2037 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
2038 | s->hcom = NULL; | |
2039 | goto fail; | |
2040 | } | |
2041 | ||
2042 | ZeroMemory(&ov, sizeof(ov)); | |
2043 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2044 | ret = ConnectNamedPipe(s->hcom, &ov); | |
2045 | if (ret) { | |
2046 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
2047 | goto fail; | |
2048 | } | |
2049 | ||
2050 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
2051 | if (!ret) { | |
2052 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
2053 | if (ov.hEvent) { | |
2054 | CloseHandle(ov.hEvent); | |
2055 | ov.hEvent = NULL; | |
2056 | } | |
2057 | goto fail; | |
2058 | } | |
2059 | ||
2060 | if (ov.hEvent) { | |
2061 | CloseHandle(ov.hEvent); | |
2062 | ov.hEvent = NULL; | |
2063 | } | |
2064 | qemu_add_polling_cb(win_chr_pipe_poll, s); | |
2065 | return 0; | |
2066 | ||
2067 | fail: | |
2068 | win_chr_close2(s); | |
2069 | return -1; | |
2070 | } | |
2071 | ||
2072 | ||
2073 | CharDriverState *qemu_chr_open_win_pipe(const char *filename) | |
2074 | { | |
2075 | CharDriverState *chr; | |
2076 | WinCharState *s; | |
2077 | ||
2078 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2079 | if (!chr) | |
2080 | return NULL; | |
2081 | s = qemu_mallocz(sizeof(WinCharState)); | |
2082 | if (!s) { | |
2083 | free(chr); | |
2084 | return NULL; | |
2085 | } | |
2086 | chr->opaque = s; | |
2087 | chr->chr_write = win_chr_write; | |
2088 | chr->chr_add_read_handler = win_chr_add_read_handler; | |
2089 | chr->chr_close = win_chr_close; | |
2090 | ||
2091 | if (win_chr_pipe_init(s, filename) < 0) { | |
2092 | free(s); | |
2093 | free(chr); | |
2094 | return NULL; | |
2095 | } | |
2096 | return chr; | |
2097 | } | |
2098 | ||
2099 | CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
2100 | { | |
2101 | CharDriverState *chr; | |
2102 | WinCharState *s; | |
2103 | ||
2104 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2105 | if (!chr) | |
2106 | return NULL; | |
2107 | s = qemu_mallocz(sizeof(WinCharState)); | |
2108 | if (!s) { | |
2109 | free(chr); | |
2110 | return NULL; | |
2111 | } | |
2112 | s->hcom = fd_out; | |
2113 | chr->opaque = s; | |
2114 | chr->chr_write = win_chr_write; | |
2115 | chr->chr_add_read_handler = win_chr_add_read_handler; | |
2116 | return chr; | |
2117 | } | |
2118 | ||
2119 | CharDriverState *qemu_chr_open_win_file_out(const char *file_out) | |
2120 | { | |
2121 | HANDLE fd_out; | |
2122 | ||
2123 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
2124 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
2125 | if (fd_out == INVALID_HANDLE_VALUE) | |
2126 | return NULL; | |
2127 | ||
2128 | return qemu_chr_open_win_file(fd_out); | |
2129 | } | |
2130 | #endif | |
2131 | ||
2132 | /***********************************************************/ | |
2133 | /* UDP Net console */ | |
2134 | ||
2135 | typedef struct { | |
2136 | IOCanRWHandler *fd_can_read; | |
2137 | IOReadHandler *fd_read; | |
2138 | void *fd_opaque; | |
2139 | int fd; | |
2140 | struct sockaddr_in daddr; | |
2141 | char buf[1024]; | |
2142 | int bufcnt; | |
2143 | int bufptr; | |
2144 | int max_size; | |
2145 | } NetCharDriver; | |
2146 | ||
2147 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2148 | { | |
2149 | NetCharDriver *s = chr->opaque; | |
2150 | ||
2151 | return sendto(s->fd, buf, len, 0, | |
2152 | (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); | |
2153 | } | |
2154 | ||
2155 | static int udp_chr_read_poll(void *opaque) | |
2156 | { | |
2157 | CharDriverState *chr = opaque; | |
2158 | NetCharDriver *s = chr->opaque; | |
2159 | ||
2160 | s->max_size = s->fd_can_read(s->fd_opaque); | |
2161 | ||
2162 | /* If there were any stray characters in the queue process them | |
2163 | * first | |
2164 | */ | |
2165 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
2166 | s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1); | |
2167 | s->bufptr++; | |
2168 | s->max_size = s->fd_can_read(s->fd_opaque); | |
2169 | } | |
2170 | return s->max_size; | |
2171 | } | |
2172 | ||
2173 | static void udp_chr_read(void *opaque) | |
2174 | { | |
2175 | CharDriverState *chr = opaque; | |
2176 | NetCharDriver *s = chr->opaque; | |
2177 | ||
2178 | if (s->max_size == 0) | |
2179 | return; | |
2180 | s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
2181 | s->bufptr = s->bufcnt; | |
2182 | if (s->bufcnt <= 0) | |
2183 | return; | |
2184 | ||
2185 | s->bufptr = 0; | |
2186 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
2187 | s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1); | |
2188 | s->bufptr++; | |
2189 | s->max_size = s->fd_can_read(s->fd_opaque); | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | static void udp_chr_add_read_handler(CharDriverState *chr, | |
2194 | IOCanRWHandler *fd_can_read, | |
2195 | IOReadHandler *fd_read, void *opaque) | |
2196 | { | |
2197 | NetCharDriver *s = chr->opaque; | |
2198 | ||
2199 | if (s->fd >= 0) { | |
2200 | s->fd_can_read = fd_can_read; | |
2201 | s->fd_read = fd_read; | |
2202 | s->fd_opaque = opaque; | |
2203 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
2204 | udp_chr_read, NULL, chr); | |
2205 | } | |
2206 | } | |
2207 | ||
2208 | int parse_host_port(struct sockaddr_in *saddr, const char *str); | |
2209 | int parse_unix_path(struct sockaddr_un *uaddr, const char *str); | |
2210 | int parse_host_src_port(struct sockaddr_in *haddr, | |
2211 | struct sockaddr_in *saddr, | |
2212 | const char *str); | |
2213 | ||
2214 | CharDriverState *qemu_chr_open_udp(const char *def) | |
2215 | { | |
2216 | CharDriverState *chr = NULL; | |
2217 | NetCharDriver *s = NULL; | |
2218 | int fd = -1; | |
2219 | struct sockaddr_in saddr; | |
2220 | ||
2221 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2222 | if (!chr) | |
2223 | goto return_err; | |
2224 | s = qemu_mallocz(sizeof(NetCharDriver)); | |
2225 | if (!s) | |
2226 | goto return_err; | |
2227 | ||
2228 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
2229 | if (fd < 0) { | |
2230 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
2231 | goto return_err; | |
2232 | } | |
2233 | ||
2234 | if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { | |
2235 | printf("Could not parse: %s\n", def); | |
2236 | goto return_err; | |
2237 | } | |
2238 | ||
2239 | if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) | |
2240 | { | |
2241 | perror("bind"); | |
2242 | goto return_err; | |
2243 | } | |
2244 | ||
2245 | s->fd = fd; | |
2246 | s->bufcnt = 0; | |
2247 | s->bufptr = 0; | |
2248 | chr->opaque = s; | |
2249 | chr->chr_write = udp_chr_write; | |
2250 | chr->chr_add_read_handler = udp_chr_add_read_handler; | |
2251 | return chr; | |
2252 | ||
2253 | return_err: | |
2254 | if (chr) | |
2255 | free(chr); | |
2256 | if (s) | |
2257 | free(s); | |
2258 | if (fd >= 0) | |
2259 | closesocket(fd); | |
2260 | return NULL; | |
2261 | } | |
2262 | ||
2263 | /***********************************************************/ | |
2264 | /* TCP Net console */ | |
2265 | ||
2266 | typedef struct { | |
2267 | IOCanRWHandler *fd_can_read; | |
2268 | IOReadHandler *fd_read; | |
2269 | void *fd_opaque; | |
2270 | int fd, listen_fd; | |
2271 | int connected; | |
2272 | int max_size; | |
2273 | int do_telnetopt; | |
2274 | int is_unix; | |
2275 | } TCPCharDriver; | |
2276 | ||
2277 | static void tcp_chr_accept(void *opaque); | |
2278 | ||
2279 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2280 | { | |
2281 | TCPCharDriver *s = chr->opaque; | |
2282 | if (s->connected) { | |
2283 | return send_all(s->fd, buf, len); | |
2284 | } else { | |
2285 | /* XXX: indicate an error ? */ | |
2286 | return len; | |
2287 | } | |
2288 | } | |
2289 | ||
2290 | static int tcp_chr_read_poll(void *opaque) | |
2291 | { | |
2292 | CharDriverState *chr = opaque; | |
2293 | TCPCharDriver *s = chr->opaque; | |
2294 | if (!s->connected) | |
2295 | return 0; | |
2296 | if (!s->fd_can_read) | |
2297 | return 0; | |
2298 | s->max_size = s->fd_can_read(s->fd_opaque); | |
2299 | return s->max_size; | |
2300 | } | |
2301 | ||
2302 | #define IAC 255 | |
2303 | #define IAC_BREAK 243 | |
2304 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2305 | TCPCharDriver *s, | |
2306 | char *buf, int *size) | |
2307 | { | |
2308 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2309 | * char mode with no echo. All IAC options will be removed from | |
2310 | * the buf and the do_telnetopt variable will be used to track the | |
2311 | * state of the width of the IAC information. | |
2312 | * | |
2313 | * IAC commands come in sets of 3 bytes with the exception of the | |
2314 | * "IAC BREAK" command and the double IAC. | |
2315 | */ | |
2316 | ||
2317 | int i; | |
2318 | int j = 0; | |
2319 | ||
2320 | for (i = 0; i < *size; i++) { | |
2321 | if (s->do_telnetopt > 1) { | |
2322 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2323 | /* Double IAC means send an IAC */ | |
2324 | if (j != i) | |
2325 | buf[j] = buf[i]; | |
2326 | j++; | |
2327 | s->do_telnetopt = 1; | |
2328 | } else { | |
2329 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2330 | /* Handle IAC break commands by sending a serial break */ | |
2331 | chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); | |
2332 | s->do_telnetopt++; | |
2333 | } | |
2334 | s->do_telnetopt++; | |
2335 | } | |
2336 | if (s->do_telnetopt >= 4) { | |
2337 | s->do_telnetopt = 1; | |
2338 | } | |
2339 | } else { | |
2340 | if ((unsigned char)buf[i] == IAC) { | |
2341 | s->do_telnetopt = 2; | |
2342 | } else { | |
2343 | if (j != i) | |
2344 | buf[j] = buf[i]; | |
2345 | j++; | |
2346 | } | |
2347 | } | |
2348 | } | |
2349 | *size = j; | |
2350 | } | |
2351 | ||
2352 | static void tcp_chr_read(void *opaque) | |
2353 | { | |
2354 | CharDriverState *chr = opaque; | |
2355 | TCPCharDriver *s = chr->opaque; | |
2356 | uint8_t buf[1024]; | |
2357 | int len, size; | |
2358 | ||
2359 | if (!s->connected || s->max_size <= 0) | |
2360 | return; | |
2361 | len = sizeof(buf); | |
2362 | if (len > s->max_size) | |
2363 | len = s->max_size; | |
2364 | size = recv(s->fd, buf, len, 0); | |
2365 | if (size == 0) { | |
2366 | /* connection closed */ | |
2367 | s->connected = 0; | |
2368 | if (s->listen_fd >= 0) { | |
2369 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2370 | } | |
2371 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
2372 | closesocket(s->fd); | |
2373 | s->fd = -1; | |
2374 | } else if (size > 0) { | |
2375 | if (s->do_telnetopt) | |
2376 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2377 | if (size > 0) | |
2378 | s->fd_read(s->fd_opaque, buf, size); | |
2379 | } | |
2380 | } | |
2381 | ||
2382 | static void tcp_chr_add_read_handler(CharDriverState *chr, | |
2383 | IOCanRWHandler *fd_can_read, | |
2384 | IOReadHandler *fd_read, void *opaque) | |
2385 | { | |
2386 | TCPCharDriver *s = chr->opaque; | |
2387 | ||
2388 | s->fd_can_read = fd_can_read; | |
2389 | s->fd_read = fd_read; | |
2390 | s->fd_opaque = opaque; | |
2391 | } | |
2392 | ||
2393 | static void tcp_chr_connect(void *opaque) | |
2394 | { | |
2395 | CharDriverState *chr = opaque; | |
2396 | TCPCharDriver *s = chr->opaque; | |
2397 | ||
2398 | s->connected = 1; | |
2399 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
2400 | tcp_chr_read, NULL, chr); | |
2401 | } | |
2402 | ||
2403 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2404 | static void tcp_chr_telnet_init(int fd) | |
2405 | { | |
2406 | char buf[3]; | |
2407 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2408 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2409 | send(fd, (char *)buf, 3, 0); | |
2410 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2411 | send(fd, (char *)buf, 3, 0); | |
2412 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2413 | send(fd, (char *)buf, 3, 0); | |
2414 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2415 | send(fd, (char *)buf, 3, 0); | |
2416 | } | |
2417 | ||
2418 | static void tcp_chr_accept(void *opaque) | |
2419 | { | |
2420 | CharDriverState *chr = opaque; | |
2421 | TCPCharDriver *s = chr->opaque; | |
2422 | struct sockaddr_in saddr; | |
2423 | #ifndef _WIN32 | |
2424 | struct sockaddr_un uaddr; | |
2425 | #endif | |
2426 | struct sockaddr *addr; | |
2427 | socklen_t len; | |
2428 | int fd; | |
2429 | ||
2430 | for(;;) { | |
2431 | #ifndef _WIN32 | |
2432 | if (s->is_unix) { | |
2433 | len = sizeof(uaddr); | |
2434 | addr = (struct sockaddr *)&uaddr; | |
2435 | } else | |
2436 | #endif | |
2437 | { | |
2438 | len = sizeof(saddr); | |
2439 | addr = (struct sockaddr *)&saddr; | |
2440 | } | |
2441 | fd = accept(s->listen_fd, addr, &len); | |
2442 | if (fd < 0 && errno != EINTR) { | |
2443 | return; | |
2444 | } else if (fd >= 0) { | |
2445 | if (s->do_telnetopt) | |
2446 | tcp_chr_telnet_init(fd); | |
2447 | break; | |
2448 | } | |
2449 | } | |
2450 | socket_set_nonblock(fd); | |
2451 | s->fd = fd; | |
2452 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
2453 | tcp_chr_connect(chr); | |
2454 | } | |
2455 | ||
2456 | static void tcp_chr_close(CharDriverState *chr) | |
2457 | { | |
2458 | TCPCharDriver *s = chr->opaque; | |
2459 | if (s->fd >= 0) | |
2460 | closesocket(s->fd); | |
2461 | if (s->listen_fd >= 0) | |
2462 | closesocket(s->listen_fd); | |
2463 | qemu_free(s); | |
2464 | } | |
2465 | ||
2466 | static CharDriverState *qemu_chr_open_tcp(const char *host_str, | |
2467 | int is_telnet, | |
2468 | int is_unix) | |
2469 | { | |
2470 | CharDriverState *chr = NULL; | |
2471 | TCPCharDriver *s = NULL; | |
2472 | int fd = -1, ret, err, val; | |
2473 | int is_listen = 0; | |
2474 | int is_waitconnect = 1; | |
2475 | const char *ptr; | |
2476 | struct sockaddr_in saddr; | |
2477 | #ifndef _WIN32 | |
2478 | struct sockaddr_un uaddr; | |
2479 | #endif | |
2480 | struct sockaddr *addr; | |
2481 | socklen_t addrlen; | |
2482 | ||
2483 | #ifndef _WIN32 | |
2484 | if (is_unix) { | |
2485 | addr = (struct sockaddr *)&uaddr; | |
2486 | addrlen = sizeof(uaddr); | |
2487 | if (parse_unix_path(&uaddr, host_str) < 0) | |
2488 | goto fail; | |
2489 | } else | |
2490 | #endif | |
2491 | { | |
2492 | addr = (struct sockaddr *)&saddr; | |
2493 | addrlen = sizeof(saddr); | |
2494 | if (parse_host_port(&saddr, host_str) < 0) | |
2495 | goto fail; | |
2496 | } | |
2497 | ||
2498 | ptr = host_str; | |
2499 | while((ptr = strchr(ptr,','))) { | |
2500 | ptr++; | |
2501 | if (!strncmp(ptr,"server",6)) { | |
2502 | is_listen = 1; | |
2503 | } else if (!strncmp(ptr,"nowait",6)) { | |
2504 | is_waitconnect = 0; | |
2505 | } else { | |
2506 | printf("Unknown option: %s\n", ptr); | |
2507 | goto fail; | |
2508 | } | |
2509 | } | |
2510 | if (!is_listen) | |
2511 | is_waitconnect = 0; | |
2512 | ||
2513 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2514 | if (!chr) | |
2515 | goto fail; | |
2516 | s = qemu_mallocz(sizeof(TCPCharDriver)); | |
2517 | if (!s) | |
2518 | goto fail; | |
2519 | ||
2520 | #ifndef _WIN32 | |
2521 | if (is_unix) | |
2522 | fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
2523 | else | |
2524 | #endif | |
2525 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
2526 | ||
2527 | if (fd < 0) | |
2528 | goto fail; | |
2529 | ||
2530 | if (!is_waitconnect) | |
2531 | socket_set_nonblock(fd); | |
2532 | ||
2533 | s->connected = 0; | |
2534 | s->fd = -1; | |
2535 | s->listen_fd = -1; | |
2536 | s->is_unix = is_unix; | |
2537 | ||
2538 | chr->opaque = s; | |
2539 | chr->chr_write = tcp_chr_write; | |
2540 | chr->chr_add_read_handler = tcp_chr_add_read_handler; | |
2541 | chr->chr_close = tcp_chr_close; | |
2542 | ||
2543 | if (is_listen) { | |
2544 | /* allow fast reuse */ | |
2545 | #ifndef _WIN32 | |
2546 | if (is_unix) { | |
2547 | char path[109]; | |
2548 | strncpy(path, uaddr.sun_path, 108); | |
2549 | path[108] = 0; | |
2550 | unlink(path); | |
2551 | } else | |
2552 | #endif | |
2553 | { | |
2554 | val = 1; | |
2555 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
2556 | } | |
2557 | ||
2558 | ret = bind(fd, addr, addrlen); | |
2559 | if (ret < 0) | |
2560 | goto fail; | |
2561 | ||
2562 | ret = listen(fd, 0); | |
2563 | if (ret < 0) | |
2564 | goto fail; | |
2565 | ||
2566 | s->listen_fd = fd; | |
2567 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2568 | if (is_telnet) | |
2569 | s->do_telnetopt = 1; | |
2570 | } else { | |
2571 | for(;;) { | |
2572 | ret = connect(fd, addr, addrlen); | |
2573 | if (ret < 0) { | |
2574 | err = socket_error(); | |
2575 | if (err == EINTR || err == EWOULDBLOCK) { | |
2576 | } else if (err == EINPROGRESS) { | |
2577 | break; | |
2578 | } else { | |
2579 | goto fail; | |
2580 | } | |
2581 | } else { | |
2582 | s->connected = 1; | |
2583 | break; | |
2584 | } | |
2585 | } | |
2586 | s->fd = fd; | |
2587 | if (s->connected) | |
2588 | tcp_chr_connect(chr); | |
2589 | else | |
2590 | qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr); | |
2591 | } | |
2592 | ||
2593 | if (is_listen && is_waitconnect) { | |
2594 | printf("QEMU waiting for connection on: %s\n", host_str); | |
2595 | tcp_chr_accept(chr); | |
2596 | socket_set_nonblock(s->listen_fd); | |
2597 | } | |
2598 | ||
2599 | return chr; | |
2600 | fail: | |
2601 | if (fd >= 0) | |
2602 | closesocket(fd); | |
2603 | qemu_free(s); | |
2604 | qemu_free(chr); | |
2605 | return NULL; | |
2606 | } | |
2607 | ||
2608 | CharDriverState *qemu_chr_open(const char *filename) | |
2609 | { | |
2610 | const char *p; | |
2611 | ||
2612 | if (!strcmp(filename, "vc")) { | |
2613 | return text_console_init(&display_state); | |
2614 | } else if (!strcmp(filename, "null")) { | |
2615 | return qemu_chr_open_null(); | |
2616 | } else | |
2617 | if (strstart(filename, "tcp:", &p)) { | |
2618 | return qemu_chr_open_tcp(p, 0, 0); | |
2619 | } else | |
2620 | if (strstart(filename, "telnet:", &p)) { | |
2621 | return qemu_chr_open_tcp(p, 1, 0); | |
2622 | } else | |
2623 | if (strstart(filename, "udp:", &p)) { | |
2624 | return qemu_chr_open_udp(p); | |
2625 | } else | |
2626 | #ifndef _WIN32 | |
2627 | if (strstart(filename, "unix:", &p)) { | |
2628 | return qemu_chr_open_tcp(p, 0, 1); | |
2629 | } else if (strstart(filename, "file:", &p)) { | |
2630 | return qemu_chr_open_file_out(p); | |
2631 | } else if (strstart(filename, "pipe:", &p)) { | |
2632 | return qemu_chr_open_pipe(p); | |
2633 | } else if (!strcmp(filename, "pty")) { | |
2634 | return qemu_chr_open_pty(); | |
2635 | } else if (!strcmp(filename, "stdio")) { | |
2636 | return qemu_chr_open_stdio(); | |
2637 | } else | |
2638 | #endif | |
2639 | #if defined(__linux__) | |
2640 | if (strstart(filename, "/dev/parport", NULL)) { | |
2641 | return qemu_chr_open_pp(filename); | |
2642 | } else | |
2643 | if (strstart(filename, "/dev/", NULL)) { | |
2644 | return qemu_chr_open_tty(filename); | |
2645 | } else | |
2646 | #endif | |
2647 | #ifdef _WIN32 | |
2648 | if (strstart(filename, "COM", NULL)) { | |
2649 | return qemu_chr_open_win(filename); | |
2650 | } else | |
2651 | if (strstart(filename, "pipe:", &p)) { | |
2652 | return qemu_chr_open_win_pipe(p); | |
2653 | } else | |
2654 | if (strstart(filename, "file:", &p)) { | |
2655 | return qemu_chr_open_win_file_out(p); | |
2656 | } | |
2657 | #endif | |
2658 | { | |
2659 | return NULL; | |
2660 | } | |
2661 | } | |
2662 | ||
2663 | void qemu_chr_close(CharDriverState *chr) | |
2664 | { | |
2665 | if (chr->chr_close) | |
2666 | chr->chr_close(chr); | |
2667 | } | |
2668 | ||
2669 | /***********************************************************/ | |
2670 | /* network device redirectors */ | |
2671 | ||
2672 | void hex_dump(FILE *f, const uint8_t *buf, int size) | |
2673 | { | |
2674 | int len, i, j, c; | |
2675 | ||
2676 | for(i=0;i<size;i+=16) { | |
2677 | len = size - i; | |
2678 | if (len > 16) | |
2679 | len = 16; | |
2680 | fprintf(f, "%08x ", i); | |
2681 | for(j=0;j<16;j++) { | |
2682 | if (j < len) | |
2683 | fprintf(f, " %02x", buf[i+j]); | |
2684 | else | |
2685 | fprintf(f, " "); | |
2686 | } | |
2687 | fprintf(f, " "); | |
2688 | for(j=0;j<len;j++) { | |
2689 | c = buf[i+j]; | |
2690 | if (c < ' ' || c > '~') | |
2691 | c = '.'; | |
2692 | fprintf(f, "%c", c); | |
2693 | } | |
2694 | fprintf(f, "\n"); | |
2695 | } | |
2696 | } | |
2697 | ||
2698 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
2699 | { | |
2700 | int i; | |
2701 | for(i = 0; i < 6; i++) { | |
2702 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2703 | if (i == 5) { | |
2704 | if (*p != '\0') | |
2705 | return -1; | |
2706 | } else { | |
2707 | if (*p != ':') | |
2708 | return -1; | |
2709 | p++; | |
2710 | } | |
2711 | } | |
2712 | return 0; | |
2713 | } | |
2714 | ||
2715 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
2716 | { | |
2717 | const char *p, *p1; | |
2718 | int len; | |
2719 | p = *pp; | |
2720 | p1 = strchr(p, sep); | |
2721 | if (!p1) | |
2722 | return -1; | |
2723 | len = p1 - p; | |
2724 | p1++; | |
2725 | if (buf_size > 0) { | |
2726 | if (len > buf_size - 1) | |
2727 | len = buf_size - 1; | |
2728 | memcpy(buf, p, len); | |
2729 | buf[len] = '\0'; | |
2730 | } | |
2731 | *pp = p1; | |
2732 | return 0; | |
2733 | } | |
2734 | ||
2735 | int parse_host_src_port(struct sockaddr_in *haddr, | |
2736 | struct sockaddr_in *saddr, | |
2737 | const char *input_str) | |
2738 | { | |
2739 | char *str = strdup(input_str); | |
2740 | char *host_str = str; | |
2741 | char *src_str; | |
2742 | char *ptr; | |
2743 | ||
2744 | /* | |
2745 | * Chop off any extra arguments at the end of the string which | |
2746 | * would start with a comma, then fill in the src port information | |
2747 | * if it was provided else use the "any address" and "any port". | |
2748 | */ | |
2749 | if ((ptr = strchr(str,','))) | |
2750 | *ptr = '\0'; | |
2751 | ||
2752 | if ((src_str = strchr(input_str,'@'))) { | |
2753 | *src_str = '\0'; | |
2754 | src_str++; | |
2755 | } | |
2756 | ||
2757 | if (parse_host_port(haddr, host_str) < 0) | |
2758 | goto fail; | |
2759 | ||
2760 | if (!src_str || *src_str == '\0') | |
2761 | src_str = ":0"; | |
2762 | ||
2763 | if (parse_host_port(saddr, src_str) < 0) | |
2764 | goto fail; | |
2765 | ||
2766 | free(str); | |
2767 | return(0); | |
2768 | ||
2769 | fail: | |
2770 | free(str); | |
2771 | return -1; | |
2772 | } | |
2773 | ||
2774 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
2775 | { | |
2776 | char buf[512]; | |
2777 | struct hostent *he; | |
2778 | const char *p, *r; | |
2779 | int port; | |
2780 | ||
2781 | p = str; | |
2782 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
2783 | return -1; | |
2784 | saddr->sin_family = AF_INET; | |
2785 | if (buf[0] == '\0') { | |
2786 | saddr->sin_addr.s_addr = 0; | |
2787 | } else { | |
2788 | if (isdigit(buf[0])) { | |
2789 | if (!inet_aton(buf, &saddr->sin_addr)) | |
2790 | return -1; | |
2791 | } else { | |
2792 | if ((he = gethostbyname(buf)) == NULL) | |
2793 | return - 1; | |
2794 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
2795 | } | |
2796 | } | |
2797 | port = strtol(p, (char **)&r, 0); | |
2798 | if (r == p) | |
2799 | return -1; | |
2800 | saddr->sin_port = htons(port); | |
2801 | return 0; | |
2802 | } | |
2803 | ||
2804 | int parse_unix_path(struct sockaddr_un *uaddr, const char *str) | |
2805 | { | |
2806 | const char *p; | |
2807 | int len; | |
2808 | ||
2809 | len = MIN(108, strlen(str)); | |
2810 | p = strchr(str, ','); | |
2811 | if (p) | |
2812 | len = MIN(len, p - str); | |
2813 | ||
2814 | memset(uaddr, 0, sizeof(*uaddr)); | |
2815 | ||
2816 | uaddr->sun_family = AF_UNIX; | |
2817 | memcpy(uaddr->sun_path, str, len); | |
2818 | ||
2819 | return 0; | |
2820 | } | |
2821 | ||
2822 | /* find or alloc a new VLAN */ | |
2823 | VLANState *qemu_find_vlan(int id) | |
2824 | { | |
2825 | VLANState **pvlan, *vlan; | |
2826 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
2827 | if (vlan->id == id) | |
2828 | return vlan; | |
2829 | } | |
2830 | vlan = qemu_mallocz(sizeof(VLANState)); | |
2831 | if (!vlan) | |
2832 | return NULL; | |
2833 | vlan->id = id; | |
2834 | vlan->next = NULL; | |
2835 | pvlan = &first_vlan; | |
2836 | while (*pvlan != NULL) | |
2837 | pvlan = &(*pvlan)->next; | |
2838 | *pvlan = vlan; | |
2839 | return vlan; | |
2840 | } | |
2841 | ||
2842 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, | |
2843 | IOReadHandler *fd_read, | |
2844 | IOCanRWHandler *fd_can_read, | |
2845 | void *opaque) | |
2846 | { | |
2847 | VLANClientState *vc, **pvc; | |
2848 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
2849 | if (!vc) | |
2850 | return NULL; | |
2851 | vc->fd_read = fd_read; | |
2852 | vc->fd_can_read = fd_can_read; | |
2853 | vc->opaque = opaque; | |
2854 | vc->vlan = vlan; | |
2855 | ||
2856 | vc->next = NULL; | |
2857 | pvc = &vlan->first_client; | |
2858 | while (*pvc != NULL) | |
2859 | pvc = &(*pvc)->next; | |
2860 | *pvc = vc; | |
2861 | return vc; | |
2862 | } | |
2863 | ||
2864 | int qemu_can_send_packet(VLANClientState *vc1) | |
2865 | { | |
2866 | VLANState *vlan = vc1->vlan; | |
2867 | VLANClientState *vc; | |
2868 | ||
2869 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
2870 | if (vc != vc1) { | |
2871 | if (vc->fd_can_read && !vc->fd_can_read(vc->opaque)) | |
2872 | return 0; | |
2873 | } | |
2874 | } | |
2875 | return 1; | |
2876 | } | |
2877 | ||
2878 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) | |
2879 | { | |
2880 | VLANState *vlan = vc1->vlan; | |
2881 | VLANClientState *vc; | |
2882 | ||
2883 | #if 0 | |
2884 | printf("vlan %d send:\n", vlan->id); | |
2885 | hex_dump(stdout, buf, size); | |
2886 | #endif | |
2887 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
2888 | if (vc != vc1) { | |
2889 | vc->fd_read(vc->opaque, buf, size); | |
2890 | } | |
2891 | } | |
2892 | } | |
2893 | ||
2894 | #if defined(CONFIG_SLIRP) | |
2895 | ||
2896 | /* slirp network adapter */ | |
2897 | ||
2898 | static int slirp_inited; | |
2899 | static VLANClientState *slirp_vc; | |
2900 | ||
2901 | int slirp_can_output(void) | |
2902 | { | |
2903 | return !slirp_vc || qemu_can_send_packet(slirp_vc); | |
2904 | } | |
2905 | ||
2906 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
2907 | { | |
2908 | #if 0 | |
2909 | printf("slirp output:\n"); | |
2910 | hex_dump(stdout, pkt, pkt_len); | |
2911 | #endif | |
2912 | if (!slirp_vc) | |
2913 | return; | |
2914 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
2915 | } | |
2916 | ||
2917 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
2918 | { | |
2919 | #if 0 | |
2920 | printf("slirp input:\n"); | |
2921 | hex_dump(stdout, buf, size); | |
2922 | #endif | |
2923 | slirp_input(buf, size); | |
2924 | } | |
2925 | ||
2926 | static int net_slirp_init(VLANState *vlan) | |
2927 | { | |
2928 | if (!slirp_inited) { | |
2929 | slirp_inited = 1; | |
2930 | slirp_init(); | |
2931 | } | |
2932 | slirp_vc = qemu_new_vlan_client(vlan, | |
2933 | slirp_receive, NULL, NULL); | |
2934 | snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); | |
2935 | return 0; | |
2936 | } | |
2937 | ||
2938 | static void net_slirp_redir(const char *redir_str) | |
2939 | { | |
2940 | int is_udp; | |
2941 | char buf[256], *r; | |
2942 | const char *p; | |
2943 | struct in_addr guest_addr; | |
2944 | int host_port, guest_port; | |
2945 | ||
2946 | if (!slirp_inited) { | |
2947 | slirp_inited = 1; | |
2948 | slirp_init(); | |
2949 | } | |
2950 | ||
2951 | p = redir_str; | |
2952 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
2953 | goto fail; | |
2954 | if (!strcmp(buf, "tcp")) { | |
2955 | is_udp = 0; | |
2956 | } else if (!strcmp(buf, "udp")) { | |
2957 | is_udp = 1; | |
2958 | } else { | |
2959 | goto fail; | |
2960 | } | |
2961 | ||
2962 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
2963 | goto fail; | |
2964 | host_port = strtol(buf, &r, 0); | |
2965 | if (r == buf) | |
2966 | goto fail; | |
2967 | ||
2968 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
2969 | goto fail; | |
2970 | if (buf[0] == '\0') { | |
2971 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
2972 | } | |
2973 | if (!inet_aton(buf, &guest_addr)) | |
2974 | goto fail; | |
2975 | ||
2976 | guest_port = strtol(p, &r, 0); | |
2977 | if (r == p) | |
2978 | goto fail; | |
2979 | ||
2980 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
2981 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
2982 | exit(1); | |
2983 | } | |
2984 | return; | |
2985 | fail: | |
2986 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
2987 | exit(1); | |
2988 | } | |
2989 | ||
2990 | #ifndef _WIN32 | |
2991 | ||
2992 | char smb_dir[1024]; | |
2993 | ||
2994 | static void smb_exit(void) | |
2995 | { | |
2996 | DIR *d; | |
2997 | struct dirent *de; | |
2998 | char filename[1024]; | |
2999 | ||
3000 | /* erase all the files in the directory */ | |
3001 | d = opendir(smb_dir); | |
3002 | for(;;) { | |
3003 | de = readdir(d); | |
3004 | if (!de) | |
3005 | break; | |
3006 | if (strcmp(de->d_name, ".") != 0 && | |
3007 | strcmp(de->d_name, "..") != 0) { | |
3008 | snprintf(filename, sizeof(filename), "%s/%s", | |
3009 | smb_dir, de->d_name); | |
3010 | unlink(filename); | |
3011 | } | |
3012 | } | |
3013 | closedir(d); | |
3014 | rmdir(smb_dir); | |
3015 | } | |
3016 | ||
3017 | /* automatic user mode samba server configuration */ | |
3018 | void net_slirp_smb(const char *exported_dir) | |
3019 | { | |
3020 | char smb_conf[1024]; | |
3021 | char smb_cmdline[1024]; | |
3022 | FILE *f; | |
3023 | ||
3024 | if (!slirp_inited) { | |
3025 | slirp_inited = 1; | |
3026 | slirp_init(); | |
3027 | } | |
3028 | ||
3029 | /* XXX: better tmp dir construction */ | |
3030 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
3031 | if (mkdir(smb_dir, 0700) < 0) { | |
3032 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
3033 | exit(1); | |
3034 | } | |
3035 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
3036 | ||
3037 | f = fopen(smb_conf, "w"); | |
3038 | if (!f) { | |
3039 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
3040 | exit(1); | |
3041 | } | |
3042 | fprintf(f, | |
3043 | "[global]\n" | |
3044 | "private dir=%s\n" | |
3045 | "smb ports=0\n" | |
3046 | "socket address=127.0.0.1\n" | |
3047 | "pid directory=%s\n" | |
3048 | "lock directory=%s\n" | |
3049 | "log file=%s/log.smbd\n" | |
3050 | "smb passwd file=%s/smbpasswd\n" | |
3051 | "security = share\n" | |
3052 | "[qemu]\n" | |
3053 | "path=%s\n" | |
3054 | "read only=no\n" | |
3055 | "guest ok=yes\n", | |
3056 | smb_dir, | |
3057 | smb_dir, | |
3058 | smb_dir, | |
3059 | smb_dir, | |
3060 | smb_dir, | |
3061 | exported_dir | |
3062 | ); | |
3063 | fclose(f); | |
3064 | atexit(smb_exit); | |
3065 | ||
3066 | snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", | |
3067 | smb_conf); | |
3068 | ||
3069 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
3070 | } | |
3071 | ||
3072 | #endif /* !defined(_WIN32) */ | |
3073 | ||
3074 | #endif /* CONFIG_SLIRP */ | |
3075 | ||
3076 | #if !defined(_WIN32) | |
3077 | ||
3078 | typedef struct TAPState { | |
3079 | VLANClientState *vc; | |
3080 | int fd; | |
3081 | } TAPState; | |
3082 | ||
3083 | static void tap_receive(void *opaque, const uint8_t *buf, int size) | |
3084 | { | |
3085 | TAPState *s = opaque; | |
3086 | int ret; | |
3087 | for(;;) { | |
3088 | ret = write(s->fd, buf, size); | |
3089 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
3090 | } else { | |
3091 | break; | |
3092 | } | |
3093 | } | |
3094 | } | |
3095 | ||
3096 | static void tap_send(void *opaque) | |
3097 | { | |
3098 | TAPState *s = opaque; | |
3099 | uint8_t buf[4096]; | |
3100 | int size; | |
3101 | ||
3102 | size = read(s->fd, buf, sizeof(buf)); | |
3103 | if (size > 0) { | |
3104 | qemu_send_packet(s->vc, buf, size); | |
3105 | } | |
3106 | } | |
3107 | ||
3108 | /* fd support */ | |
3109 | ||
3110 | static TAPState *net_tap_fd_init(VLANState *vlan, int fd) | |
3111 | { | |
3112 | TAPState *s; | |
3113 | ||
3114 | s = qemu_mallocz(sizeof(TAPState)); | |
3115 | if (!s) | |
3116 | return NULL; | |
3117 | s->fd = fd; | |
3118 | s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s); | |
3119 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); | |
3120 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); | |
3121 | return s; | |
3122 | } | |
3123 | ||
3124 | #ifdef _BSD | |
3125 | static int tap_open(char *ifname, int ifname_size) | |
3126 | { | |
3127 | int fd; | |
3128 | char *dev; | |
3129 | struct stat s; | |
3130 | ||
3131 | fd = open("/dev/tap", O_RDWR); | |
3132 | if (fd < 0) { | |
3133 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
3134 | return -1; | |
3135 | } | |
3136 | ||
3137 | fstat(fd, &s); | |
3138 | dev = devname(s.st_rdev, S_IFCHR); | |
3139 | pstrcpy(ifname, ifname_size, dev); | |
3140 | ||
3141 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3142 | return fd; | |
3143 | } | |
3144 | #elif defined(__sun__) | |
3145 | static int tap_open(char *ifname, int ifname_size) | |
3146 | { | |
3147 | fprintf(stderr, "warning: tap_open not yet implemented\n"); | |
3148 | return -1; | |
3149 | } | |
3150 | #else | |
3151 | static int tap_open(char *ifname, int ifname_size) | |
3152 | { | |
3153 | struct ifreq ifr; | |
3154 | int fd, ret; | |
3155 | ||
3156 | fd = open("/dev/net/tun", O_RDWR); | |
3157 | if (fd < 0) { | |
3158 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
3159 | return -1; | |
3160 | } | |
3161 | memset(&ifr, 0, sizeof(ifr)); | |
3162 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
3163 | if (ifname[0] != '\0') | |
3164 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
3165 | else | |
3166 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
3167 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
3168 | if (ret != 0) { | |
3169 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
3170 | close(fd); | |
3171 | return -1; | |
3172 | } | |
3173 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
3174 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3175 | return fd; | |
3176 | } | |
3177 | #endif | |
3178 | ||
3179 | static int net_tap_init(VLANState *vlan, const char *ifname1, | |
3180 | const char *setup_script) | |
3181 | { | |
3182 | TAPState *s; | |
3183 | int pid, status, fd; | |
3184 | char *args[3]; | |
3185 | char **parg; | |
3186 | char ifname[128]; | |
3187 | ||
3188 | if (ifname1 != NULL) | |
3189 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
3190 | else | |
3191 | ifname[0] = '\0'; | |
3192 | fd = tap_open(ifname, sizeof(ifname)); | |
3193 | if (fd < 0) | |
3194 | return -1; | |
3195 | ||
3196 | if (!setup_script) | |
3197 | setup_script = ""; | |
3198 | if (setup_script[0] != '\0') { | |
3199 | /* try to launch network init script */ | |
3200 | pid = fork(); | |
3201 | if (pid >= 0) { | |
3202 | if (pid == 0) { | |
3203 | parg = args; | |
3204 | *parg++ = (char *)setup_script; | |
3205 | *parg++ = ifname; | |
3206 | *parg++ = NULL; | |
3207 | execv(setup_script, args); | |
3208 | _exit(1); | |
3209 | } | |
3210 | while (waitpid(pid, &status, 0) != pid); | |
3211 | if (!WIFEXITED(status) || | |
3212 | WEXITSTATUS(status) != 0) { | |
3213 | fprintf(stderr, "%s: could not launch network script\n", | |
3214 | setup_script); | |
3215 | return -1; | |
3216 | } | |
3217 | } | |
3218 | } | |
3219 | s = net_tap_fd_init(vlan, fd); | |
3220 | if (!s) | |
3221 | return -1; | |
3222 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3223 | "tap: ifname=%s setup_script=%s", ifname, setup_script); | |
3224 | return 0; | |
3225 | } | |
3226 | ||
3227 | #endif /* !_WIN32 */ | |
3228 | ||
3229 | /* network connection */ | |
3230 | typedef struct NetSocketState { | |
3231 | VLANClientState *vc; | |
3232 | int fd; | |
3233 | int state; /* 0 = getting length, 1 = getting data */ | |
3234 | int index; | |
3235 | int packet_len; | |
3236 | uint8_t buf[4096]; | |
3237 | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ | |
3238 | } NetSocketState; | |
3239 | ||
3240 | typedef struct NetSocketListenState { | |
3241 | VLANState *vlan; | |
3242 | int fd; | |
3243 | } NetSocketListenState; | |
3244 | ||
3245 | /* XXX: we consider we can send the whole packet without blocking */ | |
3246 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
3247 | { | |
3248 | NetSocketState *s = opaque; | |
3249 | uint32_t len; | |
3250 | len = htonl(size); | |
3251 | ||
3252 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); | |
3253 | send_all(s->fd, buf, size); | |
3254 | } | |
3255 | ||
3256 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) | |
3257 | { | |
3258 | NetSocketState *s = opaque; | |
3259 | sendto(s->fd, buf, size, 0, | |
3260 | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); | |
3261 | } | |
3262 | ||
3263 | static void net_socket_send(void *opaque) | |
3264 | { | |
3265 | NetSocketState *s = opaque; | |
3266 | int l, size, err; | |
3267 | uint8_t buf1[4096]; | |
3268 | const uint8_t *buf; | |
3269 | ||
3270 | size = recv(s->fd, buf1, sizeof(buf1), 0); | |
3271 | if (size < 0) { | |
3272 | err = socket_error(); | |
3273 | if (err != EWOULDBLOCK) | |
3274 | goto eoc; | |
3275 | } else if (size == 0) { | |
3276 | /* end of connection */ | |
3277 | eoc: | |
3278 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3279 | closesocket(s->fd); | |
3280 | return; | |
3281 | } | |
3282 | buf = buf1; | |
3283 | while (size > 0) { | |
3284 | /* reassemble a packet from the network */ | |
3285 | switch(s->state) { | |
3286 | case 0: | |
3287 | l = 4 - s->index; | |
3288 | if (l > size) | |
3289 | l = size; | |
3290 | memcpy(s->buf + s->index, buf, l); | |
3291 | buf += l; | |
3292 | size -= l; | |
3293 | s->index += l; | |
3294 | if (s->index == 4) { | |
3295 | /* got length */ | |
3296 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
3297 | s->index = 0; | |
3298 | s->state = 1; | |
3299 | } | |
3300 | break; | |
3301 | case 1: | |
3302 | l = s->packet_len - s->index; | |
3303 | if (l > size) | |
3304 | l = size; | |
3305 | memcpy(s->buf + s->index, buf, l); | |
3306 | s->index += l; | |
3307 | buf += l; | |
3308 | size -= l; | |
3309 | if (s->index >= s->packet_len) { | |
3310 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
3311 | s->index = 0; | |
3312 | s->state = 0; | |
3313 | } | |
3314 | break; | |
3315 | } | |
3316 | } | |
3317 | } | |
3318 | ||
3319 | static void net_socket_send_dgram(void *opaque) | |
3320 | { | |
3321 | NetSocketState *s = opaque; | |
3322 | int size; | |
3323 | ||
3324 | size = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
3325 | if (size < 0) | |
3326 | return; | |
3327 | if (size == 0) { | |
3328 | /* end of connection */ | |
3329 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3330 | return; | |
3331 | } | |
3332 | qemu_send_packet(s->vc, s->buf, size); | |
3333 | } | |
3334 | ||
3335 | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) | |
3336 | { | |
3337 | struct ip_mreq imr; | |
3338 | int fd; | |
3339 | int val, ret; | |
3340 | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { | |
3341 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", | |
3342 | inet_ntoa(mcastaddr->sin_addr), | |
3343 | (int)ntohl(mcastaddr->sin_addr.s_addr)); | |
3344 | return -1; | |
3345 | ||
3346 | } | |
3347 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
3348 | if (fd < 0) { | |
3349 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
3350 | return -1; | |
3351 | } | |
3352 | ||
3353 | val = 1; | |
3354 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, | |
3355 | (const char *)&val, sizeof(val)); | |
3356 | if (ret < 0) { | |
3357 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); | |
3358 | goto fail; | |
3359 | } | |
3360 | ||
3361 | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); | |
3362 | if (ret < 0) { | |
3363 | perror("bind"); | |
3364 | goto fail; | |
3365 | } | |
3366 | ||
3367 | /* Add host to multicast group */ | |
3368 | imr.imr_multiaddr = mcastaddr->sin_addr; | |
3369 | imr.imr_interface.s_addr = htonl(INADDR_ANY); | |
3370 | ||
3371 | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
3372 | (const char *)&imr, sizeof(struct ip_mreq)); | |
3373 | if (ret < 0) { | |
3374 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); | |
3375 | goto fail; | |
3376 | } | |
3377 | ||
3378 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ | |
3379 | val = 1; | |
3380 | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, | |
3381 | (const char *)&val, sizeof(val)); | |
3382 | if (ret < 0) { | |
3383 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); | |
3384 | goto fail; | |
3385 | } | |
3386 | ||
3387 | socket_set_nonblock(fd); | |
3388 | return fd; | |
3389 | fail: | |
3390 | if (fd >= 0) | |
3391 | closesocket(fd); | |
3392 | return -1; | |
3393 | } | |
3394 | ||
3395 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, | |
3396 | int is_connected) | |
3397 | { | |
3398 | struct sockaddr_in saddr; | |
3399 | int newfd; | |
3400 | socklen_t saddr_len; | |
3401 | NetSocketState *s; | |
3402 | ||
3403 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it | |
3404 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() | |
3405 | * by ONLY ONE process: we must "clone" this dgram socket --jjo | |
3406 | */ | |
3407 | ||
3408 | if (is_connected) { | |
3409 | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { | |
3410 | /* must be bound */ | |
3411 | if (saddr.sin_addr.s_addr==0) { | |
3412 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", | |
3413 | fd); | |
3414 | return NULL; | |
3415 | } | |
3416 | /* clone dgram socket */ | |
3417 | newfd = net_socket_mcast_create(&saddr); | |
3418 | if (newfd < 0) { | |
3419 | /* error already reported by net_socket_mcast_create() */ | |
3420 | close(fd); | |
3421 | return NULL; | |
3422 | } | |
3423 | /* clone newfd to fd, close newfd */ | |
3424 | dup2(newfd, fd); | |
3425 | close(newfd); | |
3426 | ||
3427 | } else { | |
3428 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", | |
3429 | fd, strerror(errno)); | |
3430 | return NULL; | |
3431 | } | |
3432 | } | |
3433 | ||
3434 | s = qemu_mallocz(sizeof(NetSocketState)); | |
3435 | if (!s) | |
3436 | return NULL; | |
3437 | s->fd = fd; | |
3438 | ||
3439 | s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s); | |
3440 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); | |
3441 | ||
3442 | /* mcast: save bound address as dst */ | |
3443 | if (is_connected) s->dgram_dst=saddr; | |
3444 | ||
3445 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3446 | "socket: fd=%d (%s mcast=%s:%d)", | |
3447 | fd, is_connected? "cloned" : "", | |
3448 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3449 | return s; | |
3450 | } | |
3451 | ||
3452 | static void net_socket_connect(void *opaque) | |
3453 | { | |
3454 | NetSocketState *s = opaque; | |
3455 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
3456 | } | |
3457 | ||
3458 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, | |
3459 | int is_connected) | |
3460 | { | |
3461 | NetSocketState *s; | |
3462 | s = qemu_mallocz(sizeof(NetSocketState)); | |
3463 | if (!s) | |
3464 | return NULL; | |
3465 | s->fd = fd; | |
3466 | s->vc = qemu_new_vlan_client(vlan, | |
3467 | net_socket_receive, NULL, s); | |
3468 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3469 | "socket: fd=%d", fd); | |
3470 | if (is_connected) { | |
3471 | net_socket_connect(s); | |
3472 | } else { | |
3473 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
3474 | } | |
3475 | return s; | |
3476 | } | |
3477 | ||
3478 | static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, | |
3479 | int is_connected) | |
3480 | { | |
3481 | int so_type=-1, optlen=sizeof(so_type); | |
3482 | ||
3483 | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) { | |
3484 | fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd); | |
3485 | return NULL; | |
3486 | } | |
3487 | switch(so_type) { | |
3488 | case SOCK_DGRAM: | |
3489 | return net_socket_fd_init_dgram(vlan, fd, is_connected); | |
3490 | case SOCK_STREAM: | |
3491 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
3492 | default: | |
3493 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ | |
3494 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); | |
3495 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
3496 | } | |
3497 | return NULL; | |
3498 | } | |
3499 | ||
3500 | static void net_socket_accept(void *opaque) | |
3501 | { | |
3502 | NetSocketListenState *s = opaque; | |
3503 | NetSocketState *s1; | |
3504 | struct sockaddr_in saddr; | |
3505 | socklen_t len; | |
3506 | int fd; | |
3507 | ||
3508 | for(;;) { | |
3509 | len = sizeof(saddr); | |
3510 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
3511 | if (fd < 0 && errno != EINTR) { | |
3512 | return; | |
3513 | } else if (fd >= 0) { | |
3514 | break; | |
3515 | } | |
3516 | } | |
3517 | s1 = net_socket_fd_init(s->vlan, fd, 1); | |
3518 | if (!s1) { | |
3519 | closesocket(fd); | |
3520 | } else { | |
3521 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
3522 | "socket: connection from %s:%d", | |
3523 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3524 | } | |
3525 | } | |
3526 | ||
3527 | static int net_socket_listen_init(VLANState *vlan, const char *host_str) | |
3528 | { | |
3529 | NetSocketListenState *s; | |
3530 | int fd, val, ret; | |
3531 | struct sockaddr_in saddr; | |
3532 | ||
3533 | if (parse_host_port(&saddr, host_str) < 0) | |
3534 | return -1; | |
3535 | ||
3536 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
3537 | if (!s) | |
3538 | return -1; | |
3539 | ||
3540 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
3541 | if (fd < 0) { | |
3542 | perror("socket"); | |
3543 | return -1; | |
3544 | } | |
3545 | socket_set_nonblock(fd); | |
3546 | ||
3547 | /* allow fast reuse */ | |
3548 | val = 1; | |
3549 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
3550 | ||
3551 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
3552 | if (ret < 0) { | |
3553 | perror("bind"); | |
3554 | return -1; | |
3555 | } | |
3556 | ret = listen(fd, 0); | |
3557 | if (ret < 0) { | |
3558 | perror("listen"); | |
3559 | return -1; | |
3560 | } | |
3561 | s->vlan = vlan; | |
3562 | s->fd = fd; | |
3563 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
3564 | return 0; | |
3565 | } | |
3566 | ||
3567 | static int net_socket_connect_init(VLANState *vlan, const char *host_str) | |
3568 | { | |
3569 | NetSocketState *s; | |
3570 | int fd, connected, ret, err; | |
3571 | struct sockaddr_in saddr; | |
3572 | ||
3573 | if (parse_host_port(&saddr, host_str) < 0) | |
3574 | return -1; | |
3575 | ||
3576 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
3577 | if (fd < 0) { | |
3578 | perror("socket"); | |
3579 | return -1; | |
3580 | } | |
3581 | socket_set_nonblock(fd); | |
3582 | ||
3583 | connected = 0; | |
3584 | for(;;) { | |
3585 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
3586 | if (ret < 0) { | |
3587 | err = socket_error(); | |
3588 | if (err == EINTR || err == EWOULDBLOCK) { | |
3589 | } else if (err == EINPROGRESS) { | |
3590 | break; | |
3591 | } else { | |
3592 | perror("connect"); | |
3593 | closesocket(fd); | |
3594 | return -1; | |
3595 | } | |
3596 | } else { | |
3597 | connected = 1; | |
3598 | break; | |
3599 | } | |
3600 | } | |
3601 | s = net_socket_fd_init(vlan, fd, connected); | |
3602 | if (!s) | |
3603 | return -1; | |
3604 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3605 | "socket: connect to %s:%d", | |
3606 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3607 | return 0; | |
3608 | } | |
3609 | ||
3610 | static int net_socket_mcast_init(VLANState *vlan, const char *host_str) | |
3611 | { | |
3612 | NetSocketState *s; | |
3613 | int fd; | |
3614 | struct sockaddr_in saddr; | |
3615 | ||
3616 | if (parse_host_port(&saddr, host_str) < 0) | |
3617 | return -1; | |
3618 | ||
3619 | ||
3620 | fd = net_socket_mcast_create(&saddr); | |
3621 | if (fd < 0) | |
3622 | return -1; | |
3623 | ||
3624 | s = net_socket_fd_init(vlan, fd, 0); | |
3625 | if (!s) | |
3626 | return -1; | |
3627 | ||
3628 | s->dgram_dst = saddr; | |
3629 | ||
3630 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3631 | "socket: mcast=%s:%d", | |
3632 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3633 | return 0; | |
3634 | ||
3635 | } | |
3636 | ||
3637 | static int get_param_value(char *buf, int buf_size, | |
3638 | const char *tag, const char *str) | |
3639 | { | |
3640 | const char *p; | |
3641 | char *q; | |
3642 | char option[128]; | |
3643 | ||
3644 | p = str; | |
3645 | for(;;) { | |
3646 | q = option; | |
3647 | while (*p != '\0' && *p != '=') { | |
3648 | if ((q - option) < sizeof(option) - 1) | |
3649 | *q++ = *p; | |
3650 | p++; | |
3651 | } | |
3652 | *q = '\0'; | |
3653 | if (*p != '=') | |
3654 | break; | |
3655 | p++; | |
3656 | if (!strcmp(tag, option)) { | |
3657 | q = buf; | |
3658 | while (*p != '\0' && *p != ',') { | |
3659 | if ((q - buf) < buf_size - 1) | |
3660 | *q++ = *p; | |
3661 | p++; | |
3662 | } | |
3663 | *q = '\0'; | |
3664 | return q - buf; | |
3665 | } else { | |
3666 | while (*p != '\0' && *p != ',') { | |
3667 | p++; | |
3668 | } | |
3669 | } | |
3670 | if (*p != ',') | |
3671 | break; | |
3672 | p++; | |
3673 | } | |
3674 | return 0; | |
3675 | } | |
3676 | ||
3677 | int net_client_init(const char *str) | |
3678 | { | |
3679 | const char *p; | |
3680 | char *q; | |
3681 | char device[64]; | |
3682 | char buf[1024]; | |
3683 | int vlan_id, ret; | |
3684 | VLANState *vlan; | |
3685 | ||
3686 | p = str; | |
3687 | q = device; | |
3688 | while (*p != '\0' && *p != ',') { | |
3689 | if ((q - device) < sizeof(device) - 1) | |
3690 | *q++ = *p; | |
3691 | p++; | |
3692 | } | |
3693 | *q = '\0'; | |
3694 | if (*p == ',') | |
3695 | p++; | |
3696 | vlan_id = 0; | |
3697 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
3698 | vlan_id = strtol(buf, NULL, 0); | |
3699 | } | |
3700 | vlan = qemu_find_vlan(vlan_id); | |
3701 | if (!vlan) { | |
3702 | fprintf(stderr, "Could not create vlan %d\n", vlan_id); | |
3703 | return -1; | |
3704 | } | |
3705 | if (!strcmp(device, "nic")) { | |
3706 | NICInfo *nd; | |
3707 | uint8_t *macaddr; | |
3708 | ||
3709 | if (nb_nics >= MAX_NICS) { | |
3710 | fprintf(stderr, "Too Many NICs\n"); | |
3711 | return -1; | |
3712 | } | |
3713 | nd = &nd_table[nb_nics]; | |
3714 | macaddr = nd->macaddr; | |
3715 | macaddr[0] = 0x52; | |
3716 | macaddr[1] = 0x54; | |
3717 | macaddr[2] = 0x00; | |
3718 | macaddr[3] = 0x12; | |
3719 | macaddr[4] = 0x34; | |
3720 | macaddr[5] = 0x56 + nb_nics; | |
3721 | ||
3722 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
3723 | if (parse_macaddr(macaddr, buf) < 0) { | |
3724 | fprintf(stderr, "invalid syntax for ethernet address\n"); | |
3725 | return -1; | |
3726 | } | |
3727 | } | |
3728 | if (get_param_value(buf, sizeof(buf), "model", p)) { | |
3729 | nd->model = strdup(buf); | |
3730 | } | |
3731 | nd->vlan = vlan; | |
3732 | nb_nics++; | |
3733 | ret = 0; | |
3734 | } else | |
3735 | if (!strcmp(device, "none")) { | |
3736 | /* does nothing. It is needed to signal that no network cards | |
3737 | are wanted */ | |
3738 | ret = 0; | |
3739 | } else | |
3740 | #ifdef CONFIG_SLIRP | |
3741 | if (!strcmp(device, "user")) { | |
3742 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { | |
3743 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); | |
3744 | } | |
3745 | ret = net_slirp_init(vlan); | |
3746 | } else | |
3747 | #endif | |
3748 | #ifdef _WIN32 | |
3749 | if (!strcmp(device, "tap")) { | |
3750 | char ifname[64]; | |
3751 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
3752 | fprintf(stderr, "tap: no interface name\n"); | |
3753 | return -1; | |
3754 | } | |
3755 | ret = tap_win32_init(vlan, ifname); | |
3756 | } else | |
3757 | #else | |
3758 | if (!strcmp(device, "tap")) { | |
3759 | char ifname[64]; | |
3760 | char setup_script[1024]; | |
3761 | int fd; | |
3762 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
3763 | fd = strtol(buf, NULL, 0); | |
3764 | ret = -1; | |
3765 | if (net_tap_fd_init(vlan, fd)) | |
3766 | ret = 0; | |
3767 | } else { | |
3768 | get_param_value(ifname, sizeof(ifname), "ifname", p); | |
3769 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
3770 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
3771 | } | |
3772 | ret = net_tap_init(vlan, ifname, setup_script); | |
3773 | } | |
3774 | } else | |
3775 | #endif | |
3776 | if (!strcmp(device, "socket")) { | |
3777 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
3778 | int fd; | |
3779 | fd = strtol(buf, NULL, 0); | |
3780 | ret = -1; | |
3781 | if (net_socket_fd_init(vlan, fd, 1)) | |
3782 | ret = 0; | |
3783 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
3784 | ret = net_socket_listen_init(vlan, buf); | |
3785 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { | |
3786 | ret = net_socket_connect_init(vlan, buf); | |
3787 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { | |
3788 | ret = net_socket_mcast_init(vlan, buf); | |
3789 | } else { | |
3790 | fprintf(stderr, "Unknown socket options: %s\n", p); | |
3791 | return -1; | |
3792 | } | |
3793 | } else | |
3794 | { | |
3795 | fprintf(stderr, "Unknown network device: %s\n", device); | |
3796 | return -1; | |
3797 | } | |
3798 | if (ret < 0) { | |
3799 | fprintf(stderr, "Could not initialize device '%s'\n", device); | |
3800 | } | |
3801 | ||
3802 | return ret; | |
3803 | } | |
3804 | ||
3805 | void do_info_network(void) | |
3806 | { | |
3807 | VLANState *vlan; | |
3808 | VLANClientState *vc; | |
3809 | ||
3810 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
3811 | term_printf("VLAN %d devices:\n", vlan->id); | |
3812 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
3813 | term_printf(" %s\n", vc->info_str); | |
3814 | } | |
3815 | } | |
3816 | ||
3817 | /***********************************************************/ | |
3818 | /* USB devices */ | |
3819 | ||
3820 | static USBPort *used_usb_ports; | |
3821 | static USBPort *free_usb_ports; | |
3822 | ||
3823 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
3824 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
3825 | usb_attachfn attach) | |
3826 | { | |
3827 | port->opaque = opaque; | |
3828 | port->index = index; | |
3829 | port->attach = attach; | |
3830 | port->next = free_usb_ports; | |
3831 | free_usb_ports = port; | |
3832 | } | |
3833 | ||
3834 | static int usb_device_add(const char *devname) | |
3835 | { | |
3836 | const char *p; | |
3837 | USBDevice *dev; | |
3838 | USBPort *port; | |
3839 | ||
3840 | if (!free_usb_ports) | |
3841 | return -1; | |
3842 | ||
3843 | if (strstart(devname, "host:", &p)) { | |
3844 | dev = usb_host_device_open(p); | |
3845 | } else if (!strcmp(devname, "mouse")) { | |
3846 | dev = usb_mouse_init(); | |
3847 | } else if (!strcmp(devname, "tablet")) { | |
3848 | dev = usb_tablet_init(); | |
3849 | } else if (strstart(devname, "disk:", &p)) { | |
3850 | dev = usb_msd_init(p); | |
3851 | } else { | |
3852 | return -1; | |
3853 | } | |
3854 | if (!dev) | |
3855 | return -1; | |
3856 | ||
3857 | /* Find a USB port to add the device to. */ | |
3858 | port = free_usb_ports; | |
3859 | if (!port->next) { | |
3860 | USBDevice *hub; | |
3861 | ||
3862 | /* Create a new hub and chain it on. */ | |
3863 | free_usb_ports = NULL; | |
3864 | port->next = used_usb_ports; | |
3865 | used_usb_ports = port; | |
3866 | ||
3867 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
3868 | usb_attach(port, hub); | |
3869 | port = free_usb_ports; | |
3870 | } | |
3871 | ||
3872 | free_usb_ports = port->next; | |
3873 | port->next = used_usb_ports; | |
3874 | used_usb_ports = port; | |
3875 | usb_attach(port, dev); | |
3876 | return 0; | |
3877 | } | |
3878 | ||
3879 | static int usb_device_del(const char *devname) | |
3880 | { | |
3881 | USBPort *port; | |
3882 | USBPort **lastp; | |
3883 | USBDevice *dev; | |
3884 | int bus_num, addr; | |
3885 | const char *p; | |
3886 | ||
3887 | if (!used_usb_ports) | |
3888 | return -1; | |
3889 | ||
3890 | p = strchr(devname, '.'); | |
3891 | if (!p) | |
3892 | return -1; | |
3893 | bus_num = strtoul(devname, NULL, 0); | |
3894 | addr = strtoul(p + 1, NULL, 0); | |
3895 | if (bus_num != 0) | |
3896 | return -1; | |
3897 | ||
3898 | lastp = &used_usb_ports; | |
3899 | port = used_usb_ports; | |
3900 | while (port && port->dev->addr != addr) { | |
3901 | lastp = &port->next; | |
3902 | port = port->next; | |
3903 | } | |
3904 | ||
3905 | if (!port) | |
3906 | return -1; | |
3907 | ||
3908 | dev = port->dev; | |
3909 | *lastp = port->next; | |
3910 | usb_attach(port, NULL); | |
3911 | dev->handle_destroy(dev); | |
3912 | port->next = free_usb_ports; | |
3913 | free_usb_ports = port; | |
3914 | return 0; | |
3915 | } | |
3916 | ||
3917 | void do_usb_add(const char *devname) | |
3918 | { | |
3919 | int ret; | |
3920 | ret = usb_device_add(devname); | |
3921 | if (ret < 0) | |
3922 | term_printf("Could not add USB device '%s'\n", devname); | |
3923 | } | |
3924 | ||
3925 | void do_usb_del(const char *devname) | |
3926 | { | |
3927 | int ret; | |
3928 | ret = usb_device_del(devname); | |
3929 | if (ret < 0) | |
3930 | term_printf("Could not remove USB device '%s'\n", devname); | |
3931 | } | |
3932 | ||
3933 | void usb_info(void) | |
3934 | { | |
3935 | USBDevice *dev; | |
3936 | USBPort *port; | |
3937 | const char *speed_str; | |
3938 | ||
3939 | if (!usb_enabled) { | |
3940 | term_printf("USB support not enabled\n"); | |
3941 | return; | |
3942 | } | |
3943 | ||
3944 | for (port = used_usb_ports; port; port = port->next) { | |
3945 | dev = port->dev; | |
3946 | if (!dev) | |
3947 | continue; | |
3948 | switch(dev->speed) { | |
3949 | case USB_SPEED_LOW: | |
3950 | speed_str = "1.5"; | |
3951 | break; | |
3952 | case USB_SPEED_FULL: | |
3953 | speed_str = "12"; | |
3954 | break; | |
3955 | case USB_SPEED_HIGH: | |
3956 | speed_str = "480"; | |
3957 | break; | |
3958 | default: | |
3959 | speed_str = "?"; | |
3960 | break; | |
3961 | } | |
3962 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", | |
3963 | 0, dev->addr, speed_str, dev->devname); | |
3964 | } | |
3965 | } | |
3966 | ||
3967 | /***********************************************************/ | |
3968 | /* pid file */ | |
3969 | ||
3970 | static char *pid_filename; | |
3971 | ||
3972 | /* Remove PID file. Called on normal exit */ | |
3973 | ||
3974 | static void remove_pidfile(void) | |
3975 | { | |
3976 | unlink (pid_filename); | |
3977 | } | |
3978 | ||
3979 | static void create_pidfile(const char *filename) | |
3980 | { | |
3981 | struct stat pidstat; | |
3982 | FILE *f; | |
3983 | ||
3984 | /* Try to write our PID to the named file */ | |
3985 | if (stat(filename, &pidstat) < 0) { | |
3986 | if (errno == ENOENT) { | |
3987 | if ((f = fopen (filename, "w")) == NULL) { | |
3988 | perror("Opening pidfile"); | |
3989 | exit(1); | |
3990 | } | |
3991 | fprintf(f, "%d\n", getpid()); | |
3992 | fclose(f); | |
3993 | pid_filename = qemu_strdup(filename); | |
3994 | if (!pid_filename) { | |
3995 | fprintf(stderr, "Could not save PID filename"); | |
3996 | exit(1); | |
3997 | } | |
3998 | atexit(remove_pidfile); | |
3999 | } | |
4000 | } else { | |
4001 | fprintf(stderr, "%s already exists. Remove it and try again.\n", | |
4002 | filename); | |
4003 | exit(1); | |
4004 | } | |
4005 | } | |
4006 | ||
4007 | /***********************************************************/ | |
4008 | /* dumb display */ | |
4009 | ||
4010 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
4011 | { | |
4012 | } | |
4013 | ||
4014 | static void dumb_resize(DisplayState *ds, int w, int h) | |
4015 | { | |
4016 | } | |
4017 | ||
4018 | static void dumb_refresh(DisplayState *ds) | |
4019 | { | |
4020 | vga_hw_update(); | |
4021 | } | |
4022 | ||
4023 | void dumb_display_init(DisplayState *ds) | |
4024 | { | |
4025 | ds->data = NULL; | |
4026 | ds->linesize = 0; | |
4027 | ds->depth = 0; | |
4028 | ds->dpy_update = dumb_update; | |
4029 | ds->dpy_resize = dumb_resize; | |
4030 | ds->dpy_refresh = dumb_refresh; | |
4031 | } | |
4032 | ||
4033 | /***********************************************************/ | |
4034 | /* I/O handling */ | |
4035 | ||
4036 | #define MAX_IO_HANDLERS 64 | |
4037 | ||
4038 | typedef struct IOHandlerRecord { | |
4039 | int fd; | |
4040 | IOCanRWHandler *fd_read_poll; | |
4041 | IOHandler *fd_read; | |
4042 | IOHandler *fd_write; | |
4043 | void *opaque; | |
4044 | /* temporary data */ | |
4045 | struct pollfd *ufd; | |
4046 | struct IOHandlerRecord *next; | |
4047 | } IOHandlerRecord; | |
4048 | ||
4049 | static IOHandlerRecord *first_io_handler; | |
4050 | ||
4051 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
4052 | necessary in the character devices to suppress fd_can_read(). */ | |
4053 | int qemu_set_fd_handler2(int fd, | |
4054 | IOCanRWHandler *fd_read_poll, | |
4055 | IOHandler *fd_read, | |
4056 | IOHandler *fd_write, | |
4057 | void *opaque) | |
4058 | { | |
4059 | IOHandlerRecord **pioh, *ioh; | |
4060 | ||
4061 | if (!fd_read && !fd_write) { | |
4062 | pioh = &first_io_handler; | |
4063 | for(;;) { | |
4064 | ioh = *pioh; | |
4065 | if (ioh == NULL) | |
4066 | break; | |
4067 | if (ioh->fd == fd) { | |
4068 | *pioh = ioh->next; | |
4069 | qemu_free(ioh); | |
4070 | break; | |
4071 | } | |
4072 | pioh = &ioh->next; | |
4073 | } | |
4074 | } else { | |
4075 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
4076 | if (ioh->fd == fd) | |
4077 | goto found; | |
4078 | } | |
4079 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
4080 | if (!ioh) | |
4081 | return -1; | |
4082 | ioh->next = first_io_handler; | |
4083 | first_io_handler = ioh; | |
4084 | found: | |
4085 | ioh->fd = fd; | |
4086 | ioh->fd_read_poll = fd_read_poll; | |
4087 | ioh->fd_read = fd_read; | |
4088 | ioh->fd_write = fd_write; | |
4089 | ioh->opaque = opaque; | |
4090 | } | |
4091 | return 0; | |
4092 | } | |
4093 | ||
4094 | int qemu_set_fd_handler(int fd, | |
4095 | IOHandler *fd_read, | |
4096 | IOHandler *fd_write, | |
4097 | void *opaque) | |
4098 | { | |
4099 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
4100 | } | |
4101 | ||
4102 | /***********************************************************/ | |
4103 | /* Polling handling */ | |
4104 | ||
4105 | typedef struct PollingEntry { | |
4106 | PollingFunc *func; | |
4107 | void *opaque; | |
4108 | struct PollingEntry *next; | |
4109 | } PollingEntry; | |
4110 | ||
4111 | static PollingEntry *first_polling_entry; | |
4112 | ||
4113 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
4114 | { | |
4115 | PollingEntry **ppe, *pe; | |
4116 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
4117 | if (!pe) | |
4118 | return -1; | |
4119 | pe->func = func; | |
4120 | pe->opaque = opaque; | |
4121 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
4122 | *ppe = pe; | |
4123 | return 0; | |
4124 | } | |
4125 | ||
4126 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
4127 | { | |
4128 | PollingEntry **ppe, *pe; | |
4129 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
4130 | pe = *ppe; | |
4131 | if (pe->func == func && pe->opaque == opaque) { | |
4132 | *ppe = pe->next; | |
4133 | qemu_free(pe); | |
4134 | break; | |
4135 | } | |
4136 | } | |
4137 | } | |
4138 | ||
4139 | #ifdef _WIN32 | |
4140 | /***********************************************************/ | |
4141 | /* Wait objects support */ | |
4142 | typedef struct WaitObjects { | |
4143 | int num; | |
4144 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
4145 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
4146 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
4147 | } WaitObjects; | |
4148 | ||
4149 | static WaitObjects wait_objects = {0}; | |
4150 | ||
4151 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
4152 | { | |
4153 | WaitObjects *w = &wait_objects; | |
4154 | ||
4155 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
4156 | return -1; | |
4157 | w->events[w->num] = handle; | |
4158 | w->func[w->num] = func; | |
4159 | w->opaque[w->num] = opaque; | |
4160 | w->num++; | |
4161 | return 0; | |
4162 | } | |
4163 | ||
4164 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
4165 | { | |
4166 | int i, found; | |
4167 | WaitObjects *w = &wait_objects; | |
4168 | ||
4169 | found = 0; | |
4170 | for (i = 0; i < w->num; i++) { | |
4171 | if (w->events[i] == handle) | |
4172 | found = 1; | |
4173 | if (found) { | |
4174 | w->events[i] = w->events[i + 1]; | |
4175 | w->func[i] = w->func[i + 1]; | |
4176 | w->opaque[i] = w->opaque[i + 1]; | |
4177 | } | |
4178 | } | |
4179 | if (found) | |
4180 | w->num--; | |
4181 | } | |
4182 | #endif | |
4183 | ||
4184 | /***********************************************************/ | |
4185 | /* savevm/loadvm support */ | |
4186 | ||
4187 | #define IO_BUF_SIZE 32768 | |
4188 | ||
4189 | struct QEMUFile { | |
4190 | FILE *outfile; | |
4191 | BlockDriverState *bs; | |
4192 | int is_file; | |
4193 | int is_writable; | |
4194 | int64_t base_offset; | |
4195 | int64_t buf_offset; /* start of buffer when writing, end of buffer | |
4196 | when reading */ | |
4197 | int buf_index; | |
4198 | int buf_size; /* 0 when writing */ | |
4199 | uint8_t buf[IO_BUF_SIZE]; | |
4200 | }; | |
4201 | ||
4202 | QEMUFile *qemu_fopen(const char *filename, const char *mode) | |
4203 | { | |
4204 | QEMUFile *f; | |
4205 | ||
4206 | f = qemu_mallocz(sizeof(QEMUFile)); | |
4207 | if (!f) | |
4208 | return NULL; | |
4209 | if (!strcmp(mode, "wb")) { | |
4210 | f->is_writable = 1; | |
4211 | } else if (!strcmp(mode, "rb")) { | |
4212 | f->is_writable = 0; | |
4213 | } else { | |
4214 | goto fail; | |
4215 | } | |
4216 | f->outfile = fopen(filename, mode); | |
4217 | if (!f->outfile) | |
4218 | goto fail; | |
4219 | f->is_file = 1; | |
4220 | return f; | |
4221 | fail: | |
4222 | if (f->outfile) | |
4223 | fclose(f->outfile); | |
4224 | qemu_free(f); | |
4225 | return NULL; | |
4226 | } | |
4227 | ||
4228 | QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) | |
4229 | { | |
4230 | QEMUFile *f; | |
4231 | ||
4232 | f = qemu_mallocz(sizeof(QEMUFile)); | |
4233 | if (!f) | |
4234 | return NULL; | |
4235 | f->is_file = 0; | |
4236 | f->bs = bs; | |
4237 | f->is_writable = is_writable; | |
4238 | f->base_offset = offset; | |
4239 | return f; | |
4240 | } | |
4241 | ||
4242 | void qemu_fflush(QEMUFile *f) | |
4243 | { | |
4244 | if (!f->is_writable) | |
4245 | return; | |
4246 | if (f->buf_index > 0) { | |
4247 | if (f->is_file) { | |
4248 | fseek(f->outfile, f->buf_offset, SEEK_SET); | |
4249 | fwrite(f->buf, 1, f->buf_index, f->outfile); | |
4250 | } else { | |
4251 | bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, | |
4252 | f->buf, f->buf_index); | |
4253 | } | |
4254 | f->buf_offset += f->buf_index; | |
4255 | f->buf_index = 0; | |
4256 | } | |
4257 | } | |
4258 | ||
4259 | static void qemu_fill_buffer(QEMUFile *f) | |
4260 | { | |
4261 | int len; | |
4262 | ||
4263 | if (f->is_writable) | |
4264 | return; | |
4265 | if (f->is_file) { | |
4266 | fseek(f->outfile, f->buf_offset, SEEK_SET); | |
4267 | len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile); | |
4268 | if (len < 0) | |
4269 | len = 0; | |
4270 | } else { | |
4271 | len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, | |
4272 | f->buf, IO_BUF_SIZE); | |
4273 | if (len < 0) | |
4274 | len = 0; | |
4275 | } | |
4276 | f->buf_index = 0; | |
4277 | f->buf_size = len; | |
4278 | f->buf_offset += len; | |
4279 | } | |
4280 | ||
4281 | void qemu_fclose(QEMUFile *f) | |
4282 | { | |
4283 | if (f->is_writable) | |
4284 | qemu_fflush(f); | |
4285 | if (f->is_file) { | |
4286 | fclose(f->outfile); | |
4287 | } | |
4288 | qemu_free(f); | |
4289 | } | |
4290 | ||
4291 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
4292 | { | |
4293 | int l; | |
4294 | while (size > 0) { | |
4295 | l = IO_BUF_SIZE - f->buf_index; | |
4296 | if (l > size) | |
4297 | l = size; | |
4298 | memcpy(f->buf + f->buf_index, buf, l); | |
4299 | f->buf_index += l; | |
4300 | buf += l; | |
4301 | size -= l; | |
4302 | if (f->buf_index >= IO_BUF_SIZE) | |
4303 | qemu_fflush(f); | |
4304 | } | |
4305 | } | |
4306 | ||
4307 | void qemu_put_byte(QEMUFile *f, int v) | |
4308 | { | |
4309 | f->buf[f->buf_index++] = v; | |
4310 | if (f->buf_index >= IO_BUF_SIZE) | |
4311 | qemu_fflush(f); | |
4312 | } | |
4313 | ||
4314 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) | |
4315 | { | |
4316 | int size, l; | |
4317 | ||
4318 | size = size1; | |
4319 | while (size > 0) { | |
4320 | l = f->buf_size - f->buf_index; | |
4321 | if (l == 0) { | |
4322 | qemu_fill_buffer(f); | |
4323 | l = f->buf_size - f->buf_index; | |
4324 | if (l == 0) | |
4325 | break; | |
4326 | } | |
4327 | if (l > size) | |
4328 | l = size; | |
4329 | memcpy(buf, f->buf + f->buf_index, l); | |
4330 | f->buf_index += l; | |
4331 | buf += l; | |
4332 | size -= l; | |
4333 | } | |
4334 | return size1 - size; | |
4335 | } | |
4336 | ||
4337 | int qemu_get_byte(QEMUFile *f) | |
4338 | { | |
4339 | if (f->buf_index >= f->buf_size) { | |
4340 | qemu_fill_buffer(f); | |
4341 | if (f->buf_index >= f->buf_size) | |
4342 | return 0; | |
4343 | } | |
4344 | return f->buf[f->buf_index++]; | |
4345 | } | |
4346 | ||
4347 | int64_t qemu_ftell(QEMUFile *f) | |
4348 | { | |
4349 | return f->buf_offset - f->buf_size + f->buf_index; | |
4350 | } | |
4351 | ||
4352 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
4353 | { | |
4354 | if (whence == SEEK_SET) { | |
4355 | /* nothing to do */ | |
4356 | } else if (whence == SEEK_CUR) { | |
4357 | pos += qemu_ftell(f); | |
4358 | } else { | |
4359 | /* SEEK_END not supported */ | |
4360 | return -1; | |
4361 | } | |
4362 | if (f->is_writable) { | |
4363 | qemu_fflush(f); | |
4364 | f->buf_offset = pos; | |
4365 | } else { | |
4366 | f->buf_offset = pos; | |
4367 | f->buf_index = 0; | |
4368 | f->buf_size = 0; | |
4369 | } | |
4370 | return pos; | |
4371 | } | |
4372 | ||
4373 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
4374 | { | |
4375 | qemu_put_byte(f, v >> 8); | |
4376 | qemu_put_byte(f, v); | |
4377 | } | |
4378 | ||
4379 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
4380 | { | |
4381 | qemu_put_byte(f, v >> 24); | |
4382 | qemu_put_byte(f, v >> 16); | |
4383 | qemu_put_byte(f, v >> 8); | |
4384 | qemu_put_byte(f, v); | |
4385 | } | |
4386 | ||
4387 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
4388 | { | |
4389 | qemu_put_be32(f, v >> 32); | |
4390 | qemu_put_be32(f, v); | |
4391 | } | |
4392 | ||
4393 | unsigned int qemu_get_be16(QEMUFile *f) | |
4394 | { | |
4395 | unsigned int v; | |
4396 | v = qemu_get_byte(f) << 8; | |
4397 | v |= qemu_get_byte(f); | |
4398 | return v; | |
4399 | } | |
4400 | ||
4401 | unsigned int qemu_get_be32(QEMUFile *f) | |
4402 | { | |
4403 | unsigned int v; | |
4404 | v = qemu_get_byte(f) << 24; | |
4405 | v |= qemu_get_byte(f) << 16; | |
4406 | v |= qemu_get_byte(f) << 8; | |
4407 | v |= qemu_get_byte(f); | |
4408 | return v; | |
4409 | } | |
4410 | ||
4411 | uint64_t qemu_get_be64(QEMUFile *f) | |
4412 | { | |
4413 | uint64_t v; | |
4414 | v = (uint64_t)qemu_get_be32(f) << 32; | |
4415 | v |= qemu_get_be32(f); | |
4416 | return v; | |
4417 | } | |
4418 | ||
4419 | typedef struct SaveStateEntry { | |
4420 | char idstr[256]; | |
4421 | int instance_id; | |
4422 | int version_id; | |
4423 | SaveStateHandler *save_state; | |
4424 | LoadStateHandler *load_state; | |
4425 | void *opaque; | |
4426 | struct SaveStateEntry *next; | |
4427 | } SaveStateEntry; | |
4428 | ||
4429 | static SaveStateEntry *first_se; | |
4430 | ||
4431 | int register_savevm(const char *idstr, | |
4432 | int instance_id, | |
4433 | int version_id, | |
4434 | SaveStateHandler *save_state, | |
4435 | LoadStateHandler *load_state, | |
4436 | void *opaque) | |
4437 | { | |
4438 | SaveStateEntry *se, **pse; | |
4439 | ||
4440 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
4441 | if (!se) | |
4442 | return -1; | |
4443 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
4444 | se->instance_id = instance_id; | |
4445 | se->version_id = version_id; | |
4446 | se->save_state = save_state; | |
4447 | se->load_state = load_state; | |
4448 | se->opaque = opaque; | |
4449 | se->next = NULL; | |
4450 | ||
4451 | /* add at the end of list */ | |
4452 | pse = &first_se; | |
4453 | while (*pse != NULL) | |
4454 | pse = &(*pse)->next; | |
4455 | *pse = se; | |
4456 | return 0; | |
4457 | } | |
4458 | ||
4459 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
4460 | #define QEMU_VM_FILE_VERSION 0x00000002 | |
4461 | ||
4462 | int qemu_savevm_state(QEMUFile *f) | |
4463 | { | |
4464 | SaveStateEntry *se; | |
4465 | int len, ret; | |
4466 | int64_t cur_pos, len_pos, total_len_pos; | |
4467 | ||
4468 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); | |
4469 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
4470 | total_len_pos = qemu_ftell(f); | |
4471 | qemu_put_be64(f, 0); /* total size */ | |
4472 | ||
4473 | for(se = first_se; se != NULL; se = se->next) { | |
4474 | /* ID string */ | |
4475 | len = strlen(se->idstr); | |
4476 | qemu_put_byte(f, len); | |
4477 | qemu_put_buffer(f, se->idstr, len); | |
4478 | ||
4479 | qemu_put_be32(f, se->instance_id); | |
4480 | qemu_put_be32(f, se->version_id); | |
4481 | ||
4482 | /* record size: filled later */ | |
4483 | len_pos = qemu_ftell(f); | |
4484 | qemu_put_be32(f, 0); | |
4485 | ||
4486 | se->save_state(f, se->opaque); | |
4487 | ||
4488 | /* fill record size */ | |
4489 | cur_pos = qemu_ftell(f); | |
4490 | len = cur_pos - len_pos - 4; | |
4491 | qemu_fseek(f, len_pos, SEEK_SET); | |
4492 | qemu_put_be32(f, len); | |
4493 | qemu_fseek(f, cur_pos, SEEK_SET); | |
4494 | } | |
4495 | cur_pos = qemu_ftell(f); | |
4496 | qemu_fseek(f, total_len_pos, SEEK_SET); | |
4497 | qemu_put_be64(f, cur_pos - total_len_pos - 8); | |
4498 | qemu_fseek(f, cur_pos, SEEK_SET); | |
4499 | ||
4500 | ret = 0; | |
4501 | return ret; | |
4502 | } | |
4503 | ||
4504 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
4505 | { | |
4506 | SaveStateEntry *se; | |
4507 | ||
4508 | for(se = first_se; se != NULL; se = se->next) { | |
4509 | if (!strcmp(se->idstr, idstr) && | |
4510 | instance_id == se->instance_id) | |
4511 | return se; | |
4512 | } | |
4513 | return NULL; | |
4514 | } | |
4515 | ||
4516 | int qemu_loadvm_state(QEMUFile *f) | |
4517 | { | |
4518 | SaveStateEntry *se; | |
4519 | int len, ret, instance_id, record_len, version_id; | |
4520 | int64_t total_len, end_pos, cur_pos; | |
4521 | unsigned int v; | |
4522 | char idstr[256]; | |
4523 | ||
4524 | v = qemu_get_be32(f); | |
4525 | if (v != QEMU_VM_FILE_MAGIC) | |
4526 | goto fail; | |
4527 | v = qemu_get_be32(f); | |
4528 | if (v != QEMU_VM_FILE_VERSION) { | |
4529 | fail: | |
4530 | ret = -1; | |
4531 | goto the_end; | |
4532 | } | |
4533 | total_len = qemu_get_be64(f); | |
4534 | end_pos = total_len + qemu_ftell(f); | |
4535 | for(;;) { | |
4536 | if (qemu_ftell(f) >= end_pos) | |
4537 | break; | |
4538 | len = qemu_get_byte(f); | |
4539 | qemu_get_buffer(f, idstr, len); | |
4540 | idstr[len] = '\0'; | |
4541 | instance_id = qemu_get_be32(f); | |
4542 | version_id = qemu_get_be32(f); | |
4543 | record_len = qemu_get_be32(f); | |
4544 | #if 0 | |
4545 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
4546 | idstr, instance_id, version_id, record_len); | |
4547 | #endif | |
4548 | cur_pos = qemu_ftell(f); | |
4549 | se = find_se(idstr, instance_id); | |
4550 | if (!se) { | |
4551 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
4552 | instance_id, idstr); | |
4553 | } else { | |
4554 | ret = se->load_state(f, se->opaque, version_id); | |
4555 | if (ret < 0) { | |
4556 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
4557 | instance_id, idstr); | |
4558 | } | |
4559 | } | |
4560 | /* always seek to exact end of record */ | |
4561 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
4562 | } | |
4563 | ret = 0; | |
4564 | the_end: | |
4565 | return ret; | |
4566 | } | |
4567 | ||
4568 | /* device can contain snapshots */ | |
4569 | static int bdrv_can_snapshot(BlockDriverState *bs) | |
4570 | { | |
4571 | return (bs && | |
4572 | !bdrv_is_removable(bs) && | |
4573 | !bdrv_is_read_only(bs)); | |
4574 | } | |
4575 | ||
4576 | /* device must be snapshots in order to have a reliable snapshot */ | |
4577 | static int bdrv_has_snapshot(BlockDriverState *bs) | |
4578 | { | |
4579 | return (bs && | |
4580 | !bdrv_is_removable(bs) && | |
4581 | !bdrv_is_read_only(bs)); | |
4582 | } | |
4583 | ||
4584 | static BlockDriverState *get_bs_snapshots(void) | |
4585 | { | |
4586 | BlockDriverState *bs; | |
4587 | int i; | |
4588 | ||
4589 | if (bs_snapshots) | |
4590 | return bs_snapshots; | |
4591 | for(i = 0; i <= MAX_DISKS; i++) { | |
4592 | bs = bs_table[i]; | |
4593 | if (bdrv_can_snapshot(bs)) | |
4594 | goto ok; | |
4595 | } | |
4596 | return NULL; | |
4597 | ok: | |
4598 | bs_snapshots = bs; | |
4599 | return bs; | |
4600 | } | |
4601 | ||
4602 | static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, | |
4603 | const char *name) | |
4604 | { | |
4605 | QEMUSnapshotInfo *sn_tab, *sn; | |
4606 | int nb_sns, i, ret; | |
4607 | ||
4608 | ret = -ENOENT; | |
4609 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
4610 | if (nb_sns < 0) | |
4611 | return ret; | |
4612 | for(i = 0; i < nb_sns; i++) { | |
4613 | sn = &sn_tab[i]; | |
4614 | if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { | |
4615 | *sn_info = *sn; | |
4616 | ret = 0; | |
4617 | break; | |
4618 | } | |
4619 | } | |
4620 | qemu_free(sn_tab); | |
4621 | return ret; | |
4622 | } | |
4623 | ||
4624 | void do_savevm(const char *name) | |
4625 | { | |
4626 | BlockDriverState *bs, *bs1; | |
4627 | QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; | |
4628 | int must_delete, ret, i; | |
4629 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
4630 | QEMUFile *f; | |
4631 | int saved_vm_running; | |
4632 | #ifdef _WIN32 | |
4633 | struct _timeb tb; | |
4634 | #else | |
4635 | struct timeval tv; | |
4636 | #endif | |
4637 | ||
4638 | bs = get_bs_snapshots(); | |
4639 | if (!bs) { | |
4640 | term_printf("No block device can accept snapshots\n"); | |
4641 | return; | |
4642 | } | |
4643 | ||
4644 | /* ??? Should this occur after vm_stop? */ | |
4645 | qemu_aio_flush(); | |
4646 | ||
4647 | saved_vm_running = vm_running; | |
4648 | vm_stop(0); | |
4649 | ||
4650 | must_delete = 0; | |
4651 | if (name) { | |
4652 | ret = bdrv_snapshot_find(bs, old_sn, name); | |
4653 | if (ret >= 0) { | |
4654 | must_delete = 1; | |
4655 | } | |
4656 | } | |
4657 | memset(sn, 0, sizeof(*sn)); | |
4658 | if (must_delete) { | |
4659 | pstrcpy(sn->name, sizeof(sn->name), old_sn->name); | |
4660 | pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); | |
4661 | } else { | |
4662 | if (name) | |
4663 | pstrcpy(sn->name, sizeof(sn->name), name); | |
4664 | } | |
4665 | ||
4666 | /* fill auxiliary fields */ | |
4667 | #ifdef _WIN32 | |
4668 | _ftime(&tb); | |
4669 | sn->date_sec = tb.time; | |
4670 | sn->date_nsec = tb.millitm * 1000000; | |
4671 | #else | |
4672 | gettimeofday(&tv, NULL); | |
4673 | sn->date_sec = tv.tv_sec; | |
4674 | sn->date_nsec = tv.tv_usec * 1000; | |
4675 | #endif | |
4676 | sn->vm_clock_nsec = qemu_get_clock(vm_clock); | |
4677 | ||
4678 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
4679 | term_printf("Device %s does not support VM state snapshots\n", | |
4680 | bdrv_get_device_name(bs)); | |
4681 | goto the_end; | |
4682 | } | |
4683 | ||
4684 | /* save the VM state */ | |
4685 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); | |
4686 | if (!f) { | |
4687 | term_printf("Could not open VM state file\n"); | |
4688 | goto the_end; | |
4689 | } | |
4690 | ret = qemu_savevm_state(f); | |
4691 | sn->vm_state_size = qemu_ftell(f); | |
4692 | qemu_fclose(f); | |
4693 | if (ret < 0) { | |
4694 | term_printf("Error %d while writing VM\n", ret); | |
4695 | goto the_end; | |
4696 | } | |
4697 | ||
4698 | /* create the snapshots */ | |
4699 | ||
4700 | for(i = 0; i < MAX_DISKS; i++) { | |
4701 | bs1 = bs_table[i]; | |
4702 | if (bdrv_has_snapshot(bs1)) { | |
4703 | if (must_delete) { | |
4704 | ret = bdrv_snapshot_delete(bs1, old_sn->id_str); | |
4705 | if (ret < 0) { | |
4706 | term_printf("Error while deleting snapshot on '%s'\n", | |
4707 | bdrv_get_device_name(bs1)); | |
4708 | } | |
4709 | } | |
4710 | ret = bdrv_snapshot_create(bs1, sn); | |
4711 | if (ret < 0) { | |
4712 | term_printf("Error while creating snapshot on '%s'\n", | |
4713 | bdrv_get_device_name(bs1)); | |
4714 | } | |
4715 | } | |
4716 | } | |
4717 | ||
4718 | the_end: | |
4719 | if (saved_vm_running) | |
4720 | vm_start(); | |
4721 | } | |
4722 | ||
4723 | void do_loadvm(const char *name) | |
4724 | { | |
4725 | BlockDriverState *bs, *bs1; | |
4726 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
4727 | QEMUFile *f; | |
4728 | int i, ret; | |
4729 | int saved_vm_running; | |
4730 | ||
4731 | bs = get_bs_snapshots(); | |
4732 | if (!bs) { | |
4733 | term_printf("No block device supports snapshots\n"); | |
4734 | return; | |
4735 | } | |
4736 | ||
4737 | /* Flush all IO requests so they don't interfere with the new state. */ | |
4738 | qemu_aio_flush(); | |
4739 | ||
4740 | saved_vm_running = vm_running; | |
4741 | vm_stop(0); | |
4742 | ||
4743 | for(i = 0; i <= MAX_DISKS; i++) { | |
4744 | bs1 = bs_table[i]; | |
4745 | if (bdrv_has_snapshot(bs1)) { | |
4746 | ret = bdrv_snapshot_goto(bs1, name); | |
4747 | if (ret < 0) { | |
4748 | if (bs != bs1) | |
4749 | term_printf("Warning: "); | |
4750 | switch(ret) { | |
4751 | case -ENOTSUP: | |
4752 | term_printf("Snapshots not supported on device '%s'\n", | |
4753 | bdrv_get_device_name(bs1)); | |
4754 | break; | |
4755 | case -ENOENT: | |
4756 | term_printf("Could not find snapshot '%s' on device '%s'\n", | |
4757 | name, bdrv_get_device_name(bs1)); | |
4758 | break; | |
4759 | default: | |
4760 | term_printf("Error %d while activating snapshot on '%s'\n", | |
4761 | ret, bdrv_get_device_name(bs1)); | |
4762 | break; | |
4763 | } | |
4764 | /* fatal on snapshot block device */ | |
4765 | if (bs == bs1) | |
4766 | goto the_end; | |
4767 | } | |
4768 | } | |
4769 | } | |
4770 | ||
4771 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
4772 | term_printf("Device %s does not support VM state snapshots\n", | |
4773 | bdrv_get_device_name(bs)); | |
4774 | return; | |
4775 | } | |
4776 | ||
4777 | /* restore the VM state */ | |
4778 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); | |
4779 | if (!f) { | |
4780 | term_printf("Could not open VM state file\n"); | |
4781 | goto the_end; | |
4782 | } | |
4783 | ret = qemu_loadvm_state(f); | |
4784 | qemu_fclose(f); | |
4785 | if (ret < 0) { | |
4786 | term_printf("Error %d while loading VM state\n", ret); | |
4787 | } | |
4788 | the_end: | |
4789 | if (saved_vm_running) | |
4790 | vm_start(); | |
4791 | } | |
4792 | ||
4793 | void do_delvm(const char *name) | |
4794 | { | |
4795 | BlockDriverState *bs, *bs1; | |
4796 | int i, ret; | |
4797 | ||
4798 | bs = get_bs_snapshots(); | |
4799 | if (!bs) { | |
4800 | term_printf("No block device supports snapshots\n"); | |
4801 | return; | |
4802 | } | |
4803 | ||
4804 | for(i = 0; i <= MAX_DISKS; i++) { | |
4805 | bs1 = bs_table[i]; | |
4806 | if (bdrv_has_snapshot(bs1)) { | |
4807 | ret = bdrv_snapshot_delete(bs1, name); | |
4808 | if (ret < 0) { | |
4809 | if (ret == -ENOTSUP) | |
4810 | term_printf("Snapshots not supported on device '%s'\n", | |
4811 | bdrv_get_device_name(bs1)); | |
4812 | else | |
4813 | term_printf("Error %d while deleting snapshot on '%s'\n", | |
4814 | ret, bdrv_get_device_name(bs1)); | |
4815 | } | |
4816 | } | |
4817 | } | |
4818 | } | |
4819 | ||
4820 | void do_info_snapshots(void) | |
4821 | { | |
4822 | BlockDriverState *bs, *bs1; | |
4823 | QEMUSnapshotInfo *sn_tab, *sn; | |
4824 | int nb_sns, i; | |
4825 | char buf[256]; | |
4826 | ||
4827 | bs = get_bs_snapshots(); | |
4828 | if (!bs) { | |
4829 | term_printf("No available block device supports snapshots\n"); | |
4830 | return; | |
4831 | } | |
4832 | term_printf("Snapshot devices:"); | |
4833 | for(i = 0; i <= MAX_DISKS; i++) { | |
4834 | bs1 = bs_table[i]; | |
4835 | if (bdrv_has_snapshot(bs1)) { | |
4836 | if (bs == bs1) | |
4837 | term_printf(" %s", bdrv_get_device_name(bs1)); | |
4838 | } | |
4839 | } | |
4840 | term_printf("\n"); | |
4841 | ||
4842 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
4843 | if (nb_sns < 0) { | |
4844 | term_printf("bdrv_snapshot_list: error %d\n", nb_sns); | |
4845 | return; | |
4846 | } | |
4847 | term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); | |
4848 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); | |
4849 | for(i = 0; i < nb_sns; i++) { | |
4850 | sn = &sn_tab[i]; | |
4851 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); | |
4852 | } | |
4853 | qemu_free(sn_tab); | |
4854 | } | |
4855 | ||
4856 | /***********************************************************/ | |
4857 | /* cpu save/restore */ | |
4858 | ||
4859 | #if defined(TARGET_I386) | |
4860 | ||
4861 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
4862 | { | |
4863 | qemu_put_be32(f, dt->selector); | |
4864 | qemu_put_betl(f, dt->base); | |
4865 | qemu_put_be32(f, dt->limit); | |
4866 | qemu_put_be32(f, dt->flags); | |
4867 | } | |
4868 | ||
4869 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
4870 | { | |
4871 | dt->selector = qemu_get_be32(f); | |
4872 | dt->base = qemu_get_betl(f); | |
4873 | dt->limit = qemu_get_be32(f); | |
4874 | dt->flags = qemu_get_be32(f); | |
4875 | } | |
4876 | ||
4877 | void cpu_save(QEMUFile *f, void *opaque) | |
4878 | { | |
4879 | CPUState *env = opaque; | |
4880 | uint16_t fptag, fpus, fpuc, fpregs_format; | |
4881 | uint32_t hflags; | |
4882 | int i; | |
4883 | ||
4884 | for(i = 0; i < CPU_NB_REGS; i++) | |
4885 | qemu_put_betls(f, &env->regs[i]); | |
4886 | qemu_put_betls(f, &env->eip); | |
4887 | qemu_put_betls(f, &env->eflags); | |
4888 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
4889 | qemu_put_be32s(f, &hflags); | |
4890 | ||
4891 | /* FPU */ | |
4892 | fpuc = env->fpuc; | |
4893 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
4894 | fptag = 0; | |
4895 | for(i = 0; i < 8; i++) { | |
4896 | fptag |= ((!env->fptags[i]) << i); | |
4897 | } | |
4898 | ||
4899 | qemu_put_be16s(f, &fpuc); | |
4900 | qemu_put_be16s(f, &fpus); | |
4901 | qemu_put_be16s(f, &fptag); | |
4902 | ||
4903 | #ifdef USE_X86LDOUBLE | |
4904 | fpregs_format = 0; | |
4905 | #else | |
4906 | fpregs_format = 1; | |
4907 | #endif | |
4908 | qemu_put_be16s(f, &fpregs_format); | |
4909 | ||
4910 | for(i = 0; i < 8; i++) { | |
4911 | #ifdef USE_X86LDOUBLE | |
4912 | { | |
4913 | uint64_t mant; | |
4914 | uint16_t exp; | |
4915 | /* we save the real CPU data (in case of MMX usage only 'mant' | |
4916 | contains the MMX register */ | |
4917 | cpu_get_fp80(&mant, &exp, env->fpregs[i].d); | |
4918 | qemu_put_be64(f, mant); | |
4919 | qemu_put_be16(f, exp); | |
4920 | } | |
4921 | #else | |
4922 | /* if we use doubles for float emulation, we save the doubles to | |
4923 | avoid losing information in case of MMX usage. It can give | |
4924 | problems if the image is restored on a CPU where long | |
4925 | doubles are used instead. */ | |
4926 | qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0)); | |
4927 | #endif | |
4928 | } | |
4929 | ||
4930 | for(i = 0; i < 6; i++) | |
4931 | cpu_put_seg(f, &env->segs[i]); | |
4932 | cpu_put_seg(f, &env->ldt); | |
4933 | cpu_put_seg(f, &env->tr); | |
4934 | cpu_put_seg(f, &env->gdt); | |
4935 | cpu_put_seg(f, &env->idt); | |
4936 | ||
4937 | qemu_put_be32s(f, &env->sysenter_cs); | |
4938 | qemu_put_be32s(f, &env->sysenter_esp); | |
4939 | qemu_put_be32s(f, &env->sysenter_eip); | |
4940 | ||
4941 | qemu_put_betls(f, &env->cr[0]); | |
4942 | qemu_put_betls(f, &env->cr[2]); | |
4943 | qemu_put_betls(f, &env->cr[3]); | |
4944 | qemu_put_betls(f, &env->cr[4]); | |
4945 | ||
4946 | for(i = 0; i < 8; i++) | |
4947 | qemu_put_betls(f, &env->dr[i]); | |
4948 | ||
4949 | /* MMU */ | |
4950 | qemu_put_be32s(f, &env->a20_mask); | |
4951 | ||
4952 | /* XMM */ | |
4953 | qemu_put_be32s(f, &env->mxcsr); | |
4954 | for(i = 0; i < CPU_NB_REGS; i++) { | |
4955 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
4956 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
4957 | } | |
4958 | ||
4959 | #ifdef TARGET_X86_64 | |
4960 | qemu_put_be64s(f, &env->efer); | |
4961 | qemu_put_be64s(f, &env->star); | |
4962 | qemu_put_be64s(f, &env->lstar); | |
4963 | qemu_put_be64s(f, &env->cstar); | |
4964 | qemu_put_be64s(f, &env->fmask); | |
4965 | qemu_put_be64s(f, &env->kernelgsbase); | |
4966 | #endif | |
4967 | qemu_put_be32s(f, &env->smbase); | |
4968 | } | |
4969 | ||
4970 | #ifdef USE_X86LDOUBLE | |
4971 | /* XXX: add that in a FPU generic layer */ | |
4972 | union x86_longdouble { | |
4973 | uint64_t mant; | |
4974 | uint16_t exp; | |
4975 | }; | |
4976 | ||
4977 | #define MANTD1(fp) (fp & ((1LL << 52) - 1)) | |
4978 | #define EXPBIAS1 1023 | |
4979 | #define EXPD1(fp) ((fp >> 52) & 0x7FF) | |
4980 | #define SIGND1(fp) ((fp >> 32) & 0x80000000) | |
4981 | ||
4982 | static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) | |
4983 | { | |
4984 | int e; | |
4985 | /* mantissa */ | |
4986 | p->mant = (MANTD1(temp) << 11) | (1LL << 63); | |
4987 | /* exponent + sign */ | |
4988 | e = EXPD1(temp) - EXPBIAS1 + 16383; | |
4989 | e |= SIGND1(temp) >> 16; | |
4990 | p->exp = e; | |
4991 | } | |
4992 | #endif | |
4993 | ||
4994 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
4995 | { | |
4996 | CPUState *env = opaque; | |
4997 | int i, guess_mmx; | |
4998 | uint32_t hflags; | |
4999 | uint16_t fpus, fpuc, fptag, fpregs_format; | |
5000 | ||
5001 | if (version_id != 3 && version_id != 4) | |
5002 | return -EINVAL; | |
5003 | for(i = 0; i < CPU_NB_REGS; i++) | |
5004 | qemu_get_betls(f, &env->regs[i]); | |
5005 | qemu_get_betls(f, &env->eip); | |
5006 | qemu_get_betls(f, &env->eflags); | |
5007 | qemu_get_be32s(f, &hflags); | |
5008 | ||
5009 | qemu_get_be16s(f, &fpuc); | |
5010 | qemu_get_be16s(f, &fpus); | |
5011 | qemu_get_be16s(f, &fptag); | |
5012 | qemu_get_be16s(f, &fpregs_format); | |
5013 | ||
5014 | /* NOTE: we cannot always restore the FPU state if the image come | |
5015 | from a host with a different 'USE_X86LDOUBLE' define. We guess | |
5016 | if we are in an MMX state to restore correctly in that case. */ | |
5017 | guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); | |
5018 | for(i = 0; i < 8; i++) { | |
5019 | uint64_t mant; | |
5020 | uint16_t exp; | |
5021 | ||
5022 | switch(fpregs_format) { | |
5023 | case 0: | |
5024 | mant = qemu_get_be64(f); | |
5025 | exp = qemu_get_be16(f); | |
5026 | #ifdef USE_X86LDOUBLE | |
5027 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
5028 | #else | |
5029 | /* difficult case */ | |
5030 | if (guess_mmx) | |
5031 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
5032 | else | |
5033 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
5034 | #endif | |
5035 | break; | |
5036 | case 1: | |
5037 | mant = qemu_get_be64(f); | |
5038 | #ifdef USE_X86LDOUBLE | |
5039 | { | |
5040 | union x86_longdouble *p; | |
5041 | /* difficult case */ | |
5042 | p = (void *)&env->fpregs[i]; | |
5043 | if (guess_mmx) { | |
5044 | p->mant = mant; | |
5045 | p->exp = 0xffff; | |
5046 | } else { | |
5047 | fp64_to_fp80(p, mant); | |
5048 | } | |
5049 | } | |
5050 | #else | |
5051 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
5052 | #endif | |
5053 | break; | |
5054 | default: | |
5055 | return -EINVAL; | |
5056 | } | |
5057 | } | |
5058 | ||
5059 | env->fpuc = fpuc; | |
5060 | /* XXX: restore FPU round state */ | |
5061 | env->fpstt = (fpus >> 11) & 7; | |
5062 | env->fpus = fpus & ~0x3800; | |
5063 | fptag ^= 0xff; | |
5064 | for(i = 0; i < 8; i++) { | |
5065 | env->fptags[i] = (fptag >> i) & 1; | |
5066 | } | |
5067 | ||
5068 | for(i = 0; i < 6; i++) | |
5069 | cpu_get_seg(f, &env->segs[i]); | |
5070 | cpu_get_seg(f, &env->ldt); | |
5071 | cpu_get_seg(f, &env->tr); | |
5072 | cpu_get_seg(f, &env->gdt); | |
5073 | cpu_get_seg(f, &env->idt); | |
5074 | ||
5075 | qemu_get_be32s(f, &env->sysenter_cs); | |
5076 | qemu_get_be32s(f, &env->sysenter_esp); | |
5077 | qemu_get_be32s(f, &env->sysenter_eip); | |
5078 | ||
5079 | qemu_get_betls(f, &env->cr[0]); | |
5080 | qemu_get_betls(f, &env->cr[2]); | |
5081 | qemu_get_betls(f, &env->cr[3]); | |
5082 | qemu_get_betls(f, &env->cr[4]); | |
5083 | ||
5084 | for(i = 0; i < 8; i++) | |
5085 | qemu_get_betls(f, &env->dr[i]); | |
5086 | ||
5087 | /* MMU */ | |
5088 | qemu_get_be32s(f, &env->a20_mask); | |
5089 | ||
5090 | qemu_get_be32s(f, &env->mxcsr); | |
5091 | for(i = 0; i < CPU_NB_REGS; i++) { | |
5092 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
5093 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
5094 | } | |
5095 | ||
5096 | #ifdef TARGET_X86_64 | |
5097 | qemu_get_be64s(f, &env->efer); | |
5098 | qemu_get_be64s(f, &env->star); | |
5099 | qemu_get_be64s(f, &env->lstar); | |
5100 | qemu_get_be64s(f, &env->cstar); | |
5101 | qemu_get_be64s(f, &env->fmask); | |
5102 | qemu_get_be64s(f, &env->kernelgsbase); | |
5103 | #endif | |
5104 | if (version_id >= 4) | |
5105 | qemu_get_be32s(f, &env->smbase); | |
5106 | ||
5107 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
5108 | env->hflags = hflags; | |
5109 | tlb_flush(env, 1); | |
5110 | return 0; | |
5111 | } | |
5112 | ||
5113 | #elif defined(TARGET_PPC) | |
5114 | void cpu_save(QEMUFile *f, void *opaque) | |
5115 | { | |
5116 | } | |
5117 | ||
5118 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5119 | { | |
5120 | return 0; | |
5121 | } | |
5122 | ||
5123 | #elif defined(TARGET_MIPS) | |
5124 | void cpu_save(QEMUFile *f, void *opaque) | |
5125 | { | |
5126 | } | |
5127 | ||
5128 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5129 | { | |
5130 | return 0; | |
5131 | } | |
5132 | ||
5133 | #elif defined(TARGET_SPARC) | |
5134 | void cpu_save(QEMUFile *f, void *opaque) | |
5135 | { | |
5136 | CPUState *env = opaque; | |
5137 | int i; | |
5138 | uint32_t tmp; | |
5139 | ||
5140 | for(i = 0; i < 8; i++) | |
5141 | qemu_put_betls(f, &env->gregs[i]); | |
5142 | for(i = 0; i < NWINDOWS * 16; i++) | |
5143 | qemu_put_betls(f, &env->regbase[i]); | |
5144 | ||
5145 | /* FPU */ | |
5146 | for(i = 0; i < TARGET_FPREGS; i++) { | |
5147 | union { | |
5148 | float32 f; | |
5149 | uint32_t i; | |
5150 | } u; | |
5151 | u.f = env->fpr[i]; | |
5152 | qemu_put_be32(f, u.i); | |
5153 | } | |
5154 | ||
5155 | qemu_put_betls(f, &env->pc); | |
5156 | qemu_put_betls(f, &env->npc); | |
5157 | qemu_put_betls(f, &env->y); | |
5158 | tmp = GET_PSR(env); | |
5159 | qemu_put_be32(f, tmp); | |
5160 | qemu_put_betls(f, &env->fsr); | |
5161 | qemu_put_betls(f, &env->tbr); | |
5162 | #ifndef TARGET_SPARC64 | |
5163 | qemu_put_be32s(f, &env->wim); | |
5164 | /* MMU */ | |
5165 | for(i = 0; i < 16; i++) | |
5166 | qemu_put_be32s(f, &env->mmuregs[i]); | |
5167 | #endif | |
5168 | } | |
5169 | ||
5170 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5171 | { | |
5172 | CPUState *env = opaque; | |
5173 | int i; | |
5174 | uint32_t tmp; | |
5175 | ||
5176 | for(i = 0; i < 8; i++) | |
5177 | qemu_get_betls(f, &env->gregs[i]); | |
5178 | for(i = 0; i < NWINDOWS * 16; i++) | |
5179 | qemu_get_betls(f, &env->regbase[i]); | |
5180 | ||
5181 | /* FPU */ | |
5182 | for(i = 0; i < TARGET_FPREGS; i++) { | |
5183 | union { | |
5184 | float32 f; | |
5185 | uint32_t i; | |
5186 | } u; | |
5187 | u.i = qemu_get_be32(f); | |
5188 | env->fpr[i] = u.f; | |
5189 | } | |
5190 | ||
5191 | qemu_get_betls(f, &env->pc); | |
5192 | qemu_get_betls(f, &env->npc); | |
5193 | qemu_get_betls(f, &env->y); | |
5194 | tmp = qemu_get_be32(f); | |
5195 | env->cwp = 0; /* needed to ensure that the wrapping registers are | |
5196 | correctly updated */ | |
5197 | PUT_PSR(env, tmp); | |
5198 | qemu_get_betls(f, &env->fsr); | |
5199 | qemu_get_betls(f, &env->tbr); | |
5200 | #ifndef TARGET_SPARC64 | |
5201 | qemu_get_be32s(f, &env->wim); | |
5202 | /* MMU */ | |
5203 | for(i = 0; i < 16; i++) | |
5204 | qemu_get_be32s(f, &env->mmuregs[i]); | |
5205 | #endif | |
5206 | tlb_flush(env, 1); | |
5207 | return 0; | |
5208 | } | |
5209 | ||
5210 | #elif defined(TARGET_ARM) | |
5211 | ||
5212 | /* ??? Need to implement these. */ | |
5213 | void cpu_save(QEMUFile *f, void *opaque) | |
5214 | { | |
5215 | } | |
5216 | ||
5217 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5218 | { | |
5219 | return 0; | |
5220 | } | |
5221 | ||
5222 | #else | |
5223 | ||
5224 | #warning No CPU save/restore functions | |
5225 | ||
5226 | #endif | |
5227 | ||
5228 | /***********************************************************/ | |
5229 | /* ram save/restore */ | |
5230 | ||
5231 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
5232 | { | |
5233 | int v; | |
5234 | ||
5235 | v = qemu_get_byte(f); | |
5236 | switch(v) { | |
5237 | case 0: | |
5238 | if (qemu_get_buffer(f, buf, len) != len) | |
5239 | return -EIO; | |
5240 | break; | |
5241 | case 1: | |
5242 | v = qemu_get_byte(f); | |
5243 | memset(buf, v, len); | |
5244 | break; | |
5245 | default: | |
5246 | return -EINVAL; | |
5247 | } | |
5248 | return 0; | |
5249 | } | |
5250 | ||
5251 | static int ram_load_v1(QEMUFile *f, void *opaque) | |
5252 | { | |
5253 | int i, ret; | |
5254 | ||
5255 | if (qemu_get_be32(f) != phys_ram_size) | |
5256 | return -EINVAL; | |
5257 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
5258 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
5259 | if (ret) | |
5260 | return ret; | |
5261 | } | |
5262 | return 0; | |
5263 | } | |
5264 | ||
5265 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
5266 | #define IOBUF_SIZE 4096 | |
5267 | #define RAM_CBLOCK_MAGIC 0xfabe | |
5268 | ||
5269 | typedef struct RamCompressState { | |
5270 | z_stream zstream; | |
5271 | QEMUFile *f; | |
5272 | uint8_t buf[IOBUF_SIZE]; | |
5273 | } RamCompressState; | |
5274 | ||
5275 | static int ram_compress_open(RamCompressState *s, QEMUFile *f) | |
5276 | { | |
5277 | int ret; | |
5278 | memset(s, 0, sizeof(*s)); | |
5279 | s->f = f; | |
5280 | ret = deflateInit2(&s->zstream, 1, | |
5281 | Z_DEFLATED, 15, | |
5282 | 9, Z_DEFAULT_STRATEGY); | |
5283 | if (ret != Z_OK) | |
5284 | return -1; | |
5285 | s->zstream.avail_out = IOBUF_SIZE; | |
5286 | s->zstream.next_out = s->buf; | |
5287 | return 0; | |
5288 | } | |
5289 | ||
5290 | static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) | |
5291 | { | |
5292 | qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); | |
5293 | qemu_put_be16(s->f, len); | |
5294 | qemu_put_buffer(s->f, buf, len); | |
5295 | } | |
5296 | ||
5297 | static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) | |
5298 | { | |
5299 | int ret; | |
5300 | ||
5301 | s->zstream.avail_in = len; | |
5302 | s->zstream.next_in = (uint8_t *)buf; | |
5303 | while (s->zstream.avail_in > 0) { | |
5304 | ret = deflate(&s->zstream, Z_NO_FLUSH); | |
5305 | if (ret != Z_OK) | |
5306 | return -1; | |
5307 | if (s->zstream.avail_out == 0) { | |
5308 | ram_put_cblock(s, s->buf, IOBUF_SIZE); | |
5309 | s->zstream.avail_out = IOBUF_SIZE; | |
5310 | s->zstream.next_out = s->buf; | |
5311 | } | |
5312 | } | |
5313 | return 0; | |
5314 | } | |
5315 | ||
5316 | static void ram_compress_close(RamCompressState *s) | |
5317 | { | |
5318 | int len, ret; | |
5319 | ||
5320 | /* compress last bytes */ | |
5321 | for(;;) { | |
5322 | ret = deflate(&s->zstream, Z_FINISH); | |
5323 | if (ret == Z_OK || ret == Z_STREAM_END) { | |
5324 | len = IOBUF_SIZE - s->zstream.avail_out; | |
5325 | if (len > 0) { | |
5326 | ram_put_cblock(s, s->buf, len); | |
5327 | } | |
5328 | s->zstream.avail_out = IOBUF_SIZE; | |
5329 | s->zstream.next_out = s->buf; | |
5330 | if (ret == Z_STREAM_END) | |
5331 | break; | |
5332 | } else { | |
5333 | goto fail; | |
5334 | } | |
5335 | } | |
5336 | fail: | |
5337 | deflateEnd(&s->zstream); | |
5338 | } | |
5339 | ||
5340 | typedef struct RamDecompressState { | |
5341 | z_stream zstream; | |
5342 | QEMUFile *f; | |
5343 | uint8_t buf[IOBUF_SIZE]; | |
5344 | } RamDecompressState; | |
5345 | ||
5346 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
5347 | { | |
5348 | int ret; | |
5349 | memset(s, 0, sizeof(*s)); | |
5350 | s->f = f; | |
5351 | ret = inflateInit(&s->zstream); | |
5352 | if (ret != Z_OK) | |
5353 | return -1; | |
5354 | return 0; | |
5355 | } | |
5356 | ||
5357 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
5358 | { | |
5359 | int ret, clen; | |
5360 | ||
5361 | s->zstream.avail_out = len; | |
5362 | s->zstream.next_out = buf; | |
5363 | while (s->zstream.avail_out > 0) { | |
5364 | if (s->zstream.avail_in == 0) { | |
5365 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
5366 | return -1; | |
5367 | clen = qemu_get_be16(s->f); | |
5368 | if (clen > IOBUF_SIZE) | |
5369 | return -1; | |
5370 | qemu_get_buffer(s->f, s->buf, clen); | |
5371 | s->zstream.avail_in = clen; | |
5372 | s->zstream.next_in = s->buf; | |
5373 | } | |
5374 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
5375 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
5376 | return -1; | |
5377 | } | |
5378 | } | |
5379 | return 0; | |
5380 | } | |
5381 | ||
5382 | static void ram_decompress_close(RamDecompressState *s) | |
5383 | { | |
5384 | inflateEnd(&s->zstream); | |
5385 | } | |
5386 | ||
5387 | static void ram_save(QEMUFile *f, void *opaque) | |
5388 | { | |
5389 | int i; | |
5390 | RamCompressState s1, *s = &s1; | |
5391 | uint8_t buf[10]; | |
5392 | ||
5393 | qemu_put_be32(f, phys_ram_size); | |
5394 | if (ram_compress_open(s, f) < 0) | |
5395 | return; | |
5396 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
5397 | #if 0 | |
5398 | if (tight_savevm_enabled) { | |
5399 | int64_t sector_num; | |
5400 | int j; | |
5401 | ||
5402 | /* find if the memory block is available on a virtual | |
5403 | block device */ | |
5404 | sector_num = -1; | |
5405 | for(j = 0; j < MAX_DISKS; j++) { | |
5406 | if (bs_table[j]) { | |
5407 | sector_num = bdrv_hash_find(bs_table[j], | |
5408 | phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); | |
5409 | if (sector_num >= 0) | |
5410 | break; | |
5411 | } | |
5412 | } | |
5413 | if (j == MAX_DISKS) | |
5414 | goto normal_compress; | |
5415 | buf[0] = 1; | |
5416 | buf[1] = j; | |
5417 | cpu_to_be64wu((uint64_t *)(buf + 2), sector_num); | |
5418 | ram_compress_buf(s, buf, 10); | |
5419 | } else | |
5420 | #endif | |
5421 | { | |
5422 | // normal_compress: | |
5423 | buf[0] = 0; | |
5424 | ram_compress_buf(s, buf, 1); | |
5425 | ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); | |
5426 | } | |
5427 | } | |
5428 | ram_compress_close(s); | |
5429 | } | |
5430 | ||
5431 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
5432 | { | |
5433 | RamDecompressState s1, *s = &s1; | |
5434 | uint8_t buf[10]; | |
5435 | int i; | |
5436 | ||
5437 | if (version_id == 1) | |
5438 | return ram_load_v1(f, opaque); | |
5439 | if (version_id != 2) | |
5440 | return -EINVAL; | |
5441 | if (qemu_get_be32(f) != phys_ram_size) | |
5442 | return -EINVAL; | |
5443 | if (ram_decompress_open(s, f) < 0) | |
5444 | return -EINVAL; | |
5445 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
5446 | if (ram_decompress_buf(s, buf, 1) < 0) { | |
5447 | fprintf(stderr, "Error while reading ram block header\n"); | |
5448 | goto error; | |
5449 | } | |
5450 | if (buf[0] == 0) { | |
5451 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { | |
5452 | fprintf(stderr, "Error while reading ram block address=0x%08x", i); | |
5453 | goto error; | |
5454 | } | |
5455 | } else | |
5456 | #if 0 | |
5457 | if (buf[0] == 1) { | |
5458 | int bs_index; | |
5459 | int64_t sector_num; | |
5460 | ||
5461 | ram_decompress_buf(s, buf + 1, 9); | |
5462 | bs_index = buf[1]; | |
5463 | sector_num = be64_to_cpupu((const uint64_t *)(buf + 2)); | |
5464 | if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) { | |
5465 | fprintf(stderr, "Invalid block device index %d\n", bs_index); | |
5466 | goto error; | |
5467 | } | |
5468 | if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i, | |
5469 | BDRV_HASH_BLOCK_SIZE / 512) < 0) { | |
5470 | fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n", | |
5471 | bs_index, sector_num); | |
5472 | goto error; | |
5473 | } | |
5474 | } else | |
5475 | #endif | |
5476 | { | |
5477 | error: | |
5478 | printf("Error block header\n"); | |
5479 | return -EINVAL; | |
5480 | } | |
5481 | } | |
5482 | ram_decompress_close(s); | |
5483 | return 0; | |
5484 | } | |
5485 | ||
5486 | /***********************************************************/ | |
5487 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
5488 | ||
5489 | struct QEMUBH { | |
5490 | QEMUBHFunc *cb; | |
5491 | void *opaque; | |
5492 | int scheduled; | |
5493 | QEMUBH *next; | |
5494 | }; | |
5495 | ||
5496 | static QEMUBH *first_bh = NULL; | |
5497 | ||
5498 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
5499 | { | |
5500 | QEMUBH *bh; | |
5501 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
5502 | if (!bh) | |
5503 | return NULL; | |
5504 | bh->cb = cb; | |
5505 | bh->opaque = opaque; | |
5506 | return bh; | |
5507 | } | |
5508 | ||
5509 | int qemu_bh_poll(void) | |
5510 | { | |
5511 | QEMUBH *bh, **pbh; | |
5512 | int ret; | |
5513 | ||
5514 | ret = 0; | |
5515 | for(;;) { | |
5516 | pbh = &first_bh; | |
5517 | bh = *pbh; | |
5518 | if (!bh) | |
5519 | break; | |
5520 | ret = 1; | |
5521 | *pbh = bh->next; | |
5522 | bh->scheduled = 0; | |
5523 | bh->cb(bh->opaque); | |
5524 | } | |
5525 | return ret; | |
5526 | } | |
5527 | ||
5528 | void qemu_bh_schedule(QEMUBH *bh) | |
5529 | { | |
5530 | CPUState *env = cpu_single_env; | |
5531 | if (bh->scheduled) | |
5532 | return; | |
5533 | bh->scheduled = 1; | |
5534 | bh->next = first_bh; | |
5535 | first_bh = bh; | |
5536 | ||
5537 | /* stop the currently executing CPU to execute the BH ASAP */ | |
5538 | if (env) { | |
5539 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
5540 | } | |
5541 | } | |
5542 | ||
5543 | void qemu_bh_cancel(QEMUBH *bh) | |
5544 | { | |
5545 | QEMUBH **pbh; | |
5546 | if (bh->scheduled) { | |
5547 | pbh = &first_bh; | |
5548 | while (*pbh != bh) | |
5549 | pbh = &(*pbh)->next; | |
5550 | *pbh = bh->next; | |
5551 | bh->scheduled = 0; | |
5552 | } | |
5553 | } | |
5554 | ||
5555 | void qemu_bh_delete(QEMUBH *bh) | |
5556 | { | |
5557 | qemu_bh_cancel(bh); | |
5558 | qemu_free(bh); | |
5559 | } | |
5560 | ||
5561 | /***********************************************************/ | |
5562 | /* machine registration */ | |
5563 | ||
5564 | QEMUMachine *first_machine = NULL; | |
5565 | ||
5566 | int qemu_register_machine(QEMUMachine *m) | |
5567 | { | |
5568 | QEMUMachine **pm; | |
5569 | pm = &first_machine; | |
5570 | while (*pm != NULL) | |
5571 | pm = &(*pm)->next; | |
5572 | m->next = NULL; | |
5573 | *pm = m; | |
5574 | return 0; | |
5575 | } | |
5576 | ||
5577 | QEMUMachine *find_machine(const char *name) | |
5578 | { | |
5579 | QEMUMachine *m; | |
5580 | ||
5581 | for(m = first_machine; m != NULL; m = m->next) { | |
5582 | if (!strcmp(m->name, name)) | |
5583 | return m; | |
5584 | } | |
5585 | return NULL; | |
5586 | } | |
5587 | ||
5588 | /***********************************************************/ | |
5589 | /* main execution loop */ | |
5590 | ||
5591 | void gui_update(void *opaque) | |
5592 | { | |
5593 | display_state.dpy_refresh(&display_state); | |
5594 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
5595 | } | |
5596 | ||
5597 | struct vm_change_state_entry { | |
5598 | VMChangeStateHandler *cb; | |
5599 | void *opaque; | |
5600 | LIST_ENTRY (vm_change_state_entry) entries; | |
5601 | }; | |
5602 | ||
5603 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
5604 | ||
5605 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
5606 | void *opaque) | |
5607 | { | |
5608 | VMChangeStateEntry *e; | |
5609 | ||
5610 | e = qemu_mallocz(sizeof (*e)); | |
5611 | if (!e) | |
5612 | return NULL; | |
5613 | ||
5614 | e->cb = cb; | |
5615 | e->opaque = opaque; | |
5616 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
5617 | return e; | |
5618 | } | |
5619 | ||
5620 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
5621 | { | |
5622 | LIST_REMOVE (e, entries); | |
5623 | qemu_free (e); | |
5624 | } | |
5625 | ||
5626 | static void vm_state_notify(int running) | |
5627 | { | |
5628 | VMChangeStateEntry *e; | |
5629 | ||
5630 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
5631 | e->cb(e->opaque, running); | |
5632 | } | |
5633 | } | |
5634 | ||
5635 | /* XXX: support several handlers */ | |
5636 | static VMStopHandler *vm_stop_cb; | |
5637 | static void *vm_stop_opaque; | |
5638 | ||
5639 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
5640 | { | |
5641 | vm_stop_cb = cb; | |
5642 | vm_stop_opaque = opaque; | |
5643 | return 0; | |
5644 | } | |
5645 | ||
5646 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
5647 | { | |
5648 | vm_stop_cb = NULL; | |
5649 | } | |
5650 | ||
5651 | void vm_start(void) | |
5652 | { | |
5653 | if (!vm_running) { | |
5654 | cpu_enable_ticks(); | |
5655 | vm_running = 1; | |
5656 | vm_state_notify(1); | |
5657 | } | |
5658 | } | |
5659 | ||
5660 | void vm_stop(int reason) | |
5661 | { | |
5662 | if (vm_running) { | |
5663 | cpu_disable_ticks(); | |
5664 | vm_running = 0; | |
5665 | if (reason != 0) { | |
5666 | if (vm_stop_cb) { | |
5667 | vm_stop_cb(vm_stop_opaque, reason); | |
5668 | } | |
5669 | } | |
5670 | vm_state_notify(0); | |
5671 | } | |
5672 | } | |
5673 | ||
5674 | /* reset/shutdown handler */ | |
5675 | ||
5676 | typedef struct QEMUResetEntry { | |
5677 | QEMUResetHandler *func; | |
5678 | void *opaque; | |
5679 | struct QEMUResetEntry *next; | |
5680 | } QEMUResetEntry; | |
5681 | ||
5682 | static QEMUResetEntry *first_reset_entry; | |
5683 | static int reset_requested; | |
5684 | static int shutdown_requested; | |
5685 | static int powerdown_requested; | |
5686 | ||
5687 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
5688 | { | |
5689 | QEMUResetEntry **pre, *re; | |
5690 | ||
5691 | pre = &first_reset_entry; | |
5692 | while (*pre != NULL) | |
5693 | pre = &(*pre)->next; | |
5694 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
5695 | re->func = func; | |
5696 | re->opaque = opaque; | |
5697 | re->next = NULL; | |
5698 | *pre = re; | |
5699 | } | |
5700 | ||
5701 | void qemu_system_reset(void) | |
5702 | { | |
5703 | QEMUResetEntry *re; | |
5704 | ||
5705 | /* reset all devices */ | |
5706 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
5707 | re->func(re->opaque); | |
5708 | } | |
5709 | } | |
5710 | ||
5711 | void qemu_system_reset_request(void) | |
5712 | { | |
5713 | if (no_reboot) { | |
5714 | shutdown_requested = 1; | |
5715 | } else { | |
5716 | reset_requested = 1; | |
5717 | } | |
5718 | if (cpu_single_env) | |
5719 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
5720 | } | |
5721 | ||
5722 | void qemu_system_shutdown_request(void) | |
5723 | { | |
5724 | shutdown_requested = 1; | |
5725 | if (cpu_single_env) | |
5726 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
5727 | } | |
5728 | ||
5729 | void qemu_system_powerdown_request(void) | |
5730 | { | |
5731 | powerdown_requested = 1; | |
5732 | if (cpu_single_env) | |
5733 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
5734 | } | |
5735 | ||
5736 | void main_loop_wait(int timeout) | |
5737 | { | |
5738 | IOHandlerRecord *ioh, *ioh_next; | |
5739 | fd_set rfds, wfds, xfds; | |
5740 | int ret, nfds; | |
5741 | struct timeval tv; | |
5742 | PollingEntry *pe; | |
5743 | ||
5744 | ||
5745 | /* XXX: need to suppress polling by better using win32 events */ | |
5746 | ret = 0; | |
5747 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
5748 | ret |= pe->func(pe->opaque); | |
5749 | } | |
5750 | #ifdef _WIN32 | |
5751 | if (ret == 0 && timeout > 0) { | |
5752 | int err; | |
5753 | WaitObjects *w = &wait_objects; | |
5754 | ||
5755 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); | |
5756 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
5757 | if (w->func[ret - WAIT_OBJECT_0]) | |
5758 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
5759 | } else if (ret == WAIT_TIMEOUT) { | |
5760 | } else { | |
5761 | err = GetLastError(); | |
5762 | fprintf(stderr, "Wait error %d %d\n", ret, err); | |
5763 | } | |
5764 | } | |
5765 | #endif | |
5766 | /* poll any events */ | |
5767 | /* XXX: separate device handlers from system ones */ | |
5768 | nfds = -1; | |
5769 | FD_ZERO(&rfds); | |
5770 | FD_ZERO(&wfds); | |
5771 | FD_ZERO(&xfds); | |
5772 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
5773 | if (ioh->fd_read && | |
5774 | (!ioh->fd_read_poll || | |
5775 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
5776 | FD_SET(ioh->fd, &rfds); | |
5777 | if (ioh->fd > nfds) | |
5778 | nfds = ioh->fd; | |
5779 | } | |
5780 | if (ioh->fd_write) { | |
5781 | FD_SET(ioh->fd, &wfds); | |
5782 | if (ioh->fd > nfds) | |
5783 | nfds = ioh->fd; | |
5784 | } | |
5785 | } | |
5786 | ||
5787 | tv.tv_sec = 0; | |
5788 | #ifdef _WIN32 | |
5789 | tv.tv_usec = 0; | |
5790 | #else | |
5791 | tv.tv_usec = timeout * 1000; | |
5792 | #endif | |
5793 | #if defined(CONFIG_SLIRP) | |
5794 | if (slirp_inited) { | |
5795 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
5796 | } | |
5797 | #endif | |
5798 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
5799 | if (ret > 0) { | |
5800 | /* XXX: better handling of removal */ | |
5801 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
5802 | ioh_next = ioh->next; | |
5803 | if (FD_ISSET(ioh->fd, &rfds)) { | |
5804 | ioh->fd_read(ioh->opaque); | |
5805 | } | |
5806 | if (FD_ISSET(ioh->fd, &wfds)) { | |
5807 | ioh->fd_write(ioh->opaque); | |
5808 | } | |
5809 | } | |
5810 | } | |
5811 | #if defined(CONFIG_SLIRP) | |
5812 | if (slirp_inited) { | |
5813 | if (ret < 0) { | |
5814 | FD_ZERO(&rfds); | |
5815 | FD_ZERO(&wfds); | |
5816 | FD_ZERO(&xfds); | |
5817 | } | |
5818 | slirp_select_poll(&rfds, &wfds, &xfds); | |
5819 | } | |
5820 | #endif | |
5821 | qemu_aio_poll(); | |
5822 | qemu_bh_poll(); | |
5823 | ||
5824 | if (vm_running) { | |
5825 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
5826 | qemu_get_clock(vm_clock)); | |
5827 | /* run dma transfers, if any */ | |
5828 | DMA_run(); | |
5829 | } | |
5830 | ||
5831 | /* real time timers */ | |
5832 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
5833 | qemu_get_clock(rt_clock)); | |
5834 | } | |
5835 | ||
5836 | static CPUState *cur_cpu; | |
5837 | ||
5838 | int main_loop(void) | |
5839 | { | |
5840 | int ret, timeout; | |
5841 | #ifdef CONFIG_PROFILER | |
5842 | int64_t ti; | |
5843 | #endif | |
5844 | CPUState *env; | |
5845 | ||
5846 | cur_cpu = first_cpu; | |
5847 | for(;;) { | |
5848 | if (vm_running) { | |
5849 | ||
5850 | env = cur_cpu; | |
5851 | for(;;) { | |
5852 | /* get next cpu */ | |
5853 | env = env->next_cpu; | |
5854 | if (!env) | |
5855 | env = first_cpu; | |
5856 | #ifdef CONFIG_PROFILER | |
5857 | ti = profile_getclock(); | |
5858 | #endif | |
5859 | ret = cpu_exec(env); | |
5860 | #ifdef CONFIG_PROFILER | |
5861 | qemu_time += profile_getclock() - ti; | |
5862 | #endif | |
5863 | if (ret != EXCP_HALTED) | |
5864 | break; | |
5865 | /* all CPUs are halted ? */ | |
5866 | if (env == cur_cpu) { | |
5867 | ret = EXCP_HLT; | |
5868 | break; | |
5869 | } | |
5870 | } | |
5871 | cur_cpu = env; | |
5872 | ||
5873 | if (shutdown_requested) { | |
5874 | ret = EXCP_INTERRUPT; | |
5875 | break; | |
5876 | } | |
5877 | if (reset_requested) { | |
5878 | reset_requested = 0; | |
5879 | qemu_system_reset(); | |
5880 | ret = EXCP_INTERRUPT; | |
5881 | } | |
5882 | if (powerdown_requested) { | |
5883 | powerdown_requested = 0; | |
5884 | qemu_system_powerdown(); | |
5885 | ret = EXCP_INTERRUPT; | |
5886 | } | |
5887 | if (ret == EXCP_DEBUG) { | |
5888 | vm_stop(EXCP_DEBUG); | |
5889 | } | |
5890 | /* if hlt instruction, we wait until the next IRQ */ | |
5891 | /* XXX: use timeout computed from timers */ | |
5892 | if (ret == EXCP_HLT) | |
5893 | timeout = 10; | |
5894 | else | |
5895 | timeout = 0; | |
5896 | } else { | |
5897 | timeout = 10; | |
5898 | } | |
5899 | #ifdef CONFIG_PROFILER | |
5900 | ti = profile_getclock(); | |
5901 | #endif | |
5902 | main_loop_wait(timeout); | |
5903 | #ifdef CONFIG_PROFILER | |
5904 | dev_time += profile_getclock() - ti; | |
5905 | #endif | |
5906 | } | |
5907 | cpu_disable_ticks(); | |
5908 | return ret; | |
5909 | } | |
5910 | ||
5911 | void help(void) | |
5912 | { | |
5913 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n" | |
5914 | "usage: %s [options] [disk_image]\n" | |
5915 | "\n" | |
5916 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
5917 | "\n" | |
5918 | "Standard options:\n" | |
5919 | "-M machine select emulated machine (-M ? for list)\n" | |
5920 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
5921 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
5922 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
5923 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
5924 | "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n" | |
5925 | "-snapshot write to temporary files instead of disk image files\n" | |
5926 | #ifdef CONFIG_SDL | |
5927 | "-no-quit disable SDL window close capability\n" | |
5928 | #endif | |
5929 | #ifdef TARGET_I386 | |
5930 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" | |
5931 | #endif | |
5932 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
5933 | "-smp n set the number of CPUs to 'n' [default=1]\n" | |
5934 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
5935 | #ifndef _WIN32 | |
5936 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
5937 | #endif | |
5938 | #ifdef HAS_AUDIO | |
5939 | "-audio-help print list of audio drivers and their options\n" | |
5940 | "-soundhw c1,... enable audio support\n" | |
5941 | " and only specified sound cards (comma separated list)\n" | |
5942 | " use -soundhw ? to get the list of supported cards\n" | |
5943 | " use -soundhw all to enable all of them\n" | |
5944 | #endif | |
5945 | "-localtime set the real time clock to local time [default=utc]\n" | |
5946 | "-full-screen start in full screen\n" | |
5947 | #ifdef TARGET_I386 | |
5948 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
5949 | #endif | |
5950 | "-usb enable the USB driver (will be the default soon)\n" | |
5951 | "-usbdevice name add the host or guest USB device 'name'\n" | |
5952 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
5953 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
5954 | #endif | |
5955 | "\n" | |
5956 | "Network options:\n" | |
5957 | "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" | |
5958 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
5959 | #ifdef CONFIG_SLIRP | |
5960 | "-net user[,vlan=n][,hostname=host]\n" | |
5961 | " connect the user mode network stack to VLAN 'n' and send\n" | |
5962 | " hostname 'host' to DHCP clients\n" | |
5963 | #endif | |
5964 | #ifdef _WIN32 | |
5965 | "-net tap[,vlan=n],ifname=name\n" | |
5966 | " connect the host TAP network interface to VLAN 'n'\n" | |
5967 | #else | |
5968 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n" | |
5969 | " connect the host TAP network interface to VLAN 'n' and use\n" | |
5970 | " the network script 'file' (default=%s);\n" | |
5971 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
5972 | #endif | |
5973 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
5974 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
5975 | "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" | |
5976 | " connect the vlan 'n' to multicast maddr and port\n" | |
5977 | "-net none use it alone to have zero network devices; if no -net option\n" | |
5978 | " is provided, the default is '-net nic -net user'\n" | |
5979 | "\n" | |
5980 | #ifdef CONFIG_SLIRP | |
5981 | "-tftp prefix allow tftp access to files starting with prefix [-net user]\n" | |
5982 | #ifndef _WIN32 | |
5983 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
5984 | #endif | |
5985 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
5986 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
5987 | #endif | |
5988 | "\n" | |
5989 | "Linux boot specific:\n" | |
5990 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
5991 | "-append cmdline use 'cmdline' as kernel command line\n" | |
5992 | "-initrd file use 'file' as initial ram disk\n" | |
5993 | "\n" | |
5994 | "Debug/Expert options:\n" | |
5995 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
5996 | "-serial dev redirect the serial port to char device 'dev'\n" | |
5997 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
5998 | "-pidfile file Write PID to 'file'\n" | |
5999 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
6000 | "-s wait gdb connection to port %d\n" | |
6001 | "-p port change gdb connection port\n" | |
6002 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
6003 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
6004 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
6005 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" | |
6006 | #ifdef USE_KQEMU | |
6007 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" | |
6008 | "-no-kqemu disable KQEMU kernel module usage\n" | |
6009 | #endif | |
6010 | #ifdef USE_CODE_COPY | |
6011 | "-no-code-copy disable code copy acceleration\n" | |
6012 | #endif | |
6013 | #ifdef TARGET_I386 | |
6014 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" | |
6015 | " (default is CL-GD5446 PCI VGA)\n" | |
6016 | "-no-acpi disable ACPI\n" | |
6017 | #endif | |
6018 | "-no-reboot exit instead of rebooting\n" | |
6019 | "-loadvm file start right away with a saved state (loadvm in monitor)\n" | |
6020 | "-vnc display start a VNC server on display\n" | |
6021 | "\n" | |
6022 | "During emulation, the following keys are useful:\n" | |
6023 | "ctrl-alt-f toggle full screen\n" | |
6024 | "ctrl-alt-n switch to virtual console 'n'\n" | |
6025 | "ctrl-alt toggle mouse and keyboard grab\n" | |
6026 | "\n" | |
6027 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
6028 | , | |
6029 | "qemu", | |
6030 | DEFAULT_RAM_SIZE, | |
6031 | #ifndef _WIN32 | |
6032 | DEFAULT_NETWORK_SCRIPT, | |
6033 | #endif | |
6034 | DEFAULT_GDBSTUB_PORT, | |
6035 | "/tmp/qemu.log"); | |
6036 | exit(1); | |
6037 | } | |
6038 | ||
6039 | #define HAS_ARG 0x0001 | |
6040 | ||
6041 | enum { | |
6042 | QEMU_OPTION_h, | |
6043 | ||
6044 | QEMU_OPTION_M, | |
6045 | QEMU_OPTION_fda, | |
6046 | QEMU_OPTION_fdb, | |
6047 | QEMU_OPTION_hda, | |
6048 | QEMU_OPTION_hdb, | |
6049 | QEMU_OPTION_hdc, | |
6050 | QEMU_OPTION_hdd, | |
6051 | QEMU_OPTION_cdrom, | |
6052 | QEMU_OPTION_boot, | |
6053 | QEMU_OPTION_snapshot, | |
6054 | #ifdef TARGET_I386 | |
6055 | QEMU_OPTION_no_fd_bootchk, | |
6056 | #endif | |
6057 | QEMU_OPTION_m, | |
6058 | QEMU_OPTION_nographic, | |
6059 | #ifdef HAS_AUDIO | |
6060 | QEMU_OPTION_audio_help, | |
6061 | QEMU_OPTION_soundhw, | |
6062 | #endif | |
6063 | ||
6064 | QEMU_OPTION_net, | |
6065 | QEMU_OPTION_tftp, | |
6066 | QEMU_OPTION_smb, | |
6067 | QEMU_OPTION_redir, | |
6068 | ||
6069 | QEMU_OPTION_kernel, | |
6070 | QEMU_OPTION_append, | |
6071 | QEMU_OPTION_initrd, | |
6072 | ||
6073 | QEMU_OPTION_S, | |
6074 | QEMU_OPTION_s, | |
6075 | QEMU_OPTION_p, | |
6076 | QEMU_OPTION_d, | |
6077 | QEMU_OPTION_hdachs, | |
6078 | QEMU_OPTION_L, | |
6079 | QEMU_OPTION_no_code_copy, | |
6080 | QEMU_OPTION_k, | |
6081 | QEMU_OPTION_localtime, | |
6082 | QEMU_OPTION_cirrusvga, | |
6083 | QEMU_OPTION_g, | |
6084 | QEMU_OPTION_std_vga, | |
6085 | QEMU_OPTION_monitor, | |
6086 | QEMU_OPTION_serial, | |
6087 | QEMU_OPTION_parallel, | |
6088 | QEMU_OPTION_loadvm, | |
6089 | QEMU_OPTION_full_screen, | |
6090 | QEMU_OPTION_no_quit, | |
6091 | QEMU_OPTION_pidfile, | |
6092 | QEMU_OPTION_no_kqemu, | |
6093 | QEMU_OPTION_kernel_kqemu, | |
6094 | QEMU_OPTION_win2k_hack, | |
6095 | QEMU_OPTION_usb, | |
6096 | QEMU_OPTION_usbdevice, | |
6097 | QEMU_OPTION_smp, | |
6098 | QEMU_OPTION_vnc, | |
6099 | QEMU_OPTION_no_acpi, | |
6100 | QEMU_OPTION_no_reboot, | |
6101 | }; | |
6102 | ||
6103 | typedef struct QEMUOption { | |
6104 | const char *name; | |
6105 | int flags; | |
6106 | int index; | |
6107 | } QEMUOption; | |
6108 | ||
6109 | const QEMUOption qemu_options[] = { | |
6110 | { "h", 0, QEMU_OPTION_h }, | |
6111 | ||
6112 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
6113 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
6114 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
6115 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
6116 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
6117 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
6118 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
6119 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
6120 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
6121 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
6122 | #ifdef TARGET_I386 | |
6123 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, | |
6124 | #endif | |
6125 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
6126 | { "nographic", 0, QEMU_OPTION_nographic }, | |
6127 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
6128 | #ifdef HAS_AUDIO | |
6129 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
6130 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
6131 | #endif | |
6132 | ||
6133 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
6134 | #ifdef CONFIG_SLIRP | |
6135 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
6136 | #ifndef _WIN32 | |
6137 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
6138 | #endif | |
6139 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
6140 | #endif | |
6141 | ||
6142 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
6143 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
6144 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
6145 | ||
6146 | { "S", 0, QEMU_OPTION_S }, | |
6147 | { "s", 0, QEMU_OPTION_s }, | |
6148 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
6149 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
6150 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
6151 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
6152 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
6153 | #ifdef USE_KQEMU | |
6154 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
6155 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, | |
6156 | #endif | |
6157 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
6158 | { "g", 1, QEMU_OPTION_g }, | |
6159 | #endif | |
6160 | { "localtime", 0, QEMU_OPTION_localtime }, | |
6161 | { "std-vga", 0, QEMU_OPTION_std_vga }, | |
6162 | { "monitor", 1, QEMU_OPTION_monitor }, | |
6163 | { "serial", 1, QEMU_OPTION_serial }, | |
6164 | { "parallel", 1, QEMU_OPTION_parallel }, | |
6165 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
6166 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
6167 | #ifdef CONFIG_SDL | |
6168 | { "no-quit", 0, QEMU_OPTION_no_quit }, | |
6169 | #endif | |
6170 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
6171 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
6172 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
6173 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
6174 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, | |
6175 | ||
6176 | /* temporary options */ | |
6177 | { "usb", 0, QEMU_OPTION_usb }, | |
6178 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
6179 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, | |
6180 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, | |
6181 | { NULL }, | |
6182 | }; | |
6183 | ||
6184 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
6185 | ||
6186 | /* this stack is only used during signal handling */ | |
6187 | #define SIGNAL_STACK_SIZE 32768 | |
6188 | ||
6189 | static uint8_t *signal_stack; | |
6190 | ||
6191 | #endif | |
6192 | ||
6193 | /* password input */ | |
6194 | ||
6195 | static BlockDriverState *get_bdrv(int index) | |
6196 | { | |
6197 | BlockDriverState *bs; | |
6198 | ||
6199 | if (index < 4) { | |
6200 | bs = bs_table[index]; | |
6201 | } else if (index < 6) { | |
6202 | bs = fd_table[index - 4]; | |
6203 | } else { | |
6204 | bs = NULL; | |
6205 | } | |
6206 | return bs; | |
6207 | } | |
6208 | ||
6209 | static void read_passwords(void) | |
6210 | { | |
6211 | BlockDriverState *bs; | |
6212 | int i, j; | |
6213 | char password[256]; | |
6214 | ||
6215 | for(i = 0; i < 6; i++) { | |
6216 | bs = get_bdrv(i); | |
6217 | if (bs && bdrv_is_encrypted(bs)) { | |
6218 | term_printf("%s is encrypted.\n", bdrv_get_device_name(bs)); | |
6219 | for(j = 0; j < 3; j++) { | |
6220 | monitor_readline("Password: ", | |
6221 | 1, password, sizeof(password)); | |
6222 | if (bdrv_set_key(bs, password) == 0) | |
6223 | break; | |
6224 | term_printf("invalid password\n"); | |
6225 | } | |
6226 | } | |
6227 | } | |
6228 | } | |
6229 | ||
6230 | /* XXX: currently we cannot use simultaneously different CPUs */ | |
6231 | void register_machines(void) | |
6232 | { | |
6233 | #if defined(TARGET_I386) | |
6234 | qemu_register_machine(&pc_machine); | |
6235 | qemu_register_machine(&isapc_machine); | |
6236 | #elif defined(TARGET_PPC) | |
6237 | qemu_register_machine(&heathrow_machine); | |
6238 | qemu_register_machine(&core99_machine); | |
6239 | qemu_register_machine(&prep_machine); | |
6240 | #elif defined(TARGET_MIPS) | |
6241 | qemu_register_machine(&mips_machine); | |
6242 | #elif defined(TARGET_SPARC) | |
6243 | #ifdef TARGET_SPARC64 | |
6244 | qemu_register_machine(&sun4u_machine); | |
6245 | #else | |
6246 | qemu_register_machine(&sun4m_machine); | |
6247 | #endif | |
6248 | #elif defined(TARGET_ARM) | |
6249 | qemu_register_machine(&integratorcp926_machine); | |
6250 | qemu_register_machine(&integratorcp1026_machine); | |
6251 | qemu_register_machine(&versatilepb_machine); | |
6252 | qemu_register_machine(&versatileab_machine); | |
6253 | qemu_register_machine(&realview_machine); | |
6254 | #elif defined(TARGET_SH4) | |
6255 | qemu_register_machine(&shix_machine); | |
6256 | #else | |
6257 | #error unsupported CPU | |
6258 | #endif | |
6259 | } | |
6260 | ||
6261 | #ifdef HAS_AUDIO | |
6262 | struct soundhw soundhw[] = { | |
6263 | #ifdef TARGET_I386 | |
6264 | { | |
6265 | "pcspk", | |
6266 | "PC speaker", | |
6267 | 0, | |
6268 | 1, | |
6269 | { .init_isa = pcspk_audio_init } | |
6270 | }, | |
6271 | #endif | |
6272 | { | |
6273 | "sb16", | |
6274 | "Creative Sound Blaster 16", | |
6275 | 0, | |
6276 | 1, | |
6277 | { .init_isa = SB16_init } | |
6278 | }, | |
6279 | ||
6280 | #ifdef CONFIG_ADLIB | |
6281 | { | |
6282 | "adlib", | |
6283 | #ifdef HAS_YMF262 | |
6284 | "Yamaha YMF262 (OPL3)", | |
6285 | #else | |
6286 | "Yamaha YM3812 (OPL2)", | |
6287 | #endif | |
6288 | 0, | |
6289 | 1, | |
6290 | { .init_isa = Adlib_init } | |
6291 | }, | |
6292 | #endif | |
6293 | ||
6294 | #ifdef CONFIG_GUS | |
6295 | { | |
6296 | "gus", | |
6297 | "Gravis Ultrasound GF1", | |
6298 | 0, | |
6299 | 1, | |
6300 | { .init_isa = GUS_init } | |
6301 | }, | |
6302 | #endif | |
6303 | ||
6304 | { | |
6305 | "es1370", | |
6306 | "ENSONIQ AudioPCI ES1370", | |
6307 | 0, | |
6308 | 0, | |
6309 | { .init_pci = es1370_init } | |
6310 | }, | |
6311 | ||
6312 | { NULL, NULL, 0, 0, { NULL } } | |
6313 | }; | |
6314 | ||
6315 | static void select_soundhw (const char *optarg) | |
6316 | { | |
6317 | struct soundhw *c; | |
6318 | ||
6319 | if (*optarg == '?') { | |
6320 | show_valid_cards: | |
6321 | ||
6322 | printf ("Valid sound card names (comma separated):\n"); | |
6323 | for (c = soundhw; c->name; ++c) { | |
6324 | printf ("%-11s %s\n", c->name, c->descr); | |
6325 | } | |
6326 | printf ("\n-soundhw all will enable all of the above\n"); | |
6327 | exit (*optarg != '?'); | |
6328 | } | |
6329 | else { | |
6330 | size_t l; | |
6331 | const char *p; | |
6332 | char *e; | |
6333 | int bad_card = 0; | |
6334 | ||
6335 | if (!strcmp (optarg, "all")) { | |
6336 | for (c = soundhw; c->name; ++c) { | |
6337 | c->enabled = 1; | |
6338 | } | |
6339 | return; | |
6340 | } | |
6341 | ||
6342 | p = optarg; | |
6343 | while (*p) { | |
6344 | e = strchr (p, ','); | |
6345 | l = !e ? strlen (p) : (size_t) (e - p); | |
6346 | ||
6347 | for (c = soundhw; c->name; ++c) { | |
6348 | if (!strncmp (c->name, p, l)) { | |
6349 | c->enabled = 1; | |
6350 | break; | |
6351 | } | |
6352 | } | |
6353 | ||
6354 | if (!c->name) { | |
6355 | if (l > 80) { | |
6356 | fprintf (stderr, | |
6357 | "Unknown sound card name (too big to show)\n"); | |
6358 | } | |
6359 | else { | |
6360 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
6361 | (int) l, p); | |
6362 | } | |
6363 | bad_card = 1; | |
6364 | } | |
6365 | p += l + (e != NULL); | |
6366 | } | |
6367 | ||
6368 | if (bad_card) | |
6369 | goto show_valid_cards; | |
6370 | } | |
6371 | } | |
6372 | #endif | |
6373 | ||
6374 | #ifdef _WIN32 | |
6375 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
6376 | { | |
6377 | exit(STATUS_CONTROL_C_EXIT); | |
6378 | return TRUE; | |
6379 | } | |
6380 | #endif | |
6381 | ||
6382 | #define MAX_NET_CLIENTS 32 | |
6383 | ||
6384 | int main(int argc, char **argv) | |
6385 | { | |
6386 | #ifdef CONFIG_GDBSTUB | |
6387 | int use_gdbstub, gdbstub_port; | |
6388 | #endif | |
6389 | int i, cdrom_index; | |
6390 | int snapshot, linux_boot; | |
6391 | const char *initrd_filename; | |
6392 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; | |
6393 | const char *kernel_filename, *kernel_cmdline; | |
6394 | DisplayState *ds = &display_state; | |
6395 | int cyls, heads, secs, translation; | |
6396 | int start_emulation = 1; | |
6397 | char net_clients[MAX_NET_CLIENTS][256]; | |
6398 | int nb_net_clients; | |
6399 | int optind; | |
6400 | const char *r, *optarg; | |
6401 | CharDriverState *monitor_hd; | |
6402 | char monitor_device[128]; | |
6403 | char serial_devices[MAX_SERIAL_PORTS][128]; | |
6404 | int serial_device_index; | |
6405 | char parallel_devices[MAX_PARALLEL_PORTS][128]; | |
6406 | int parallel_device_index; | |
6407 | const char *loadvm = NULL; | |
6408 | QEMUMachine *machine; | |
6409 | char usb_devices[MAX_USB_CMDLINE][128]; | |
6410 | int usb_devices_index; | |
6411 | ||
6412 | LIST_INIT (&vm_change_state_head); | |
6413 | #ifndef _WIN32 | |
6414 | { | |
6415 | struct sigaction act; | |
6416 | sigfillset(&act.sa_mask); | |
6417 | act.sa_flags = 0; | |
6418 | act.sa_handler = SIG_IGN; | |
6419 | sigaction(SIGPIPE, &act, NULL); | |
6420 | } | |
6421 | #else | |
6422 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
6423 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
6424 | QEMU to run on a single CPU */ | |
6425 | { | |
6426 | HANDLE h; | |
6427 | DWORD mask, smask; | |
6428 | int i; | |
6429 | h = GetCurrentProcess(); | |
6430 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
6431 | for(i = 0; i < 32; i++) { | |
6432 | if (mask & (1 << i)) | |
6433 | break; | |
6434 | } | |
6435 | if (i != 32) { | |
6436 | mask = 1 << i; | |
6437 | SetProcessAffinityMask(h, mask); | |
6438 | } | |
6439 | } | |
6440 | } | |
6441 | #endif | |
6442 | ||
6443 | register_machines(); | |
6444 | machine = first_machine; | |
6445 | initrd_filename = NULL; | |
6446 | for(i = 0; i < MAX_FD; i++) | |
6447 | fd_filename[i] = NULL; | |
6448 | for(i = 0; i < MAX_DISKS; i++) | |
6449 | hd_filename[i] = NULL; | |
6450 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
6451 | vga_ram_size = VGA_RAM_SIZE; | |
6452 | bios_size = BIOS_SIZE; | |
6453 | #ifdef CONFIG_GDBSTUB | |
6454 | use_gdbstub = 0; | |
6455 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
6456 | #endif | |
6457 | snapshot = 0; | |
6458 | nographic = 0; | |
6459 | kernel_filename = NULL; | |
6460 | kernel_cmdline = ""; | |
6461 | #ifdef TARGET_PPC | |
6462 | cdrom_index = 1; | |
6463 | #else | |
6464 | cdrom_index = 2; | |
6465 | #endif | |
6466 | cyls = heads = secs = 0; | |
6467 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
6468 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); | |
6469 | ||
6470 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); | |
6471 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
6472 | serial_devices[i][0] = '\0'; | |
6473 | serial_device_index = 0; | |
6474 | ||
6475 | pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); | |
6476 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
6477 | parallel_devices[i][0] = '\0'; | |
6478 | parallel_device_index = 0; | |
6479 | ||
6480 | usb_devices_index = 0; | |
6481 | ||
6482 | nb_net_clients = 0; | |
6483 | ||
6484 | nb_nics = 0; | |
6485 | /* default mac address of the first network interface */ | |
6486 | ||
6487 | optind = 1; | |
6488 | for(;;) { | |
6489 | if (optind >= argc) | |
6490 | break; | |
6491 | r = argv[optind]; | |
6492 | if (r[0] != '-') { | |
6493 | hd_filename[0] = argv[optind++]; | |
6494 | } else { | |
6495 | const QEMUOption *popt; | |
6496 | ||
6497 | optind++; | |
6498 | popt = qemu_options; | |
6499 | for(;;) { | |
6500 | if (!popt->name) { | |
6501 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
6502 | argv[0], r); | |
6503 | exit(1); | |
6504 | } | |
6505 | if (!strcmp(popt->name, r + 1)) | |
6506 | break; | |
6507 | popt++; | |
6508 | } | |
6509 | if (popt->flags & HAS_ARG) { | |
6510 | if (optind >= argc) { | |
6511 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
6512 | argv[0], r); | |
6513 | exit(1); | |
6514 | } | |
6515 | optarg = argv[optind++]; | |
6516 | } else { | |
6517 | optarg = NULL; | |
6518 | } | |
6519 | ||
6520 | switch(popt->index) { | |
6521 | case QEMU_OPTION_M: | |
6522 | machine = find_machine(optarg); | |
6523 | if (!machine) { | |
6524 | QEMUMachine *m; | |
6525 | printf("Supported machines are:\n"); | |
6526 | for(m = first_machine; m != NULL; m = m->next) { | |
6527 | printf("%-10s %s%s\n", | |
6528 | m->name, m->desc, | |
6529 | m == first_machine ? " (default)" : ""); | |
6530 | } | |
6531 | exit(1); | |
6532 | } | |
6533 | break; | |
6534 | case QEMU_OPTION_initrd: | |
6535 | initrd_filename = optarg; | |
6536 | break; | |
6537 | case QEMU_OPTION_hda: | |
6538 | case QEMU_OPTION_hdb: | |
6539 | case QEMU_OPTION_hdc: | |
6540 | case QEMU_OPTION_hdd: | |
6541 | { | |
6542 | int hd_index; | |
6543 | hd_index = popt->index - QEMU_OPTION_hda; | |
6544 | hd_filename[hd_index] = optarg; | |
6545 | if (hd_index == cdrom_index) | |
6546 | cdrom_index = -1; | |
6547 | } | |
6548 | break; | |
6549 | case QEMU_OPTION_snapshot: | |
6550 | snapshot = 1; | |
6551 | break; | |
6552 | case QEMU_OPTION_hdachs: | |
6553 | { | |
6554 | const char *p; | |
6555 | p = optarg; | |
6556 | cyls = strtol(p, (char **)&p, 0); | |
6557 | if (cyls < 1 || cyls > 16383) | |
6558 | goto chs_fail; | |
6559 | if (*p != ',') | |
6560 | goto chs_fail; | |
6561 | p++; | |
6562 | heads = strtol(p, (char **)&p, 0); | |
6563 | if (heads < 1 || heads > 16) | |
6564 | goto chs_fail; | |
6565 | if (*p != ',') | |
6566 | goto chs_fail; | |
6567 | p++; | |
6568 | secs = strtol(p, (char **)&p, 0); | |
6569 | if (secs < 1 || secs > 63) | |
6570 | goto chs_fail; | |
6571 | if (*p == ',') { | |
6572 | p++; | |
6573 | if (!strcmp(p, "none")) | |
6574 | translation = BIOS_ATA_TRANSLATION_NONE; | |
6575 | else if (!strcmp(p, "lba")) | |
6576 | translation = BIOS_ATA_TRANSLATION_LBA; | |
6577 | else if (!strcmp(p, "auto")) | |
6578 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
6579 | else | |
6580 | goto chs_fail; | |
6581 | } else if (*p != '\0') { | |
6582 | chs_fail: | |
6583 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
6584 | exit(1); | |
6585 | } | |
6586 | } | |
6587 | break; | |
6588 | case QEMU_OPTION_nographic: | |
6589 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); | |
6590 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); | |
6591 | nographic = 1; | |
6592 | break; | |
6593 | case QEMU_OPTION_kernel: | |
6594 | kernel_filename = optarg; | |
6595 | break; | |
6596 | case QEMU_OPTION_append: | |
6597 | kernel_cmdline = optarg; | |
6598 | break; | |
6599 | case QEMU_OPTION_cdrom: | |
6600 | if (cdrom_index >= 0) { | |
6601 | hd_filename[cdrom_index] = optarg; | |
6602 | } | |
6603 | break; | |
6604 | case QEMU_OPTION_boot: | |
6605 | boot_device = optarg[0]; | |
6606 | if (boot_device != 'a' && | |
6607 | #ifdef TARGET_SPARC | |
6608 | // Network boot | |
6609 | boot_device != 'n' && | |
6610 | #endif | |
6611 | boot_device != 'c' && boot_device != 'd') { | |
6612 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); | |
6613 | exit(1); | |
6614 | } | |
6615 | break; | |
6616 | case QEMU_OPTION_fda: | |
6617 | fd_filename[0] = optarg; | |
6618 | break; | |
6619 | case QEMU_OPTION_fdb: | |
6620 | fd_filename[1] = optarg; | |
6621 | break; | |
6622 | #ifdef TARGET_I386 | |
6623 | case QEMU_OPTION_no_fd_bootchk: | |
6624 | fd_bootchk = 0; | |
6625 | break; | |
6626 | #endif | |
6627 | case QEMU_OPTION_no_code_copy: | |
6628 | code_copy_enabled = 0; | |
6629 | break; | |
6630 | case QEMU_OPTION_net: | |
6631 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
6632 | fprintf(stderr, "qemu: too many network clients\n"); | |
6633 | exit(1); | |
6634 | } | |
6635 | pstrcpy(net_clients[nb_net_clients], | |
6636 | sizeof(net_clients[0]), | |
6637 | optarg); | |
6638 | nb_net_clients++; | |
6639 | break; | |
6640 | #ifdef CONFIG_SLIRP | |
6641 | case QEMU_OPTION_tftp: | |
6642 | tftp_prefix = optarg; | |
6643 | break; | |
6644 | #ifndef _WIN32 | |
6645 | case QEMU_OPTION_smb: | |
6646 | net_slirp_smb(optarg); | |
6647 | break; | |
6648 | #endif | |
6649 | case QEMU_OPTION_redir: | |
6650 | net_slirp_redir(optarg); | |
6651 | break; | |
6652 | #endif | |
6653 | #ifdef HAS_AUDIO | |
6654 | case QEMU_OPTION_audio_help: | |
6655 | AUD_help (); | |
6656 | exit (0); | |
6657 | break; | |
6658 | case QEMU_OPTION_soundhw: | |
6659 | select_soundhw (optarg); | |
6660 | break; | |
6661 | #endif | |
6662 | case QEMU_OPTION_h: | |
6663 | help(); | |
6664 | break; | |
6665 | case QEMU_OPTION_m: | |
6666 | ram_size = atoi(optarg) * 1024 * 1024; | |
6667 | if (ram_size <= 0) | |
6668 | help(); | |
6669 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
6670 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
6671 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
6672 | exit(1); | |
6673 | } | |
6674 | break; | |
6675 | case QEMU_OPTION_d: | |
6676 | { | |
6677 | int mask; | |
6678 | CPULogItem *item; | |
6679 | ||
6680 | mask = cpu_str_to_log_mask(optarg); | |
6681 | if (!mask) { | |
6682 | printf("Log items (comma separated):\n"); | |
6683 | for(item = cpu_log_items; item->mask != 0; item++) { | |
6684 | printf("%-10s %s\n", item->name, item->help); | |
6685 | } | |
6686 | exit(1); | |
6687 | } | |
6688 | cpu_set_log(mask); | |
6689 | } | |
6690 | break; | |
6691 | #ifdef CONFIG_GDBSTUB | |
6692 | case QEMU_OPTION_s: | |
6693 | use_gdbstub = 1; | |
6694 | break; | |
6695 | case QEMU_OPTION_p: | |
6696 | gdbstub_port = atoi(optarg); | |
6697 | break; | |
6698 | #endif | |
6699 | case QEMU_OPTION_L: | |
6700 | bios_dir = optarg; | |
6701 | break; | |
6702 | case QEMU_OPTION_S: | |
6703 | start_emulation = 0; | |
6704 | break; | |
6705 | case QEMU_OPTION_k: | |
6706 | keyboard_layout = optarg; | |
6707 | break; | |
6708 | case QEMU_OPTION_localtime: | |
6709 | rtc_utc = 0; | |
6710 | break; | |
6711 | case QEMU_OPTION_cirrusvga: | |
6712 | cirrus_vga_enabled = 1; | |
6713 | break; | |
6714 | case QEMU_OPTION_std_vga: | |
6715 | cirrus_vga_enabled = 0; | |
6716 | break; | |
6717 | case QEMU_OPTION_g: | |
6718 | { | |
6719 | const char *p; | |
6720 | int w, h, depth; | |
6721 | p = optarg; | |
6722 | w = strtol(p, (char **)&p, 10); | |
6723 | if (w <= 0) { | |
6724 | graphic_error: | |
6725 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
6726 | exit(1); | |
6727 | } | |
6728 | if (*p != 'x') | |
6729 | goto graphic_error; | |
6730 | p++; | |
6731 | h = strtol(p, (char **)&p, 10); | |
6732 | if (h <= 0) | |
6733 | goto graphic_error; | |
6734 | if (*p == 'x') { | |
6735 | p++; | |
6736 | depth = strtol(p, (char **)&p, 10); | |
6737 | if (depth != 8 && depth != 15 && depth != 16 && | |
6738 | depth != 24 && depth != 32) | |
6739 | goto graphic_error; | |
6740 | } else if (*p == '\0') { | |
6741 | depth = graphic_depth; | |
6742 | } else { | |
6743 | goto graphic_error; | |
6744 | } | |
6745 | ||
6746 | graphic_width = w; | |
6747 | graphic_height = h; | |
6748 | graphic_depth = depth; | |
6749 | } | |
6750 | break; | |
6751 | case QEMU_OPTION_monitor: | |
6752 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
6753 | break; | |
6754 | case QEMU_OPTION_serial: | |
6755 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
6756 | fprintf(stderr, "qemu: too many serial ports\n"); | |
6757 | exit(1); | |
6758 | } | |
6759 | pstrcpy(serial_devices[serial_device_index], | |
6760 | sizeof(serial_devices[0]), optarg); | |
6761 | serial_device_index++; | |
6762 | break; | |
6763 | case QEMU_OPTION_parallel: | |
6764 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
6765 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
6766 | exit(1); | |
6767 | } | |
6768 | pstrcpy(parallel_devices[parallel_device_index], | |
6769 | sizeof(parallel_devices[0]), optarg); | |
6770 | parallel_device_index++; | |
6771 | break; | |
6772 | case QEMU_OPTION_loadvm: | |
6773 | loadvm = optarg; | |
6774 | break; | |
6775 | case QEMU_OPTION_full_screen: | |
6776 | full_screen = 1; | |
6777 | break; | |
6778 | #ifdef CONFIG_SDL | |
6779 | case QEMU_OPTION_no_quit: | |
6780 | no_quit = 1; | |
6781 | break; | |
6782 | #endif | |
6783 | case QEMU_OPTION_pidfile: | |
6784 | create_pidfile(optarg); | |
6785 | break; | |
6786 | #ifdef TARGET_I386 | |
6787 | case QEMU_OPTION_win2k_hack: | |
6788 | win2k_install_hack = 1; | |
6789 | break; | |
6790 | #endif | |
6791 | #ifdef USE_KQEMU | |
6792 | case QEMU_OPTION_no_kqemu: | |
6793 | kqemu_allowed = 0; | |
6794 | break; | |
6795 | case QEMU_OPTION_kernel_kqemu: | |
6796 | kqemu_allowed = 2; | |
6797 | break; | |
6798 | #endif | |
6799 | case QEMU_OPTION_usb: | |
6800 | usb_enabled = 1; | |
6801 | break; | |
6802 | case QEMU_OPTION_usbdevice: | |
6803 | usb_enabled = 1; | |
6804 | if (usb_devices_index >= MAX_USB_CMDLINE) { | |
6805 | fprintf(stderr, "Too many USB devices\n"); | |
6806 | exit(1); | |
6807 | } | |
6808 | pstrcpy(usb_devices[usb_devices_index], | |
6809 | sizeof(usb_devices[usb_devices_index]), | |
6810 | optarg); | |
6811 | usb_devices_index++; | |
6812 | break; | |
6813 | case QEMU_OPTION_smp: | |
6814 | smp_cpus = atoi(optarg); | |
6815 | if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { | |
6816 | fprintf(stderr, "Invalid number of CPUs\n"); | |
6817 | exit(1); | |
6818 | } | |
6819 | break; | |
6820 | case QEMU_OPTION_vnc: | |
6821 | vnc_display = optarg; | |
6822 | break; | |
6823 | case QEMU_OPTION_no_acpi: | |
6824 | acpi_enabled = 0; | |
6825 | break; | |
6826 | case QEMU_OPTION_no_reboot: | |
6827 | no_reboot = 1; | |
6828 | break; | |
6829 | } | |
6830 | } | |
6831 | } | |
6832 | ||
6833 | #ifdef USE_KQEMU | |
6834 | if (smp_cpus > 1) | |
6835 | kqemu_allowed = 0; | |
6836 | #endif | |
6837 | linux_boot = (kernel_filename != NULL); | |
6838 | ||
6839 | if (!linux_boot && | |
6840 | hd_filename[0] == '\0' && | |
6841 | (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') && | |
6842 | fd_filename[0] == '\0') | |
6843 | help(); | |
6844 | ||
6845 | /* boot to cd by default if no hard disk */ | |
6846 | if (hd_filename[0] == '\0' && boot_device == 'c') { | |
6847 | if (fd_filename[0] != '\0') | |
6848 | boot_device = 'a'; | |
6849 | else | |
6850 | boot_device = 'd'; | |
6851 | } | |
6852 | ||
6853 | setvbuf(stdout, NULL, _IOLBF, 0); | |
6854 | ||
6855 | init_timers(); | |
6856 | init_timer_alarm(); | |
6857 | qemu_aio_init(); | |
6858 | ||
6859 | #ifdef _WIN32 | |
6860 | socket_init(); | |
6861 | #endif | |
6862 | ||
6863 | /* init network clients */ | |
6864 | if (nb_net_clients == 0) { | |
6865 | /* if no clients, we use a default config */ | |
6866 | pstrcpy(net_clients[0], sizeof(net_clients[0]), | |
6867 | "nic"); | |
6868 | pstrcpy(net_clients[1], sizeof(net_clients[0]), | |
6869 | "user"); | |
6870 | nb_net_clients = 2; | |
6871 | } | |
6872 | ||
6873 | for(i = 0;i < nb_net_clients; i++) { | |
6874 | if (net_client_init(net_clients[i]) < 0) | |
6875 | exit(1); | |
6876 | } | |
6877 | ||
6878 | /* init the memory */ | |
6879 | phys_ram_size = ram_size + vga_ram_size + bios_size; | |
6880 | ||
6881 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
6882 | if (!phys_ram_base) { | |
6883 | fprintf(stderr, "Could not allocate physical memory\n"); | |
6884 | exit(1); | |
6885 | } | |
6886 | ||
6887 | /* we always create the cdrom drive, even if no disk is there */ | |
6888 | bdrv_init(); | |
6889 | if (cdrom_index >= 0) { | |
6890 | bs_table[cdrom_index] = bdrv_new("cdrom"); | |
6891 | bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); | |
6892 | } | |
6893 | ||
6894 | /* open the virtual block devices */ | |
6895 | for(i = 0; i < MAX_DISKS; i++) { | |
6896 | if (hd_filename[i]) { | |
6897 | if (!bs_table[i]) { | |
6898 | char buf[64]; | |
6899 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
6900 | bs_table[i] = bdrv_new(buf); | |
6901 | } | |
6902 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
6903 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", | |
6904 | hd_filename[i]); | |
6905 | exit(1); | |
6906 | } | |
6907 | if (i == 0 && cyls != 0) { | |
6908 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
6909 | bdrv_set_translation_hint(bs_table[i], translation); | |
6910 | } | |
6911 | } | |
6912 | } | |
6913 | ||
6914 | /* we always create at least one floppy disk */ | |
6915 | fd_table[0] = bdrv_new("fda"); | |
6916 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
6917 | ||
6918 | for(i = 0; i < MAX_FD; i++) { | |
6919 | if (fd_filename[i]) { | |
6920 | if (!fd_table[i]) { | |
6921 | char buf[64]; | |
6922 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
6923 | fd_table[i] = bdrv_new(buf); | |
6924 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
6925 | } | |
6926 | if (fd_filename[i] != '\0') { | |
6927 | if (bdrv_open(fd_table[i], fd_filename[i], | |
6928 | snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
6929 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", | |
6930 | fd_filename[i]); | |
6931 | exit(1); | |
6932 | } | |
6933 | } | |
6934 | } | |
6935 | } | |
6936 | ||
6937 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); | |
6938 | register_savevm("ram", 0, 2, ram_save, ram_load, NULL); | |
6939 | ||
6940 | init_ioports(); | |
6941 | ||
6942 | /* terminal init */ | |
6943 | if (nographic) { | |
6944 | dumb_display_init(ds); | |
6945 | } else if (vnc_display != NULL) { | |
6946 | vnc_display_init(ds, vnc_display); | |
6947 | } else { | |
6948 | #if defined(CONFIG_SDL) | |
6949 | sdl_display_init(ds, full_screen); | |
6950 | #elif defined(CONFIG_COCOA) | |
6951 | cocoa_display_init(ds, full_screen); | |
6952 | #else | |
6953 | dumb_display_init(ds); | |
6954 | #endif | |
6955 | } | |
6956 | ||
6957 | monitor_hd = qemu_chr_open(monitor_device); | |
6958 | if (!monitor_hd) { | |
6959 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
6960 | exit(1); | |
6961 | } | |
6962 | monitor_init(monitor_hd, !nographic); | |
6963 | ||
6964 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
6965 | const char *devname = serial_devices[i]; | |
6966 | if (devname[0] != '\0' && strcmp(devname, "none")) { | |
6967 | serial_hds[i] = qemu_chr_open(devname); | |
6968 | if (!serial_hds[i]) { | |
6969 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
6970 | devname); | |
6971 | exit(1); | |
6972 | } | |
6973 | if (!strcmp(devname, "vc")) | |
6974 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); | |
6975 | } | |
6976 | } | |
6977 | ||
6978 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
6979 | const char *devname = parallel_devices[i]; | |
6980 | if (devname[0] != '\0' && strcmp(devname, "none")) { | |
6981 | parallel_hds[i] = qemu_chr_open(devname); | |
6982 | if (!parallel_hds[i]) { | |
6983 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
6984 | devname); | |
6985 | exit(1); | |
6986 | } | |
6987 | if (!strcmp(devname, "vc")) | |
6988 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); | |
6989 | } | |
6990 | } | |
6991 | ||
6992 | machine->init(ram_size, vga_ram_size, boot_device, | |
6993 | ds, fd_filename, snapshot, | |
6994 | kernel_filename, kernel_cmdline, initrd_filename); | |
6995 | ||
6996 | /* init USB devices */ | |
6997 | if (usb_enabled) { | |
6998 | for(i = 0; i < usb_devices_index; i++) { | |
6999 | if (usb_device_add(usb_devices[i]) < 0) { | |
7000 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
7001 | usb_devices[i]); | |
7002 | } | |
7003 | } | |
7004 | } | |
7005 | ||
7006 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); | |
7007 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7008 | ||
7009 | #ifdef CONFIG_GDBSTUB | |
7010 | if (use_gdbstub) { | |
7011 | if (gdbserver_start(gdbstub_port) < 0) { | |
7012 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
7013 | gdbstub_port); | |
7014 | exit(1); | |
7015 | } else { | |
7016 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
7017 | } | |
7018 | } else | |
7019 | #endif | |
7020 | if (loadvm) | |
7021 | do_loadvm(loadvm); | |
7022 | ||
7023 | { | |
7024 | /* XXX: simplify init */ | |
7025 | read_passwords(); | |
7026 | if (start_emulation) { | |
7027 | vm_start(); | |
7028 | } | |
7029 | } | |
7030 | ||
7031 | main_loop(); | |
7032 | quit_timers(); | |
7033 | return 0; | |
7034 | } |