root / vl.c @ b8076a74
History | View | Annotate | Download (97 kB)
1 |
/*
|
---|---|
2 |
* QEMU System Emulator
|
3 |
*
|
4 |
* Copyright (c) 2003-2005 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 |
|
33 |
#ifndef _WIN32
|
34 |
#include <sys/times.h> |
35 |
#include <sys/wait.h> |
36 |
#include <termios.h> |
37 |
#include <sys/poll.h> |
38 |
#include <sys/mman.h> |
39 |
#include <sys/ioctl.h> |
40 |
#include <sys/socket.h> |
41 |
#include <netinet/in.h> |
42 |
#include <dirent.h> |
43 |
#ifdef _BSD
|
44 |
#include <sys/stat.h> |
45 |
#ifndef __APPLE__
|
46 |
#include <libutil.h> |
47 |
#endif
|
48 |
#else
|
49 |
#include <linux/if.h> |
50 |
#include <linux/if_tun.h> |
51 |
#include <pty.h> |
52 |
#include <malloc.h> |
53 |
#include <linux/rtc.h> |
54 |
#endif
|
55 |
#endif
|
56 |
|
57 |
#if defined(CONFIG_SLIRP)
|
58 |
#include "libslirp.h" |
59 |
#endif
|
60 |
|
61 |
#ifdef _WIN32
|
62 |
#include <malloc.h> |
63 |
#include <sys/timeb.h> |
64 |
#include <windows.h> |
65 |
#define getopt_long_only getopt_long
|
66 |
#define memalign(align, size) malloc(size)
|
67 |
#endif
|
68 |
|
69 |
#ifdef CONFIG_SDL
|
70 |
#ifdef __APPLE__
|
71 |
#include <SDL/SDL.h> |
72 |
#endif
|
73 |
#endif /* CONFIG_SDL */ |
74 |
|
75 |
#ifdef CONFIG_COCOA
|
76 |
#undef main
|
77 |
#define main qemu_main
|
78 |
#endif /* CONFIG_COCOA */ |
79 |
|
80 |
#include "disas.h" |
81 |
|
82 |
#include "exec-all.h" |
83 |
|
84 |
//#define DO_TB_FLUSH
|
85 |
|
86 |
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
87 |
|
88 |
//#define DEBUG_UNUSED_IOPORT
|
89 |
//#define DEBUG_IOPORT
|
90 |
|
91 |
#if !defined(CONFIG_SOFTMMU)
|
92 |
#define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
93 |
#else
|
94 |
#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) |
95 |
#endif
|
96 |
|
97 |
#ifdef TARGET_PPC
|
98 |
#define DEFAULT_RAM_SIZE 144 |
99 |
#else
|
100 |
#define DEFAULT_RAM_SIZE 128 |
101 |
#endif
|
102 |
/* in ms */
|
103 |
#define GUI_REFRESH_INTERVAL 30 |
104 |
|
105 |
/* XXX: use a two level table to limit memory usage */
|
106 |
#define MAX_IOPORTS 65536 |
107 |
|
108 |
const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
109 |
char phys_ram_file[1024]; |
110 |
CPUState *global_env; |
111 |
CPUState *cpu_single_env; |
112 |
void *ioport_opaque[MAX_IOPORTS];
|
113 |
IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
|
114 |
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
|
115 |
BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
116 |
int vga_ram_size;
|
117 |
int bios_size;
|
118 |
static DisplayState display_state;
|
119 |
int nographic;
|
120 |
const char* keyboard_layout = NULL; |
121 |
int64_t ticks_per_sec; |
122 |
int boot_device = 'c'; |
123 |
int ram_size;
|
124 |
static char network_script[1024]; |
125 |
int pit_min_timer_count = 0; |
126 |
int nb_nics;
|
127 |
NetDriverState nd_table[MAX_NICS]; |
128 |
QEMUTimer *gui_timer; |
129 |
int vm_running;
|
130 |
int audio_enabled = 0; |
131 |
int sb16_enabled = 1; |
132 |
int adlib_enabled = 1; |
133 |
int gus_enabled = 1; |
134 |
int pci_enabled = 1; |
135 |
int prep_enabled = 0; |
136 |
int rtc_utc = 1; |
137 |
int cirrus_vga_enabled = 1; |
138 |
#ifdef TARGET_SPARC
|
139 |
int graphic_width = 1024; |
140 |
int graphic_height = 768; |
141 |
#else
|
142 |
int graphic_width = 800; |
143 |
int graphic_height = 600; |
144 |
#endif
|
145 |
int graphic_depth = 15; |
146 |
int full_screen = 0; |
147 |
TextConsole *vga_console; |
148 |
CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
149 |
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
150 |
|
151 |
/***********************************************************/
|
152 |
/* x86 ISA bus support */
|
153 |
|
154 |
target_phys_addr_t isa_mem_base = 0;
|
155 |
|
156 |
uint32_t default_ioport_readb(void *opaque, uint32_t address)
|
157 |
{ |
158 |
#ifdef DEBUG_UNUSED_IOPORT
|
159 |
fprintf(stderr, "inb: port=0x%04x\n", address);
|
160 |
#endif
|
161 |
return 0xff; |
162 |
} |
163 |
|
164 |
void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
165 |
{ |
166 |
#ifdef DEBUG_UNUSED_IOPORT
|
167 |
fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
|
168 |
#endif
|
169 |
} |
170 |
|
171 |
/* default is to make two byte accesses */
|
172 |
uint32_t default_ioport_readw(void *opaque, uint32_t address)
|
173 |
{ |
174 |
uint32_t data; |
175 |
data = ioport_read_table[0][address](ioport_opaque[address], address);
|
176 |
address = (address + 1) & (MAX_IOPORTS - 1); |
177 |
data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; |
178 |
return data;
|
179 |
} |
180 |
|
181 |
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
182 |
{ |
183 |
ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
184 |
address = (address + 1) & (MAX_IOPORTS - 1); |
185 |
ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); |
186 |
} |
187 |
|
188 |
uint32_t default_ioport_readl(void *opaque, uint32_t address)
|
189 |
{ |
190 |
#ifdef DEBUG_UNUSED_IOPORT
|
191 |
fprintf(stderr, "inl: port=0x%04x\n", address);
|
192 |
#endif
|
193 |
return 0xffffffff; |
194 |
} |
195 |
|
196 |
void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
197 |
{ |
198 |
#ifdef DEBUG_UNUSED_IOPORT
|
199 |
fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
|
200 |
#endif
|
201 |
} |
202 |
|
203 |
void init_ioports(void) |
204 |
{ |
205 |
int i;
|
206 |
|
207 |
for(i = 0; i < MAX_IOPORTS; i++) { |
208 |
ioport_read_table[0][i] = default_ioport_readb;
|
209 |
ioport_write_table[0][i] = default_ioport_writeb;
|
210 |
ioport_read_table[1][i] = default_ioport_readw;
|
211 |
ioport_write_table[1][i] = default_ioport_writew;
|
212 |
ioport_read_table[2][i] = default_ioport_readl;
|
213 |
ioport_write_table[2][i] = default_ioport_writel;
|
214 |
} |
215 |
} |
216 |
|
217 |
/* size is the word size in byte */
|
218 |
int register_ioport_read(int start, int length, int size, |
219 |
IOPortReadFunc *func, void *opaque)
|
220 |
{ |
221 |
int i, bsize;
|
222 |
|
223 |
if (size == 1) { |
224 |
bsize = 0;
|
225 |
} else if (size == 2) { |
226 |
bsize = 1;
|
227 |
} else if (size == 4) { |
228 |
bsize = 2;
|
229 |
} else {
|
230 |
hw_error("register_ioport_read: invalid size");
|
231 |
return -1; |
232 |
} |
233 |
for(i = start; i < start + length; i += size) {
|
234 |
ioport_read_table[bsize][i] = func; |
235 |
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
236 |
hw_error("register_ioport_read: invalid opaque");
|
237 |
ioport_opaque[i] = opaque; |
238 |
} |
239 |
return 0; |
240 |
} |
241 |
|
242 |
/* size is the word size in byte */
|
243 |
int register_ioport_write(int start, int length, int size, |
244 |
IOPortWriteFunc *func, void *opaque)
|
245 |
{ |
246 |
int i, bsize;
|
247 |
|
248 |
if (size == 1) { |
249 |
bsize = 0;
|
250 |
} else if (size == 2) { |
251 |
bsize = 1;
|
252 |
} else if (size == 4) { |
253 |
bsize = 2;
|
254 |
} else {
|
255 |
hw_error("register_ioport_write: invalid size");
|
256 |
return -1; |
257 |
} |
258 |
for(i = start; i < start + length; i += size) {
|
259 |
ioport_write_table[bsize][i] = func; |
260 |
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
261 |
hw_error("register_ioport_read: invalid opaque");
|
262 |
ioport_opaque[i] = opaque; |
263 |
} |
264 |
return 0; |
265 |
} |
266 |
|
267 |
void isa_unassign_ioport(int start, int length) |
268 |
{ |
269 |
int i;
|
270 |
|
271 |
for(i = start; i < start + length; i++) {
|
272 |
ioport_read_table[0][i] = default_ioport_readb;
|
273 |
ioport_read_table[1][i] = default_ioport_readw;
|
274 |
ioport_read_table[2][i] = default_ioport_readl;
|
275 |
|
276 |
ioport_write_table[0][i] = default_ioport_writeb;
|
277 |
ioport_write_table[1][i] = default_ioport_writew;
|
278 |
ioport_write_table[2][i] = default_ioport_writel;
|
279 |
} |
280 |
} |
281 |
|
282 |
/***********************************************************/
|
283 |
|
284 |
void pstrcpy(char *buf, int buf_size, const char *str) |
285 |
{ |
286 |
int c;
|
287 |
char *q = buf;
|
288 |
|
289 |
if (buf_size <= 0) |
290 |
return;
|
291 |
|
292 |
for(;;) {
|
293 |
c = *str++; |
294 |
if (c == 0 || q >= buf + buf_size - 1) |
295 |
break;
|
296 |
*q++ = c; |
297 |
} |
298 |
*q = '\0';
|
299 |
} |
300 |
|
301 |
/* strcat and truncate. */
|
302 |
char *pstrcat(char *buf, int buf_size, const char *s) |
303 |
{ |
304 |
int len;
|
305 |
len = strlen(buf); |
306 |
if (len < buf_size)
|
307 |
pstrcpy(buf + len, buf_size - len, s); |
308 |
return buf;
|
309 |
} |
310 |
|
311 |
int strstart(const char *str, const char *val, const char **ptr) |
312 |
{ |
313 |
const char *p, *q; |
314 |
p = str; |
315 |
q = val; |
316 |
while (*q != '\0') { |
317 |
if (*p != *q)
|
318 |
return 0; |
319 |
p++; |
320 |
q++; |
321 |
} |
322 |
if (ptr)
|
323 |
*ptr = p; |
324 |
return 1; |
325 |
} |
326 |
|
327 |
/* return the size or -1 if error */
|
328 |
int get_image_size(const char *filename) |
329 |
{ |
330 |
int fd, size;
|
331 |
fd = open(filename, O_RDONLY | O_BINARY); |
332 |
if (fd < 0) |
333 |
return -1; |
334 |
size = lseek(fd, 0, SEEK_END);
|
335 |
close(fd); |
336 |
return size;
|
337 |
} |
338 |
|
339 |
/* return the size or -1 if error */
|
340 |
int load_image(const char *filename, uint8_t *addr) |
341 |
{ |
342 |
int fd, size;
|
343 |
fd = open(filename, O_RDONLY | O_BINARY); |
344 |
if (fd < 0) |
345 |
return -1; |
346 |
size = lseek(fd, 0, SEEK_END);
|
347 |
lseek(fd, 0, SEEK_SET);
|
348 |
if (read(fd, addr, size) != size) {
|
349 |
close(fd); |
350 |
return -1; |
351 |
} |
352 |
close(fd); |
353 |
return size;
|
354 |
} |
355 |
|
356 |
void cpu_outb(CPUState *env, int addr, int val) |
357 |
{ |
358 |
#ifdef DEBUG_IOPORT
|
359 |
if (loglevel & CPU_LOG_IOPORT)
|
360 |
fprintf(logfile, "outb: %04x %02x\n", addr, val);
|
361 |
#endif
|
362 |
ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
|
363 |
} |
364 |
|
365 |
void cpu_outw(CPUState *env, int addr, int val) |
366 |
{ |
367 |
#ifdef DEBUG_IOPORT
|
368 |
if (loglevel & CPU_LOG_IOPORT)
|
369 |
fprintf(logfile, "outw: %04x %04x\n", addr, val);
|
370 |
#endif
|
371 |
ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
|
372 |
} |
373 |
|
374 |
void cpu_outl(CPUState *env, int addr, int val) |
375 |
{ |
376 |
#ifdef DEBUG_IOPORT
|
377 |
if (loglevel & CPU_LOG_IOPORT)
|
378 |
fprintf(logfile, "outl: %04x %08x\n", addr, val);
|
379 |
#endif
|
380 |
ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
|
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 |
return val;
|
392 |
} |
393 |
|
394 |
int cpu_inw(CPUState *env, int addr) |
395 |
{ |
396 |
int val;
|
397 |
val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
|
398 |
#ifdef DEBUG_IOPORT
|
399 |
if (loglevel & CPU_LOG_IOPORT)
|
400 |
fprintf(logfile, "inw : %04x %04x\n", addr, val);
|
401 |
#endif
|
402 |
return val;
|
403 |
} |
404 |
|
405 |
int cpu_inl(CPUState *env, int addr) |
406 |
{ |
407 |
int val;
|
408 |
val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
|
409 |
#ifdef DEBUG_IOPORT
|
410 |
if (loglevel & CPU_LOG_IOPORT)
|
411 |
fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
412 |
#endif
|
413 |
return val;
|
414 |
} |
415 |
|
416 |
/***********************************************************/
|
417 |
void hw_error(const char *fmt, ...) |
418 |
{ |
419 |
va_list ap; |
420 |
|
421 |
va_start(ap, fmt); |
422 |
fprintf(stderr, "qemu: hardware error: ");
|
423 |
vfprintf(stderr, fmt, ap); |
424 |
fprintf(stderr, "\n");
|
425 |
#ifdef TARGET_I386
|
426 |
cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP); |
427 |
#else
|
428 |
cpu_dump_state(global_env, stderr, fprintf, 0);
|
429 |
#endif
|
430 |
va_end(ap); |
431 |
abort(); |
432 |
} |
433 |
|
434 |
/***********************************************************/
|
435 |
/* keyboard/mouse */
|
436 |
|
437 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
438 |
static void *qemu_put_kbd_event_opaque; |
439 |
static QEMUPutMouseEvent *qemu_put_mouse_event;
|
440 |
static void *qemu_put_mouse_event_opaque; |
441 |
|
442 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
443 |
{ |
444 |
qemu_put_kbd_event_opaque = opaque; |
445 |
qemu_put_kbd_event = func; |
446 |
} |
447 |
|
448 |
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) |
449 |
{ |
450 |
qemu_put_mouse_event_opaque = opaque; |
451 |
qemu_put_mouse_event = func; |
452 |
} |
453 |
|
454 |
void kbd_put_keycode(int keycode) |
455 |
{ |
456 |
if (qemu_put_kbd_event) {
|
457 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
458 |
} |
459 |
} |
460 |
|
461 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
462 |
{ |
463 |
if (qemu_put_mouse_event) {
|
464 |
qemu_put_mouse_event(qemu_put_mouse_event_opaque, |
465 |
dx, dy, dz, buttons_state); |
466 |
} |
467 |
} |
468 |
|
469 |
/***********************************************************/
|
470 |
/* timers */
|
471 |
|
472 |
#if defined(__powerpc__)
|
473 |
|
474 |
static inline uint32_t get_tbl(void) |
475 |
{ |
476 |
uint32_t tbl; |
477 |
asm volatile("mftb %0" : "=r" (tbl)); |
478 |
return tbl;
|
479 |
} |
480 |
|
481 |
static inline uint32_t get_tbu(void) |
482 |
{ |
483 |
uint32_t tbl; |
484 |
asm volatile("mftbu %0" : "=r" (tbl)); |
485 |
return tbl;
|
486 |
} |
487 |
|
488 |
int64_t cpu_get_real_ticks(void)
|
489 |
{ |
490 |
uint32_t l, h, h1; |
491 |
/* NOTE: we test if wrapping has occurred */
|
492 |
do {
|
493 |
h = get_tbu(); |
494 |
l = get_tbl(); |
495 |
h1 = get_tbu(); |
496 |
} while (h != h1);
|
497 |
return ((int64_t)h << 32) | l; |
498 |
} |
499 |
|
500 |
#elif defined(__i386__)
|
501 |
|
502 |
int64_t cpu_get_real_ticks(void)
|
503 |
{ |
504 |
int64_t val; |
505 |
asm volatile ("rdtsc" : "=A" (val)); |
506 |
return val;
|
507 |
} |
508 |
|
509 |
#elif defined(__x86_64__)
|
510 |
|
511 |
int64_t cpu_get_real_ticks(void)
|
512 |
{ |
513 |
uint32_t low,high; |
514 |
int64_t val; |
515 |
asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
516 |
val = high; |
517 |
val <<= 32;
|
518 |
val |= low; |
519 |
return val;
|
520 |
} |
521 |
|
522 |
#elif defined(__ia64)
|
523 |
|
524 |
int64_t cpu_get_real_ticks(void)
|
525 |
{ |
526 |
int64_t val; |
527 |
asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); |
528 |
return val;
|
529 |
} |
530 |
|
531 |
#else
|
532 |
#error unsupported CPU
|
533 |
#endif
|
534 |
|
535 |
static int64_t cpu_ticks_offset;
|
536 |
static int cpu_ticks_enabled; |
537 |
|
538 |
static inline int64_t cpu_get_ticks(void) |
539 |
{ |
540 |
if (!cpu_ticks_enabled) {
|
541 |
return cpu_ticks_offset;
|
542 |
} else {
|
543 |
return cpu_get_real_ticks() + cpu_ticks_offset;
|
544 |
} |
545 |
} |
546 |
|
547 |
/* enable cpu_get_ticks() */
|
548 |
void cpu_enable_ticks(void) |
549 |
{ |
550 |
if (!cpu_ticks_enabled) {
|
551 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
552 |
cpu_ticks_enabled = 1;
|
553 |
} |
554 |
} |
555 |
|
556 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
557 |
cpu_get_ticks() after that. */
|
558 |
void cpu_disable_ticks(void) |
559 |
{ |
560 |
if (cpu_ticks_enabled) {
|
561 |
cpu_ticks_offset = cpu_get_ticks(); |
562 |
cpu_ticks_enabled = 0;
|
563 |
} |
564 |
} |
565 |
|
566 |
static int64_t get_clock(void) |
567 |
{ |
568 |
#ifdef _WIN32
|
569 |
struct _timeb tb;
|
570 |
_ftime(&tb); |
571 |
return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; |
572 |
#else
|
573 |
struct timeval tv;
|
574 |
gettimeofday(&tv, NULL);
|
575 |
return tv.tv_sec * 1000000LL + tv.tv_usec; |
576 |
#endif
|
577 |
} |
578 |
|
579 |
void cpu_calibrate_ticks(void) |
580 |
{ |
581 |
int64_t usec, ticks; |
582 |
|
583 |
usec = get_clock(); |
584 |
ticks = cpu_get_real_ticks(); |
585 |
#ifdef _WIN32
|
586 |
Sleep(50);
|
587 |
#else
|
588 |
usleep(50 * 1000); |
589 |
#endif
|
590 |
usec = get_clock() - usec; |
591 |
ticks = cpu_get_real_ticks() - ticks; |
592 |
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
593 |
} |
594 |
|
595 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
596 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
597 |
{ |
598 |
union {
|
599 |
uint64_t ll; |
600 |
struct {
|
601 |
#ifdef WORDS_BIGENDIAN
|
602 |
uint32_t high, low; |
603 |
#else
|
604 |
uint32_t low, high; |
605 |
#endif
|
606 |
} l; |
607 |
} u, res; |
608 |
uint64_t rl, rh; |
609 |
|
610 |
u.ll = a; |
611 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
612 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
613 |
rh += (rl >> 32);
|
614 |
res.l.high = rh / c; |
615 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
616 |
return res.ll;
|
617 |
} |
618 |
|
619 |
#define QEMU_TIMER_REALTIME 0 |
620 |
#define QEMU_TIMER_VIRTUAL 1 |
621 |
|
622 |
struct QEMUClock {
|
623 |
int type;
|
624 |
/* XXX: add frequency */
|
625 |
}; |
626 |
|
627 |
struct QEMUTimer {
|
628 |
QEMUClock *clock; |
629 |
int64_t expire_time; |
630 |
QEMUTimerCB *cb; |
631 |
void *opaque;
|
632 |
struct QEMUTimer *next;
|
633 |
}; |
634 |
|
635 |
QEMUClock *rt_clock; |
636 |
QEMUClock *vm_clock; |
637 |
|
638 |
static QEMUTimer *active_timers[2]; |
639 |
#ifdef _WIN32
|
640 |
static MMRESULT timerID;
|
641 |
#else
|
642 |
/* frequency of the times() clock tick */
|
643 |
static int timer_freq; |
644 |
#endif
|
645 |
|
646 |
QEMUClock *qemu_new_clock(int type)
|
647 |
{ |
648 |
QEMUClock *clock; |
649 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
650 |
if (!clock)
|
651 |
return NULL; |
652 |
clock->type = type; |
653 |
return clock;
|
654 |
} |
655 |
|
656 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
657 |
{ |
658 |
QEMUTimer *ts; |
659 |
|
660 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
661 |
ts->clock = clock; |
662 |
ts->cb = cb; |
663 |
ts->opaque = opaque; |
664 |
return ts;
|
665 |
} |
666 |
|
667 |
void qemu_free_timer(QEMUTimer *ts)
|
668 |
{ |
669 |
qemu_free(ts); |
670 |
} |
671 |
|
672 |
/* stop a timer, but do not dealloc it */
|
673 |
void qemu_del_timer(QEMUTimer *ts)
|
674 |
{ |
675 |
QEMUTimer **pt, *t; |
676 |
|
677 |
/* NOTE: this code must be signal safe because
|
678 |
qemu_timer_expired() can be called from a signal. */
|
679 |
pt = &active_timers[ts->clock->type]; |
680 |
for(;;) {
|
681 |
t = *pt; |
682 |
if (!t)
|
683 |
break;
|
684 |
if (t == ts) {
|
685 |
*pt = t->next; |
686 |
break;
|
687 |
} |
688 |
pt = &t->next; |
689 |
} |
690 |
} |
691 |
|
692 |
/* modify the current timer so that it will be fired when current_time
|
693 |
>= expire_time. The corresponding callback will be called. */
|
694 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
695 |
{ |
696 |
QEMUTimer **pt, *t; |
697 |
|
698 |
qemu_del_timer(ts); |
699 |
|
700 |
/* add the timer in the sorted list */
|
701 |
/* NOTE: this code must be signal safe because
|
702 |
qemu_timer_expired() can be called from a signal. */
|
703 |
pt = &active_timers[ts->clock->type]; |
704 |
for(;;) {
|
705 |
t = *pt; |
706 |
if (!t)
|
707 |
break;
|
708 |
if (t->expire_time > expire_time)
|
709 |
break;
|
710 |
pt = &t->next; |
711 |
} |
712 |
ts->expire_time = expire_time; |
713 |
ts->next = *pt; |
714 |
*pt = ts; |
715 |
} |
716 |
|
717 |
int qemu_timer_pending(QEMUTimer *ts)
|
718 |
{ |
719 |
QEMUTimer *t; |
720 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
721 |
if (t == ts)
|
722 |
return 1; |
723 |
} |
724 |
return 0; |
725 |
} |
726 |
|
727 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
728 |
{ |
729 |
if (!timer_head)
|
730 |
return 0; |
731 |
return (timer_head->expire_time <= current_time);
|
732 |
} |
733 |
|
734 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
735 |
{ |
736 |
QEMUTimer *ts; |
737 |
|
738 |
for(;;) {
|
739 |
ts = *ptimer_head; |
740 |
if (!ts || ts->expire_time > current_time)
|
741 |
break;
|
742 |
/* remove timer from the list before calling the callback */
|
743 |
*ptimer_head = ts->next; |
744 |
ts->next = NULL;
|
745 |
|
746 |
/* run the callback (the timer list can be modified) */
|
747 |
ts->cb(ts->opaque); |
748 |
} |
749 |
} |
750 |
|
751 |
int64_t qemu_get_clock(QEMUClock *clock) |
752 |
{ |
753 |
switch(clock->type) {
|
754 |
case QEMU_TIMER_REALTIME:
|
755 |
#ifdef _WIN32
|
756 |
return GetTickCount();
|
757 |
#else
|
758 |
{ |
759 |
struct tms tp;
|
760 |
|
761 |
/* Note that using gettimeofday() is not a good solution
|
762 |
for timers because its value change when the date is
|
763 |
modified. */
|
764 |
if (timer_freq == 100) { |
765 |
return times(&tp) * 10; |
766 |
} else {
|
767 |
return ((int64_t)times(&tp) * 1000) / timer_freq; |
768 |
} |
769 |
} |
770 |
#endif
|
771 |
default:
|
772 |
case QEMU_TIMER_VIRTUAL:
|
773 |
return cpu_get_ticks();
|
774 |
} |
775 |
} |
776 |
|
777 |
/* save a timer */
|
778 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
779 |
{ |
780 |
uint64_t expire_time; |
781 |
|
782 |
if (qemu_timer_pending(ts)) {
|
783 |
expire_time = ts->expire_time; |
784 |
} else {
|
785 |
expire_time = -1;
|
786 |
} |
787 |
qemu_put_be64(f, expire_time); |
788 |
} |
789 |
|
790 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
791 |
{ |
792 |
uint64_t expire_time; |
793 |
|
794 |
expire_time = qemu_get_be64(f); |
795 |
if (expire_time != -1) { |
796 |
qemu_mod_timer(ts, expire_time); |
797 |
} else {
|
798 |
qemu_del_timer(ts); |
799 |
} |
800 |
} |
801 |
|
802 |
static void timer_save(QEMUFile *f, void *opaque) |
803 |
{ |
804 |
if (cpu_ticks_enabled) {
|
805 |
hw_error("cannot save state if virtual timers are running");
|
806 |
} |
807 |
qemu_put_be64s(f, &cpu_ticks_offset); |
808 |
qemu_put_be64s(f, &ticks_per_sec); |
809 |
} |
810 |
|
811 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
812 |
{ |
813 |
if (version_id != 1) |
814 |
return -EINVAL;
|
815 |
if (cpu_ticks_enabled) {
|
816 |
return -EINVAL;
|
817 |
} |
818 |
qemu_get_be64s(f, &cpu_ticks_offset); |
819 |
qemu_get_be64s(f, &ticks_per_sec); |
820 |
return 0; |
821 |
} |
822 |
|
823 |
#ifdef _WIN32
|
824 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
825 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
826 |
#else
|
827 |
static void host_alarm_handler(int host_signum) |
828 |
#endif
|
829 |
{ |
830 |
#if 0
|
831 |
#define DISP_FREQ 1000
|
832 |
{
|
833 |
static int64_t delta_min = INT64_MAX;
|
834 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
835 |
static int count;
|
836 |
ti = qemu_get_clock(vm_clock);
|
837 |
if (last_clock != 0) {
|
838 |
delta = ti - last_clock;
|
839 |
if (delta < delta_min)
|
840 |
delta_min = delta;
|
841 |
if (delta > delta_max)
|
842 |
delta_max = delta;
|
843 |
delta_cum += delta;
|
844 |
if (++count == DISP_FREQ) {
|
845 |
printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
|
846 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
847 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
848 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
849 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
850 |
count = 0;
|
851 |
delta_min = INT64_MAX;
|
852 |
delta_max = 0;
|
853 |
delta_cum = 0;
|
854 |
}
|
855 |
}
|
856 |
last_clock = ti;
|
857 |
}
|
858 |
#endif
|
859 |
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
860 |
qemu_get_clock(vm_clock)) || |
861 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
862 |
qemu_get_clock(rt_clock))) { |
863 |
/* stop the cpu because a timer occured */
|
864 |
cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); |
865 |
} |
866 |
} |
867 |
|
868 |
#ifndef _WIN32
|
869 |
|
870 |
#if defined(__linux__)
|
871 |
|
872 |
#define RTC_FREQ 1024 |
873 |
|
874 |
static int rtc_fd; |
875 |
|
876 |
static int start_rtc_timer(void) |
877 |
{ |
878 |
rtc_fd = open("/dev/rtc", O_RDONLY);
|
879 |
if (rtc_fd < 0) |
880 |
return -1; |
881 |
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
882 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
883 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
884 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
885 |
goto fail;
|
886 |
} |
887 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
888 |
fail:
|
889 |
close(rtc_fd); |
890 |
return -1; |
891 |
} |
892 |
pit_min_timer_count = PIT_FREQ / RTC_FREQ; |
893 |
return 0; |
894 |
} |
895 |
|
896 |
#else
|
897 |
|
898 |
static int start_rtc_timer(void) |
899 |
{ |
900 |
return -1; |
901 |
} |
902 |
|
903 |
#endif /* !defined(__linux__) */ |
904 |
|
905 |
#endif /* !defined(_WIN32) */ |
906 |
|
907 |
static void init_timers(void) |
908 |
{ |
909 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
910 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
911 |
|
912 |
#ifdef _WIN32
|
913 |
{ |
914 |
int count=0; |
915 |
timerID = timeSetEvent(10, // interval (ms) |
916 |
0, // resolution |
917 |
host_alarm_handler, // function
|
918 |
(DWORD)&count, // user parameter
|
919 |
TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
920 |
if( !timerID ) {
|
921 |
perror("failed timer alarm");
|
922 |
exit(1);
|
923 |
} |
924 |
} |
925 |
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
926 |
#else
|
927 |
{ |
928 |
struct sigaction act;
|
929 |
struct itimerval itv;
|
930 |
|
931 |
/* get times() syscall frequency */
|
932 |
timer_freq = sysconf(_SC_CLK_TCK); |
933 |
|
934 |
/* timer signal */
|
935 |
sigfillset(&act.sa_mask); |
936 |
act.sa_flags = 0;
|
937 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
938 |
act.sa_flags |= SA_ONSTACK; |
939 |
#endif
|
940 |
act.sa_handler = host_alarm_handler; |
941 |
sigaction(SIGALRM, &act, NULL);
|
942 |
|
943 |
itv.it_interval.tv_sec = 0;
|
944 |
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ |
945 |
itv.it_value.tv_sec = 0;
|
946 |
itv.it_value.tv_usec = 10 * 1000; |
947 |
setitimer(ITIMER_REAL, &itv, NULL);
|
948 |
/* we probe the tick duration of the kernel to inform the user if
|
949 |
the emulated kernel requested a too high timer frequency */
|
950 |
getitimer(ITIMER_REAL, &itv); |
951 |
|
952 |
#if defined(__linux__)
|
953 |
if (itv.it_interval.tv_usec > 1000) { |
954 |
/* try to use /dev/rtc to have a faster timer */
|
955 |
if (start_rtc_timer() < 0) |
956 |
goto use_itimer;
|
957 |
/* disable itimer */
|
958 |
itv.it_interval.tv_sec = 0;
|
959 |
itv.it_interval.tv_usec = 0;
|
960 |
itv.it_value.tv_sec = 0;
|
961 |
itv.it_value.tv_usec = 0;
|
962 |
setitimer(ITIMER_REAL, &itv, NULL);
|
963 |
|
964 |
/* use the RTC */
|
965 |
sigaction(SIGIO, &act, NULL);
|
966 |
fcntl(rtc_fd, F_SETFL, O_ASYNC); |
967 |
fcntl(rtc_fd, F_SETOWN, getpid()); |
968 |
} else
|
969 |
#endif /* defined(__linux__) */ |
970 |
{ |
971 |
use_itimer:
|
972 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * |
973 |
PIT_FREQ) / 1000000;
|
974 |
} |
975 |
} |
976 |
#endif
|
977 |
} |
978 |
|
979 |
void quit_timers(void) |
980 |
{ |
981 |
#ifdef _WIN32
|
982 |
timeKillEvent(timerID); |
983 |
#endif
|
984 |
} |
985 |
|
986 |
/***********************************************************/
|
987 |
/* character device */
|
988 |
|
989 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
990 |
{ |
991 |
return s->chr_write(s, buf, len);
|
992 |
} |
993 |
|
994 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
995 |
{ |
996 |
char buf[4096]; |
997 |
va_list ap; |
998 |
va_start(ap, fmt); |
999 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
1000 |
qemu_chr_write(s, buf, strlen(buf)); |
1001 |
va_end(ap); |
1002 |
} |
1003 |
|
1004 |
void qemu_chr_send_event(CharDriverState *s, int event) |
1005 |
{ |
1006 |
if (s->chr_send_event)
|
1007 |
s->chr_send_event(s, event); |
1008 |
} |
1009 |
|
1010 |
void qemu_chr_add_read_handler(CharDriverState *s,
|
1011 |
IOCanRWHandler *fd_can_read, |
1012 |
IOReadHandler *fd_read, void *opaque)
|
1013 |
{ |
1014 |
s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); |
1015 |
} |
1016 |
|
1017 |
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
|
1018 |
{ |
1019 |
s->chr_event = chr_event; |
1020 |
} |
1021 |
|
1022 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1023 |
{ |
1024 |
return len;
|
1025 |
} |
1026 |
|
1027 |
static void null_chr_add_read_handler(CharDriverState *chr, |
1028 |
IOCanRWHandler *fd_can_read, |
1029 |
IOReadHandler *fd_read, void *opaque)
|
1030 |
{ |
1031 |
} |
1032 |
|
1033 |
CharDriverState *qemu_chr_open_null(void)
|
1034 |
{ |
1035 |
CharDriverState *chr; |
1036 |
|
1037 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1038 |
if (!chr)
|
1039 |
return NULL; |
1040 |
chr->chr_write = null_chr_write; |
1041 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
1042 |
return chr;
|
1043 |
} |
1044 |
|
1045 |
#ifndef _WIN32
|
1046 |
|
1047 |
typedef struct { |
1048 |
int fd_in, fd_out;
|
1049 |
/* for nographic stdio only */
|
1050 |
IOCanRWHandler *fd_can_read; |
1051 |
IOReadHandler *fd_read; |
1052 |
void *fd_opaque;
|
1053 |
} FDCharDriver; |
1054 |
|
1055 |
#define STDIO_MAX_CLIENTS 2 |
1056 |
|
1057 |
static int stdio_nb_clients; |
1058 |
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
1059 |
|
1060 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
1061 |
{ |
1062 |
int ret, len;
|
1063 |
|
1064 |
len = len1; |
1065 |
while (len > 0) { |
1066 |
ret = write(fd, buf, len); |
1067 |
if (ret < 0) { |
1068 |
if (errno != EINTR && errno != EAGAIN)
|
1069 |
return -1; |
1070 |
} else if (ret == 0) { |
1071 |
break;
|
1072 |
} else {
|
1073 |
buf += ret; |
1074 |
len -= ret; |
1075 |
} |
1076 |
} |
1077 |
return len1 - len;
|
1078 |
} |
1079 |
|
1080 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1081 |
{ |
1082 |
FDCharDriver *s = chr->opaque; |
1083 |
return unix_write(s->fd_out, buf, len);
|
1084 |
} |
1085 |
|
1086 |
static void fd_chr_add_read_handler(CharDriverState *chr, |
1087 |
IOCanRWHandler *fd_can_read, |
1088 |
IOReadHandler *fd_read, void *opaque)
|
1089 |
{ |
1090 |
FDCharDriver *s = chr->opaque; |
1091 |
|
1092 |
if (nographic && s->fd_in == 0) { |
1093 |
s->fd_can_read = fd_can_read; |
1094 |
s->fd_read = fd_read; |
1095 |
s->fd_opaque = opaque; |
1096 |
} else {
|
1097 |
qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque); |
1098 |
} |
1099 |
} |
1100 |
|
1101 |
/* open a character device to a unix fd */
|
1102 |
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
1103 |
{ |
1104 |
CharDriverState *chr; |
1105 |
FDCharDriver *s; |
1106 |
|
1107 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1108 |
if (!chr)
|
1109 |
return NULL; |
1110 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
1111 |
if (!s) {
|
1112 |
free(chr); |
1113 |
return NULL; |
1114 |
} |
1115 |
s->fd_in = fd_in; |
1116 |
s->fd_out = fd_out; |
1117 |
chr->opaque = s; |
1118 |
chr->chr_write = fd_chr_write; |
1119 |
chr->chr_add_read_handler = fd_chr_add_read_handler; |
1120 |
return chr;
|
1121 |
} |
1122 |
|
1123 |
/* for STDIO, we handle the case where several clients use it
|
1124 |
(nographic mode) */
|
1125 |
|
1126 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
1127 |
|
1128 |
static int term_got_escape, client_index; |
1129 |
|
1130 |
void term_print_help(void) |
1131 |
{ |
1132 |
printf("\n"
|
1133 |
"C-a h print this help\n"
|
1134 |
"C-a x exit emulator\n"
|
1135 |
"C-a s save disk data back to file (if -snapshot)\n"
|
1136 |
"C-a b send break (magic sysrq)\n"
|
1137 |
"C-a c switch between console and monitor\n"
|
1138 |
"C-a C-a send C-a\n"
|
1139 |
); |
1140 |
} |
1141 |
|
1142 |
/* called when a char is received */
|
1143 |
static void stdio_received_byte(int ch) |
1144 |
{ |
1145 |
if (term_got_escape) {
|
1146 |
term_got_escape = 0;
|
1147 |
switch(ch) {
|
1148 |
case 'h': |
1149 |
term_print_help(); |
1150 |
break;
|
1151 |
case 'x': |
1152 |
exit(0);
|
1153 |
break;
|
1154 |
case 's': |
1155 |
{ |
1156 |
int i;
|
1157 |
for (i = 0; i < MAX_DISKS; i++) { |
1158 |
if (bs_table[i])
|
1159 |
bdrv_commit(bs_table[i]); |
1160 |
} |
1161 |
} |
1162 |
break;
|
1163 |
case 'b': |
1164 |
if (client_index < stdio_nb_clients) {
|
1165 |
CharDriverState *chr; |
1166 |
FDCharDriver *s; |
1167 |
|
1168 |
chr = stdio_clients[client_index]; |
1169 |
s = chr->opaque; |
1170 |
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); |
1171 |
} |
1172 |
break;
|
1173 |
case 'c': |
1174 |
client_index++; |
1175 |
if (client_index >= stdio_nb_clients)
|
1176 |
client_index = 0;
|
1177 |
if (client_index == 0) { |
1178 |
/* send a new line in the monitor to get the prompt */
|
1179 |
ch = '\r';
|
1180 |
goto send_char;
|
1181 |
} |
1182 |
break;
|
1183 |
case TERM_ESCAPE:
|
1184 |
goto send_char;
|
1185 |
} |
1186 |
} else if (ch == TERM_ESCAPE) { |
1187 |
term_got_escape = 1;
|
1188 |
} else {
|
1189 |
send_char:
|
1190 |
if (client_index < stdio_nb_clients) {
|
1191 |
uint8_t buf[1];
|
1192 |
CharDriverState *chr; |
1193 |
FDCharDriver *s; |
1194 |
|
1195 |
chr = stdio_clients[client_index]; |
1196 |
s = chr->opaque; |
1197 |
buf[0] = ch;
|
1198 |
/* XXX: should queue the char if the device is not
|
1199 |
ready */
|
1200 |
if (s->fd_can_read(s->fd_opaque) > 0) |
1201 |
s->fd_read(s->fd_opaque, buf, 1);
|
1202 |
} |
1203 |
} |
1204 |
} |
1205 |
|
1206 |
static int stdio_can_read(void *opaque) |
1207 |
{ |
1208 |
/* XXX: not strictly correct */
|
1209 |
return 1; |
1210 |
} |
1211 |
|
1212 |
static void stdio_read(void *opaque, const uint8_t *buf, int size) |
1213 |
{ |
1214 |
int i;
|
1215 |
for(i = 0; i < size; i++) |
1216 |
stdio_received_byte(buf[i]); |
1217 |
} |
1218 |
|
1219 |
/* init terminal so that we can grab keys */
|
1220 |
static struct termios oldtty; |
1221 |
static int old_fd0_flags; |
1222 |
|
1223 |
static void term_exit(void) |
1224 |
{ |
1225 |
tcsetattr (0, TCSANOW, &oldtty);
|
1226 |
fcntl(0, F_SETFL, old_fd0_flags);
|
1227 |
} |
1228 |
|
1229 |
static void term_init(void) |
1230 |
{ |
1231 |
struct termios tty;
|
1232 |
|
1233 |
tcgetattr (0, &tty);
|
1234 |
oldtty = tty; |
1235 |
old_fd0_flags = fcntl(0, F_GETFL);
|
1236 |
|
1237 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1238 |
|INLCR|IGNCR|ICRNL|IXON); |
1239 |
tty.c_oflag |= OPOST; |
1240 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1241 |
/* if graphical mode, we allow Ctrl-C handling */
|
1242 |
if (nographic)
|
1243 |
tty.c_lflag &= ~ISIG; |
1244 |
tty.c_cflag &= ~(CSIZE|PARENB); |
1245 |
tty.c_cflag |= CS8; |
1246 |
tty.c_cc[VMIN] = 1;
|
1247 |
tty.c_cc[VTIME] = 0;
|
1248 |
|
1249 |
tcsetattr (0, TCSANOW, &tty);
|
1250 |
|
1251 |
atexit(term_exit); |
1252 |
|
1253 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
1254 |
} |
1255 |
|
1256 |
CharDriverState *qemu_chr_open_stdio(void)
|
1257 |
{ |
1258 |
CharDriverState *chr; |
1259 |
|
1260 |
if (nographic) {
|
1261 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
1262 |
return NULL; |
1263 |
chr = qemu_chr_open_fd(0, 1); |
1264 |
if (stdio_nb_clients == 0) |
1265 |
qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL); |
1266 |
client_index = stdio_nb_clients; |
1267 |
} else {
|
1268 |
if (stdio_nb_clients != 0) |
1269 |
return NULL; |
1270 |
chr = qemu_chr_open_fd(0, 1); |
1271 |
} |
1272 |
stdio_clients[stdio_nb_clients++] = chr; |
1273 |
if (stdio_nb_clients == 1) { |
1274 |
/* set the terminal in raw mode */
|
1275 |
term_init(); |
1276 |
} |
1277 |
return chr;
|
1278 |
} |
1279 |
|
1280 |
#if defined(__linux__)
|
1281 |
CharDriverState *qemu_chr_open_pty(void)
|
1282 |
{ |
1283 |
char slave_name[1024]; |
1284 |
int master_fd, slave_fd;
|
1285 |
|
1286 |
/* Not satisfying */
|
1287 |
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
1288 |
return NULL; |
1289 |
} |
1290 |
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
1291 |
return qemu_chr_open_fd(master_fd, master_fd);
|
1292 |
} |
1293 |
#else
|
1294 |
CharDriverState *qemu_chr_open_pty(void)
|
1295 |
{ |
1296 |
return NULL; |
1297 |
} |
1298 |
#endif
|
1299 |
|
1300 |
#endif /* !defined(_WIN32) */ |
1301 |
|
1302 |
CharDriverState *qemu_chr_open(const char *filename) |
1303 |
{ |
1304 |
if (!strcmp(filename, "vc")) { |
1305 |
return text_console_init(&display_state);
|
1306 |
} else if (!strcmp(filename, "null")) { |
1307 |
return qemu_chr_open_null();
|
1308 |
} else
|
1309 |
#ifndef _WIN32
|
1310 |
if (!strcmp(filename, "pty")) { |
1311 |
return qemu_chr_open_pty();
|
1312 |
} else if (!strcmp(filename, "stdio")) { |
1313 |
return qemu_chr_open_stdio();
|
1314 |
} else
|
1315 |
#endif
|
1316 |
{ |
1317 |
return NULL; |
1318 |
} |
1319 |
} |
1320 |
|
1321 |
/***********************************************************/
|
1322 |
/* Linux network device redirectors */
|
1323 |
|
1324 |
void hex_dump(FILE *f, const uint8_t *buf, int size) |
1325 |
{ |
1326 |
int len, i, j, c;
|
1327 |
|
1328 |
for(i=0;i<size;i+=16) { |
1329 |
len = size - i; |
1330 |
if (len > 16) |
1331 |
len = 16;
|
1332 |
fprintf(f, "%08x ", i);
|
1333 |
for(j=0;j<16;j++) { |
1334 |
if (j < len)
|
1335 |
fprintf(f, " %02x", buf[i+j]);
|
1336 |
else
|
1337 |
fprintf(f, " ");
|
1338 |
} |
1339 |
fprintf(f, " ");
|
1340 |
for(j=0;j<len;j++) { |
1341 |
c = buf[i+j]; |
1342 |
if (c < ' ' || c > '~') |
1343 |
c = '.';
|
1344 |
fprintf(f, "%c", c);
|
1345 |
} |
1346 |
fprintf(f, "\n");
|
1347 |
} |
1348 |
} |
1349 |
|
1350 |
void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1351 |
{ |
1352 |
nd->send_packet(nd, buf, size); |
1353 |
} |
1354 |
|
1355 |
void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
|
1356 |
IOReadHandler *fd_read, void *opaque)
|
1357 |
{ |
1358 |
nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
1359 |
} |
1360 |
|
1361 |
/* dummy network adapter */
|
1362 |
|
1363 |
static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1364 |
{ |
1365 |
} |
1366 |
|
1367 |
static void dummy_add_read_packet(NetDriverState *nd, |
1368 |
IOCanRWHandler *fd_can_read, |
1369 |
IOReadHandler *fd_read, void *opaque)
|
1370 |
{ |
1371 |
} |
1372 |
|
1373 |
static int net_dummy_init(NetDriverState *nd) |
1374 |
{ |
1375 |
nd->send_packet = dummy_send_packet; |
1376 |
nd->add_read_packet = dummy_add_read_packet; |
1377 |
pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); |
1378 |
return 0; |
1379 |
} |
1380 |
|
1381 |
#if defined(CONFIG_SLIRP)
|
1382 |
|
1383 |
/* slirp network adapter */
|
1384 |
|
1385 |
static void *slirp_fd_opaque; |
1386 |
static IOCanRWHandler *slirp_fd_can_read;
|
1387 |
static IOReadHandler *slirp_fd_read;
|
1388 |
static int slirp_inited; |
1389 |
|
1390 |
int slirp_can_output(void) |
1391 |
{ |
1392 |
return slirp_fd_can_read(slirp_fd_opaque);
|
1393 |
} |
1394 |
|
1395 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
1396 |
{ |
1397 |
#if 0
|
1398 |
printf("output:\n");
|
1399 |
hex_dump(stdout, pkt, pkt_len);
|
1400 |
#endif
|
1401 |
slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); |
1402 |
} |
1403 |
|
1404 |
static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1405 |
{ |
1406 |
#if 0
|
1407 |
printf("input:\n");
|
1408 |
hex_dump(stdout, buf, size);
|
1409 |
#endif
|
1410 |
slirp_input(buf, size); |
1411 |
} |
1412 |
|
1413 |
static void slirp_add_read_packet(NetDriverState *nd, |
1414 |
IOCanRWHandler *fd_can_read, |
1415 |
IOReadHandler *fd_read, void *opaque)
|
1416 |
{ |
1417 |
slirp_fd_opaque = opaque; |
1418 |
slirp_fd_can_read = fd_can_read; |
1419 |
slirp_fd_read = fd_read; |
1420 |
} |
1421 |
|
1422 |
static int net_slirp_init(NetDriverState *nd) |
1423 |
{ |
1424 |
if (!slirp_inited) {
|
1425 |
slirp_inited = 1;
|
1426 |
slirp_init(); |
1427 |
} |
1428 |
nd->send_packet = slirp_send_packet; |
1429 |
nd->add_read_packet = slirp_add_read_packet; |
1430 |
pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); |
1431 |
return 0; |
1432 |
} |
1433 |
|
1434 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
1435 |
{ |
1436 |
const char *p, *p1; |
1437 |
int len;
|
1438 |
p = *pp; |
1439 |
p1 = strchr(p, sep); |
1440 |
if (!p1)
|
1441 |
return -1; |
1442 |
len = p1 - p; |
1443 |
p1++; |
1444 |
if (buf_size > 0) { |
1445 |
if (len > buf_size - 1) |
1446 |
len = buf_size - 1;
|
1447 |
memcpy(buf, p, len); |
1448 |
buf[len] = '\0';
|
1449 |
} |
1450 |
*pp = p1; |
1451 |
return 0; |
1452 |
} |
1453 |
|
1454 |
static void net_slirp_redir(const char *redir_str) |
1455 |
{ |
1456 |
int is_udp;
|
1457 |
char buf[256], *r; |
1458 |
const char *p; |
1459 |
struct in_addr guest_addr;
|
1460 |
int host_port, guest_port;
|
1461 |
|
1462 |
if (!slirp_inited) {
|
1463 |
slirp_inited = 1;
|
1464 |
slirp_init(); |
1465 |
} |
1466 |
|
1467 |
p = redir_str; |
1468 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1469 |
goto fail;
|
1470 |
if (!strcmp(buf, "tcp")) { |
1471 |
is_udp = 0;
|
1472 |
} else if (!strcmp(buf, "udp")) { |
1473 |
is_udp = 1;
|
1474 |
} else {
|
1475 |
goto fail;
|
1476 |
} |
1477 |
|
1478 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1479 |
goto fail;
|
1480 |
host_port = strtol(buf, &r, 0);
|
1481 |
if (r == buf)
|
1482 |
goto fail;
|
1483 |
|
1484 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
1485 |
goto fail;
|
1486 |
if (buf[0] == '\0') { |
1487 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
1488 |
} |
1489 |
if (!inet_aton(buf, &guest_addr))
|
1490 |
goto fail;
|
1491 |
|
1492 |
guest_port = strtol(p, &r, 0);
|
1493 |
if (r == p)
|
1494 |
goto fail;
|
1495 |
|
1496 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
1497 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
1498 |
exit(1);
|
1499 |
} |
1500 |
return;
|
1501 |
fail:
|
1502 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
1503 |
exit(1);
|
1504 |
} |
1505 |
|
1506 |
#ifndef _WIN32
|
1507 |
|
1508 |
char smb_dir[1024]; |
1509 |
|
1510 |
static void smb_exit(void) |
1511 |
{ |
1512 |
DIR *d; |
1513 |
struct dirent *de;
|
1514 |
char filename[1024]; |
1515 |
|
1516 |
/* erase all the files in the directory */
|
1517 |
d = opendir(smb_dir); |
1518 |
for(;;) {
|
1519 |
de = readdir(d); |
1520 |
if (!de)
|
1521 |
break;
|
1522 |
if (strcmp(de->d_name, ".") != 0 && |
1523 |
strcmp(de->d_name, "..") != 0) { |
1524 |
snprintf(filename, sizeof(filename), "%s/%s", |
1525 |
smb_dir, de->d_name); |
1526 |
unlink(filename); |
1527 |
} |
1528 |
} |
1529 |
closedir(d); |
1530 |
rmdir(smb_dir); |
1531 |
} |
1532 |
|
1533 |
/* automatic user mode samba server configuration */
|
1534 |
void net_slirp_smb(const char *exported_dir) |
1535 |
{ |
1536 |
char smb_conf[1024]; |
1537 |
char smb_cmdline[1024]; |
1538 |
FILE *f; |
1539 |
|
1540 |
if (!slirp_inited) {
|
1541 |
slirp_inited = 1;
|
1542 |
slirp_init(); |
1543 |
} |
1544 |
|
1545 |
/* XXX: better tmp dir construction */
|
1546 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
1547 |
if (mkdir(smb_dir, 0700) < 0) { |
1548 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
1549 |
exit(1);
|
1550 |
} |
1551 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
1552 |
|
1553 |
f = fopen(smb_conf, "w");
|
1554 |
if (!f) {
|
1555 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
1556 |
exit(1);
|
1557 |
} |
1558 |
fprintf(f, |
1559 |
"[global]\n"
|
1560 |
"private dir=%s\n"
|
1561 |
"smb ports=0\n"
|
1562 |
"socket address=127.0.0.1\n"
|
1563 |
"pid directory=%s\n"
|
1564 |
"lock directory=%s\n"
|
1565 |
"log file=%s/log.smbd\n"
|
1566 |
"smb passwd file=%s/smbpasswd\n"
|
1567 |
"security = share\n"
|
1568 |
"[qemu]\n"
|
1569 |
"path=%s\n"
|
1570 |
"read only=no\n"
|
1571 |
"guest ok=yes\n",
|
1572 |
smb_dir, |
1573 |
smb_dir, |
1574 |
smb_dir, |
1575 |
smb_dir, |
1576 |
smb_dir, |
1577 |
exported_dir |
1578 |
); |
1579 |
fclose(f); |
1580 |
atexit(smb_exit); |
1581 |
|
1582 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", |
1583 |
smb_conf); |
1584 |
|
1585 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
1586 |
} |
1587 |
|
1588 |
#endif /* !defined(_WIN32) */ |
1589 |
|
1590 |
#endif /* CONFIG_SLIRP */ |
1591 |
|
1592 |
#if !defined(_WIN32)
|
1593 |
#ifdef _BSD
|
1594 |
static int tun_open(char *ifname, int ifname_size) |
1595 |
{ |
1596 |
int fd;
|
1597 |
char *dev;
|
1598 |
struct stat s;
|
1599 |
|
1600 |
fd = open("/dev/tap", O_RDWR);
|
1601 |
if (fd < 0) { |
1602 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
1603 |
return -1; |
1604 |
} |
1605 |
|
1606 |
fstat(fd, &s); |
1607 |
dev = devname(s.st_rdev, S_IFCHR); |
1608 |
pstrcpy(ifname, ifname_size, dev); |
1609 |
|
1610 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1611 |
return fd;
|
1612 |
} |
1613 |
#else
|
1614 |
static int tun_open(char *ifname, int ifname_size) |
1615 |
{ |
1616 |
struct ifreq ifr;
|
1617 |
int fd, ret;
|
1618 |
|
1619 |
fd = open("/dev/net/tun", O_RDWR);
|
1620 |
if (fd < 0) { |
1621 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
1622 |
return -1; |
1623 |
} |
1624 |
memset(&ifr, 0, sizeof(ifr)); |
1625 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
1626 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
|
1627 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
1628 |
if (ret != 0) { |
1629 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
1630 |
close(fd); |
1631 |
return -1; |
1632 |
} |
1633 |
printf("Connected to host network interface: %s\n", ifr.ifr_name);
|
1634 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
1635 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
1636 |
return fd;
|
1637 |
} |
1638 |
#endif
|
1639 |
|
1640 |
static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1641 |
{ |
1642 |
write(nd->fd, buf, size); |
1643 |
} |
1644 |
|
1645 |
static void tun_add_read_packet(NetDriverState *nd, |
1646 |
IOCanRWHandler *fd_can_read, |
1647 |
IOReadHandler *fd_read, void *opaque)
|
1648 |
{ |
1649 |
qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1650 |
} |
1651 |
|
1652 |
static int net_tun_init(NetDriverState *nd) |
1653 |
{ |
1654 |
int pid, status;
|
1655 |
char *args[3]; |
1656 |
char **parg;
|
1657 |
|
1658 |
nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
|
1659 |
if (nd->fd < 0) |
1660 |
return -1; |
1661 |
|
1662 |
/* try to launch network init script */
|
1663 |
pid = fork(); |
1664 |
if (pid >= 0) { |
1665 |
if (pid == 0) { |
1666 |
parg = args; |
1667 |
*parg++ = network_script; |
1668 |
*parg++ = nd->ifname; |
1669 |
*parg++ = NULL;
|
1670 |
execv(network_script, args); |
1671 |
exit(1);
|
1672 |
} |
1673 |
while (waitpid(pid, &status, 0) != pid); |
1674 |
if (!WIFEXITED(status) ||
|
1675 |
WEXITSTATUS(status) != 0) {
|
1676 |
fprintf(stderr, "%s: could not launch network script\n",
|
1677 |
network_script); |
1678 |
} |
1679 |
} |
1680 |
nd->send_packet = tun_send_packet; |
1681 |
nd->add_read_packet = tun_add_read_packet; |
1682 |
return 0; |
1683 |
} |
1684 |
|
1685 |
static int net_fd_init(NetDriverState *nd, int fd) |
1686 |
{ |
1687 |
nd->fd = fd; |
1688 |
nd->send_packet = tun_send_packet; |
1689 |
nd->add_read_packet = tun_add_read_packet; |
1690 |
pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); |
1691 |
return 0; |
1692 |
} |
1693 |
|
1694 |
#endif /* !_WIN32 */ |
1695 |
|
1696 |
/***********************************************************/
|
1697 |
/* pid file */
|
1698 |
|
1699 |
static char *pid_filename; |
1700 |
|
1701 |
/* Remove PID file. Called on normal exit */
|
1702 |
|
1703 |
static void remove_pidfile(void) |
1704 |
{ |
1705 |
unlink (pid_filename); |
1706 |
} |
1707 |
|
1708 |
static void create_pidfile(const char *filename) |
1709 |
{ |
1710 |
struct stat pidstat;
|
1711 |
FILE *f; |
1712 |
|
1713 |
/* Try to write our PID to the named file */
|
1714 |
if (stat(filename, &pidstat) < 0) { |
1715 |
if (errno == ENOENT) {
|
1716 |
if ((f = fopen (filename, "w")) == NULL) { |
1717 |
perror("Opening pidfile");
|
1718 |
exit(1);
|
1719 |
} |
1720 |
fprintf(f, "%d\n", getpid());
|
1721 |
fclose(f); |
1722 |
pid_filename = qemu_strdup(filename); |
1723 |
if (!pid_filename) {
|
1724 |
fprintf(stderr, "Could not save PID filename");
|
1725 |
exit(1);
|
1726 |
} |
1727 |
atexit(remove_pidfile); |
1728 |
} |
1729 |
} else {
|
1730 |
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
1731 |
filename); |
1732 |
exit(1);
|
1733 |
} |
1734 |
} |
1735 |
|
1736 |
/***********************************************************/
|
1737 |
/* dumb display */
|
1738 |
|
1739 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1740 |
{ |
1741 |
} |
1742 |
|
1743 |
static void dumb_resize(DisplayState *ds, int w, int h) |
1744 |
{ |
1745 |
} |
1746 |
|
1747 |
static void dumb_refresh(DisplayState *ds) |
1748 |
{ |
1749 |
vga_update_display(); |
1750 |
} |
1751 |
|
1752 |
void dumb_display_init(DisplayState *ds)
|
1753 |
{ |
1754 |
ds->data = NULL;
|
1755 |
ds->linesize = 0;
|
1756 |
ds->depth = 0;
|
1757 |
ds->dpy_update = dumb_update; |
1758 |
ds->dpy_resize = dumb_resize; |
1759 |
ds->dpy_refresh = dumb_refresh; |
1760 |
} |
1761 |
|
1762 |
#if !defined(CONFIG_SOFTMMU)
|
1763 |
/***********************************************************/
|
1764 |
/* cpu signal handler */
|
1765 |
static void host_segv_handler(int host_signum, siginfo_t *info, |
1766 |
void *puc)
|
1767 |
{ |
1768 |
if (cpu_signal_handler(host_signum, info, puc))
|
1769 |
return;
|
1770 |
if (stdio_nb_clients > 0) |
1771 |
term_exit(); |
1772 |
abort(); |
1773 |
} |
1774 |
#endif
|
1775 |
|
1776 |
/***********************************************************/
|
1777 |
/* I/O handling */
|
1778 |
|
1779 |
#define MAX_IO_HANDLERS 64 |
1780 |
|
1781 |
typedef struct IOHandlerRecord { |
1782 |
int fd;
|
1783 |
IOCanRWHandler *fd_can_read; |
1784 |
IOReadHandler *fd_read; |
1785 |
void *opaque;
|
1786 |
/* temporary data */
|
1787 |
struct pollfd *ufd;
|
1788 |
int max_size;
|
1789 |
struct IOHandlerRecord *next;
|
1790 |
} IOHandlerRecord; |
1791 |
|
1792 |
static IOHandlerRecord *first_io_handler;
|
1793 |
|
1794 |
int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1795 |
IOReadHandler *fd_read, void *opaque)
|
1796 |
{ |
1797 |
IOHandlerRecord *ioh; |
1798 |
|
1799 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
1800 |
if (!ioh)
|
1801 |
return -1; |
1802 |
ioh->fd = fd; |
1803 |
ioh->fd_can_read = fd_can_read; |
1804 |
ioh->fd_read = fd_read; |
1805 |
ioh->opaque = opaque; |
1806 |
ioh->next = first_io_handler; |
1807 |
first_io_handler = ioh; |
1808 |
return 0; |
1809 |
} |
1810 |
|
1811 |
void qemu_del_fd_read_handler(int fd) |
1812 |
{ |
1813 |
IOHandlerRecord **pioh, *ioh; |
1814 |
|
1815 |
pioh = &first_io_handler; |
1816 |
for(;;) {
|
1817 |
ioh = *pioh; |
1818 |
if (ioh == NULL) |
1819 |
break;
|
1820 |
if (ioh->fd == fd) {
|
1821 |
*pioh = ioh->next; |
1822 |
break;
|
1823 |
} |
1824 |
pioh = &ioh->next; |
1825 |
} |
1826 |
} |
1827 |
|
1828 |
/***********************************************************/
|
1829 |
/* savevm/loadvm support */
|
1830 |
|
1831 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
1832 |
{ |
1833 |
fwrite(buf, 1, size, f);
|
1834 |
} |
1835 |
|
1836 |
void qemu_put_byte(QEMUFile *f, int v) |
1837 |
{ |
1838 |
fputc(v, f); |
1839 |
} |
1840 |
|
1841 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
1842 |
{ |
1843 |
qemu_put_byte(f, v >> 8);
|
1844 |
qemu_put_byte(f, v); |
1845 |
} |
1846 |
|
1847 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
1848 |
{ |
1849 |
qemu_put_byte(f, v >> 24);
|
1850 |
qemu_put_byte(f, v >> 16);
|
1851 |
qemu_put_byte(f, v >> 8);
|
1852 |
qemu_put_byte(f, v); |
1853 |
} |
1854 |
|
1855 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
1856 |
{ |
1857 |
qemu_put_be32(f, v >> 32);
|
1858 |
qemu_put_be32(f, v); |
1859 |
} |
1860 |
|
1861 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) |
1862 |
{ |
1863 |
return fread(buf, 1, size, f); |
1864 |
} |
1865 |
|
1866 |
int qemu_get_byte(QEMUFile *f)
|
1867 |
{ |
1868 |
int v;
|
1869 |
v = fgetc(f); |
1870 |
if (v == EOF) |
1871 |
return 0; |
1872 |
else
|
1873 |
return v;
|
1874 |
} |
1875 |
|
1876 |
unsigned int qemu_get_be16(QEMUFile *f) |
1877 |
{ |
1878 |
unsigned int v; |
1879 |
v = qemu_get_byte(f) << 8;
|
1880 |
v |= qemu_get_byte(f); |
1881 |
return v;
|
1882 |
} |
1883 |
|
1884 |
unsigned int qemu_get_be32(QEMUFile *f) |
1885 |
{ |
1886 |
unsigned int v; |
1887 |
v = qemu_get_byte(f) << 24;
|
1888 |
v |= qemu_get_byte(f) << 16;
|
1889 |
v |= qemu_get_byte(f) << 8;
|
1890 |
v |= qemu_get_byte(f); |
1891 |
return v;
|
1892 |
} |
1893 |
|
1894 |
uint64_t qemu_get_be64(QEMUFile *f) |
1895 |
{ |
1896 |
uint64_t v; |
1897 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
1898 |
v |= qemu_get_be32(f); |
1899 |
return v;
|
1900 |
} |
1901 |
|
1902 |
int64_t qemu_ftell(QEMUFile *f) |
1903 |
{ |
1904 |
return ftell(f);
|
1905 |
} |
1906 |
|
1907 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
1908 |
{ |
1909 |
if (fseek(f, pos, whence) < 0) |
1910 |
return -1; |
1911 |
return ftell(f);
|
1912 |
} |
1913 |
|
1914 |
typedef struct SaveStateEntry { |
1915 |
char idstr[256]; |
1916 |
int instance_id;
|
1917 |
int version_id;
|
1918 |
SaveStateHandler *save_state; |
1919 |
LoadStateHandler *load_state; |
1920 |
void *opaque;
|
1921 |
struct SaveStateEntry *next;
|
1922 |
} SaveStateEntry; |
1923 |
|
1924 |
static SaveStateEntry *first_se;
|
1925 |
|
1926 |
int register_savevm(const char *idstr, |
1927 |
int instance_id,
|
1928 |
int version_id,
|
1929 |
SaveStateHandler *save_state, |
1930 |
LoadStateHandler *load_state, |
1931 |
void *opaque)
|
1932 |
{ |
1933 |
SaveStateEntry *se, **pse; |
1934 |
|
1935 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
1936 |
if (!se)
|
1937 |
return -1; |
1938 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
1939 |
se->instance_id = instance_id; |
1940 |
se->version_id = version_id; |
1941 |
se->save_state = save_state; |
1942 |
se->load_state = load_state; |
1943 |
se->opaque = opaque; |
1944 |
se->next = NULL;
|
1945 |
|
1946 |
/* add at the end of list */
|
1947 |
pse = &first_se; |
1948 |
while (*pse != NULL) |
1949 |
pse = &(*pse)->next; |
1950 |
*pse = se; |
1951 |
return 0; |
1952 |
} |
1953 |
|
1954 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
1955 |
#define QEMU_VM_FILE_VERSION 0x00000001 |
1956 |
|
1957 |
int qemu_savevm(const char *filename) |
1958 |
{ |
1959 |
SaveStateEntry *se; |
1960 |
QEMUFile *f; |
1961 |
int len, len_pos, cur_pos, saved_vm_running, ret;
|
1962 |
|
1963 |
saved_vm_running = vm_running; |
1964 |
vm_stop(0);
|
1965 |
|
1966 |
f = fopen(filename, "wb");
|
1967 |
if (!f) {
|
1968 |
ret = -1;
|
1969 |
goto the_end;
|
1970 |
} |
1971 |
|
1972 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1973 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
1974 |
|
1975 |
for(se = first_se; se != NULL; se = se->next) { |
1976 |
/* ID string */
|
1977 |
len = strlen(se->idstr); |
1978 |
qemu_put_byte(f, len); |
1979 |
qemu_put_buffer(f, se->idstr, len); |
1980 |
|
1981 |
qemu_put_be32(f, se->instance_id); |
1982 |
qemu_put_be32(f, se->version_id); |
1983 |
|
1984 |
/* record size: filled later */
|
1985 |
len_pos = ftell(f); |
1986 |
qemu_put_be32(f, 0);
|
1987 |
|
1988 |
se->save_state(f, se->opaque); |
1989 |
|
1990 |
/* fill record size */
|
1991 |
cur_pos = ftell(f); |
1992 |
len = ftell(f) - len_pos - 4;
|
1993 |
fseek(f, len_pos, SEEK_SET); |
1994 |
qemu_put_be32(f, len); |
1995 |
fseek(f, cur_pos, SEEK_SET); |
1996 |
} |
1997 |
|
1998 |
fclose(f); |
1999 |
ret = 0;
|
2000 |
the_end:
|
2001 |
if (saved_vm_running)
|
2002 |
vm_start(); |
2003 |
return ret;
|
2004 |
} |
2005 |
|
2006 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
2007 |
{ |
2008 |
SaveStateEntry *se; |
2009 |
|
2010 |
for(se = first_se; se != NULL; se = se->next) { |
2011 |
if (!strcmp(se->idstr, idstr) &&
|
2012 |
instance_id == se->instance_id) |
2013 |
return se;
|
2014 |
} |
2015 |
return NULL; |
2016 |
} |
2017 |
|
2018 |
int qemu_loadvm(const char *filename) |
2019 |
{ |
2020 |
SaveStateEntry *se; |
2021 |
QEMUFile *f; |
2022 |
int len, cur_pos, ret, instance_id, record_len, version_id;
|
2023 |
int saved_vm_running;
|
2024 |
unsigned int v; |
2025 |
char idstr[256]; |
2026 |
|
2027 |
saved_vm_running = vm_running; |
2028 |
vm_stop(0);
|
2029 |
|
2030 |
f = fopen(filename, "rb");
|
2031 |
if (!f) {
|
2032 |
ret = -1;
|
2033 |
goto the_end;
|
2034 |
} |
2035 |
|
2036 |
v = qemu_get_be32(f); |
2037 |
if (v != QEMU_VM_FILE_MAGIC)
|
2038 |
goto fail;
|
2039 |
v = qemu_get_be32(f); |
2040 |
if (v != QEMU_VM_FILE_VERSION) {
|
2041 |
fail:
|
2042 |
fclose(f); |
2043 |
ret = -1;
|
2044 |
goto the_end;
|
2045 |
} |
2046 |
for(;;) {
|
2047 |
#if defined (DO_TB_FLUSH)
|
2048 |
tb_flush(global_env); |
2049 |
#endif
|
2050 |
len = qemu_get_byte(f); |
2051 |
if (feof(f))
|
2052 |
break;
|
2053 |
qemu_get_buffer(f, idstr, len); |
2054 |
idstr[len] = '\0';
|
2055 |
instance_id = qemu_get_be32(f); |
2056 |
version_id = qemu_get_be32(f); |
2057 |
record_len = qemu_get_be32(f); |
2058 |
#if 0
|
2059 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
2060 |
idstr, instance_id, version_id, record_len);
|
2061 |
#endif
|
2062 |
cur_pos = ftell(f); |
2063 |
se = find_se(idstr, instance_id); |
2064 |
if (!se) {
|
2065 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
2066 |
instance_id, idstr); |
2067 |
} else {
|
2068 |
ret = se->load_state(f, se->opaque, version_id); |
2069 |
if (ret < 0) { |
2070 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
2071 |
instance_id, idstr); |
2072 |
} |
2073 |
} |
2074 |
/* always seek to exact end of record */
|
2075 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
2076 |
} |
2077 |
fclose(f); |
2078 |
ret = 0;
|
2079 |
the_end:
|
2080 |
if (saved_vm_running)
|
2081 |
vm_start(); |
2082 |
return ret;
|
2083 |
} |
2084 |
|
2085 |
/***********************************************************/
|
2086 |
/* cpu save/restore */
|
2087 |
|
2088 |
#if defined(TARGET_I386)
|
2089 |
|
2090 |
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) |
2091 |
{ |
2092 |
qemu_put_be32(f, dt->selector); |
2093 |
qemu_put_betl(f, dt->base); |
2094 |
qemu_put_be32(f, dt->limit); |
2095 |
qemu_put_be32(f, dt->flags); |
2096 |
} |
2097 |
|
2098 |
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) |
2099 |
{ |
2100 |
dt->selector = qemu_get_be32(f); |
2101 |
dt->base = qemu_get_betl(f); |
2102 |
dt->limit = qemu_get_be32(f); |
2103 |
dt->flags = qemu_get_be32(f); |
2104 |
} |
2105 |
|
2106 |
void cpu_save(QEMUFile *f, void *opaque) |
2107 |
{ |
2108 |
CPUState *env = opaque; |
2109 |
uint16_t fptag, fpus, fpuc, fpregs_format; |
2110 |
uint32_t hflags; |
2111 |
int i;
|
2112 |
|
2113 |
for(i = 0; i < CPU_NB_REGS; i++) |
2114 |
qemu_put_betls(f, &env->regs[i]); |
2115 |
qemu_put_betls(f, &env->eip); |
2116 |
qemu_put_betls(f, &env->eflags); |
2117 |
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
2118 |
qemu_put_be32s(f, &hflags); |
2119 |
|
2120 |
/* FPU */
|
2121 |
fpuc = env->fpuc; |
2122 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
2123 |
fptag = 0;
|
2124 |
for(i = 0; i < 8; i++) { |
2125 |
fptag |= ((!env->fptags[i]) << i); |
2126 |
} |
2127 |
|
2128 |
qemu_put_be16s(f, &fpuc); |
2129 |
qemu_put_be16s(f, &fpus); |
2130 |
qemu_put_be16s(f, &fptag); |
2131 |
|
2132 |
#ifdef USE_X86LDOUBLE
|
2133 |
fpregs_format = 0;
|
2134 |
#else
|
2135 |
fpregs_format = 1;
|
2136 |
#endif
|
2137 |
qemu_put_be16s(f, &fpregs_format); |
2138 |
|
2139 |
for(i = 0; i < 8; i++) { |
2140 |
#ifdef USE_X86LDOUBLE
|
2141 |
{ |
2142 |
uint64_t mant; |
2143 |
uint16_t exp; |
2144 |
/* we save the real CPU data (in case of MMX usage only 'mant'
|
2145 |
contains the MMX register */
|
2146 |
cpu_get_fp80(&mant, &exp, env->fpregs[i].d); |
2147 |
qemu_put_be64(f, mant); |
2148 |
qemu_put_be16(f, exp); |
2149 |
} |
2150 |
#else
|
2151 |
/* if we use doubles for float emulation, we save the doubles to
|
2152 |
avoid losing information in case of MMX usage. It can give
|
2153 |
problems if the image is restored on a CPU where long
|
2154 |
doubles are used instead. */
|
2155 |
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
2156 |
#endif
|
2157 |
} |
2158 |
|
2159 |
for(i = 0; i < 6; i++) |
2160 |
cpu_put_seg(f, &env->segs[i]); |
2161 |
cpu_put_seg(f, &env->ldt); |
2162 |
cpu_put_seg(f, &env->tr); |
2163 |
cpu_put_seg(f, &env->gdt); |
2164 |
cpu_put_seg(f, &env->idt); |
2165 |
|
2166 |
qemu_put_be32s(f, &env->sysenter_cs); |
2167 |
qemu_put_be32s(f, &env->sysenter_esp); |
2168 |
qemu_put_be32s(f, &env->sysenter_eip); |
2169 |
|
2170 |
qemu_put_betls(f, &env->cr[0]);
|
2171 |
qemu_put_betls(f, &env->cr[2]);
|
2172 |
qemu_put_betls(f, &env->cr[3]);
|
2173 |
qemu_put_betls(f, &env->cr[4]);
|
2174 |
|
2175 |
for(i = 0; i < 8; i++) |
2176 |
qemu_put_betls(f, &env->dr[i]); |
2177 |
|
2178 |
/* MMU */
|
2179 |
qemu_put_be32s(f, &env->a20_mask); |
2180 |
|
2181 |
/* XMM */
|
2182 |
qemu_put_be32s(f, &env->mxcsr); |
2183 |
for(i = 0; i < CPU_NB_REGS; i++) { |
2184 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
2185 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
2186 |
} |
2187 |
|
2188 |
#ifdef TARGET_X86_64
|
2189 |
qemu_put_be64s(f, &env->efer); |
2190 |
qemu_put_be64s(f, &env->star); |
2191 |
qemu_put_be64s(f, &env->lstar); |
2192 |
qemu_put_be64s(f, &env->cstar); |
2193 |
qemu_put_be64s(f, &env->fmask); |
2194 |
qemu_put_be64s(f, &env->kernelgsbase); |
2195 |
#endif
|
2196 |
} |
2197 |
|
2198 |
#ifdef USE_X86LDOUBLE
|
2199 |
/* XXX: add that in a FPU generic layer */
|
2200 |
union x86_longdouble {
|
2201 |
uint64_t mant; |
2202 |
uint16_t exp; |
2203 |
}; |
2204 |
|
2205 |
#define MANTD1(fp) (fp & ((1LL << 52) - 1)) |
2206 |
#define EXPBIAS1 1023 |
2207 |
#define EXPD1(fp) ((fp >> 52) & 0x7FF) |
2208 |
#define SIGND1(fp) ((fp >> 32) & 0x80000000) |
2209 |
|
2210 |
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) |
2211 |
{ |
2212 |
int e;
|
2213 |
/* mantissa */
|
2214 |
p->mant = (MANTD1(temp) << 11) | (1LL << 63); |
2215 |
/* exponent + sign */
|
2216 |
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
2217 |
e |= SIGND1(temp) >> 16;
|
2218 |
p->exp = e; |
2219 |
} |
2220 |
#endif
|
2221 |
|
2222 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
2223 |
{ |
2224 |
CPUState *env = opaque; |
2225 |
int i, guess_mmx;
|
2226 |
uint32_t hflags; |
2227 |
uint16_t fpus, fpuc, fptag, fpregs_format; |
2228 |
|
2229 |
if (version_id != 3) |
2230 |
return -EINVAL;
|
2231 |
for(i = 0; i < CPU_NB_REGS; i++) |
2232 |
qemu_get_betls(f, &env->regs[i]); |
2233 |
qemu_get_betls(f, &env->eip); |
2234 |
qemu_get_betls(f, &env->eflags); |
2235 |
qemu_get_be32s(f, &hflags); |
2236 |
|
2237 |
qemu_get_be16s(f, &fpuc); |
2238 |
qemu_get_be16s(f, &fpus); |
2239 |
qemu_get_be16s(f, &fptag); |
2240 |
qemu_get_be16s(f, &fpregs_format); |
2241 |
|
2242 |
/* NOTE: we cannot always restore the FPU state if the image come
|
2243 |
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
2244 |
if we are in an MMX state to restore correctly in that case. */
|
2245 |
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); |
2246 |
for(i = 0; i < 8; i++) { |
2247 |
uint64_t mant; |
2248 |
uint16_t exp; |
2249 |
|
2250 |
switch(fpregs_format) {
|
2251 |
case 0: |
2252 |
mant = qemu_get_be64(f); |
2253 |
exp = qemu_get_be16(f); |
2254 |
#ifdef USE_X86LDOUBLE
|
2255 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
2256 |
#else
|
2257 |
/* difficult case */
|
2258 |
if (guess_mmx)
|
2259 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
2260 |
else
|
2261 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
2262 |
#endif
|
2263 |
break;
|
2264 |
case 1: |
2265 |
mant = qemu_get_be64(f); |
2266 |
#ifdef USE_X86LDOUBLE
|
2267 |
{ |
2268 |
union x86_longdouble *p;
|
2269 |
/* difficult case */
|
2270 |
p = (void *)&env->fpregs[i];
|
2271 |
if (guess_mmx) {
|
2272 |
p->mant = mant; |
2273 |
p->exp = 0xffff;
|
2274 |
} else {
|
2275 |
fp64_to_fp80(p, mant); |
2276 |
} |
2277 |
} |
2278 |
#else
|
2279 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
2280 |
#endif
|
2281 |
break;
|
2282 |
default:
|
2283 |
return -EINVAL;
|
2284 |
} |
2285 |
} |
2286 |
|
2287 |
env->fpuc = fpuc; |
2288 |
/* XXX: restore FPU round state */
|
2289 |
env->fpstt = (fpus >> 11) & 7; |
2290 |
env->fpus = fpus & ~0x3800;
|
2291 |
fptag ^= 0xff;
|
2292 |
for(i = 0; i < 8; i++) { |
2293 |
env->fptags[i] = (fptag >> i) & 1;
|
2294 |
} |
2295 |
|
2296 |
for(i = 0; i < 6; i++) |
2297 |
cpu_get_seg(f, &env->segs[i]); |
2298 |
cpu_get_seg(f, &env->ldt); |
2299 |
cpu_get_seg(f, &env->tr); |
2300 |
cpu_get_seg(f, &env->gdt); |
2301 |
cpu_get_seg(f, &env->idt); |
2302 |
|
2303 |
qemu_get_be32s(f, &env->sysenter_cs); |
2304 |
qemu_get_be32s(f, &env->sysenter_esp); |
2305 |
qemu_get_be32s(f, &env->sysenter_eip); |
2306 |
|
2307 |
qemu_get_betls(f, &env->cr[0]);
|
2308 |
qemu_get_betls(f, &env->cr[2]);
|
2309 |
qemu_get_betls(f, &env->cr[3]);
|
2310 |
qemu_get_betls(f, &env->cr[4]);
|
2311 |
|
2312 |
for(i = 0; i < 8; i++) |
2313 |
qemu_get_betls(f, &env->dr[i]); |
2314 |
|
2315 |
/* MMU */
|
2316 |
qemu_get_be32s(f, &env->a20_mask); |
2317 |
|
2318 |
qemu_get_be32s(f, &env->mxcsr); |
2319 |
for(i = 0; i < CPU_NB_REGS; i++) { |
2320 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
2321 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
2322 |
} |
2323 |
|
2324 |
#ifdef TARGET_X86_64
|
2325 |
qemu_get_be64s(f, &env->efer); |
2326 |
qemu_get_be64s(f, &env->star); |
2327 |
qemu_get_be64s(f, &env->lstar); |
2328 |
qemu_get_be64s(f, &env->cstar); |
2329 |
qemu_get_be64s(f, &env->fmask); |
2330 |
qemu_get_be64s(f, &env->kernelgsbase); |
2331 |
#endif
|
2332 |
|
2333 |
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
2334 |
env->hflags = hflags; |
2335 |
tlb_flush(env, 1);
|
2336 |
return 0; |
2337 |
} |
2338 |
|
2339 |
#elif defined(TARGET_PPC)
|
2340 |
void cpu_save(QEMUFile *f, void *opaque) |
2341 |
{ |
2342 |
} |
2343 |
|
2344 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
2345 |
{ |
2346 |
return 0; |
2347 |
} |
2348 |
#elif defined(TARGET_SPARC)
|
2349 |
void cpu_save(QEMUFile *f, void *opaque) |
2350 |
{ |
2351 |
CPUState *env = opaque; |
2352 |
int i;
|
2353 |
uint32_t tmp; |
2354 |
|
2355 |
for(i = 0; i < 8; i++) |
2356 |
qemu_put_betls(f, &env->gregs[i]); |
2357 |
for(i = 0; i < NWINDOWS * 16; i++) |
2358 |
qemu_put_betls(f, &env->regbase[i]); |
2359 |
|
2360 |
/* FPU */
|
2361 |
for(i = 0; i < TARGET_FPREGS; i++) { |
2362 |
union {
|
2363 |
TARGET_FPREG_T f; |
2364 |
target_ulong i; |
2365 |
} u; |
2366 |
u.f = env->fpr[i]; |
2367 |
qemu_put_betl(f, u.i); |
2368 |
} |
2369 |
|
2370 |
qemu_put_betls(f, &env->pc); |
2371 |
qemu_put_betls(f, &env->npc); |
2372 |
qemu_put_betls(f, &env->y); |
2373 |
tmp = GET_PSR(env); |
2374 |
qemu_put_be32(f, tmp); |
2375 |
qemu_put_be32s(f, &env->fsr); |
2376 |
qemu_put_be32s(f, &env->wim); |
2377 |
qemu_put_be32s(f, &env->tbr); |
2378 |
/* MMU */
|
2379 |
for(i = 0; i < 16; i++) |
2380 |
qemu_put_be32s(f, &env->mmuregs[i]); |
2381 |
} |
2382 |
|
2383 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
2384 |
{ |
2385 |
CPUState *env = opaque; |
2386 |
int i;
|
2387 |
uint32_t tmp; |
2388 |
|
2389 |
for(i = 0; i < 8; i++) |
2390 |
qemu_get_betls(f, &env->gregs[i]); |
2391 |
for(i = 0; i < NWINDOWS * 16; i++) |
2392 |
qemu_get_betls(f, &env->regbase[i]); |
2393 |
|
2394 |
/* FPU */
|
2395 |
for(i = 0; i < TARGET_FPREGS; i++) { |
2396 |
union {
|
2397 |
TARGET_FPREG_T f; |
2398 |
target_ulong i; |
2399 |
} u; |
2400 |
u.i = qemu_get_betl(f); |
2401 |
env->fpr[i] = u.f; |
2402 |
} |
2403 |
|
2404 |
qemu_get_betls(f, &env->pc); |
2405 |
qemu_get_betls(f, &env->npc); |
2406 |
qemu_get_betls(f, &env->y); |
2407 |
tmp = qemu_get_be32(f); |
2408 |
env->cwp = 0; /* needed to ensure that the wrapping registers are |
2409 |
correctly updated */
|
2410 |
PUT_PSR(env, tmp); |
2411 |
qemu_get_be32s(f, &env->fsr); |
2412 |
qemu_get_be32s(f, &env->wim); |
2413 |
qemu_get_be32s(f, &env->tbr); |
2414 |
/* MMU */
|
2415 |
for(i = 0; i < 16; i++) |
2416 |
qemu_get_be32s(f, &env->mmuregs[i]); |
2417 |
|
2418 |
tlb_flush(env, 1);
|
2419 |
return 0; |
2420 |
} |
2421 |
#else
|
2422 |
|
2423 |
#warning No CPU save/restore functions
|
2424 |
|
2425 |
#endif
|
2426 |
|
2427 |
/***********************************************************/
|
2428 |
/* ram save/restore */
|
2429 |
|
2430 |
/* we just avoid storing empty pages */
|
2431 |
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) |
2432 |
{ |
2433 |
int i, v;
|
2434 |
|
2435 |
v = buf[0];
|
2436 |
for(i = 1; i < len; i++) { |
2437 |
if (buf[i] != v)
|
2438 |
goto normal_save;
|
2439 |
} |
2440 |
qemu_put_byte(f, 1);
|
2441 |
qemu_put_byte(f, v); |
2442 |
return;
|
2443 |
normal_save:
|
2444 |
qemu_put_byte(f, 0);
|
2445 |
qemu_put_buffer(f, buf, len); |
2446 |
} |
2447 |
|
2448 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
2449 |
{ |
2450 |
int v;
|
2451 |
|
2452 |
v = qemu_get_byte(f); |
2453 |
switch(v) {
|
2454 |
case 0: |
2455 |
if (qemu_get_buffer(f, buf, len) != len)
|
2456 |
return -EIO;
|
2457 |
break;
|
2458 |
case 1: |
2459 |
v = qemu_get_byte(f); |
2460 |
memset(buf, v, len); |
2461 |
break;
|
2462 |
default:
|
2463 |
return -EINVAL;
|
2464 |
} |
2465 |
return 0; |
2466 |
} |
2467 |
|
2468 |
static void ram_save(QEMUFile *f, void *opaque) |
2469 |
{ |
2470 |
int i;
|
2471 |
qemu_put_be32(f, phys_ram_size); |
2472 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
2473 |
ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
2474 |
} |
2475 |
} |
2476 |
|
2477 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
2478 |
{ |
2479 |
int i, ret;
|
2480 |
|
2481 |
if (version_id != 1) |
2482 |
return -EINVAL;
|
2483 |
if (qemu_get_be32(f) != phys_ram_size)
|
2484 |
return -EINVAL;
|
2485 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
2486 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
2487 |
if (ret)
|
2488 |
return ret;
|
2489 |
} |
2490 |
return 0; |
2491 |
} |
2492 |
|
2493 |
/***********************************************************/
|
2494 |
/* main execution loop */
|
2495 |
|
2496 |
void gui_update(void *opaque) |
2497 |
{ |
2498 |
display_state.dpy_refresh(&display_state); |
2499 |
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); |
2500 |
} |
2501 |
|
2502 |
/* XXX: support several handlers */
|
2503 |
VMStopHandler *vm_stop_cb; |
2504 |
VMStopHandler *vm_stop_opaque; |
2505 |
|
2506 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
2507 |
{ |
2508 |
vm_stop_cb = cb; |
2509 |
vm_stop_opaque = opaque; |
2510 |
return 0; |
2511 |
} |
2512 |
|
2513 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
2514 |
{ |
2515 |
vm_stop_cb = NULL;
|
2516 |
} |
2517 |
|
2518 |
void vm_start(void) |
2519 |
{ |
2520 |
if (!vm_running) {
|
2521 |
cpu_enable_ticks(); |
2522 |
vm_running = 1;
|
2523 |
} |
2524 |
} |
2525 |
|
2526 |
void vm_stop(int reason) |
2527 |
{ |
2528 |
if (vm_running) {
|
2529 |
cpu_disable_ticks(); |
2530 |
vm_running = 0;
|
2531 |
if (reason != 0) { |
2532 |
if (vm_stop_cb) {
|
2533 |
vm_stop_cb(vm_stop_opaque, reason); |
2534 |
} |
2535 |
} |
2536 |
} |
2537 |
} |
2538 |
|
2539 |
/* reset/shutdown handler */
|
2540 |
|
2541 |
typedef struct QEMUResetEntry { |
2542 |
QEMUResetHandler *func; |
2543 |
void *opaque;
|
2544 |
struct QEMUResetEntry *next;
|
2545 |
} QEMUResetEntry; |
2546 |
|
2547 |
static QEMUResetEntry *first_reset_entry;
|
2548 |
static int reset_requested; |
2549 |
static int shutdown_requested; |
2550 |
|
2551 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
2552 |
{ |
2553 |
QEMUResetEntry **pre, *re; |
2554 |
|
2555 |
pre = &first_reset_entry; |
2556 |
while (*pre != NULL) |
2557 |
pre = &(*pre)->next; |
2558 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
2559 |
re->func = func; |
2560 |
re->opaque = opaque; |
2561 |
re->next = NULL;
|
2562 |
*pre = re; |
2563 |
} |
2564 |
|
2565 |
void qemu_system_reset(void) |
2566 |
{ |
2567 |
QEMUResetEntry *re; |
2568 |
|
2569 |
/* reset all devices */
|
2570 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
2571 |
re->func(re->opaque); |
2572 |
} |
2573 |
} |
2574 |
|
2575 |
void qemu_system_reset_request(void) |
2576 |
{ |
2577 |
reset_requested = 1;
|
2578 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
2579 |
} |
2580 |
|
2581 |
void qemu_system_shutdown_request(void) |
2582 |
{ |
2583 |
shutdown_requested = 1;
|
2584 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
2585 |
} |
2586 |
|
2587 |
static void main_cpu_reset(void *opaque) |
2588 |
{ |
2589 |
#if defined(TARGET_I386) || defined(TARGET_SPARC)
|
2590 |
CPUState *env = opaque; |
2591 |
cpu_reset(env); |
2592 |
#endif
|
2593 |
} |
2594 |
|
2595 |
void main_loop_wait(int timeout) |
2596 |
{ |
2597 |
#ifndef _WIN32
|
2598 |
struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
2599 |
IOHandlerRecord *ioh, *ioh_next; |
2600 |
uint8_t buf[4096];
|
2601 |
int n, max_size;
|
2602 |
#endif
|
2603 |
int ret;
|
2604 |
|
2605 |
#ifdef _WIN32
|
2606 |
if (timeout > 0) |
2607 |
Sleep(timeout); |
2608 |
#else
|
2609 |
/* poll any events */
|
2610 |
/* XXX: separate device handlers from system ones */
|
2611 |
pf = ufds; |
2612 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
2613 |
if (!ioh->fd_can_read) {
|
2614 |
max_size = 0;
|
2615 |
pf->fd = ioh->fd; |
2616 |
pf->events = POLLIN; |
2617 |
ioh->ufd = pf; |
2618 |
pf++; |
2619 |
} else {
|
2620 |
max_size = ioh->fd_can_read(ioh->opaque); |
2621 |
if (max_size > 0) { |
2622 |
if (max_size > sizeof(buf)) |
2623 |
max_size = sizeof(buf);
|
2624 |
pf->fd = ioh->fd; |
2625 |
pf->events = POLLIN; |
2626 |
ioh->ufd = pf; |
2627 |
pf++; |
2628 |
} else {
|
2629 |
ioh->ufd = NULL;
|
2630 |
} |
2631 |
} |
2632 |
ioh->max_size = max_size; |
2633 |
} |
2634 |
|
2635 |
ret = poll(ufds, pf - ufds, timeout); |
2636 |
if (ret > 0) { |
2637 |
/* XXX: better handling of removal */
|
2638 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { |
2639 |
ioh_next = ioh->next; |
2640 |
pf = ioh->ufd; |
2641 |
if (pf) {
|
2642 |
if (pf->revents & POLLIN) {
|
2643 |
if (ioh->max_size == 0) { |
2644 |
/* just a read event */
|
2645 |
ioh->fd_read(ioh->opaque, NULL, 0); |
2646 |
} else {
|
2647 |
n = read(ioh->fd, buf, ioh->max_size); |
2648 |
if (n >= 0) { |
2649 |
ioh->fd_read(ioh->opaque, buf, n); |
2650 |
} else if (errno != EAGAIN) { |
2651 |
ioh->fd_read(ioh->opaque, NULL, -errno);
|
2652 |
} |
2653 |
} |
2654 |
} |
2655 |
} |
2656 |
} |
2657 |
} |
2658 |
#endif /* !defined(_WIN32) */ |
2659 |
#if defined(CONFIG_SLIRP)
|
2660 |
/* XXX: merge with poll() */
|
2661 |
if (slirp_inited) {
|
2662 |
fd_set rfds, wfds, xfds; |
2663 |
int nfds;
|
2664 |
struct timeval tv;
|
2665 |
|
2666 |
nfds = -1;
|
2667 |
FD_ZERO(&rfds); |
2668 |
FD_ZERO(&wfds); |
2669 |
FD_ZERO(&xfds); |
2670 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
2671 |
tv.tv_sec = 0;
|
2672 |
tv.tv_usec = 0;
|
2673 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
2674 |
if (ret >= 0) { |
2675 |
slirp_select_poll(&rfds, &wfds, &xfds); |
2676 |
} |
2677 |
} |
2678 |
#endif
|
2679 |
|
2680 |
if (vm_running) {
|
2681 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
2682 |
qemu_get_clock(vm_clock)); |
2683 |
/* run dma transfers, if any */
|
2684 |
DMA_run(); |
2685 |
} |
2686 |
|
2687 |
/* real time timers */
|
2688 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
2689 |
qemu_get_clock(rt_clock)); |
2690 |
} |
2691 |
|
2692 |
int main_loop(void) |
2693 |
{ |
2694 |
int ret, timeout;
|
2695 |
CPUState *env = global_env; |
2696 |
|
2697 |
for(;;) {
|
2698 |
if (vm_running) {
|
2699 |
ret = cpu_exec(env); |
2700 |
if (shutdown_requested) {
|
2701 |
ret = EXCP_INTERRUPT; |
2702 |
break;
|
2703 |
} |
2704 |
if (reset_requested) {
|
2705 |
reset_requested = 0;
|
2706 |
qemu_system_reset(); |
2707 |
ret = EXCP_INTERRUPT; |
2708 |
} |
2709 |
if (ret == EXCP_DEBUG) {
|
2710 |
vm_stop(EXCP_DEBUG); |
2711 |
} |
2712 |
/* if hlt instruction, we wait until the next IRQ */
|
2713 |
/* XXX: use timeout computed from timers */
|
2714 |
if (ret == EXCP_HLT)
|
2715 |
timeout = 10;
|
2716 |
else
|
2717 |
timeout = 0;
|
2718 |
} else {
|
2719 |
timeout = 10;
|
2720 |
} |
2721 |
main_loop_wait(timeout); |
2722 |
} |
2723 |
cpu_disable_ticks(); |
2724 |
return ret;
|
2725 |
} |
2726 |
|
2727 |
void help(void) |
2728 |
{ |
2729 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
2730 |
"usage: %s [options] [disk_image]\n"
|
2731 |
"\n"
|
2732 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
2733 |
"\n"
|
2734 |
"Standard options:\n"
|
2735 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
2736 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
2737 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
2738 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
2739 |
"-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
|
2740 |
"-snapshot write to temporary files instead of disk image files\n"
|
2741 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
2742 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
2743 |
#ifndef _WIN32
|
2744 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
2745 |
#endif
|
2746 |
"-enable-audio enable audio support\n"
|
2747 |
"-localtime set the real time clock to local time [default=utc]\n"
|
2748 |
"-full-screen start in full screen\n"
|
2749 |
#ifdef TARGET_PPC
|
2750 |
"-prep Simulate a PREP system (default is PowerMAC)\n"
|
2751 |
#endif
|
2752 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
2753 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
2754 |
#endif
|
2755 |
"\n"
|
2756 |
"Network options:\n"
|
2757 |
"-nics n simulate 'n' network cards [default=1]\n"
|
2758 |
"-macaddr addr set the mac address of the first interface\n"
|
2759 |
"-n script set tap/tun network init script [default=%s]\n"
|
2760 |
"-tun-fd fd use this fd as already opened tap/tun interface\n"
|
2761 |
#ifdef CONFIG_SLIRP
|
2762 |
"-user-net use user mode network stack [default if no tap/tun script]\n"
|
2763 |
"-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
|
2764 |
#ifndef _WIN32
|
2765 |
"-smb dir allow SMB access to files in 'dir' [-user-net]\n"
|
2766 |
#endif
|
2767 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
2768 |
" redirect TCP or UDP connections from host to guest [-user-net]\n"
|
2769 |
#endif
|
2770 |
"-dummy-net use dummy network stack\n"
|
2771 |
"\n"
|
2772 |
"Linux boot specific:\n"
|
2773 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
2774 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
2775 |
"-initrd file use 'file' as initial ram disk\n"
|
2776 |
"\n"
|
2777 |
"Debug/Expert options:\n"
|
2778 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
2779 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
2780 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
2781 |
"-pidfile file Write PID to 'file'\n"
|
2782 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
2783 |
"-s wait gdb connection to port %d\n"
|
2784 |
"-p port change gdb connection port\n"
|
2785 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
2786 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
2787 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
2788 |
"-L path set the directory for the BIOS and VGA BIOS\n"
|
2789 |
#ifdef USE_KQEMU
|
2790 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
2791 |
#endif
|
2792 |
#ifdef USE_CODE_COPY
|
2793 |
"-no-code-copy disable code copy acceleration\n"
|
2794 |
#endif
|
2795 |
#ifdef TARGET_I386
|
2796 |
"-isa simulate an ISA-only system (default is PCI system)\n"
|
2797 |
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
2798 |
" (default is CL-GD5446 PCI VGA)\n"
|
2799 |
#endif
|
2800 |
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
2801 |
"\n"
|
2802 |
"During emulation, the following keys are useful:\n"
|
2803 |
"ctrl-alt-f toggle full screen\n"
|
2804 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
2805 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
2806 |
"\n"
|
2807 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
2808 |
, |
2809 |
#ifdef CONFIG_SOFTMMU
|
2810 |
"qemu",
|
2811 |
#else
|
2812 |
"qemu-fast",
|
2813 |
#endif
|
2814 |
DEFAULT_RAM_SIZE, |
2815 |
DEFAULT_NETWORK_SCRIPT, |
2816 |
DEFAULT_GDBSTUB_PORT, |
2817 |
"/tmp/qemu.log");
|
2818 |
#ifndef CONFIG_SOFTMMU
|
2819 |
printf("\n"
|
2820 |
"NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
|
2821 |
"work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
|
2822 |
"PC emulation.\n");
|
2823 |
#endif
|
2824 |
exit(1);
|
2825 |
} |
2826 |
|
2827 |
#define HAS_ARG 0x0001 |
2828 |
|
2829 |
enum {
|
2830 |
QEMU_OPTION_h, |
2831 |
|
2832 |
QEMU_OPTION_fda, |
2833 |
QEMU_OPTION_fdb, |
2834 |
QEMU_OPTION_hda, |
2835 |
QEMU_OPTION_hdb, |
2836 |
QEMU_OPTION_hdc, |
2837 |
QEMU_OPTION_hdd, |
2838 |
QEMU_OPTION_cdrom, |
2839 |
QEMU_OPTION_boot, |
2840 |
QEMU_OPTION_snapshot, |
2841 |
QEMU_OPTION_m, |
2842 |
QEMU_OPTION_nographic, |
2843 |
QEMU_OPTION_enable_audio, |
2844 |
|
2845 |
QEMU_OPTION_nics, |
2846 |
QEMU_OPTION_macaddr, |
2847 |
QEMU_OPTION_n, |
2848 |
QEMU_OPTION_tun_fd, |
2849 |
QEMU_OPTION_user_net, |
2850 |
QEMU_OPTION_tftp, |
2851 |
QEMU_OPTION_smb, |
2852 |
QEMU_OPTION_redir, |
2853 |
QEMU_OPTION_dummy_net, |
2854 |
|
2855 |
QEMU_OPTION_kernel, |
2856 |
QEMU_OPTION_append, |
2857 |
QEMU_OPTION_initrd, |
2858 |
|
2859 |
QEMU_OPTION_S, |
2860 |
QEMU_OPTION_s, |
2861 |
QEMU_OPTION_p, |
2862 |
QEMU_OPTION_d, |
2863 |
QEMU_OPTION_hdachs, |
2864 |
QEMU_OPTION_L, |
2865 |
QEMU_OPTION_no_code_copy, |
2866 |
QEMU_OPTION_pci, |
2867 |
QEMU_OPTION_isa, |
2868 |
QEMU_OPTION_prep, |
2869 |
QEMU_OPTION_k, |
2870 |
QEMU_OPTION_localtime, |
2871 |
QEMU_OPTION_cirrusvga, |
2872 |
QEMU_OPTION_g, |
2873 |
QEMU_OPTION_std_vga, |
2874 |
QEMU_OPTION_monitor, |
2875 |
QEMU_OPTION_serial, |
2876 |
QEMU_OPTION_parallel, |
2877 |
QEMU_OPTION_loadvm, |
2878 |
QEMU_OPTION_full_screen, |
2879 |
QEMU_OPTION_pidfile, |
2880 |
QEMU_OPTION_no_kqemu, |
2881 |
}; |
2882 |
|
2883 |
typedef struct QEMUOption { |
2884 |
const char *name; |
2885 |
int flags;
|
2886 |
int index;
|
2887 |
} QEMUOption; |
2888 |
|
2889 |
const QEMUOption qemu_options[] = {
|
2890 |
{ "h", 0, QEMU_OPTION_h }, |
2891 |
|
2892 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
2893 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
2894 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
2895 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
2896 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
2897 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
2898 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
2899 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
2900 |
{ "snapshot", 0, QEMU_OPTION_snapshot }, |
2901 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
2902 |
{ "nographic", 0, QEMU_OPTION_nographic }, |
2903 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
2904 |
{ "enable-audio", 0, QEMU_OPTION_enable_audio }, |
2905 |
|
2906 |
{ "nics", HAS_ARG, QEMU_OPTION_nics},
|
2907 |
{ "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
|
2908 |
{ "n", HAS_ARG, QEMU_OPTION_n },
|
2909 |
{ "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
|
2910 |
#ifdef CONFIG_SLIRP
|
2911 |
{ "user-net", 0, QEMU_OPTION_user_net }, |
2912 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
2913 |
#ifndef _WIN32
|
2914 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
2915 |
#endif
|
2916 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
2917 |
#endif
|
2918 |
{ "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2919 |
|
2920 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
2921 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
2922 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
2923 |
|
2924 |
{ "S", 0, QEMU_OPTION_S }, |
2925 |
{ "s", 0, QEMU_OPTION_s }, |
2926 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
2927 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
2928 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
2929 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
2930 |
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy }, |
2931 |
#ifdef USE_KQEMU
|
2932 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
2933 |
#endif
|
2934 |
#ifdef TARGET_PPC
|
2935 |
{ "prep", 0, QEMU_OPTION_prep }, |
2936 |
#endif
|
2937 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
2938 |
{ "g", 1, QEMU_OPTION_g }, |
2939 |
#endif
|
2940 |
{ "localtime", 0, QEMU_OPTION_localtime }, |
2941 |
{ "isa", 0, QEMU_OPTION_isa }, |
2942 |
{ "std-vga", 0, QEMU_OPTION_std_vga }, |
2943 |
{ "monitor", 1, QEMU_OPTION_monitor }, |
2944 |
{ "serial", 1, QEMU_OPTION_serial }, |
2945 |
{ "parallel", 1, QEMU_OPTION_parallel }, |
2946 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
2947 |
{ "full-screen", 0, QEMU_OPTION_full_screen }, |
2948 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
2949 |
|
2950 |
/* temporary options */
|
2951 |
{ "pci", 0, QEMU_OPTION_pci }, |
2952 |
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga }, |
2953 |
{ NULL },
|
2954 |
}; |
2955 |
|
2956 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
2957 |
|
2958 |
/* this stack is only used during signal handling */
|
2959 |
#define SIGNAL_STACK_SIZE 32768 |
2960 |
|
2961 |
static uint8_t *signal_stack;
|
2962 |
|
2963 |
#endif
|
2964 |
|
2965 |
/* password input */
|
2966 |
|
2967 |
static BlockDriverState *get_bdrv(int index) |
2968 |
{ |
2969 |
BlockDriverState *bs; |
2970 |
|
2971 |
if (index < 4) { |
2972 |
bs = bs_table[index]; |
2973 |
} else if (index < 6) { |
2974 |
bs = fd_table[index - 4];
|
2975 |
} else {
|
2976 |
bs = NULL;
|
2977 |
} |
2978 |
return bs;
|
2979 |
} |
2980 |
|
2981 |
static void read_passwords(void) |
2982 |
{ |
2983 |
BlockDriverState *bs; |
2984 |
int i, j;
|
2985 |
char password[256]; |
2986 |
|
2987 |
for(i = 0; i < 6; i++) { |
2988 |
bs = get_bdrv(i); |
2989 |
if (bs && bdrv_is_encrypted(bs)) {
|
2990 |
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
2991 |
for(j = 0; j < 3; j++) { |
2992 |
monitor_readline("Password: ",
|
2993 |
1, password, sizeof(password)); |
2994 |
if (bdrv_set_key(bs, password) == 0) |
2995 |
break;
|
2996 |
term_printf("invalid password\n");
|
2997 |
} |
2998 |
} |
2999 |
} |
3000 |
} |
3001 |
|
3002 |
#define NET_IF_TUN 0 |
3003 |
#define NET_IF_USER 1 |
3004 |
#define NET_IF_DUMMY 2 |
3005 |
|
3006 |
int main(int argc, char **argv) |
3007 |
{ |
3008 |
#ifdef CONFIG_GDBSTUB
|
3009 |
int use_gdbstub, gdbstub_port;
|
3010 |
#endif
|
3011 |
int i, has_cdrom;
|
3012 |
int snapshot, linux_boot;
|
3013 |
CPUState *env; |
3014 |
const char *initrd_filename; |
3015 |
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
3016 |
const char *kernel_filename, *kernel_cmdline; |
3017 |
DisplayState *ds = &display_state; |
3018 |
int cyls, heads, secs, translation;
|
3019 |
int start_emulation = 1; |
3020 |
uint8_t macaddr[6];
|
3021 |
int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
|
3022 |
int optind;
|
3023 |
const char *r, *optarg; |
3024 |
CharDriverState *monitor_hd; |
3025 |
char monitor_device[128]; |
3026 |
char serial_devices[MAX_SERIAL_PORTS][128]; |
3027 |
int serial_device_index;
|
3028 |
char parallel_devices[MAX_PARALLEL_PORTS][128]; |
3029 |
int parallel_device_index;
|
3030 |
const char *loadvm = NULL; |
3031 |
|
3032 |
#if !defined(CONFIG_SOFTMMU)
|
3033 |
/* we never want that malloc() uses mmap() */
|
3034 |
mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
3035 |
#endif
|
3036 |
initrd_filename = NULL;
|
3037 |
for(i = 0; i < MAX_FD; i++) |
3038 |
fd_filename[i] = NULL;
|
3039 |
for(i = 0; i < MAX_DISKS; i++) |
3040 |
hd_filename[i] = NULL;
|
3041 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
3042 |
vga_ram_size = VGA_RAM_SIZE; |
3043 |
bios_size = BIOS_SIZE; |
3044 |
pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
|
3045 |
#ifdef CONFIG_GDBSTUB
|
3046 |
use_gdbstub = 0;
|
3047 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
3048 |
#endif
|
3049 |
snapshot = 0;
|
3050 |
nographic = 0;
|
3051 |
kernel_filename = NULL;
|
3052 |
kernel_cmdline = "";
|
3053 |
has_cdrom = 1;
|
3054 |
cyls = heads = secs = 0;
|
3055 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
3056 |
pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
3057 |
|
3058 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
3059 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
3060 |
serial_devices[i][0] = '\0'; |
3061 |
serial_device_index = 0;
|
3062 |
|
3063 |
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); |
3064 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
3065 |
parallel_devices[i][0] = '\0'; |
3066 |
parallel_device_index = 0;
|
3067 |
|
3068 |
nb_tun_fds = 0;
|
3069 |
net_if_type = -1;
|
3070 |
nb_nics = 1;
|
3071 |
/* default mac address of the first network interface */
|
3072 |
macaddr[0] = 0x52; |
3073 |
macaddr[1] = 0x54; |
3074 |
macaddr[2] = 0x00; |
3075 |
macaddr[3] = 0x12; |
3076 |
macaddr[4] = 0x34; |
3077 |
macaddr[5] = 0x56; |
3078 |
|
3079 |
optind = 1;
|
3080 |
for(;;) {
|
3081 |
if (optind >= argc)
|
3082 |
break;
|
3083 |
r = argv[optind]; |
3084 |
if (r[0] != '-') { |
3085 |
hd_filename[0] = argv[optind++];
|
3086 |
} else {
|
3087 |
const QEMUOption *popt;
|
3088 |
|
3089 |
optind++; |
3090 |
popt = qemu_options; |
3091 |
for(;;) {
|
3092 |
if (!popt->name) {
|
3093 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
3094 |
argv[0], r);
|
3095 |
exit(1);
|
3096 |
} |
3097 |
if (!strcmp(popt->name, r + 1)) |
3098 |
break;
|
3099 |
popt++; |
3100 |
} |
3101 |
if (popt->flags & HAS_ARG) {
|
3102 |
if (optind >= argc) {
|
3103 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
3104 |
argv[0], r);
|
3105 |
exit(1);
|
3106 |
} |
3107 |
optarg = argv[optind++]; |
3108 |
} else {
|
3109 |
optarg = NULL;
|
3110 |
} |
3111 |
|
3112 |
switch(popt->index) {
|
3113 |
case QEMU_OPTION_initrd:
|
3114 |
initrd_filename = optarg; |
3115 |
break;
|
3116 |
case QEMU_OPTION_hda:
|
3117 |
hd_filename[0] = optarg;
|
3118 |
break;
|
3119 |
case QEMU_OPTION_hdb:
|
3120 |
hd_filename[1] = optarg;
|
3121 |
break;
|
3122 |
case QEMU_OPTION_snapshot:
|
3123 |
snapshot = 1;
|
3124 |
break;
|
3125 |
case QEMU_OPTION_hdachs:
|
3126 |
{ |
3127 |
const char *p; |
3128 |
p = optarg; |
3129 |
cyls = strtol(p, (char **)&p, 0); |
3130 |
if (cyls < 1 || cyls > 16383) |
3131 |
goto chs_fail;
|
3132 |
if (*p != ',') |
3133 |
goto chs_fail;
|
3134 |
p++; |
3135 |
heads = strtol(p, (char **)&p, 0); |
3136 |
if (heads < 1 || heads > 16) |
3137 |
goto chs_fail;
|
3138 |
if (*p != ',') |
3139 |
goto chs_fail;
|
3140 |
p++; |
3141 |
secs = strtol(p, (char **)&p, 0); |
3142 |
if (secs < 1 || secs > 63) |
3143 |
goto chs_fail;
|
3144 |
if (*p == ',') { |
3145 |
p++; |
3146 |
if (!strcmp(p, "none")) |
3147 |
translation = BIOS_ATA_TRANSLATION_NONE; |
3148 |
else if (!strcmp(p, "lba")) |
3149 |
translation = BIOS_ATA_TRANSLATION_LBA; |
3150 |
else if (!strcmp(p, "auto")) |
3151 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
3152 |
else
|
3153 |
goto chs_fail;
|
3154 |
} else if (*p != '\0') { |
3155 |
chs_fail:
|
3156 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
3157 |
exit(1);
|
3158 |
} |
3159 |
} |
3160 |
break;
|
3161 |
case QEMU_OPTION_nographic:
|
3162 |
pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
3163 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
3164 |
nographic = 1;
|
3165 |
break;
|
3166 |
case QEMU_OPTION_kernel:
|
3167 |
kernel_filename = optarg; |
3168 |
break;
|
3169 |
case QEMU_OPTION_append:
|
3170 |
kernel_cmdline = optarg; |
3171 |
break;
|
3172 |
case QEMU_OPTION_tun_fd:
|
3173 |
{ |
3174 |
const char *p; |
3175 |
int fd;
|
3176 |
net_if_type = NET_IF_TUN; |
3177 |
if (nb_tun_fds < MAX_NICS) {
|
3178 |
fd = strtol(optarg, (char **)&p, 0); |
3179 |
if (*p != '\0') { |
3180 |
fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
|
3181 |
exit(1);
|
3182 |
} |
3183 |
tun_fds[nb_tun_fds++] = fd; |
3184 |
} |
3185 |
} |
3186 |
break;
|
3187 |
case QEMU_OPTION_hdc:
|
3188 |
hd_filename[2] = optarg;
|
3189 |
has_cdrom = 0;
|
3190 |
break;
|
3191 |
case QEMU_OPTION_hdd:
|
3192 |
hd_filename[3] = optarg;
|
3193 |
break;
|
3194 |
case QEMU_OPTION_cdrom:
|
3195 |
hd_filename[2] = optarg;
|
3196 |
has_cdrom = 1;
|
3197 |
break;
|
3198 |
case QEMU_OPTION_boot:
|
3199 |
boot_device = optarg[0];
|
3200 |
if (boot_device != 'a' && |
3201 |
#ifdef TARGET_SPARC
|
3202 |
// Network boot
|
3203 |
boot_device != 'n' &&
|
3204 |
#endif
|
3205 |
boot_device != 'c' && boot_device != 'd') { |
3206 |
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
3207 |
exit(1);
|
3208 |
} |
3209 |
break;
|
3210 |
case QEMU_OPTION_fda:
|
3211 |
fd_filename[0] = optarg;
|
3212 |
break;
|
3213 |
case QEMU_OPTION_fdb:
|
3214 |
fd_filename[1] = optarg;
|
3215 |
break;
|
3216 |
case QEMU_OPTION_no_code_copy:
|
3217 |
code_copy_enabled = 0;
|
3218 |
break;
|
3219 |
case QEMU_OPTION_nics:
|
3220 |
nb_nics = atoi(optarg); |
3221 |
if (nb_nics < 0 || nb_nics > MAX_NICS) { |
3222 |
fprintf(stderr, "qemu: invalid number of network interfaces\n");
|
3223 |
exit(1);
|
3224 |
} |
3225 |
break;
|
3226 |
case QEMU_OPTION_macaddr:
|
3227 |
{ |
3228 |
const char *p; |
3229 |
int i;
|
3230 |
p = optarg; |
3231 |
for(i = 0; i < 6; i++) { |
3232 |
macaddr[i] = strtol(p, (char **)&p, 16); |
3233 |
if (i == 5) { |
3234 |
if (*p != '\0') |
3235 |
goto macaddr_error;
|
3236 |
} else {
|
3237 |
if (*p != ':') { |
3238 |
macaddr_error:
|
3239 |
fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
|
3240 |
exit(1);
|
3241 |
} |
3242 |
p++; |
3243 |
} |
3244 |
} |
3245 |
} |
3246 |
break;
|
3247 |
#ifdef CONFIG_SLIRP
|
3248 |
case QEMU_OPTION_tftp:
|
3249 |
tftp_prefix = optarg; |
3250 |
break;
|
3251 |
#ifndef _WIN32
|
3252 |
case QEMU_OPTION_smb:
|
3253 |
net_slirp_smb(optarg); |
3254 |
break;
|
3255 |
#endif
|
3256 |
case QEMU_OPTION_user_net:
|
3257 |
net_if_type = NET_IF_USER; |
3258 |
break;
|
3259 |
case QEMU_OPTION_redir:
|
3260 |
net_slirp_redir(optarg); |
3261 |
break;
|
3262 |
#endif
|
3263 |
case QEMU_OPTION_dummy_net:
|
3264 |
net_if_type = NET_IF_DUMMY; |
3265 |
break;
|
3266 |
case QEMU_OPTION_enable_audio:
|
3267 |
audio_enabled = 1;
|
3268 |
break;
|
3269 |
case QEMU_OPTION_h:
|
3270 |
help(); |
3271 |
break;
|
3272 |
case QEMU_OPTION_m:
|
3273 |
ram_size = atoi(optarg) * 1024 * 1024; |
3274 |
if (ram_size <= 0) |
3275 |
help(); |
3276 |
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
3277 |
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
3278 |
PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
3279 |
exit(1);
|
3280 |
} |
3281 |
break;
|
3282 |
case QEMU_OPTION_d:
|
3283 |
{ |
3284 |
int mask;
|
3285 |
CPULogItem *item; |
3286 |
|
3287 |
mask = cpu_str_to_log_mask(optarg); |
3288 |
if (!mask) {
|
3289 |
printf("Log items (comma separated):\n");
|
3290 |
for(item = cpu_log_items; item->mask != 0; item++) { |
3291 |
printf("%-10s %s\n", item->name, item->help);
|
3292 |
} |
3293 |
exit(1);
|
3294 |
} |
3295 |
cpu_set_log(mask); |
3296 |
} |
3297 |
break;
|
3298 |
case QEMU_OPTION_n:
|
3299 |
pstrcpy(network_script, sizeof(network_script), optarg);
|
3300 |
break;
|
3301 |
#ifdef CONFIG_GDBSTUB
|
3302 |
case QEMU_OPTION_s:
|
3303 |
use_gdbstub = 1;
|
3304 |
break;
|
3305 |
case QEMU_OPTION_p:
|
3306 |
gdbstub_port = atoi(optarg); |
3307 |
break;
|
3308 |
#endif
|
3309 |
case QEMU_OPTION_L:
|
3310 |
bios_dir = optarg; |
3311 |
break;
|
3312 |
case QEMU_OPTION_S:
|
3313 |
start_emulation = 0;
|
3314 |
break;
|
3315 |
case QEMU_OPTION_pci:
|
3316 |
pci_enabled = 1;
|
3317 |
break;
|
3318 |
case QEMU_OPTION_isa:
|
3319 |
pci_enabled = 0;
|
3320 |
break;
|
3321 |
case QEMU_OPTION_prep:
|
3322 |
prep_enabled = 1;
|
3323 |
break;
|
3324 |
case QEMU_OPTION_k:
|
3325 |
keyboard_layout = optarg; |
3326 |
break;
|
3327 |
case QEMU_OPTION_localtime:
|
3328 |
rtc_utc = 0;
|
3329 |
break;
|
3330 |
case QEMU_OPTION_cirrusvga:
|
3331 |
cirrus_vga_enabled = 1;
|
3332 |
break;
|
3333 |
case QEMU_OPTION_std_vga:
|
3334 |
cirrus_vga_enabled = 0;
|
3335 |
break;
|
3336 |
case QEMU_OPTION_g:
|
3337 |
{ |
3338 |
const char *p; |
3339 |
int w, h, depth;
|
3340 |
p = optarg; |
3341 |
w = strtol(p, (char **)&p, 10); |
3342 |
if (w <= 0) { |
3343 |
graphic_error:
|
3344 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
3345 |
exit(1);
|
3346 |
} |
3347 |
if (*p != 'x') |
3348 |
goto graphic_error;
|
3349 |
p++; |
3350 |
h = strtol(p, (char **)&p, 10); |
3351 |
if (h <= 0) |
3352 |
goto graphic_error;
|
3353 |
if (*p == 'x') { |
3354 |
p++; |
3355 |
depth = strtol(p, (char **)&p, 10); |
3356 |
if (depth != 8 && depth != 15 && depth != 16 && |
3357 |
depth != 24 && depth != 32) |
3358 |
goto graphic_error;
|
3359 |
} else if (*p == '\0') { |
3360 |
depth = graphic_depth; |
3361 |
} else {
|
3362 |
goto graphic_error;
|
3363 |
} |
3364 |
|
3365 |
graphic_width = w; |
3366 |
graphic_height = h; |
3367 |
graphic_depth = depth; |
3368 |
} |
3369 |
break;
|
3370 |
case QEMU_OPTION_monitor:
|
3371 |
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
3372 |
break;
|
3373 |
case QEMU_OPTION_serial:
|
3374 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
3375 |
fprintf(stderr, "qemu: too many serial ports\n");
|
3376 |
exit(1);
|
3377 |
} |
3378 |
pstrcpy(serial_devices[serial_device_index], |
3379 |
sizeof(serial_devices[0]), optarg); |
3380 |
serial_device_index++; |
3381 |
break;
|
3382 |
case QEMU_OPTION_parallel:
|
3383 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
3384 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
3385 |
exit(1);
|
3386 |
} |
3387 |
pstrcpy(parallel_devices[parallel_device_index], |
3388 |
sizeof(parallel_devices[0]), optarg); |
3389 |
parallel_device_index++; |
3390 |
break;
|
3391 |
case QEMU_OPTION_loadvm:
|
3392 |
loadvm = optarg; |
3393 |
break;
|
3394 |
case QEMU_OPTION_full_screen:
|
3395 |
full_screen = 1;
|
3396 |
break;
|
3397 |
case QEMU_OPTION_pidfile:
|
3398 |
create_pidfile(optarg); |
3399 |
break;
|
3400 |
#ifdef USE_KQEMU
|
3401 |
case QEMU_OPTION_no_kqemu:
|
3402 |
kqemu_allowed = 0;
|
3403 |
break;
|
3404 |
#endif
|
3405 |
} |
3406 |
} |
3407 |
} |
3408 |
|
3409 |
linux_boot = (kernel_filename != NULL);
|
3410 |
|
3411 |
if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
3412 |
fd_filename[0] == '\0') |
3413 |
help(); |
3414 |
|
3415 |
/* boot to cd by default if no hard disk */
|
3416 |
if (hd_filename[0] == '\0' && boot_device == 'c') { |
3417 |
if (fd_filename[0] != '\0') |
3418 |
boot_device = 'a';
|
3419 |
else
|
3420 |
boot_device = 'd';
|
3421 |
} |
3422 |
|
3423 |
#if !defined(CONFIG_SOFTMMU)
|
3424 |
/* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
3425 |
{ |
3426 |
static uint8_t stdout_buf[4096]; |
3427 |
setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
|
3428 |
} |
3429 |
#else
|
3430 |
setvbuf(stdout, NULL, _IOLBF, 0); |
3431 |
#endif
|
3432 |
|
3433 |
/* init host network redirectors */
|
3434 |
if (net_if_type == -1) { |
3435 |
net_if_type = NET_IF_TUN; |
3436 |
#if defined(CONFIG_SLIRP)
|
3437 |
if (access(network_script, R_OK) < 0) { |
3438 |
net_if_type = NET_IF_USER; |
3439 |
} |
3440 |
#endif
|
3441 |
} |
3442 |
|
3443 |
for(i = 0; i < nb_nics; i++) { |
3444 |
NetDriverState *nd = &nd_table[i]; |
3445 |
nd->index = i; |
3446 |
/* init virtual mac address */
|
3447 |
nd->macaddr[0] = macaddr[0]; |
3448 |
nd->macaddr[1] = macaddr[1]; |
3449 |
nd->macaddr[2] = macaddr[2]; |
3450 |
nd->macaddr[3] = macaddr[3]; |
3451 |
nd->macaddr[4] = macaddr[4]; |
3452 |
nd->macaddr[5] = macaddr[5] + i; |
3453 |
switch(net_if_type) {
|
3454 |
#if defined(CONFIG_SLIRP)
|
3455 |
case NET_IF_USER:
|
3456 |
net_slirp_init(nd); |
3457 |
break;
|
3458 |
#endif
|
3459 |
#if !defined(_WIN32)
|
3460 |
case NET_IF_TUN:
|
3461 |
if (i < nb_tun_fds) {
|
3462 |
net_fd_init(nd, tun_fds[i]); |
3463 |
} else {
|
3464 |
if (net_tun_init(nd) < 0) |
3465 |
net_dummy_init(nd); |
3466 |
} |
3467 |
break;
|
3468 |
#endif
|
3469 |
case NET_IF_DUMMY:
|
3470 |
default:
|
3471 |
net_dummy_init(nd); |
3472 |
break;
|
3473 |
} |
3474 |
} |
3475 |
|
3476 |
/* init the memory */
|
3477 |
phys_ram_size = ram_size + vga_ram_size + bios_size; |
3478 |
|
3479 |
#ifdef CONFIG_SOFTMMU
|
3480 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
3481 |
if (!phys_ram_base) {
|
3482 |
fprintf(stderr, "Could not allocate physical memory\n");
|
3483 |
exit(1);
|
3484 |
} |
3485 |
#else
|
3486 |
/* as we must map the same page at several addresses, we must use
|
3487 |
a fd */
|
3488 |
{ |
3489 |
const char *tmpdir; |
3490 |
|
3491 |
tmpdir = getenv("QEMU_TMPDIR");
|
3492 |
if (!tmpdir)
|
3493 |
tmpdir = "/tmp";
|
3494 |
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); |
3495 |
if (mkstemp(phys_ram_file) < 0) { |
3496 |
fprintf(stderr, "Could not create temporary memory file '%s'\n",
|
3497 |
phys_ram_file); |
3498 |
exit(1);
|
3499 |
} |
3500 |
phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
|
3501 |
if (phys_ram_fd < 0) { |
3502 |
fprintf(stderr, "Could not open temporary memory file '%s'\n",
|
3503 |
phys_ram_file); |
3504 |
exit(1);
|
3505 |
} |
3506 |
ftruncate(phys_ram_fd, phys_ram_size); |
3507 |
unlink(phys_ram_file); |
3508 |
phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
3509 |
phys_ram_size, |
3510 |
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
3511 |
phys_ram_fd, 0);
|
3512 |
if (phys_ram_base == MAP_FAILED) {
|
3513 |
fprintf(stderr, "Could not map physical memory\n");
|
3514 |
exit(1);
|
3515 |
} |
3516 |
} |
3517 |
#endif
|
3518 |
|
3519 |
/* we always create the cdrom drive, even if no disk is there */
|
3520 |
bdrv_init(); |
3521 |
if (has_cdrom) {
|
3522 |
bs_table[2] = bdrv_new("cdrom"); |
3523 |
bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
|
3524 |
} |
3525 |
|
3526 |
/* open the virtual block devices */
|
3527 |
for(i = 0; i < MAX_DISKS; i++) { |
3528 |
if (hd_filename[i]) {
|
3529 |
if (!bs_table[i]) {
|
3530 |
char buf[64]; |
3531 |
snprintf(buf, sizeof(buf), "hd%c", i + 'a'); |
3532 |
bs_table[i] = bdrv_new(buf); |
3533 |
} |
3534 |
if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { |
3535 |
fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
|
3536 |
hd_filename[i]); |
3537 |
exit(1);
|
3538 |
} |
3539 |
if (i == 0 && cyls != 0) { |
3540 |
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
3541 |
bdrv_set_translation_hint(bs_table[i], translation); |
3542 |
} |
3543 |
} |
3544 |
} |
3545 |
|
3546 |
/* we always create at least one floppy disk */
|
3547 |
fd_table[0] = bdrv_new("fda"); |
3548 |
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
3549 |
|
3550 |
for(i = 0; i < MAX_FD; i++) { |
3551 |
if (fd_filename[i]) {
|
3552 |
if (!fd_table[i]) {
|
3553 |
char buf[64]; |
3554 |
snprintf(buf, sizeof(buf), "fd%c", i + 'a'); |
3555 |
fd_table[i] = bdrv_new(buf); |
3556 |
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); |
3557 |
} |
3558 |
if (fd_filename[i] != '\0') { |
3559 |
if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { |
3560 |
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
3561 |
fd_filename[i]); |
3562 |
exit(1);
|
3563 |
} |
3564 |
} |
3565 |
} |
3566 |
} |
3567 |
|
3568 |
/* init CPU state */
|
3569 |
env = cpu_init(); |
3570 |
global_env = env; |
3571 |
cpu_single_env = env; |
3572 |
|
3573 |
register_savevm("timer", 0, 1, timer_save, timer_load, env); |
3574 |
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
3575 |
register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
3576 |
qemu_register_reset(main_cpu_reset, global_env); |
3577 |
|
3578 |
init_ioports(); |
3579 |
cpu_calibrate_ticks(); |
3580 |
|
3581 |
/* terminal init */
|
3582 |
if (nographic) {
|
3583 |
dumb_display_init(ds); |
3584 |
} else {
|
3585 |
#if defined(CONFIG_SDL)
|
3586 |
sdl_display_init(ds, full_screen); |
3587 |
#elif defined(CONFIG_COCOA)
|
3588 |
cocoa_display_init(ds, full_screen); |
3589 |
#else
|
3590 |
dumb_display_init(ds); |
3591 |
#endif
|
3592 |
} |
3593 |
|
3594 |
vga_console = graphic_console_init(ds); |
3595 |
|
3596 |
monitor_hd = qemu_chr_open(monitor_device); |
3597 |
if (!monitor_hd) {
|
3598 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
3599 |
exit(1);
|
3600 |
} |
3601 |
monitor_init(monitor_hd, !nographic); |
3602 |
|
3603 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
3604 |
if (serial_devices[i][0] != '\0') { |
3605 |
serial_hds[i] = qemu_chr_open(serial_devices[i]); |
3606 |
if (!serial_hds[i]) {
|
3607 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
3608 |
serial_devices[i]); |
3609 |
exit(1);
|
3610 |
} |
3611 |
if (!strcmp(serial_devices[i], "vc")) |
3612 |
qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
|
3613 |
} |
3614 |
} |
3615 |
|
3616 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
3617 |
if (parallel_devices[i][0] != '\0') { |
3618 |
parallel_hds[i] = qemu_chr_open(parallel_devices[i]); |
3619 |
if (!parallel_hds[i]) {
|
3620 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
3621 |
parallel_devices[i]); |
3622 |
exit(1);
|
3623 |
} |
3624 |
if (!strcmp(parallel_devices[i], "vc")) |
3625 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
|
3626 |
} |
3627 |
} |
3628 |
|
3629 |
/* setup cpu signal handlers for MMU / self modifying code handling */
|
3630 |
#if !defined(CONFIG_SOFTMMU)
|
3631 |
|
3632 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
3633 |
{ |
3634 |
stack_t stk; |
3635 |
signal_stack = memalign(16, SIGNAL_STACK_SIZE);
|
3636 |
stk.ss_sp = signal_stack; |
3637 |
stk.ss_size = SIGNAL_STACK_SIZE; |
3638 |
stk.ss_flags = 0;
|
3639 |
|
3640 |
if (sigaltstack(&stk, NULL) < 0) { |
3641 |
perror("sigaltstack");
|
3642 |
exit(1);
|
3643 |
} |
3644 |
} |
3645 |
#endif
|
3646 |
{ |
3647 |
struct sigaction act;
|
3648 |
|
3649 |
sigfillset(&act.sa_mask); |
3650 |
act.sa_flags = SA_SIGINFO; |
3651 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
3652 |
act.sa_flags |= SA_ONSTACK; |
3653 |
#endif
|
3654 |
act.sa_sigaction = host_segv_handler; |
3655 |
sigaction(SIGSEGV, &act, NULL);
|
3656 |
sigaction(SIGBUS, &act, NULL);
|
3657 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
3658 |
sigaction(SIGFPE, &act, NULL);
|
3659 |
#endif
|
3660 |
} |
3661 |
#endif
|
3662 |
|
3663 |
#ifndef _WIN32
|
3664 |
{ |
3665 |
struct sigaction act;
|
3666 |
sigfillset(&act.sa_mask); |
3667 |
act.sa_flags = 0;
|
3668 |
act.sa_handler = SIG_IGN; |
3669 |
sigaction(SIGPIPE, &act, NULL);
|
3670 |
} |
3671 |
#endif
|
3672 |
init_timers(); |
3673 |
|
3674 |
#if defined(TARGET_I386)
|
3675 |
pc_init(ram_size, vga_ram_size, boot_device, |
3676 |
ds, fd_filename, snapshot, |
3677 |
kernel_filename, kernel_cmdline, initrd_filename); |
3678 |
#elif defined(TARGET_PPC)
|
3679 |
ppc_init(ram_size, vga_ram_size, boot_device, |
3680 |
ds, fd_filename, snapshot, |
3681 |
kernel_filename, kernel_cmdline, initrd_filename); |
3682 |
#elif defined(TARGET_SPARC)
|
3683 |
sun4m_init(ram_size, vga_ram_size, boot_device, |
3684 |
ds, fd_filename, snapshot, |
3685 |
kernel_filename, kernel_cmdline, initrd_filename); |
3686 |
#endif
|
3687 |
|
3688 |
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
3689 |
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
3690 |
|
3691 |
#ifdef CONFIG_GDBSTUB
|
3692 |
if (use_gdbstub) {
|
3693 |
if (gdbserver_start(gdbstub_port) < 0) { |
3694 |
fprintf(stderr, "Could not open gdbserver socket on port %d\n",
|
3695 |
gdbstub_port); |
3696 |
exit(1);
|
3697 |
} else {
|
3698 |
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
3699 |
} |
3700 |
} else
|
3701 |
#endif
|
3702 |
if (loadvm)
|
3703 |
qemu_loadvm(loadvm); |
3704 |
|
3705 |
{ |
3706 |
/* XXX: simplify init */
|
3707 |
read_passwords(); |
3708 |
if (start_emulation) {
|
3709 |
vm_start(); |
3710 |
} |
3711 |
} |
3712 |
main_loop(); |
3713 |
quit_timers(); |
3714 |
return 0; |
3715 |
} |