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Fix Qemu division by zero triggered by NetBSD
[qemu/qemu_0_9_1_stable.git] / vl.c
blobfededf20ea899ace260a6ab32a937c59284341b7
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2007 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "vl.h"
25
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <signal.h>
29 #include <time.h>
30 #include <errno.h>
31 #include <sys/time.h>
32 #include <zlib.h>
33
34 #ifndef _WIN32
35 #include <sys/times.h>
36 #include <sys/wait.h>
37 #include <termios.h>
38 #include <sys/poll.h>
39 #include <sys/mman.h>
40 #include <sys/ioctl.h>
41 #include <sys/socket.h>
42 #include <netinet/in.h>
43 #include <dirent.h>
44 #include <netdb.h>
45 #ifdef _BSD
46 #include <sys/stat.h>
47 #ifndef __APPLE__
48 #include <libutil.h>
49 #endif
50 #else
51 #ifndef __sun__
52 #include <linux/if.h>
53 #include <linux/if_tun.h>
54 #include <pty.h>
55 #include <malloc.h>
56 #include <linux/rtc.h>
57 #include <linux/ppdev.h>
58 #include <linux/parport.h>
59 #else
60 #include <sys/stat.h>
61 #include <sys/ethernet.h>
62 #include <sys/sockio.h>
63 #include <arpa/inet.h>
64 #include <netinet/arp.h>
65 #include <netinet/in.h>
66 #include <netinet/in_systm.h>
67 #include <netinet/ip.h>
68 #include <netinet/ip_icmp.h> // must come after ip.h
69 #include <netinet/udp.h>
70 #include <netinet/tcp.h>
71 #include <net/if.h>
72 #include <syslog.h>
73 #include <stropts.h>
74 #endif
75 #endif
76 #endif
77
78 #if defined(CONFIG_SLIRP)
79 #include "libslirp.h"
80 #endif
81
82 #ifdef _WIN32
83 #include <malloc.h>
84 #include <sys/timeb.h>
85 #include <windows.h>
86 #define getopt_long_only getopt_long
87 #define memalign(align, size) malloc(size)
88 #endif
89
90 #include "qemu_socket.h"
91
92 #ifdef CONFIG_SDL
93 #ifdef __APPLE__
94 #include <SDL/SDL.h>
95 #endif
96 #endif /* CONFIG_SDL */
97
98 #ifdef CONFIG_COCOA
99 #undef main
100 #define main qemu_main
101 #endif /* CONFIG_COCOA */
102
103 #include "disas.h"
104
105 #include "exec-all.h"
106
107 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
108 #ifdef __sun__
109 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
110 #else
111 #define SMBD_COMMAND "/usr/sbin/smbd"
112 #endif
113
114 //#define DEBUG_UNUSED_IOPORT
115 //#define DEBUG_IOPORT
116
117 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
118
119 #ifdef TARGET_PPC
120 #define DEFAULT_RAM_SIZE 144
121 #else
122 #define DEFAULT_RAM_SIZE 128
123 #endif
124 /* in ms */
125 #define GUI_REFRESH_INTERVAL 30
126
127 /* Max number of USB devices that can be specified on the commandline. */
128 #define MAX_USB_CMDLINE 8
129
130 /* XXX: use a two level table to limit memory usage */
131 #define MAX_IOPORTS 65536
132
133 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
134 char phys_ram_file[1024];
135 void *ioport_opaque[MAX_IOPORTS];
136 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
137 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
138 /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
139 to store the VM snapshots */
140 BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
141 BlockDriverState *pflash_table[MAX_PFLASH];
142 BlockDriverState *sd_bdrv;
143 BlockDriverState *mtd_bdrv;
144 /* point to the block driver where the snapshots are managed */
145 BlockDriverState *bs_snapshots;
146 int vga_ram_size;
147 static DisplayState display_state;
148 int nographic;
149 const char* keyboard_layout = NULL;
150 int64_t ticks_per_sec;
151 int boot_device = 'c';
152 int ram_size;
153 int pit_min_timer_count = 0;
154 int nb_nics;
155 NICInfo nd_table[MAX_NICS];
156 QEMUTimer *gui_timer;
157 int vm_running;
158 int rtc_utc = 1;
159 int cirrus_vga_enabled = 1;
160 int vmsvga_enabled = 0;
161 #ifdef TARGET_SPARC
162 int graphic_width = 1024;
163 int graphic_height = 768;
164 int graphic_depth = 8;
165 #else
166 int graphic_width = 800;
167 int graphic_height = 600;
168 int graphic_depth = 15;
169 #endif
170 int full_screen = 0;
171 int no_frame = 0;
172 int no_quit = 0;
173 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
174 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
175 #ifdef TARGET_I386
176 int win2k_install_hack = 0;
177 #endif
178 int usb_enabled = 0;
179 static VLANState *first_vlan;
180 int smp_cpus = 1;
181 const char *vnc_display;
182 #if defined(TARGET_SPARC)
183 #define MAX_CPUS 16
184 #elif defined(TARGET_I386)
185 #define MAX_CPUS 255
186 #else
187 #define MAX_CPUS 1
188 #endif
189 int acpi_enabled = 1;
190 int fd_bootchk = 1;
191 int no_reboot = 0;
192 int cursor_hide = 1;
193 int graphic_rotate = 0;
194 int daemonize = 0;
195 const char *option_rom[MAX_OPTION_ROMS];
196 int nb_option_roms;
197 int semihosting_enabled = 0;
198 int autostart = 1;
199 const char *qemu_name;
200 #ifdef TARGET_SPARC
201 unsigned int nb_prom_envs = 0;
202 const char *prom_envs[MAX_PROM_ENVS];
203 #endif
204
205 /***********************************************************/
206 /* x86 ISA bus support */
207
208 target_phys_addr_t isa_mem_base = 0;
209 PicState2 *isa_pic;
210
211 uint32_t default_ioport_readb(void *opaque, uint32_t address)
212 {
213 #ifdef DEBUG_UNUSED_IOPORT
214 fprintf(stderr, "unused inb: port=0x%04x\n", address);
215 #endif
216 return 0xff;
217 }
218
219 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
220 {
221 #ifdef DEBUG_UNUSED_IOPORT
222 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
223 #endif
224 }
225
226 /* default is to make two byte accesses */
227 uint32_t default_ioport_readw(void *opaque, uint32_t address)
228 {
229 uint32_t data;
230 data = ioport_read_table[0][address](ioport_opaque[address], address);
231 address = (address + 1) & (MAX_IOPORTS - 1);
232 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
233 return data;
234 }
235
236 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
237 {
238 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
239 address = (address + 1) & (MAX_IOPORTS - 1);
240 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
241 }
242
243 uint32_t default_ioport_readl(void *opaque, uint32_t address)
244 {
245 #ifdef DEBUG_UNUSED_IOPORT
246 fprintf(stderr, "unused inl: port=0x%04x\n", address);
247 #endif
248 return 0xffffffff;
249 }
250
251 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
252 {
253 #ifdef DEBUG_UNUSED_IOPORT
254 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
255 #endif
256 }
257
258 void init_ioports(void)
259 {
260 int i;
261
262 for(i = 0; i < MAX_IOPORTS; i++) {
263 ioport_read_table[0][i] = default_ioport_readb;
264 ioport_write_table[0][i] = default_ioport_writeb;
265 ioport_read_table[1][i] = default_ioport_readw;
266 ioport_write_table[1][i] = default_ioport_writew;
267 ioport_read_table[2][i] = default_ioport_readl;
268 ioport_write_table[2][i] = default_ioport_writel;
269 }
270 }
271
272 /* size is the word size in byte */
273 int register_ioport_read(int start, int length, int size,
274 IOPortReadFunc *func, void *opaque)
275 {
276 int i, bsize;
277
278 if (size == 1) {
279 bsize = 0;
280 } else if (size == 2) {
281 bsize = 1;
282 } else if (size == 4) {
283 bsize = 2;
284 } else {
285 hw_error("register_ioport_read: invalid size");
286 return -1;
287 }
288 for(i = start; i < start + length; i += size) {
289 ioport_read_table[bsize][i] = func;
290 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
291 hw_error("register_ioport_read: invalid opaque");
292 ioport_opaque[i] = opaque;
293 }
294 return 0;
295 }
296
297 /* size is the word size in byte */
298 int register_ioport_write(int start, int length, int size,
299 IOPortWriteFunc *func, void *opaque)
300 {
301 int i, bsize;
302
303 if (size == 1) {
304 bsize = 0;
305 } else if (size == 2) {
306 bsize = 1;
307 } else if (size == 4) {
308 bsize = 2;
309 } else {
310 hw_error("register_ioport_write: invalid size");
311 return -1;
312 }
313 for(i = start; i < start + length; i += size) {
314 ioport_write_table[bsize][i] = func;
315 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
316 hw_error("register_ioport_write: invalid opaque");
317 ioport_opaque[i] = opaque;
318 }
319 return 0;
320 }
321
322 void isa_unassign_ioport(int start, int length)
323 {
324 int i;
325
326 for(i = start; i < start + length; i++) {
327 ioport_read_table[0][i] = default_ioport_readb;
328 ioport_read_table[1][i] = default_ioport_readw;
329 ioport_read_table[2][i] = default_ioport_readl;
330
331 ioport_write_table[0][i] = default_ioport_writeb;
332 ioport_write_table[1][i] = default_ioport_writew;
333 ioport_write_table[2][i] = default_ioport_writel;
334 }
335 }
336
337 /***********************************************************/
338
339 void cpu_outb(CPUState *env, int addr, int val)
340 {
341 #ifdef DEBUG_IOPORT
342 if (loglevel & CPU_LOG_IOPORT)
343 fprintf(logfile, "outb: %04x %02x\n", addr, val);
344 #endif
345 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
346 #ifdef USE_KQEMU
347 if (env)
348 env->last_io_time = cpu_get_time_fast();
349 #endif
350 }
351
352 void cpu_outw(CPUState *env, int addr, int val)
353 {
354 #ifdef DEBUG_IOPORT
355 if (loglevel & CPU_LOG_IOPORT)
356 fprintf(logfile, "outw: %04x %04x\n", addr, val);
357 #endif
358 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
359 #ifdef USE_KQEMU
360 if (env)
361 env->last_io_time = cpu_get_time_fast();
362 #endif
363 }
364
365 void cpu_outl(CPUState *env, int addr, int val)
366 {
367 #ifdef DEBUG_IOPORT
368 if (loglevel & CPU_LOG_IOPORT)
369 fprintf(logfile, "outl: %04x %08x\n", addr, val);
370 #endif
371 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
372 #ifdef USE_KQEMU
373 if (env)
374 env->last_io_time = cpu_get_time_fast();
375 #endif
376 }
377
378 int cpu_inb(CPUState *env, int addr)
379 {
380 int val;
381 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
382 #ifdef DEBUG_IOPORT
383 if (loglevel & CPU_LOG_IOPORT)
384 fprintf(logfile, "inb : %04x %02x\n", addr, val);
385 #endif
386 #ifdef USE_KQEMU
387 if (env)
388 env->last_io_time = cpu_get_time_fast();
389 #endif
390 return val;
391 }
392
393 int cpu_inw(CPUState *env, int addr)
394 {
395 int val;
396 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
397 #ifdef DEBUG_IOPORT
398 if (loglevel & CPU_LOG_IOPORT)
399 fprintf(logfile, "inw : %04x %04x\n", addr, val);
400 #endif
401 #ifdef USE_KQEMU
402 if (env)
403 env->last_io_time = cpu_get_time_fast();
404 #endif
405 return val;
406 }
407
408 int cpu_inl(CPUState *env, int addr)
409 {
410 int val;
411 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
412 #ifdef DEBUG_IOPORT
413 if (loglevel & CPU_LOG_IOPORT)
414 fprintf(logfile, "inl : %04x %08x\n", addr, val);
415 #endif
416 #ifdef USE_KQEMU
417 if (env)
418 env->last_io_time = cpu_get_time_fast();
419 #endif
420 return val;
421 }
422
423 /***********************************************************/
424 void hw_error(const char *fmt, ...)
425 {
426 va_list ap;
427 CPUState *env;
428
429 va_start(ap, fmt);
430 fprintf(stderr, "qemu: hardware error: ");
431 vfprintf(stderr, fmt, ap);
432 fprintf(stderr, "\n");
433 for(env = first_cpu; env != NULL; env = env->next_cpu) {
434 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
435 #ifdef TARGET_I386
436 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
437 #else
438 cpu_dump_state(env, stderr, fprintf, 0);
439 #endif
440 }
441 va_end(ap);
442 abort();
443 }
444
445 /***********************************************************/
446 /* keyboard/mouse */
447
448 static QEMUPutKBDEvent *qemu_put_kbd_event;
449 static void *qemu_put_kbd_event_opaque;
450 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
451 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
452
453 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
454 {
455 qemu_put_kbd_event_opaque = opaque;
456 qemu_put_kbd_event = func;
457 }
458
459 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
460 void *opaque, int absolute,
461 const char *name)
462 {
463 QEMUPutMouseEntry *s, *cursor;
464
465 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
466 if (!s)
467 return NULL;
468
469 s->qemu_put_mouse_event = func;
470 s->qemu_put_mouse_event_opaque = opaque;
471 s->qemu_put_mouse_event_absolute = absolute;
472 s->qemu_put_mouse_event_name = qemu_strdup(name);
473 s->next = NULL;
474
475 if (!qemu_put_mouse_event_head) {
476 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
477 return s;
478 }
479
480 cursor = qemu_put_mouse_event_head;
481 while (cursor->next != NULL)
482 cursor = cursor->next;
483
484 cursor->next = s;
485 qemu_put_mouse_event_current = s;
486
487 return s;
488 }
489
490 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
491 {
492 QEMUPutMouseEntry *prev = NULL, *cursor;
493
494 if (!qemu_put_mouse_event_head || entry == NULL)
495 return;
496
497 cursor = qemu_put_mouse_event_head;
498 while (cursor != NULL && cursor != entry) {
499 prev = cursor;
500 cursor = cursor->next;
501 }
502
503 if (cursor == NULL) // does not exist or list empty
504 return;
505 else if (prev == NULL) { // entry is head
506 qemu_put_mouse_event_head = cursor->next;
507 if (qemu_put_mouse_event_current == entry)
508 qemu_put_mouse_event_current = cursor->next;
509 qemu_free(entry->qemu_put_mouse_event_name);
510 qemu_free(entry);
511 return;
512 }
513
514 prev->next = entry->next;
515
516 if (qemu_put_mouse_event_current == entry)
517 qemu_put_mouse_event_current = prev;
518
519 qemu_free(entry->qemu_put_mouse_event_name);
520 qemu_free(entry);
521 }
522
523 void kbd_put_keycode(int keycode)
524 {
525 if (qemu_put_kbd_event) {
526 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
527 }
528 }
529
530 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
531 {
532 QEMUPutMouseEvent *mouse_event;
533 void *mouse_event_opaque;
534 int width;
535
536 if (!qemu_put_mouse_event_current) {
537 return;
538 }
539
540 mouse_event =
541 qemu_put_mouse_event_current->qemu_put_mouse_event;
542 mouse_event_opaque =
543 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
544
545 if (mouse_event) {
546 if (graphic_rotate) {
547 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
548 width = 0x7fff;
549 else
550 width = graphic_width;
551 mouse_event(mouse_event_opaque,
552 width - dy, dx, dz, buttons_state);
553 } else
554 mouse_event(mouse_event_opaque,
555 dx, dy, dz, buttons_state);
556 }
557 }
558
559 int kbd_mouse_is_absolute(void)
560 {
561 if (!qemu_put_mouse_event_current)
562 return 0;
563
564 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
565 }
566
567 void do_info_mice(void)
568 {
569 QEMUPutMouseEntry *cursor;
570 int index = 0;
571
572 if (!qemu_put_mouse_event_head) {
573 term_printf("No mouse devices connected\n");
574 return;
575 }
576
577 term_printf("Mouse devices available:\n");
578 cursor = qemu_put_mouse_event_head;
579 while (cursor != NULL) {
580 term_printf("%c Mouse #%d: %s\n",
581 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
582 index, cursor->qemu_put_mouse_event_name);
583 index++;
584 cursor = cursor->next;
585 }
586 }
587
588 void do_mouse_set(int index)
589 {
590 QEMUPutMouseEntry *cursor;
591 int i = 0;
592
593 if (!qemu_put_mouse_event_head) {
594 term_printf("No mouse devices connected\n");
595 return;
596 }
597
598 cursor = qemu_put_mouse_event_head;
599 while (cursor != NULL && index != i) {
600 i++;
601 cursor = cursor->next;
602 }
603
604 if (cursor != NULL)
605 qemu_put_mouse_event_current = cursor;
606 else
607 term_printf("Mouse at given index not found\n");
608 }
609
610 /* compute with 96 bit intermediate result: (a*b)/c */
611 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
612 {
613 union {
614 uint64_t ll;
615 struct {
616 #ifdef WORDS_BIGENDIAN
617 uint32_t high, low;
618 #else
619 uint32_t low, high;
620 #endif
621 } l;
622 } u, res;
623 uint64_t rl, rh;
624
625 u.ll = a;
626 rl = (uint64_t)u.l.low * (uint64_t)b;
627 rh = (uint64_t)u.l.high * (uint64_t)b;
628 rh += (rl >> 32);
629 res.l.high = rh / c;
630 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
631 return res.ll;
632 }
633
634 /***********************************************************/
635 /* real time host monotonic timer */
636
637 #define QEMU_TIMER_BASE 1000000000LL
638
639 #ifdef WIN32
640
641 static int64_t clock_freq;
642
643 static void init_get_clock(void)
644 {
645 LARGE_INTEGER freq;
646 int ret;
647 ret = QueryPerformanceFrequency(&freq);
648 if (ret == 0) {
649 fprintf(stderr, "Could not calibrate ticks\n");
650 exit(1);
651 }
652 clock_freq = freq.QuadPart;
653 }
654
655 static int64_t get_clock(void)
656 {
657 LARGE_INTEGER ti;
658 QueryPerformanceCounter(&ti);
659 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
660 }
661
662 #else
663
664 static int use_rt_clock;
665
666 static void init_get_clock(void)
667 {
668 use_rt_clock = 0;
669 #if defined(__linux__)
670 {
671 struct timespec ts;
672 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
673 use_rt_clock = 1;
674 }
675 }
676 #endif
677 }
678
679 static int64_t get_clock(void)
680 {
681 #if defined(__linux__)
682 if (use_rt_clock) {
683 struct timespec ts;
684 clock_gettime(CLOCK_MONOTONIC, &ts);
685 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
686 } else
687 #endif
688 {
689 /* XXX: using gettimeofday leads to problems if the date
690 changes, so it should be avoided. */
691 struct timeval tv;
692 gettimeofday(&tv, NULL);
693 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
694 }
695 }
696
697 #endif
698
699 /***********************************************************/
700 /* guest cycle counter */
701
702 static int64_t cpu_ticks_prev;
703 static int64_t cpu_ticks_offset;
704 static int64_t cpu_clock_offset;
705 static int cpu_ticks_enabled;
706
707 /* return the host CPU cycle counter and handle stop/restart */
708 int64_t cpu_get_ticks(void)
709 {
710 if (!cpu_ticks_enabled) {
711 return cpu_ticks_offset;
712 } else {
713 int64_t ticks;
714 ticks = cpu_get_real_ticks();
715 if (cpu_ticks_prev > ticks) {
716 /* Note: non increasing ticks may happen if the host uses
717 software suspend */
718 cpu_ticks_offset += cpu_ticks_prev - ticks;
719 }
720 cpu_ticks_prev = ticks;
721 return ticks + cpu_ticks_offset;
722 }
723 }
724
725 /* return the host CPU monotonic timer and handle stop/restart */
726 static int64_t cpu_get_clock(void)
727 {
728 int64_t ti;
729 if (!cpu_ticks_enabled) {
730 return cpu_clock_offset;
731 } else {
732 ti = get_clock();
733 return ti + cpu_clock_offset;
734 }
735 }
736
737 /* enable cpu_get_ticks() */
738 void cpu_enable_ticks(void)
739 {
740 if (!cpu_ticks_enabled) {
741 cpu_ticks_offset -= cpu_get_real_ticks();
742 cpu_clock_offset -= get_clock();
743 cpu_ticks_enabled = 1;
744 }
745 }
746
747 /* disable cpu_get_ticks() : the clock is stopped. You must not call
748 cpu_get_ticks() after that. */
749 void cpu_disable_ticks(void)
750 {
751 if (cpu_ticks_enabled) {
752 cpu_ticks_offset = cpu_get_ticks();
753 cpu_clock_offset = cpu_get_clock();
754 cpu_ticks_enabled = 0;
755 }
756 }
757
758 /***********************************************************/
759 /* timers */
760
761 #define QEMU_TIMER_REALTIME 0
762 #define QEMU_TIMER_VIRTUAL 1
763
764 struct QEMUClock {
765 int type;
766 /* XXX: add frequency */
767 };
768
769 struct QEMUTimer {
770 QEMUClock *clock;
771 int64_t expire_time;
772 QEMUTimerCB *cb;
773 void *opaque;
774 struct QEMUTimer *next;
775 };
776
777 QEMUClock *rt_clock;
778 QEMUClock *vm_clock;
779
780 static QEMUTimer *active_timers[2];
781 #ifdef _WIN32
782 static MMRESULT timerID;
783 static HANDLE host_alarm = NULL;
784 static unsigned int period = 1;
785 #else
786 /* frequency of the times() clock tick */
787 static int timer_freq;
788 #endif
789
790 QEMUClock *qemu_new_clock(int type)
791 {
792 QEMUClock *clock;
793 clock = qemu_mallocz(sizeof(QEMUClock));
794 if (!clock)
795 return NULL;
796 clock->type = type;
797 return clock;
798 }
799
800 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
801 {
802 QEMUTimer *ts;
803
804 ts = qemu_mallocz(sizeof(QEMUTimer));
805 ts->clock = clock;
806 ts->cb = cb;
807 ts->opaque = opaque;
808 return ts;
809 }
810
811 void qemu_free_timer(QEMUTimer *ts)
812 {
813 qemu_free(ts);
814 }
815
816 /* stop a timer, but do not dealloc it */
817 void qemu_del_timer(QEMUTimer *ts)
818 {
819 QEMUTimer **pt, *t;
820
821 /* NOTE: this code must be signal safe because
822 qemu_timer_expired() can be called from a signal. */
823 pt = &active_timers[ts->clock->type];
824 for(;;) {
825 t = *pt;
826 if (!t)
827 break;
828 if (t == ts) {
829 *pt = t->next;
830 break;
831 }
832 pt = &t->next;
833 }
834 }
835
836 /* modify the current timer so that it will be fired when current_time
837 >= expire_time. The corresponding callback will be called. */
838 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
839 {
840 QEMUTimer **pt, *t;
841
842 qemu_del_timer(ts);
843
844 /* add the timer in the sorted list */
845 /* NOTE: this code must be signal safe because
846 qemu_timer_expired() can be called from a signal. */
847 pt = &active_timers[ts->clock->type];
848 for(;;) {
849 t = *pt;
850 if (!t)
851 break;
852 if (t->expire_time > expire_time)
853 break;
854 pt = &t->next;
855 }
856 ts->expire_time = expire_time;
857 ts->next = *pt;
858 *pt = ts;
859 }
860
861 int qemu_timer_pending(QEMUTimer *ts)
862 {
863 QEMUTimer *t;
864 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
865 if (t == ts)
866 return 1;
867 }
868 return 0;
869 }
870
871 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
872 {
873 if (!timer_head)
874 return 0;
875 return (timer_head->expire_time <= current_time);
876 }
877
878 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
879 {
880 QEMUTimer *ts;
881
882 for(;;) {
883 ts = *ptimer_head;
884 if (!ts || ts->expire_time > current_time)
885 break;
886 /* remove timer from the list before calling the callback */
887 *ptimer_head = ts->next;
888 ts->next = NULL;
889
890 /* run the callback (the timer list can be modified) */
891 ts->cb(ts->opaque);
892 }
893 }
894
895 int64_t qemu_get_clock(QEMUClock *clock)
896 {
897 switch(clock->type) {
898 case QEMU_TIMER_REALTIME:
899 return get_clock() / 1000000;
900 default:
901 case QEMU_TIMER_VIRTUAL:
902 return cpu_get_clock();
903 }
904 }
905
906 static void init_timers(void)
907 {
908 init_get_clock();
909 ticks_per_sec = QEMU_TIMER_BASE;
910 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
911 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
912 }
913
914 /* save a timer */
915 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
916 {
917 uint64_t expire_time;
918
919 if (qemu_timer_pending(ts)) {
920 expire_time = ts->expire_time;
921 } else {
922 expire_time = -1;
923 }
924 qemu_put_be64(f, expire_time);
925 }
926
927 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
928 {
929 uint64_t expire_time;
930
931 expire_time = qemu_get_be64(f);
932 if (expire_time != -1) {
933 qemu_mod_timer(ts, expire_time);
934 } else {
935 qemu_del_timer(ts);
936 }
937 }
938
939 static void timer_save(QEMUFile *f, void *opaque)
940 {
941 if (cpu_ticks_enabled) {
942 hw_error("cannot save state if virtual timers are running");
943 }
944 qemu_put_be64s(f, &cpu_ticks_offset);
945 qemu_put_be64s(f, &ticks_per_sec);
946 qemu_put_be64s(f, &cpu_clock_offset);
947 }
948
949 static int timer_load(QEMUFile *f, void *opaque, int version_id)
950 {
951 if (version_id != 1 && version_id != 2)
952 return -EINVAL;
953 if (cpu_ticks_enabled) {
954 return -EINVAL;
955 }
956 qemu_get_be64s(f, &cpu_ticks_offset);
957 qemu_get_be64s(f, &ticks_per_sec);
958 if (version_id == 2) {
959 qemu_get_be64s(f, &cpu_clock_offset);
960 }
961 return 0;
962 }
963
964 #ifdef _WIN32
965 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
966 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
967 #else
968 static void host_alarm_handler(int host_signum)
969 #endif
970 {
971 #if 0
972 #define DISP_FREQ 1000
973 {
974 static int64_t delta_min = INT64_MAX;
975 static int64_t delta_max, delta_cum, last_clock, delta, ti;
976 static int count;
977 ti = qemu_get_clock(vm_clock);
978 if (last_clock != 0) {
979 delta = ti - last_clock;
980 if (delta < delta_min)
981 delta_min = delta;
982 if (delta > delta_max)
983 delta_max = delta;
984 delta_cum += delta;
985 if (++count == DISP_FREQ) {
986 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
987 muldiv64(delta_min, 1000000, ticks_per_sec),
988 muldiv64(delta_max, 1000000, ticks_per_sec),
989 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
990 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
991 count = 0;
992 delta_min = INT64_MAX;
993 delta_max = 0;
994 delta_cum = 0;
995 }
996 }
997 last_clock = ti;
998 }
999 #endif
1000 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1001 qemu_get_clock(vm_clock)) ||
1002 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1003 qemu_get_clock(rt_clock))) {
1004 #ifdef _WIN32
1005 SetEvent(host_alarm);
1006 #endif
1007 CPUState *env = cpu_single_env;
1008 if (env) {
1009 /* stop the currently executing cpu because a timer occured */
1010 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1011 #ifdef USE_KQEMU
1012 if (env->kqemu_enabled) {
1013 kqemu_cpu_interrupt(env);
1014 }
1015 #endif
1016 }
1017 }
1018 }
1019
1020 #ifndef _WIN32
1021
1022 #if defined(__linux__)
1023
1024 #define RTC_FREQ 1024
1025
1026 static int rtc_fd;
1027
1028 static int start_rtc_timer(void)
1029 {
1030 rtc_fd = open("/dev/rtc", O_RDONLY);
1031 if (rtc_fd < 0)
1032 return -1;
1033 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1034 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1035 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1036 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1037 goto fail;
1038 }
1039 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1040 fail:
1041 close(rtc_fd);
1042 return -1;
1043 }
1044 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
1045 return 0;
1046 }
1047
1048 #else
1049
1050 static int start_rtc_timer(void)
1051 {
1052 return -1;
1053 }
1054
1055 #endif /* !defined(__linux__) */
1056
1057 #endif /* !defined(_WIN32) */
1058
1059 static void init_timer_alarm(void)
1060 {
1061 #ifdef _WIN32
1062 {
1063 int count=0;
1064 TIMECAPS tc;
1065
1066 ZeroMemory(&tc, sizeof(TIMECAPS));
1067 timeGetDevCaps(&tc, sizeof(TIMECAPS));
1068 if (period < tc.wPeriodMin)
1069 period = tc.wPeriodMin;
1070 timeBeginPeriod(period);
1071 timerID = timeSetEvent(1, // interval (ms)
1072 period, // resolution
1073 host_alarm_handler, // function
1074 (DWORD)&count, // user parameter
1075 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
1076 if( !timerID ) {
1077 perror("failed timer alarm");
1078 exit(1);
1079 }
1080 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1081 if (!host_alarm) {
1082 perror("failed CreateEvent");
1083 exit(1);
1084 }
1085 qemu_add_wait_object(host_alarm, NULL, NULL);
1086 }
1087 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
1088 #else
1089 {
1090 struct sigaction act;
1091 struct itimerval itv;
1092
1093 /* get times() syscall frequency */
1094 timer_freq = sysconf(_SC_CLK_TCK);
1095
1096 /* timer signal */
1097 sigfillset(&act.sa_mask);
1098 act.sa_flags = 0;
1099 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
1100 act.sa_flags |= SA_ONSTACK;
1101 #endif
1102 act.sa_handler = host_alarm_handler;
1103 sigaction(SIGALRM, &act, NULL);
1104
1105 itv.it_interval.tv_sec = 0;
1106 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
1107 itv.it_value.tv_sec = 0;
1108 itv.it_value.tv_usec = 10 * 1000;
1109 setitimer(ITIMER_REAL, &itv, NULL);
1110 /* we probe the tick duration of the kernel to inform the user if
1111 the emulated kernel requested a too high timer frequency */
1112 getitimer(ITIMER_REAL, &itv);
1113
1114 #if defined(__linux__)
1115 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
1116 have timers with 1 ms resolution. The correct solution will
1117 be to use the POSIX real time timers available in recent
1118 2.6 kernels */
1119 if (itv.it_interval.tv_usec > 1000 || 1) {
1120 /* try to use /dev/rtc to have a faster timer */
1121 if (start_rtc_timer() < 0)
1122 goto use_itimer;
1123 /* disable itimer */
1124 itv.it_interval.tv_sec = 0;
1125 itv.it_interval.tv_usec = 0;
1126 itv.it_value.tv_sec = 0;
1127 itv.it_value.tv_usec = 0;
1128 setitimer(ITIMER_REAL, &itv, NULL);
1129
1130 /* use the RTC */
1131 sigaction(SIGIO, &act, NULL);
1132 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1133 fcntl(rtc_fd, F_SETOWN, getpid());
1134 } else
1135 #endif /* defined(__linux__) */
1136 {
1137 use_itimer:
1138 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1139 PIT_FREQ) / 1000000;
1140 }
1141 }
1142 #endif
1143 }
1144
1145 void quit_timers(void)
1146 {
1147 #ifdef _WIN32
1148 timeKillEvent(timerID);
1149 timeEndPeriod(period);
1150 if (host_alarm) {
1151 CloseHandle(host_alarm);
1152 host_alarm = NULL;
1153 }
1154 #endif
1155 }
1156
1157 /***********************************************************/
1158 /* character device */
1159
1160 static void qemu_chr_event(CharDriverState *s, int event)
1161 {
1162 if (!s->chr_event)
1163 return;
1164 s->chr_event(s->handler_opaque, event);
1165 }
1166
1167 static void qemu_chr_reset_bh(void *opaque)
1168 {
1169 CharDriverState *s = opaque;
1170 qemu_chr_event(s, CHR_EVENT_RESET);
1171 qemu_bh_delete(s->bh);
1172 s->bh = NULL;
1173 }
1174
1175 void qemu_chr_reset(CharDriverState *s)
1176 {
1177 if (s->bh == NULL) {
1178 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1179 qemu_bh_schedule(s->bh);
1180 }
1181 }
1182
1183 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1184 {
1185 return s->chr_write(s, buf, len);
1186 }
1187
1188 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1189 {
1190 if (!s->chr_ioctl)
1191 return -ENOTSUP;
1192 return s->chr_ioctl(s, cmd, arg);
1193 }
1194
1195 int qemu_chr_can_read(CharDriverState *s)
1196 {
1197 if (!s->chr_can_read)
1198 return 0;
1199 return s->chr_can_read(s->handler_opaque);
1200 }
1201
1202 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
1203 {
1204 s->chr_read(s->handler_opaque, buf, len);
1205 }
1206
1207
1208 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1209 {
1210 char buf[4096];
1211 va_list ap;
1212 va_start(ap, fmt);
1213 vsnprintf(buf, sizeof(buf), fmt, ap);
1214 qemu_chr_write(s, buf, strlen(buf));
1215 va_end(ap);
1216 }
1217
1218 void qemu_chr_send_event(CharDriverState *s, int event)
1219 {
1220 if (s->chr_send_event)
1221 s->chr_send_event(s, event);
1222 }
1223
1224 void qemu_chr_add_handlers(CharDriverState *s,
1225 IOCanRWHandler *fd_can_read,
1226 IOReadHandler *fd_read,
1227 IOEventHandler *fd_event,
1228 void *opaque)
1229 {
1230 s->chr_can_read = fd_can_read;
1231 s->chr_read = fd_read;
1232 s->chr_event = fd_event;
1233 s->handler_opaque = opaque;
1234 if (s->chr_update_read_handler)
1235 s->chr_update_read_handler(s);
1236 }
1237
1238 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1239 {
1240 return len;
1241 }
1242
1243 static CharDriverState *qemu_chr_open_null(void)
1244 {
1245 CharDriverState *chr;
1246
1247 chr = qemu_mallocz(sizeof(CharDriverState));
1248 if (!chr)
1249 return NULL;
1250 chr->chr_write = null_chr_write;
1251 return chr;
1252 }
1253
1254 /* MUX driver for serial I/O splitting */
1255 static int term_timestamps;
1256 static int64_t term_timestamps_start;
1257 #define MAX_MUX 4
1258 typedef struct {
1259 IOCanRWHandler *chr_can_read[MAX_MUX];
1260 IOReadHandler *chr_read[MAX_MUX];
1261 IOEventHandler *chr_event[MAX_MUX];
1262 void *ext_opaque[MAX_MUX];
1263 CharDriverState *drv;
1264 int mux_cnt;
1265 int term_got_escape;
1266 int max_size;
1267 } MuxDriver;
1268
1269
1270 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1271 {
1272 MuxDriver *d = chr->opaque;
1273 int ret;
1274 if (!term_timestamps) {
1275 ret = d->drv->chr_write(d->drv, buf, len);
1276 } else {
1277 int i;
1278
1279 ret = 0;
1280 for(i = 0; i < len; i++) {
1281 ret += d->drv->chr_write(d->drv, buf+i, 1);
1282 if (buf[i] == '\n') {
1283 char buf1[64];
1284 int64_t ti;
1285 int secs;
1286
1287 ti = get_clock();
1288 if (term_timestamps_start == -1)
1289 term_timestamps_start = ti;
1290 ti -= term_timestamps_start;
1291 secs = ti / 1000000000;
1292 snprintf(buf1, sizeof(buf1),
1293 "[%02d:%02d:%02d.%03d] ",
1294 secs / 3600,
1295 (secs / 60) % 60,
1296 secs % 60,
1297 (int)((ti / 1000000) % 1000));
1298 d->drv->chr_write(d->drv, buf1, strlen(buf1));
1299 }
1300 }
1301 }
1302 return ret;
1303 }
1304
1305 static char *mux_help[] = {
1306 "% h print this help\n\r",
1307 "% x exit emulator\n\r",
1308 "% s save disk data back to file (if -snapshot)\n\r",
1309 "% t toggle console timestamps\n\r"
1310 "% b send break (magic sysrq)\n\r",
1311 "% c switch between console and monitor\n\r",
1312 "% % sends %\n\r",
1313 NULL
1314 };
1315
1316 static int term_escape_char = 0x01; /* ctrl-a is used for escape */
1317 static void mux_print_help(CharDriverState *chr)
1318 {
1319 int i, j;
1320 char ebuf[15] = "Escape-Char";
1321 char cbuf[50] = "\n\r";
1322
1323 if (term_escape_char > 0 && term_escape_char < 26) {
1324 sprintf(cbuf,"\n\r");
1325 sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a');
1326 } else {
1327 sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", term_escape_char);
1328 }
1329 chr->chr_write(chr, cbuf, strlen(cbuf));
1330 for (i = 0; mux_help[i] != NULL; i++) {
1331 for (j=0; mux_help[i][j] != '\0'; j++) {
1332 if (mux_help[i][j] == '%')
1333 chr->chr_write(chr, ebuf, strlen(ebuf));
1334 else
1335 chr->chr_write(chr, &mux_help[i][j], 1);
1336 }
1337 }
1338 }
1339
1340 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
1341 {
1342 if (d->term_got_escape) {
1343 d->term_got_escape = 0;
1344 if (ch == term_escape_char)
1345 goto send_char;
1346 switch(ch) {
1347 case '?':
1348 case 'h':
1349 mux_print_help(chr);
1350 break;
1351 case 'x':
1352 {
1353 char *term = "QEMU: Terminated\n\r";
1354 chr->chr_write(chr,term,strlen(term));
1355 exit(0);
1356 break;
1357 }
1358 case 's':
1359 {
1360 int i;
1361 for (i = 0; i < MAX_DISKS; i++) {
1362 if (bs_table[i])
1363 bdrv_commit(bs_table[i]);
1364 }
1365 }
1366 break;
1367 case 'b':
1368 if (chr->chr_event)
1369 chr->chr_event(chr->opaque, CHR_EVENT_BREAK);
1370 break;
1371 case 'c':
1372 /* Switch to the next registered device */
1373 chr->focus++;
1374 if (chr->focus >= d->mux_cnt)
1375 chr->focus = 0;
1376 break;
1377 case 't':
1378 term_timestamps = !term_timestamps;
1379 term_timestamps_start = -1;
1380 break;
1381 }
1382 } else if (ch == term_escape_char) {
1383 d->term_got_escape = 1;
1384 } else {
1385 send_char:
1386 return 1;
1387 }
1388 return 0;
1389 }
1390
1391 static int mux_chr_can_read(void *opaque)
1392 {
1393 CharDriverState *chr = opaque;
1394 MuxDriver *d = chr->opaque;
1395 if (d->chr_can_read[chr->focus])
1396 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
1397 return 0;
1398 }
1399
1400 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
1401 {
1402 CharDriverState *chr = opaque;
1403 MuxDriver *d = chr->opaque;
1404 int i;
1405 for(i = 0; i < size; i++)
1406 if (mux_proc_byte(chr, d, buf[i]))
1407 d->chr_read[chr->focus](d->ext_opaque[chr->focus], &buf[i], 1);
1408 }
1409
1410 static void mux_chr_event(void *opaque, int event)
1411 {
1412 CharDriverState *chr = opaque;
1413 MuxDriver *d = chr->opaque;
1414 int i;
1415
1416 /* Send the event to all registered listeners */
1417 for (i = 0; i < d->mux_cnt; i++)
1418 if (d->chr_event[i])
1419 d->chr_event[i](d->ext_opaque[i], event);
1420 }
1421
1422 static void mux_chr_update_read_handler(CharDriverState *chr)
1423 {
1424 MuxDriver *d = chr->opaque;
1425
1426 if (d->mux_cnt >= MAX_MUX) {
1427 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
1428 return;
1429 }
1430 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
1431 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
1432 d->chr_read[d->mux_cnt] = chr->chr_read;
1433 d->chr_event[d->mux_cnt] = chr->chr_event;
1434 /* Fix up the real driver with mux routines */
1435 if (d->mux_cnt == 0) {
1436 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
1437 mux_chr_event, chr);
1438 }
1439 chr->focus = d->mux_cnt;
1440 d->mux_cnt++;
1441 }
1442
1443 CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
1444 {
1445 CharDriverState *chr;
1446 MuxDriver *d;
1447
1448 chr = qemu_mallocz(sizeof(CharDriverState));
1449 if (!chr)
1450 return NULL;
1451 d = qemu_mallocz(sizeof(MuxDriver));
1452 if (!d) {
1453 free(chr);
1454 return NULL;
1455 }
1456
1457 chr->opaque = d;
1458 d->drv = drv;
1459 chr->focus = -1;
1460 chr->chr_write = mux_chr_write;
1461 chr->chr_update_read_handler = mux_chr_update_read_handler;
1462 return chr;
1463 }
1464
1465
1466 #ifdef _WIN32
1467
1468 static void socket_cleanup(void)
1469 {
1470 WSACleanup();
1471 }
1472
1473 static int socket_init(void)
1474 {
1475 WSADATA Data;
1476 int ret, err;
1477
1478 ret = WSAStartup(MAKEWORD(2,2), &Data);
1479 if (ret != 0) {
1480 err = WSAGetLastError();
1481 fprintf(stderr, "WSAStartup: %d\n", err);
1482 return -1;
1483 }
1484 atexit(socket_cleanup);
1485 return 0;
1486 }
1487
1488 static int send_all(int fd, const uint8_t *buf, int len1)
1489 {
1490 int ret, len;
1491
1492 len = len1;
1493 while (len > 0) {
1494 ret = send(fd, buf, len, 0);
1495 if (ret < 0) {
1496 int errno;
1497 errno = WSAGetLastError();
1498 if (errno != WSAEWOULDBLOCK) {
1499 return -1;
1500 }
1501 } else if (ret == 0) {
1502 break;
1503 } else {
1504 buf += ret;
1505 len -= ret;
1506 }
1507 }
1508 return len1 - len;
1509 }
1510
1511 void socket_set_nonblock(int fd)
1512 {
1513 unsigned long opt = 1;
1514 ioctlsocket(fd, FIONBIO, &opt);
1515 }
1516
1517 #else
1518
1519 static int unix_write(int fd, const uint8_t *buf, int len1)
1520 {
1521 int ret, len;
1522
1523 len = len1;
1524 while (len > 0) {
1525 ret = write(fd, buf, len);
1526 if (ret < 0) {
1527 if (errno != EINTR && errno != EAGAIN)
1528 return -1;
1529 } else if (ret == 0) {
1530 break;
1531 } else {
1532 buf += ret;
1533 len -= ret;
1534 }
1535 }
1536 return len1 - len;
1537 }
1538
1539 static inline int send_all(int fd, const uint8_t *buf, int len1)
1540 {
1541 return unix_write(fd, buf, len1);
1542 }
1543
1544 void socket_set_nonblock(int fd)
1545 {
1546 fcntl(fd, F_SETFL, O_NONBLOCK);
1547 }
1548 #endif /* !_WIN32 */
1549
1550 #ifndef _WIN32
1551
1552 typedef struct {
1553 int fd_in, fd_out;
1554 int max_size;
1555 } FDCharDriver;
1556
1557 #define STDIO_MAX_CLIENTS 1
1558 static int stdio_nb_clients = 0;
1559
1560 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1561 {
1562 FDCharDriver *s = chr->opaque;
1563 return unix_write(s->fd_out, buf, len);
1564 }
1565
1566 static int fd_chr_read_poll(void *opaque)
1567 {
1568 CharDriverState *chr = opaque;
1569 FDCharDriver *s = chr->opaque;
1570
1571 s->max_size = qemu_chr_can_read(chr);
1572 return s->max_size;
1573 }
1574
1575 static void fd_chr_read(void *opaque)
1576 {
1577 CharDriverState *chr = opaque;
1578 FDCharDriver *s = chr->opaque;
1579 int size, len;
1580 uint8_t buf[1024];
1581
1582 len = sizeof(buf);
1583 if (len > s->max_size)
1584 len = s->max_size;
1585 if (len == 0)
1586 return;
1587 size = read(s->fd_in, buf, len);
1588 if (size == 0) {
1589 /* FD has been closed. Remove it from the active list. */
1590 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
1591 return;
1592 }
1593 if (size > 0) {
1594 qemu_chr_read(chr, buf, size);
1595 }
1596 }
1597
1598 static void fd_chr_update_read_handler(CharDriverState *chr)
1599 {
1600 FDCharDriver *s = chr->opaque;
1601
1602 if (s->fd_in >= 0) {
1603 if (nographic && s->fd_in == 0) {
1604 } else {
1605 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1606 fd_chr_read, NULL, chr);
1607 }
1608 }
1609 }
1610
1611 /* open a character device to a unix fd */
1612 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1613 {
1614 CharDriverState *chr;
1615 FDCharDriver *s;
1616
1617 chr = qemu_mallocz(sizeof(CharDriverState));
1618 if (!chr)
1619 return NULL;
1620 s = qemu_mallocz(sizeof(FDCharDriver));
1621 if (!s) {
1622 free(chr);
1623 return NULL;
1624 }
1625 s->fd_in = fd_in;
1626 s->fd_out = fd_out;
1627 chr->opaque = s;
1628 chr->chr_write = fd_chr_write;
1629 chr->chr_update_read_handler = fd_chr_update_read_handler;
1630
1631 qemu_chr_reset(chr);
1632
1633 return chr;
1634 }
1635
1636 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
1637 {
1638 int fd_out;
1639
1640 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
1641 if (fd_out < 0)
1642 return NULL;
1643 return qemu_chr_open_fd(-1, fd_out);
1644 }
1645
1646 static CharDriverState *qemu_chr_open_pipe(const char *filename)
1647 {
1648 int fd_in, fd_out;
1649 char filename_in[256], filename_out[256];
1650
1651 snprintf(filename_in, 256, "%s.in", filename);
1652 snprintf(filename_out, 256, "%s.out", filename);
1653 fd_in = open(filename_in, O_RDWR | O_BINARY);
1654 fd_out = open(filename_out, O_RDWR | O_BINARY);
1655 if (fd_in < 0 || fd_out < 0) {
1656 if (fd_in >= 0)
1657 close(fd_in);
1658 if (fd_out >= 0)
1659 close(fd_out);
1660 fd_in = fd_out = open(filename, O_RDWR | O_BINARY);
1661 if (fd_in < 0)
1662 return NULL;
1663 }
1664 return qemu_chr_open_fd(fd_in, fd_out);
1665 }
1666
1667
1668 /* for STDIO, we handle the case where several clients use it
1669 (nographic mode) */
1670
1671 #define TERM_FIFO_MAX_SIZE 1
1672
1673 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1674 static int term_fifo_size;
1675
1676 static int stdio_read_poll(void *opaque)
1677 {
1678 CharDriverState *chr = opaque;
1679
1680 /* try to flush the queue if needed */
1681 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
1682 qemu_chr_read(chr, term_fifo, 1);
1683 term_fifo_size = 0;
1684 }
1685 /* see if we can absorb more chars */
1686 if (term_fifo_size == 0)
1687 return 1;
1688 else
1689 return 0;
1690 }
1691
1692 static void stdio_read(void *opaque)
1693 {
1694 int size;
1695 uint8_t buf[1];
1696 CharDriverState *chr = opaque;
1697
1698 size = read(0, buf, 1);
1699 if (size == 0) {
1700 /* stdin has been closed. Remove it from the active list. */
1701 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
1702 return;
1703 }
1704 if (size > 0) {
1705 if (qemu_chr_can_read(chr) > 0) {
1706 qemu_chr_read(chr, buf, 1);
1707 } else if (term_fifo_size == 0) {
1708 term_fifo[term_fifo_size++] = buf[0];
1709 }
1710 }
1711 }
1712
1713 /* init terminal so that we can grab keys */
1714 static struct termios oldtty;
1715 static int old_fd0_flags;
1716
1717 static void term_exit(void)
1718 {
1719 tcsetattr (0, TCSANOW, &oldtty);
1720 fcntl(0, F_SETFL, old_fd0_flags);
1721 }
1722
1723 static void term_init(void)
1724 {
1725 struct termios tty;
1726
1727 tcgetattr (0, &tty);
1728 oldtty = tty;
1729 old_fd0_flags = fcntl(0, F_GETFL);
1730
1731 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1732 |INLCR|IGNCR|ICRNL|IXON);
1733 tty.c_oflag |= OPOST;
1734 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1735 /* if graphical mode, we allow Ctrl-C handling */
1736 if (nographic)
1737 tty.c_lflag &= ~ISIG;
1738 tty.c_cflag &= ~(CSIZE|PARENB);
1739 tty.c_cflag |= CS8;
1740 tty.c_cc[VMIN] = 1;
1741 tty.c_cc[VTIME] = 0;
1742
1743 tcsetattr (0, TCSANOW, &tty);
1744
1745 atexit(term_exit);
1746
1747 fcntl(0, F_SETFL, O_NONBLOCK);
1748 }
1749
1750 static CharDriverState *qemu_chr_open_stdio(void)
1751 {
1752 CharDriverState *chr;
1753
1754 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1755 return NULL;
1756 chr = qemu_chr_open_fd(0, 1);
1757 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
1758 stdio_nb_clients++;
1759 term_init();
1760
1761 return chr;
1762 }
1763
1764 #if defined(__linux__)
1765 static CharDriverState *qemu_chr_open_pty(void)
1766 {
1767 struct termios tty;
1768 char slave_name[1024];
1769 int master_fd, slave_fd;
1770
1771 /* Not satisfying */
1772 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1773 return NULL;
1774 }
1775
1776 /* Disabling local echo and line-buffered output */
1777 tcgetattr (master_fd, &tty);
1778 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1779 tty.c_cc[VMIN] = 1;
1780 tty.c_cc[VTIME] = 0;
1781 tcsetattr (master_fd, TCSAFLUSH, &tty);
1782
1783 fprintf(stderr, "char device redirected to %s\n", slave_name);
1784 return qemu_chr_open_fd(master_fd, master_fd);
1785 }
1786
1787 static void tty_serial_init(int fd, int speed,
1788 int parity, int data_bits, int stop_bits)
1789 {
1790 struct termios tty;
1791 speed_t spd;
1792
1793 #if 0
1794 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1795 speed, parity, data_bits, stop_bits);
1796 #endif
1797 tcgetattr (fd, &tty);
1798
1799 switch(speed) {
1800 case 50:
1801 spd = B50;
1802 break;
1803 case 75:
1804 spd = B75;
1805 break;
1806 case 300:
1807 spd = B300;
1808 break;
1809 case 600:
1810 spd = B600;
1811 break;
1812 case 1200:
1813 spd = B1200;
1814 break;
1815 case 2400:
1816 spd = B2400;
1817 break;
1818 case 4800:
1819 spd = B4800;
1820 break;
1821 case 9600:
1822 spd = B9600;
1823 break;
1824 case 19200:
1825 spd = B19200;
1826 break;
1827 case 38400:
1828 spd = B38400;
1829 break;
1830 case 57600:
1831 spd = B57600;
1832 break;
1833 default:
1834 case 115200:
1835 spd = B115200;
1836 break;
1837 }
1838
1839 cfsetispeed(&tty, spd);
1840 cfsetospeed(&tty, spd);
1841
1842 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1843 |INLCR|IGNCR|ICRNL|IXON);
1844 tty.c_oflag |= OPOST;
1845 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1846 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1847 switch(data_bits) {
1848 default:
1849 case 8:
1850 tty.c_cflag |= CS8;
1851 break;
1852 case 7:
1853 tty.c_cflag |= CS7;
1854 break;
1855 case 6:
1856 tty.c_cflag |= CS6;
1857 break;
1858 case 5:
1859 tty.c_cflag |= CS5;
1860 break;
1861 }
1862 switch(parity) {
1863 default:
1864 case 'N':
1865 break;
1866 case 'E':
1867 tty.c_cflag |= PARENB;
1868 break;
1869 case 'O':
1870 tty.c_cflag |= PARENB | PARODD;
1871 break;
1872 }
1873 if (stop_bits == 2)
1874 tty.c_cflag |= CSTOPB;
1875
1876 tcsetattr (fd, TCSANOW, &tty);
1877 }
1878
1879 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1880 {
1881 FDCharDriver *s = chr->opaque;
1882
1883 switch(cmd) {
1884 case CHR_IOCTL_SERIAL_SET_PARAMS:
1885 {
1886 QEMUSerialSetParams *ssp = arg;
1887 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1888 ssp->data_bits, ssp->stop_bits);
1889 }
1890 break;
1891 case CHR_IOCTL_SERIAL_SET_BREAK:
1892 {
1893 int enable = *(int *)arg;
1894 if (enable)
1895 tcsendbreak(s->fd_in, 1);
1896 }
1897 break;
1898 default:
1899 return -ENOTSUP;
1900 }
1901 return 0;
1902 }
1903
1904 static CharDriverState *qemu_chr_open_tty(const char *filename)
1905 {
1906 CharDriverState *chr;
1907 int fd;
1908
1909 fd = open(filename, O_RDWR | O_NONBLOCK);
1910 if (fd < 0)
1911 return NULL;
1912 fcntl(fd, F_SETFL, O_NONBLOCK);
1913 tty_serial_init(fd, 115200, 'N', 8, 1);
1914 chr = qemu_chr_open_fd(fd, fd);
1915 if (!chr)
1916 return NULL;
1917 chr->chr_ioctl = tty_serial_ioctl;
1918 qemu_chr_reset(chr);
1919 return chr;
1920 }
1921
1922 typedef struct {
1923 int fd;
1924 int mode;
1925 } ParallelCharDriver;
1926
1927 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1928 {
1929 if (s->mode != mode) {
1930 int m = mode;
1931 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1932 return 0;
1933 s->mode = mode;
1934 }
1935 return 1;
1936 }
1937
1938 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1939 {
1940 ParallelCharDriver *drv = chr->opaque;
1941 int fd = drv->fd;
1942 uint8_t b;
1943
1944 switch(cmd) {
1945 case CHR_IOCTL_PP_READ_DATA:
1946 if (ioctl(fd, PPRDATA, &b) < 0)
1947 return -ENOTSUP;
1948 *(uint8_t *)arg = b;
1949 break;
1950 case CHR_IOCTL_PP_WRITE_DATA:
1951 b = *(uint8_t *)arg;
1952 if (ioctl(fd, PPWDATA, &b) < 0)
1953 return -ENOTSUP;
1954 break;
1955 case CHR_IOCTL_PP_READ_CONTROL:
1956 if (ioctl(fd, PPRCONTROL, &b) < 0)
1957 return -ENOTSUP;
1958 /* Linux gives only the lowest bits, and no way to know data
1959 direction! For better compatibility set the fixed upper
1960 bits. */
1961 *(uint8_t *)arg = b | 0xc0;
1962 break;
1963 case CHR_IOCTL_PP_WRITE_CONTROL:
1964 b = *(uint8_t *)arg;
1965 if (ioctl(fd, PPWCONTROL, &b) < 0)
1966 return -ENOTSUP;
1967 break;
1968 case CHR_IOCTL_PP_READ_STATUS:
1969 if (ioctl(fd, PPRSTATUS, &b) < 0)
1970 return -ENOTSUP;
1971 *(uint8_t *)arg = b;
1972 break;
1973 case CHR_IOCTL_PP_EPP_READ_ADDR:
1974 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1975 struct ParallelIOArg *parg = arg;
1976 int n = read(fd, parg->buffer, parg->count);
1977 if (n != parg->count) {
1978 return -EIO;
1979 }
1980 }
1981 break;
1982 case CHR_IOCTL_PP_EPP_READ:
1983 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1984 struct ParallelIOArg *parg = arg;
1985 int n = read(fd, parg->buffer, parg->count);
1986 if (n != parg->count) {
1987 return -EIO;
1988 }
1989 }
1990 break;
1991 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1992 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1993 struct ParallelIOArg *parg = arg;
1994 int n = write(fd, parg->buffer, parg->count);
1995 if (n != parg->count) {
1996 return -EIO;
1997 }
1998 }
1999 break;
2000 case CHR_IOCTL_PP_EPP_WRITE:
2001 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2002 struct ParallelIOArg *parg = arg;
2003 int n = write(fd, parg->buffer, parg->count);
2004 if (n != parg->count) {
2005 return -EIO;
2006 }
2007 }
2008 break;
2009 default:
2010 return -ENOTSUP;
2011 }
2012 return 0;
2013 }
2014
2015 static void pp_close(CharDriverState *chr)
2016 {
2017 ParallelCharDriver *drv = chr->opaque;
2018 int fd = drv->fd;
2019
2020 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
2021 ioctl(fd, PPRELEASE);
2022 close(fd);
2023 qemu_free(drv);
2024 }
2025
2026 static CharDriverState *qemu_chr_open_pp(const char *filename)
2027 {
2028 CharDriverState *chr;
2029 ParallelCharDriver *drv;
2030 int fd;
2031
2032 fd = open(filename, O_RDWR);
2033 if (fd < 0)
2034 return NULL;
2035
2036 if (ioctl(fd, PPCLAIM) < 0) {
2037 close(fd);
2038 return NULL;
2039 }
2040
2041 drv = qemu_mallocz(sizeof(ParallelCharDriver));
2042 if (!drv) {
2043 close(fd);
2044 return NULL;
2045 }
2046 drv->fd = fd;
2047 drv->mode = IEEE1284_MODE_COMPAT;
2048
2049 chr = qemu_mallocz(sizeof(CharDriverState));
2050 if (!chr) {
2051 qemu_free(drv);
2052 close(fd);
2053 return NULL;
2054 }
2055 chr->chr_write = null_chr_write;
2056 chr->chr_ioctl = pp_ioctl;
2057 chr->chr_close = pp_close;
2058 chr->opaque = drv;
2059
2060 qemu_chr_reset(chr);
2061
2062 return chr;
2063 }
2064
2065 #else
2066 static CharDriverState *qemu_chr_open_pty(void)
2067 {
2068 return NULL;
2069 }
2070 #endif
2071
2072 #endif /* !defined(_WIN32) */
2073
2074 #ifdef _WIN32
2075 typedef struct {
2076 int max_size;
2077 HANDLE hcom, hrecv, hsend;
2078 OVERLAPPED orecv, osend;
2079 BOOL fpipe;
2080 DWORD len;
2081 } WinCharState;
2082
2083 #define NSENDBUF 2048
2084 #define NRECVBUF 2048
2085 #define MAXCONNECT 1
2086 #define NTIMEOUT 5000
2087
2088 static int win_chr_poll(void *opaque);
2089 static int win_chr_pipe_poll(void *opaque);
2090
2091 static void win_chr_close(CharDriverState *chr)
2092 {
2093 WinCharState *s = chr->opaque;
2094
2095 if (s->hsend) {
2096 CloseHandle(s->hsend);
2097 s->hsend = NULL;
2098 }
2099 if (s->hrecv) {
2100 CloseHandle(s->hrecv);
2101 s->hrecv = NULL;
2102 }
2103 if (s->hcom) {
2104 CloseHandle(s->hcom);
2105 s->hcom = NULL;
2106 }
2107 if (s->fpipe)
2108 qemu_del_polling_cb(win_chr_pipe_poll, chr);
2109 else
2110 qemu_del_polling_cb(win_chr_poll, chr);
2111 }
2112
2113 static int win_chr_init(CharDriverState *chr, const char *filename)
2114 {
2115 WinCharState *s = chr->opaque;
2116 COMMCONFIG comcfg;
2117 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
2118 COMSTAT comstat;
2119 DWORD size;
2120 DWORD err;
2121
2122 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2123 if (!s->hsend) {
2124 fprintf(stderr, "Failed CreateEvent\n");
2125 goto fail;
2126 }
2127 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2128 if (!s->hrecv) {
2129 fprintf(stderr, "Failed CreateEvent\n");
2130 goto fail;
2131 }
2132
2133 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
2134 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
2135 if (s->hcom == INVALID_HANDLE_VALUE) {
2136 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
2137 s->hcom = NULL;
2138 goto fail;
2139 }
2140
2141 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
2142 fprintf(stderr, "Failed SetupComm\n");
2143 goto fail;
2144 }
2145
2146 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
2147 size = sizeof(COMMCONFIG);
2148 GetDefaultCommConfig(filename, &comcfg, &size);
2149 comcfg.dcb.DCBlength = sizeof(DCB);
2150 CommConfigDialog(filename, NULL, &comcfg);
2151
2152 if (!SetCommState(s->hcom, &comcfg.dcb)) {
2153 fprintf(stderr, "Failed SetCommState\n");
2154 goto fail;
2155 }
2156
2157 if (!SetCommMask(s->hcom, EV_ERR)) {
2158 fprintf(stderr, "Failed SetCommMask\n");
2159 goto fail;
2160 }
2161
2162 cto.ReadIntervalTimeout = MAXDWORD;
2163 if (!SetCommTimeouts(s->hcom, &cto)) {
2164 fprintf(stderr, "Failed SetCommTimeouts\n");
2165 goto fail;
2166 }
2167
2168 if (!ClearCommError(s->hcom, &err, &comstat)) {
2169 fprintf(stderr, "Failed ClearCommError\n");
2170 goto fail;
2171 }
2172 qemu_add_polling_cb(win_chr_poll, chr);
2173 return 0;
2174
2175 fail:
2176 win_chr_close(chr);
2177 return -1;
2178 }
2179
2180 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
2181 {
2182 WinCharState *s = chr->opaque;
2183 DWORD len, ret, size, err;
2184
2185 len = len1;
2186 ZeroMemory(&s->osend, sizeof(s->osend));
2187 s->osend.hEvent = s->hsend;
2188 while (len > 0) {
2189 if (s->hsend)
2190 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
2191 else
2192 ret = WriteFile(s->hcom, buf, len, &size, NULL);
2193 if (!ret) {
2194 err = GetLastError();
2195 if (err == ERROR_IO_PENDING) {
2196 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
2197 if (ret) {
2198 buf += size;
2199 len -= size;
2200 } else {
2201 break;
2202 }
2203 } else {
2204 break;
2205 }
2206 } else {
2207 buf += size;
2208 len -= size;
2209 }
2210 }
2211 return len1 - len;
2212 }
2213
2214 static int win_chr_read_poll(CharDriverState *chr)
2215 {
2216 WinCharState *s = chr->opaque;
2217
2218 s->max_size = qemu_chr_can_read(chr);
2219 return s->max_size;
2220 }
2221
2222 static void win_chr_readfile(CharDriverState *chr)
2223 {
2224 WinCharState *s = chr->opaque;
2225 int ret, err;
2226 uint8_t buf[1024];
2227 DWORD size;
2228
2229 ZeroMemory(&s->orecv, sizeof(s->orecv));
2230 s->orecv.hEvent = s->hrecv;
2231 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
2232 if (!ret) {
2233 err = GetLastError();
2234 if (err == ERROR_IO_PENDING) {
2235 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
2236 }
2237 }
2238
2239 if (size > 0) {
2240 qemu_chr_read(chr, buf, size);
2241 }
2242 }
2243
2244 static void win_chr_read(CharDriverState *chr)
2245 {
2246 WinCharState *s = chr->opaque;
2247
2248 if (s->len > s->max_size)
2249 s->len = s->max_size;
2250 if (s->len == 0)
2251 return;
2252
2253 win_chr_readfile(chr);
2254 }
2255
2256 static int win_chr_poll(void *opaque)
2257 {
2258 CharDriverState *chr = opaque;
2259 WinCharState *s = chr->opaque;
2260 COMSTAT status;
2261 DWORD comerr;
2262
2263 ClearCommError(s->hcom, &comerr, &status);
2264 if (status.cbInQue > 0) {
2265 s->len = status.cbInQue;
2266 win_chr_read_poll(chr);
2267 win_chr_read(chr);
2268 return 1;
2269 }
2270 return 0;
2271 }
2272
2273 static CharDriverState *qemu_chr_open_win(const char *filename)
2274 {
2275 CharDriverState *chr;
2276 WinCharState *s;
2277
2278 chr = qemu_mallocz(sizeof(CharDriverState));
2279 if (!chr)
2280 return NULL;
2281 s = qemu_mallocz(sizeof(WinCharState));
2282 if (!s) {
2283 free(chr);
2284 return NULL;
2285 }
2286 chr->opaque = s;
2287 chr->chr_write = win_chr_write;
2288 chr->chr_close = win_chr_close;
2289
2290 if (win_chr_init(chr, filename) < 0) {
2291 free(s);
2292 free(chr);
2293 return NULL;
2294 }
2295 qemu_chr_reset(chr);
2296 return chr;
2297 }
2298
2299 static int win_chr_pipe_poll(void *opaque)
2300 {
2301 CharDriverState *chr = opaque;
2302 WinCharState *s = chr->opaque;
2303 DWORD size;
2304
2305 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2306 if (size > 0) {
2307 s->len = size;
2308 win_chr_read_poll(chr);
2309 win_chr_read(chr);
2310 return 1;
2311 }
2312 return 0;
2313 }
2314
2315 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
2316 {
2317 WinCharState *s = chr->opaque;
2318 OVERLAPPED ov;
2319 int ret;
2320 DWORD size;
2321 char openname[256];
2322
2323 s->fpipe = TRUE;
2324
2325 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2326 if (!s->hsend) {
2327 fprintf(stderr, "Failed CreateEvent\n");
2328 goto fail;
2329 }
2330 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2331 if (!s->hrecv) {
2332 fprintf(stderr, "Failed CreateEvent\n");
2333 goto fail;
2334 }
2335
2336 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2337 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2338 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2339 PIPE_WAIT,
2340 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2341 if (s->hcom == INVALID_HANDLE_VALUE) {
2342 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2343 s->hcom = NULL;
2344 goto fail;
2345 }
2346
2347 ZeroMemory(&ov, sizeof(ov));
2348 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2349 ret = ConnectNamedPipe(s->hcom, &ov);
2350 if (ret) {
2351 fprintf(stderr, "Failed ConnectNamedPipe\n");
2352 goto fail;
2353 }
2354
2355 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2356 if (!ret) {
2357 fprintf(stderr, "Failed GetOverlappedResult\n");
2358 if (ov.hEvent) {
2359 CloseHandle(ov.hEvent);
2360 ov.hEvent = NULL;
2361 }
2362 goto fail;
2363 }
2364
2365 if (ov.hEvent) {
2366 CloseHandle(ov.hEvent);
2367 ov.hEvent = NULL;
2368 }
2369 qemu_add_polling_cb(win_chr_pipe_poll, chr);
2370 return 0;
2371
2372 fail:
2373 win_chr_close(chr);
2374 return -1;
2375 }
2376
2377
2378 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2379 {
2380 CharDriverState *chr;
2381 WinCharState *s;
2382
2383 chr = qemu_mallocz(sizeof(CharDriverState));
2384 if (!chr)
2385 return NULL;
2386 s = qemu_mallocz(sizeof(WinCharState));
2387 if (!s) {
2388 free(chr);
2389 return NULL;
2390 }
2391 chr->opaque = s;
2392 chr->chr_write = win_chr_write;
2393 chr->chr_close = win_chr_close;
2394
2395 if (win_chr_pipe_init(chr, filename) < 0) {
2396 free(s);
2397 free(chr);
2398 return NULL;
2399 }
2400 qemu_chr_reset(chr);
2401 return chr;
2402 }
2403
2404 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2405 {
2406 CharDriverState *chr;
2407 WinCharState *s;
2408
2409 chr = qemu_mallocz(sizeof(CharDriverState));
2410 if (!chr)
2411 return NULL;
2412 s = qemu_mallocz(sizeof(WinCharState));
2413 if (!s) {
2414 free(chr);
2415 return NULL;
2416 }
2417 s->hcom = fd_out;
2418 chr->opaque = s;
2419 chr->chr_write = win_chr_write;
2420 qemu_chr_reset(chr);
2421 return chr;
2422 }
2423
2424 static CharDriverState *qemu_chr_open_win_con(const char *filename)
2425 {
2426 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
2427 }
2428
2429 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2430 {
2431 HANDLE fd_out;
2432
2433 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2434 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2435 if (fd_out == INVALID_HANDLE_VALUE)
2436 return NULL;
2437
2438 return qemu_chr_open_win_file(fd_out);
2439 }
2440 #endif
2441
2442 /***********************************************************/
2443 /* UDP Net console */
2444
2445 typedef struct {
2446 int fd;
2447 struct sockaddr_in daddr;
2448 char buf[1024];
2449 int bufcnt;
2450 int bufptr;
2451 int max_size;
2452 } NetCharDriver;
2453
2454 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2455 {
2456 NetCharDriver *s = chr->opaque;
2457
2458 return sendto(s->fd, buf, len, 0,
2459 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
2460 }
2461
2462 static int udp_chr_read_poll(void *opaque)
2463 {
2464 CharDriverState *chr = opaque;
2465 NetCharDriver *s = chr->opaque;
2466
2467 s->max_size = qemu_chr_can_read(chr);
2468
2469 /* If there were any stray characters in the queue process them
2470 * first
2471 */
2472 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2473 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
2474 s->bufptr++;
2475 s->max_size = qemu_chr_can_read(chr);
2476 }
2477 return s->max_size;
2478 }
2479
2480 static void udp_chr_read(void *opaque)
2481 {
2482 CharDriverState *chr = opaque;
2483 NetCharDriver *s = chr->opaque;
2484
2485 if (s->max_size == 0)
2486 return;
2487 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
2488 s->bufptr = s->bufcnt;
2489 if (s->bufcnt <= 0)
2490 return;
2491
2492 s->bufptr = 0;
2493 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2494 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
2495 s->bufptr++;
2496 s->max_size = qemu_chr_can_read(chr);
2497 }
2498 }
2499
2500 static void udp_chr_update_read_handler(CharDriverState *chr)
2501 {
2502 NetCharDriver *s = chr->opaque;
2503
2504 if (s->fd >= 0) {
2505 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
2506 udp_chr_read, NULL, chr);
2507 }
2508 }
2509
2510 int parse_host_port(struct sockaddr_in *saddr, const char *str);
2511 #ifndef _WIN32
2512 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
2513 #endif
2514 int parse_host_src_port(struct sockaddr_in *haddr,
2515 struct sockaddr_in *saddr,
2516 const char *str);
2517
2518 static CharDriverState *qemu_chr_open_udp(const char *def)
2519 {
2520 CharDriverState *chr = NULL;
2521 NetCharDriver *s = NULL;
2522 int fd = -1;
2523 struct sockaddr_in saddr;
2524
2525 chr = qemu_mallocz(sizeof(CharDriverState));
2526 if (!chr)
2527 goto return_err;
2528 s = qemu_mallocz(sizeof(NetCharDriver));
2529 if (!s)
2530 goto return_err;
2531
2532 fd = socket(PF_INET, SOCK_DGRAM, 0);
2533 if (fd < 0) {
2534 perror("socket(PF_INET, SOCK_DGRAM)");
2535 goto return_err;
2536 }
2537
2538 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
2539 printf("Could not parse: %s\n", def);
2540 goto return_err;
2541 }
2542
2543 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
2544 {
2545 perror("bind");
2546 goto return_err;
2547 }
2548
2549 s->fd = fd;
2550 s->bufcnt = 0;
2551 s->bufptr = 0;
2552 chr->opaque = s;
2553 chr->chr_write = udp_chr_write;
2554 chr->chr_update_read_handler = udp_chr_update_read_handler;
2555 return chr;
2556
2557 return_err:
2558 if (chr)
2559 free(chr);
2560 if (s)
2561 free(s);
2562 if (fd >= 0)
2563 closesocket(fd);
2564 return NULL;
2565 }
2566
2567 /***********************************************************/
2568 /* TCP Net console */
2569
2570 typedef struct {
2571 int fd, listen_fd;
2572 int connected;
2573 int max_size;
2574 int do_telnetopt;
2575 int do_nodelay;
2576 int is_unix;
2577 } TCPCharDriver;
2578
2579 static void tcp_chr_accept(void *opaque);
2580
2581 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2582 {
2583 TCPCharDriver *s = chr->opaque;
2584 if (s->connected) {
2585 return send_all(s->fd, buf, len);
2586 } else {
2587 /* XXX: indicate an error ? */
2588 return len;
2589 }
2590 }
2591
2592 static int tcp_chr_read_poll(void *opaque)
2593 {
2594 CharDriverState *chr = opaque;
2595 TCPCharDriver *s = chr->opaque;
2596 if (!s->connected)
2597 return 0;
2598 s->max_size = qemu_chr_can_read(chr);
2599 return s->max_size;
2600 }
2601
2602 #define IAC 255
2603 #define IAC_BREAK 243
2604 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
2605 TCPCharDriver *s,
2606 char *buf, int *size)
2607 {
2608 /* Handle any telnet client's basic IAC options to satisfy char by
2609 * char mode with no echo. All IAC options will be removed from
2610 * the buf and the do_telnetopt variable will be used to track the
2611 * state of the width of the IAC information.
2612 *
2613 * IAC commands come in sets of 3 bytes with the exception of the
2614 * "IAC BREAK" command and the double IAC.
2615 */
2616
2617 int i;
2618 int j = 0;
2619
2620 for (i = 0; i < *size; i++) {
2621 if (s->do_telnetopt > 1) {
2622 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
2623 /* Double IAC means send an IAC */
2624 if (j != i)
2625 buf[j] = buf[i];
2626 j++;
2627 s->do_telnetopt = 1;
2628 } else {
2629 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
2630 /* Handle IAC break commands by sending a serial break */
2631 qemu_chr_event(chr, CHR_EVENT_BREAK);
2632 s->do_telnetopt++;
2633 }
2634 s->do_telnetopt++;
2635 }
2636 if (s->do_telnetopt >= 4) {
2637 s->do_telnetopt = 1;
2638 }
2639 } else {
2640 if ((unsigned char)buf[i] == IAC) {
2641 s->do_telnetopt = 2;
2642 } else {
2643 if (j != i)
2644 buf[j] = buf[i];
2645 j++;
2646 }
2647 }
2648 }
2649 *size = j;
2650 }
2651
2652 static void tcp_chr_read(void *opaque)
2653 {
2654 CharDriverState *chr = opaque;
2655 TCPCharDriver *s = chr->opaque;
2656 uint8_t buf[1024];
2657 int len, size;
2658
2659 if (!s->connected || s->max_size <= 0)
2660 return;
2661 len = sizeof(buf);
2662 if (len > s->max_size)
2663 len = s->max_size;
2664 size = recv(s->fd, buf, len, 0);
2665 if (size == 0) {
2666 /* connection closed */
2667 s->connected = 0;
2668 if (s->listen_fd >= 0) {
2669 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2670 }
2671 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2672 closesocket(s->fd);
2673 s->fd = -1;
2674 } else if (size > 0) {
2675 if (s->do_telnetopt)
2676 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2677 if (size > 0)
2678 qemu_chr_read(chr, buf, size);
2679 }
2680 }
2681
2682 static void tcp_chr_connect(void *opaque)
2683 {
2684 CharDriverState *chr = opaque;
2685 TCPCharDriver *s = chr->opaque;
2686
2687 s->connected = 1;
2688 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2689 tcp_chr_read, NULL, chr);
2690 qemu_chr_reset(chr);
2691 }
2692
2693 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2694 static void tcp_chr_telnet_init(int fd)
2695 {
2696 char buf[3];
2697 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2698 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2699 send(fd, (char *)buf, 3, 0);
2700 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2701 send(fd, (char *)buf, 3, 0);
2702 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2703 send(fd, (char *)buf, 3, 0);
2704 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2705 send(fd, (char *)buf, 3, 0);
2706 }
2707
2708 static void socket_set_nodelay(int fd)
2709 {
2710 int val = 1;
2711 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
2712 }
2713
2714 static void tcp_chr_accept(void *opaque)
2715 {
2716 CharDriverState *chr = opaque;
2717 TCPCharDriver *s = chr->opaque;
2718 struct sockaddr_in saddr;
2719 #ifndef _WIN32
2720 struct sockaddr_un uaddr;
2721 #endif
2722 struct sockaddr *addr;
2723 socklen_t len;
2724 int fd;
2725
2726 for(;;) {
2727 #ifndef _WIN32
2728 if (s->is_unix) {
2729 len = sizeof(uaddr);
2730 addr = (struct sockaddr *)&uaddr;
2731 } else
2732 #endif
2733 {
2734 len = sizeof(saddr);
2735 addr = (struct sockaddr *)&saddr;
2736 }
2737 fd = accept(s->listen_fd, addr, &len);
2738 if (fd < 0 && errno != EINTR) {
2739 return;
2740 } else if (fd >= 0) {
2741 if (s->do_telnetopt)
2742 tcp_chr_telnet_init(fd);
2743 break;
2744 }
2745 }
2746 socket_set_nonblock(fd);
2747 if (s->do_nodelay)
2748 socket_set_nodelay(fd);
2749 s->fd = fd;
2750 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2751 tcp_chr_connect(chr);
2752 }
2753
2754 static void tcp_chr_close(CharDriverState *chr)
2755 {
2756 TCPCharDriver *s = chr->opaque;
2757 if (s->fd >= 0)
2758 closesocket(s->fd);
2759 if (s->listen_fd >= 0)
2760 closesocket(s->listen_fd);
2761 qemu_free(s);
2762 }
2763
2764 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2765 int is_telnet,
2766 int is_unix)
2767 {
2768 CharDriverState *chr = NULL;
2769 TCPCharDriver *s = NULL;
2770 int fd = -1, ret, err, val;
2771 int is_listen = 0;
2772 int is_waitconnect = 1;
2773 int do_nodelay = 0;
2774 const char *ptr;
2775 struct sockaddr_in saddr;
2776 #ifndef _WIN32
2777 struct sockaddr_un uaddr;
2778 #endif
2779 struct sockaddr *addr;
2780 socklen_t addrlen;
2781
2782 #ifndef _WIN32
2783 if (is_unix) {
2784 addr = (struct sockaddr *)&uaddr;
2785 addrlen = sizeof(uaddr);
2786 if (parse_unix_path(&uaddr, host_str) < 0)
2787 goto fail;
2788 } else
2789 #endif
2790 {
2791 addr = (struct sockaddr *)&saddr;
2792 addrlen = sizeof(saddr);
2793 if (parse_host_port(&saddr, host_str) < 0)
2794 goto fail;
2795 }
2796
2797 ptr = host_str;
2798 while((ptr = strchr(ptr,','))) {
2799 ptr++;
2800 if (!strncmp(ptr,"server",6)) {
2801 is_listen = 1;
2802 } else if (!strncmp(ptr,"nowait",6)) {
2803 is_waitconnect = 0;
2804 } else if (!strncmp(ptr,"nodelay",6)) {
2805 do_nodelay = 1;
2806 } else {
2807 printf("Unknown option: %s\n", ptr);
2808 goto fail;
2809 }
2810 }
2811 if (!is_listen)
2812 is_waitconnect = 0;
2813
2814 chr = qemu_mallocz(sizeof(CharDriverState));
2815 if (!chr)
2816 goto fail;
2817 s = qemu_mallocz(sizeof(TCPCharDriver));
2818 if (!s)
2819 goto fail;
2820
2821 #ifndef _WIN32
2822 if (is_unix)
2823 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2824 else
2825 #endif
2826 fd = socket(PF_INET, SOCK_STREAM, 0);
2827
2828 if (fd < 0)
2829 goto fail;
2830
2831 if (!is_waitconnect)
2832 socket_set_nonblock(fd);
2833
2834 s->connected = 0;
2835 s->fd = -1;
2836 s->listen_fd = -1;
2837 s->is_unix = is_unix;
2838 s->do_nodelay = do_nodelay && !is_unix;
2839
2840 chr->opaque = s;
2841 chr->chr_write = tcp_chr_write;
2842 chr->chr_close = tcp_chr_close;
2843
2844 if (is_listen) {
2845 /* allow fast reuse */
2846 #ifndef _WIN32
2847 if (is_unix) {
2848 char path[109];
2849 strncpy(path, uaddr.sun_path, 108);
2850 path[108] = 0;
2851 unlink(path);
2852 } else
2853 #endif
2854 {
2855 val = 1;
2856 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2857 }
2858
2859 ret = bind(fd, addr, addrlen);
2860 if (ret < 0)
2861 goto fail;
2862
2863 ret = listen(fd, 0);
2864 if (ret < 0)
2865 goto fail;
2866
2867 s->listen_fd = fd;
2868 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2869 if (is_telnet)
2870 s->do_telnetopt = 1;
2871 } else {
2872 for(;;) {
2873 ret = connect(fd, addr, addrlen);
2874 if (ret < 0) {
2875 err = socket_error();
2876 if (err == EINTR || err == EWOULDBLOCK) {
2877 } else if (err == EINPROGRESS) {
2878 break;
2879 #ifdef _WIN32
2880 } else if (err == WSAEALREADY) {
2881 break;
2882 #endif
2883 } else {
2884 goto fail;
2885 }
2886 } else {
2887 s->connected = 1;
2888 break;
2889 }
2890 }
2891 s->fd = fd;
2892 socket_set_nodelay(fd);
2893 if (s->connected)
2894 tcp_chr_connect(chr);
2895 else
2896 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2897 }
2898
2899 if (is_listen && is_waitconnect) {
2900 printf("QEMU waiting for connection on: %s\n", host_str);
2901 tcp_chr_accept(chr);
2902 socket_set_nonblock(s->listen_fd);
2903 }
2904
2905 return chr;
2906 fail:
2907 if (fd >= 0)
2908 closesocket(fd);
2909 qemu_free(s);
2910 qemu_free(chr);
2911 return NULL;
2912 }
2913
2914 CharDriverState *qemu_chr_open(const char *filename)
2915 {
2916 const char *p;
2917
2918 if (!strcmp(filename, "vc")) {
2919 return text_console_init(&display_state);
2920 } else if (!strcmp(filename, "null")) {
2921 return qemu_chr_open_null();
2922 } else
2923 if (strstart(filename, "tcp:", &p)) {
2924 return qemu_chr_open_tcp(p, 0, 0);
2925 } else
2926 if (strstart(filename, "telnet:", &p)) {
2927 return qemu_chr_open_tcp(p, 1, 0);
2928 } else
2929 if (strstart(filename, "udp:", &p)) {
2930 return qemu_chr_open_udp(p);
2931 } else
2932 if (strstart(filename, "mon:", &p)) {
2933 CharDriverState *drv = qemu_chr_open(p);
2934 if (drv) {
2935 drv = qemu_chr_open_mux(drv);
2936 monitor_init(drv, !nographic);
2937 return drv;
2938 }
2939 printf("Unable to open driver: %s\n", p);
2940 return 0;
2941 } else
2942 #ifndef _WIN32
2943 if (strstart(filename, "unix:", &p)) {
2944 return qemu_chr_open_tcp(p, 0, 1);
2945 } else if (strstart(filename, "file:", &p)) {
2946 return qemu_chr_open_file_out(p);
2947 } else if (strstart(filename, "pipe:", &p)) {
2948 return qemu_chr_open_pipe(p);
2949 } else if (!strcmp(filename, "pty")) {
2950 return qemu_chr_open_pty();
2951 } else if (!strcmp(filename, "stdio")) {
2952 return qemu_chr_open_stdio();
2953 } else
2954 #endif
2955 #if defined(__linux__)
2956 if (strstart(filename, "/dev/parport", NULL)) {
2957 return qemu_chr_open_pp(filename);
2958 } else
2959 if (strstart(filename, "/dev/", NULL)) {
2960 return qemu_chr_open_tty(filename);
2961 } else
2962 #endif
2963 #ifdef _WIN32
2964 if (strstart(filename, "COM", NULL)) {
2965 return qemu_chr_open_win(filename);
2966 } else
2967 if (strstart(filename, "pipe:", &p)) {
2968 return qemu_chr_open_win_pipe(p);
2969 } else
2970 if (strstart(filename, "con:", NULL)) {
2971 return qemu_chr_open_win_con(filename);
2972 } else
2973 if (strstart(filename, "file:", &p)) {
2974 return qemu_chr_open_win_file_out(p);
2975 }
2976 #endif
2977 {
2978 return NULL;
2979 }
2980 }
2981
2982 void qemu_chr_close(CharDriverState *chr)
2983 {
2984 if (chr->chr_close)
2985 chr->chr_close(chr);
2986 }
2987
2988 /***********************************************************/
2989 /* network device redirectors */
2990
2991 void hex_dump(FILE *f, const uint8_t *buf, int size)
2992 {
2993 int len, i, j, c;
2994
2995 for(i=0;i<size;i+=16) {
2996 len = size - i;
2997 if (len > 16)
2998 len = 16;
2999 fprintf(f, "%08x ", i);
3000 for(j=0;j<16;j++) {
3001 if (j < len)
3002 fprintf(f, " %02x", buf[i+j]);
3003 else
3004 fprintf(f, " ");
3005 }
3006 fprintf(f, " ");
3007 for(j=0;j<len;j++) {
3008 c = buf[i+j];
3009 if (c < ' ' || c > '~')
3010 c = '.';
3011 fprintf(f, "%c", c);
3012 }
3013 fprintf(f, "\n");
3014 }
3015 }
3016
3017 static int parse_macaddr(uint8_t *macaddr, const char *p)
3018 {
3019 int i;
3020 for(i = 0; i < 6; i++) {
3021 macaddr[i] = strtol(p, (char **)&p, 16);
3022 if (i == 5) {
3023 if (*p != '\0')
3024 return -1;
3025 } else {
3026 if (*p != ':')
3027 return -1;
3028 p++;
3029 }
3030 }
3031 return 0;
3032 }
3033
3034 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
3035 {
3036 const char *p, *p1;
3037 int len;
3038 p = *pp;
3039 p1 = strchr(p, sep);
3040 if (!p1)
3041 return -1;
3042 len = p1 - p;
3043 p1++;
3044 if (buf_size > 0) {
3045 if (len > buf_size - 1)
3046 len = buf_size - 1;
3047 memcpy(buf, p, len);
3048 buf[len] = '\0';
3049 }
3050 *pp = p1;
3051 return 0;
3052 }
3053
3054 int parse_host_src_port(struct sockaddr_in *haddr,
3055 struct sockaddr_in *saddr,
3056 const char *input_str)
3057 {
3058 char *str = strdup(input_str);
3059 char *host_str = str;
3060 char *src_str;
3061 char *ptr;
3062
3063 /*
3064 * Chop off any extra arguments at the end of the string which
3065 * would start with a comma, then fill in the src port information
3066 * if it was provided else use the "any address" and "any port".
3067 */
3068 if ((ptr = strchr(str,',')))
3069 *ptr = '\0';
3070
3071 if ((src_str = strchr(input_str,'@'))) {
3072 *src_str = '\0';
3073 src_str++;
3074 }
3075
3076 if (parse_host_port(haddr, host_str) < 0)
3077 goto fail;
3078
3079 if (!src_str || *src_str == '\0')
3080 src_str = ":0";
3081
3082 if (parse_host_port(saddr, src_str) < 0)
3083 goto fail;
3084
3085 free(str);
3086 return(0);
3087
3088 fail:
3089 free(str);
3090 return -1;
3091 }
3092
3093 int parse_host_port(struct sockaddr_in *saddr, const char *str)
3094 {
3095 char buf[512];
3096 struct hostent *he;
3097 const char *p, *r;
3098 int port;
3099
3100 p = str;
3101 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3102 return -1;
3103 saddr->sin_family = AF_INET;
3104 if (buf[0] == '\0') {
3105 saddr->sin_addr.s_addr = 0;
3106 } else {
3107 if (isdigit(buf[0])) {
3108 if (!inet_aton(buf, &saddr->sin_addr))
3109 return -1;
3110 } else {
3111 if ((he = gethostbyname(buf)) == NULL)
3112 return - 1;
3113 saddr->sin_addr = *(struct in_addr *)he->h_addr;
3114 }
3115 }
3116 port = strtol(p, (char **)&r, 0);
3117 if (r == p)
3118 return -1;
3119 saddr->sin_port = htons(port);
3120 return 0;
3121 }
3122
3123 #ifndef _WIN32
3124 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
3125 {
3126 const char *p;
3127 int len;
3128
3129 len = MIN(108, strlen(str));
3130 p = strchr(str, ',');
3131 if (p)
3132 len = MIN(len, p - str);
3133
3134 memset(uaddr, 0, sizeof(*uaddr));
3135
3136 uaddr->sun_family = AF_UNIX;
3137 memcpy(uaddr->sun_path, str, len);
3138
3139 return 0;
3140 }
3141 #endif
3142
3143 /* find or alloc a new VLAN */
3144 VLANState *qemu_find_vlan(int id)
3145 {
3146 VLANState **pvlan, *vlan;
3147 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3148 if (vlan->id == id)
3149 return vlan;
3150 }
3151 vlan = qemu_mallocz(sizeof(VLANState));
3152 if (!vlan)
3153 return NULL;
3154 vlan->id = id;
3155 vlan->next = NULL;
3156 pvlan = &first_vlan;
3157 while (*pvlan != NULL)
3158 pvlan = &(*pvlan)->next;
3159 *pvlan = vlan;
3160 return vlan;
3161 }
3162
3163 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
3164 IOReadHandler *fd_read,
3165 IOCanRWHandler *fd_can_read,
3166 void *opaque)
3167 {
3168 VLANClientState *vc, **pvc;
3169 vc = qemu_mallocz(sizeof(VLANClientState));
3170 if (!vc)
3171 return NULL;
3172 vc->fd_read = fd_read;
3173 vc->fd_can_read = fd_can_read;
3174 vc->opaque = opaque;
3175 vc->vlan = vlan;
3176
3177 vc->next = NULL;
3178 pvc = &vlan->first_client;
3179 while (*pvc != NULL)
3180 pvc = &(*pvc)->next;
3181 *pvc = vc;
3182 return vc;
3183 }
3184
3185 int qemu_can_send_packet(VLANClientState *vc1)
3186 {
3187 VLANState *vlan = vc1->vlan;
3188 VLANClientState *vc;
3189
3190 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3191 if (vc != vc1) {
3192 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
3193 return 0;
3194 }
3195 }
3196 return 1;
3197 }
3198
3199 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
3200 {
3201 VLANState *vlan = vc1->vlan;
3202 VLANClientState *vc;
3203
3204 #if 0
3205 printf("vlan %d send:\n", vlan->id);
3206 hex_dump(stdout, buf, size);
3207 #endif
3208 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3209 if (vc != vc1) {
3210 vc->fd_read(vc->opaque, buf, size);
3211 }
3212 }
3213 }
3214
3215 #if defined(CONFIG_SLIRP)
3216
3217 /* slirp network adapter */
3218
3219 static int slirp_inited;
3220 static VLANClientState *slirp_vc;
3221
3222 int slirp_can_output(void)
3223 {
3224 return !slirp_vc || qemu_can_send_packet(slirp_vc);
3225 }
3226
3227 void slirp_output(const uint8_t *pkt, int pkt_len)
3228 {
3229 #if 0
3230 printf("slirp output:\n");
3231 hex_dump(stdout, pkt, pkt_len);
3232 #endif
3233 if (!slirp_vc)
3234 return;
3235 qemu_send_packet(slirp_vc, pkt, pkt_len);
3236 }
3237
3238 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
3239 {
3240 #if 0
3241 printf("slirp input:\n");
3242 hex_dump(stdout, buf, size);
3243 #endif
3244 slirp_input(buf, size);
3245 }
3246
3247 static int net_slirp_init(VLANState *vlan)
3248 {
3249 if (!slirp_inited) {
3250 slirp_inited = 1;
3251 slirp_init();
3252 }
3253 slirp_vc = qemu_new_vlan_client(vlan,
3254 slirp_receive, NULL, NULL);
3255 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
3256 return 0;
3257 }
3258
3259 static void net_slirp_redir(const char *redir_str)
3260 {
3261 int is_udp;
3262 char buf[256], *r;
3263 const char *p;
3264 struct in_addr guest_addr;
3265 int host_port, guest_port;
3266
3267 if (!slirp_inited) {
3268 slirp_inited = 1;
3269 slirp_init();
3270 }
3271
3272 p = redir_str;
3273 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3274 goto fail;
3275 if (!strcmp(buf, "tcp")) {
3276 is_udp = 0;
3277 } else if (!strcmp(buf, "udp")) {
3278 is_udp = 1;
3279 } else {
3280 goto fail;
3281 }
3282
3283 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3284 goto fail;
3285 host_port = strtol(buf, &r, 0);
3286 if (r == buf)
3287 goto fail;
3288
3289 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3290 goto fail;
3291 if (buf[0] == '\0') {
3292 pstrcpy(buf, sizeof(buf), "10.0.2.15");
3293 }
3294 if (!inet_aton(buf, &guest_addr))
3295 goto fail;
3296
3297 guest_port = strtol(p, &r, 0);
3298 if (r == p)
3299 goto fail;
3300
3301 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
3302 fprintf(stderr, "qemu: could not set up redirection\n");
3303 exit(1);
3304 }
3305 return;
3306 fail:
3307 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3308 exit(1);
3309 }
3310
3311 #ifndef _WIN32
3312
3313 char smb_dir[1024];
3314
3315 static void smb_exit(void)
3316 {
3317 DIR *d;
3318 struct dirent *de;
3319 char filename[1024];
3320
3321 /* erase all the files in the directory */
3322 d = opendir(smb_dir);
3323 for(;;) {
3324 de = readdir(d);
3325 if (!de)
3326 break;
3327 if (strcmp(de->d_name, ".") != 0 &&
3328 strcmp(de->d_name, "..") != 0) {
3329 snprintf(filename, sizeof(filename), "%s/%s",
3330 smb_dir, de->d_name);
3331 unlink(filename);
3332 }
3333 }
3334 closedir(d);
3335 rmdir(smb_dir);
3336 }
3337
3338 /* automatic user mode samba server configuration */
3339 void net_slirp_smb(const char *exported_dir)
3340 {
3341 char smb_conf[1024];
3342 char smb_cmdline[1024];
3343 FILE *f;
3344
3345 if (!slirp_inited) {
3346 slirp_inited = 1;
3347 slirp_init();
3348 }
3349
3350 /* XXX: better tmp dir construction */
3351 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3352 if (mkdir(smb_dir, 0700) < 0) {
3353 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3354 exit(1);
3355 }
3356 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3357
3358 f = fopen(smb_conf, "w");
3359 if (!f) {
3360 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3361 exit(1);
3362 }
3363 fprintf(f,
3364 "[global]\n"
3365 "private dir=%s\n"
3366 "smb ports=0\n"
3367 "socket address=127.0.0.1\n"
3368 "pid directory=%s\n"
3369 "lock directory=%s\n"
3370 "log file=%s/log.smbd\n"
3371 "smb passwd file=%s/smbpasswd\n"
3372 "security = share\n"
3373 "[qemu]\n"
3374 "path=%s\n"
3375 "read only=no\n"
3376 "guest ok=yes\n",
3377 smb_dir,
3378 smb_dir,
3379 smb_dir,
3380 smb_dir,
3381 smb_dir,
3382 exported_dir
3383 );
3384 fclose(f);
3385 atexit(smb_exit);
3386
3387 snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
3388 SMBD_COMMAND, smb_conf);
3389
3390 slirp_add_exec(0, smb_cmdline, 4, 139);
3391 }
3392
3393 #endif /* !defined(_WIN32) */
3394
3395 #endif /* CONFIG_SLIRP */
3396
3397 #if !defined(_WIN32)
3398
3399 typedef struct TAPState {
3400 VLANClientState *vc;
3401 int fd;
3402 } TAPState;
3403
3404 static void tap_receive(void *opaque, const uint8_t *buf, int size)
3405 {
3406 TAPState *s = opaque;
3407 int ret;
3408 for(;;) {
3409 ret = write(s->fd, buf, size);
3410 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3411 } else {
3412 break;
3413 }
3414 }
3415 }
3416
3417 static void tap_send(void *opaque)
3418 {
3419 TAPState *s = opaque;
3420 uint8_t buf[4096];
3421 int size;
3422
3423 #ifdef __sun__
3424 struct strbuf sbuf;
3425 int f = 0;
3426 sbuf.maxlen = sizeof(buf);
3427 sbuf.buf = buf;
3428 size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
3429 #else
3430 size = read(s->fd, buf, sizeof(buf));
3431 #endif
3432 if (size > 0) {
3433 qemu_send_packet(s->vc, buf, size);
3434 }
3435 }
3436
3437 /* fd support */
3438
3439 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
3440 {
3441 TAPState *s;
3442
3443 s = qemu_mallocz(sizeof(TAPState));
3444 if (!s)
3445 return NULL;
3446 s->fd = fd;
3447 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
3448 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
3449 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
3450 return s;
3451 }
3452
3453 #ifdef _BSD
3454 static int tap_open(char *ifname, int ifname_size)
3455 {
3456 int fd;
3457 char *dev;
3458 struct stat s;
3459
3460 fd = open("/dev/tap", O_RDWR);
3461 if (fd < 0) {
3462 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
3463 return -1;
3464 }
3465
3466 fstat(fd, &s);
3467 dev = devname(s.st_rdev, S_IFCHR);
3468 pstrcpy(ifname, ifname_size, dev);
3469
3470 fcntl(fd, F_SETFL, O_NONBLOCK);
3471 return fd;
3472 }
3473 #elif defined(__sun__)
3474 #define TUNNEWPPA (('T'<<16) | 0x0001)
3475 /*
3476 * Allocate TAP device, returns opened fd.
3477 * Stores dev name in the first arg(must be large enough).
3478 */
3479 int tap_alloc(char *dev)
3480 {
3481 int tap_fd, if_fd, ppa = -1;
3482 static int ip_fd = 0;
3483 char *ptr;
3484
3485 static int arp_fd = 0;
3486 int ip_muxid, arp_muxid;
3487 struct strioctl strioc_if, strioc_ppa;
3488 int link_type = I_PLINK;;
3489 struct lifreq ifr;
3490 char actual_name[32] = "";
3491
3492 memset(&ifr, 0x0, sizeof(ifr));
3493
3494 if( *dev ){
3495 ptr = dev;
3496 while( *ptr && !isdigit((int)*ptr) ) ptr++;
3497 ppa = atoi(ptr);
3498 }
3499
3500 /* Check if IP device was opened */
3501 if( ip_fd )
3502 close(ip_fd);
3503
3504 if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){
3505 syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
3506 return -1;
3507 }
3508
3509 if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){
3510 syslog(LOG_ERR, "Can't open /dev/tap");
3511 return -1;
3512 }
3513
3514 /* Assign a new PPA and get its unit number. */
3515 strioc_ppa.ic_cmd = TUNNEWPPA;
3516 strioc_ppa.ic_timout = 0;
3517 strioc_ppa.ic_len = sizeof(ppa);
3518 strioc_ppa.ic_dp = (char *)&ppa;
3519 if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
3520 syslog (LOG_ERR, "Can't assign new interface");
3521
3522 if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){
3523 syslog(LOG_ERR, "Can't open /dev/tap (2)");
3524 return -1;
3525 }
3526 if(ioctl(if_fd, I_PUSH, "ip") < 0){
3527 syslog(LOG_ERR, "Can't push IP module");
3528 return -1;
3529 }
3530
3531 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
3532 syslog(LOG_ERR, "Can't get flags\n");
3533
3534 snprintf (actual_name, 32, "tap%d", ppa);
3535 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
3536
3537 ifr.lifr_ppa = ppa;
3538 /* Assign ppa according to the unit number returned by tun device */
3539
3540 if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
3541 syslog (LOG_ERR, "Can't set PPA %d", ppa);
3542 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
3543 syslog (LOG_ERR, "Can't get flags\n");
3544 /* Push arp module to if_fd */
3545 if (ioctl (if_fd, I_PUSH, "arp") < 0)
3546 syslog (LOG_ERR, "Can't push ARP module (2)");
3547
3548 /* Push arp module to ip_fd */
3549 if (ioctl (ip_fd, I_POP, NULL) < 0)
3550 syslog (LOG_ERR, "I_POP failed\n");
3551 if (ioctl (ip_fd, I_PUSH, "arp") < 0)
3552 syslog (LOG_ERR, "Can't push ARP module (3)\n");
3553 /* Open arp_fd */
3554 if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0)
3555 syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
3556
3557 /* Set ifname to arp */
3558 strioc_if.ic_cmd = SIOCSLIFNAME;
3559 strioc_if.ic_timout = 0;
3560 strioc_if.ic_len = sizeof(ifr);
3561 strioc_if.ic_dp = (char *)&ifr;
3562 if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
3563 syslog (LOG_ERR, "Can't set ifname to arp\n");
3564 }
3565
3566 if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
3567 syslog(LOG_ERR, "Can't link TAP device to IP");
3568 return -1;
3569 }
3570
3571 if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
3572 syslog (LOG_ERR, "Can't link TAP device to ARP");
3573
3574 close (if_fd);
3575
3576 memset(&ifr, 0x0, sizeof(ifr));
3577 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
3578 ifr.lifr_ip_muxid = ip_muxid;
3579 ifr.lifr_arp_muxid = arp_muxid;
3580
3581 if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
3582 {
3583 ioctl (ip_fd, I_PUNLINK , arp_muxid);
3584 ioctl (ip_fd, I_PUNLINK, ip_muxid);
3585 syslog (LOG_ERR, "Can't set multiplexor id");
3586 }
3587
3588 sprintf(dev, "tap%d", ppa);
3589 return tap_fd;
3590 }
3591
3592 static int tap_open(char *ifname, int ifname_size)
3593 {
3594 char dev[10]="";
3595 int fd;
3596 if( (fd = tap_alloc(dev)) < 0 ){
3597 fprintf(stderr, "Cannot allocate TAP device\n");
3598 return -1;
3599 }
3600 pstrcpy(ifname, ifname_size, dev);
3601 fcntl(fd, F_SETFL, O_NONBLOCK);
3602 return fd;
3603 }
3604 #else
3605 static int tap_open(char *ifname, int ifname_size)
3606 {
3607 struct ifreq ifr;
3608 int fd, ret;
3609
3610 fd = open("/dev/net/tun", O_RDWR);
3611 if (fd < 0) {
3612 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
3613 return -1;
3614 }
3615 memset(&ifr, 0, sizeof(ifr));
3616 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
3617 if (ifname[0] != '\0')
3618 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
3619 else
3620 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
3621 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
3622 if (ret != 0) {
3623 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
3624 close(fd);
3625 return -1;
3626 }
3627 pstrcpy(ifname, ifname_size, ifr.ifr_name);
3628 fcntl(fd, F_SETFL, O_NONBLOCK);
3629 return fd;
3630 }
3631 #endif
3632
3633 static int net_tap_init(VLANState *vlan, const char *ifname1,
3634 const char *setup_script)
3635 {
3636 TAPState *s;
3637 int pid, status, fd;
3638 char *args[3];
3639 char **parg;
3640 char ifname[128];
3641
3642 if (ifname1 != NULL)
3643 pstrcpy(ifname, sizeof(ifname), ifname1);
3644 else
3645 ifname[0] = '\0';
3646 fd = tap_open(ifname, sizeof(ifname));
3647 if (fd < 0)
3648 return -1;
3649
3650 if (!setup_script || !strcmp(setup_script, "no"))
3651 setup_script = "";
3652 if (setup_script[0] != '\0') {
3653 /* try to launch network init script */
3654 pid = fork();
3655 if (pid >= 0) {
3656 if (pid == 0) {
3657 int open_max = sysconf (_SC_OPEN_MAX), i;
3658 for (i = 0; i < open_max; i++)
3659 if (i != STDIN_FILENO &&
3660 i != STDOUT_FILENO &&
3661 i != STDERR_FILENO &&
3662 i != fd)
3663 close(i);
3664
3665 parg = args;
3666 *parg++ = (char *)setup_script;
3667 *parg++ = ifname;
3668 *parg++ = NULL;
3669 execv(setup_script, args);
3670 _exit(1);
3671 }
3672 while (waitpid(pid, &status, 0) != pid);
3673 if (!WIFEXITED(status) ||
3674 WEXITSTATUS(status) != 0) {
3675 fprintf(stderr, "%s: could not launch network script\n",
3676 setup_script);
3677 return -1;
3678 }
3679 }
3680 }
3681 s = net_tap_fd_init(vlan, fd);
3682 if (!s)
3683 return -1;
3684 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3685 "tap: ifname=%s setup_script=%s", ifname, setup_script);
3686 return 0;
3687 }
3688
3689 #endif /* !_WIN32 */
3690
3691 /* network connection */
3692 typedef struct NetSocketState {
3693 VLANClientState *vc;
3694 int fd;
3695 int state; /* 0 = getting length, 1 = getting data */
3696 int index;
3697 int packet_len;
3698 uint8_t buf[4096];
3699 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
3700 } NetSocketState;
3701
3702 typedef struct NetSocketListenState {
3703 VLANState *vlan;
3704 int fd;
3705 } NetSocketListenState;
3706
3707 /* XXX: we consider we can send the whole packet without blocking */
3708 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
3709 {
3710 NetSocketState *s = opaque;
3711 uint32_t len;
3712 len = htonl(size);
3713
3714 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
3715 send_all(s->fd, buf, size);
3716 }
3717
3718 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
3719 {
3720 NetSocketState *s = opaque;
3721 sendto(s->fd, buf, size, 0,
3722 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
3723 }
3724
3725 static void net_socket_send(void *opaque)
3726 {
3727 NetSocketState *s = opaque;
3728 int l, size, err;
3729 uint8_t buf1[4096];
3730 const uint8_t *buf;
3731
3732 size = recv(s->fd, buf1, sizeof(buf1), 0);
3733 if (size < 0) {
3734 err = socket_error();
3735 if (err != EWOULDBLOCK)
3736 goto eoc;
3737 } else if (size == 0) {
3738 /* end of connection */
3739 eoc:
3740 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3741 closesocket(s->fd);
3742 return;
3743 }
3744 buf = buf1;
3745 while (size > 0) {
3746 /* reassemble a packet from the network */
3747 switch(s->state) {
3748 case 0:
3749 l = 4 - s->index;
3750 if (l > size)
3751 l = size;
3752 memcpy(s->buf + s->index, buf, l);
3753 buf += l;
3754 size -= l;
3755 s->index += l;
3756 if (s->index == 4) {
3757 /* got length */
3758 s->packet_len = ntohl(*(uint32_t *)s->buf);
3759 s->index = 0;
3760 s->state = 1;
3761 }
3762 break;
3763 case 1:
3764 l = s->packet_len - s->index;
3765 if (l > size)
3766 l = size;
3767 memcpy(s->buf + s->index, buf, l);
3768 s->index += l;
3769 buf += l;
3770 size -= l;
3771 if (s->index >= s->packet_len) {
3772 qemu_send_packet(s->vc, s->buf, s->packet_len);
3773 s->index = 0;
3774 s->state = 0;
3775 }
3776 break;
3777 }
3778 }
3779 }
3780
3781 static void net_socket_send_dgram(void *opaque)
3782 {
3783 NetSocketState *s = opaque;
3784 int size;
3785
3786 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
3787 if (size < 0)
3788 return;
3789 if (size == 0) {
3790 /* end of connection */
3791 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3792 return;
3793 }
3794 qemu_send_packet(s->vc, s->buf, size);
3795 }
3796
3797 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
3798 {
3799 struct ip_mreq imr;
3800 int fd;
3801 int val, ret;
3802 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
3803 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
3804 inet_ntoa(mcastaddr->sin_addr),
3805 (int)ntohl(mcastaddr->sin_addr.s_addr));
3806 return -1;
3807
3808 }
3809 fd = socket(PF_INET, SOCK_DGRAM, 0);
3810 if (fd < 0) {
3811 perror("socket(PF_INET, SOCK_DGRAM)");
3812 return -1;
3813 }
3814
3815 val = 1;
3816 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
3817 (const char *)&val, sizeof(val));
3818 if (ret < 0) {
3819 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
3820 goto fail;
3821 }
3822
3823 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
3824 if (ret < 0) {
3825 perror("bind");
3826 goto fail;
3827 }
3828
3829 /* Add host to multicast group */
3830 imr.imr_multiaddr = mcastaddr->sin_addr;
3831 imr.imr_interface.s_addr = htonl(INADDR_ANY);
3832
3833 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
3834 (const char *)&imr, sizeof(struct ip_mreq));
3835 if (ret < 0) {
3836 perror("setsockopt(IP_ADD_MEMBERSHIP)");
3837 goto fail;
3838 }
3839
3840 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
3841 val = 1;
3842 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
3843 (const char *)&val, sizeof(val));
3844 if (ret < 0) {
3845 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
3846 goto fail;
3847 }
3848
3849 socket_set_nonblock(fd);
3850 return fd;
3851 fail:
3852 if (fd >= 0)
3853 closesocket(fd);
3854 return -1;
3855 }
3856
3857 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
3858 int is_connected)
3859 {
3860 struct sockaddr_in saddr;
3861 int newfd;
3862 socklen_t saddr_len;
3863 NetSocketState *s;
3864
3865 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
3866 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
3867 * by ONLY ONE process: we must "clone" this dgram socket --jjo
3868 */
3869
3870 if (is_connected) {
3871 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
3872 /* must be bound */
3873 if (saddr.sin_addr.s_addr==0) {
3874 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
3875 fd);
3876 return NULL;
3877 }
3878 /* clone dgram socket */
3879 newfd = net_socket_mcast_create(&saddr);
3880 if (newfd < 0) {
3881 /* error already reported by net_socket_mcast_create() */
3882 close(fd);
3883 return NULL;
3884 }
3885 /* clone newfd to fd, close newfd */
3886 dup2(newfd, fd);
3887 close(newfd);
3888
3889 } else {
3890 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
3891 fd, strerror(errno));
3892 return NULL;
3893 }
3894 }
3895
3896 s = qemu_mallocz(sizeof(NetSocketState));
3897 if (!s)
3898 return NULL;
3899 s->fd = fd;
3900
3901 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
3902 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
3903
3904 /* mcast: save bound address as dst */
3905 if (is_connected) s->dgram_dst=saddr;
3906
3907 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3908 "socket: fd=%d (%s mcast=%s:%d)",
3909 fd, is_connected? "cloned" : "",
3910 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3911 return s;
3912 }
3913
3914 static void net_socket_connect(void *opaque)
3915 {
3916 NetSocketState *s = opaque;
3917 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
3918 }
3919
3920 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
3921 int is_connected)
3922 {
3923 NetSocketState *s;
3924 s = qemu_mallocz(sizeof(NetSocketState));
3925 if (!s)
3926 return NULL;
3927 s->fd = fd;
3928 s->vc = qemu_new_vlan_client(vlan,
3929 net_socket_receive, NULL, s);
3930 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3931 "socket: fd=%d", fd);
3932 if (is_connected) {
3933 net_socket_connect(s);
3934 } else {
3935 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
3936 }
3937 return s;
3938 }
3939
3940 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
3941 int is_connected)
3942 {
3943 int so_type=-1, optlen=sizeof(so_type);
3944
3945 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
3946 fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
3947 return NULL;
3948 }
3949 switch(so_type) {
3950 case SOCK_DGRAM:
3951 return net_socket_fd_init_dgram(vlan, fd, is_connected);
3952 case SOCK_STREAM:
3953 return net_socket_fd_init_stream(vlan, fd, is_connected);
3954 default:
3955 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
3956 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
3957 return net_socket_fd_init_stream(vlan, fd, is_connected);
3958 }
3959 return NULL;
3960 }
3961
3962 static void net_socket_accept(void *opaque)
3963 {
3964 NetSocketListenState *s = opaque;
3965 NetSocketState *s1;
3966 struct sockaddr_in saddr;
3967 socklen_t len;
3968 int fd;
3969
3970 for(;;) {
3971 len = sizeof(saddr);
3972 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
3973 if (fd < 0 && errno != EINTR) {
3974 return;
3975 } else if (fd >= 0) {
3976 break;
3977 }
3978 }
3979 s1 = net_socket_fd_init(s->vlan, fd, 1);
3980 if (!s1) {
3981 closesocket(fd);
3982 } else {
3983 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
3984 "socket: connection from %s:%d",
3985 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3986 }
3987 }
3988
3989 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
3990 {
3991 NetSocketListenState *s;
3992 int fd, val, ret;
3993 struct sockaddr_in saddr;
3994
3995 if (parse_host_port(&saddr, host_str) < 0)
3996 return -1;
3997
3998 s = qemu_mallocz(sizeof(NetSocketListenState));
3999 if (!s)
4000 return -1;
4001
4002 fd = socket(PF_INET, SOCK_STREAM, 0);
4003 if (fd < 0) {
4004 perror("socket");
4005 return -1;
4006 }
4007 socket_set_nonblock(fd);
4008
4009 /* allow fast reuse */
4010 val = 1;
4011 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
4012
4013 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4014 if (ret < 0) {
4015 perror("bind");
4016 return -1;
4017 }
4018 ret = listen(fd, 0);
4019 if (ret < 0) {
4020 perror("listen");
4021 return -1;
4022 }
4023 s->vlan = vlan;
4024 s->fd = fd;
4025 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
4026 return 0;
4027 }
4028
4029 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
4030 {
4031 NetSocketState *s;
4032 int fd, connected, ret, err;
4033 struct sockaddr_in saddr;
4034
4035 if (parse_host_port(&saddr, host_str) < 0)
4036 return -1;
4037
4038 fd = socket(PF_INET, SOCK_STREAM, 0);
4039 if (fd < 0) {
4040 perror("socket");
4041 return -1;
4042 }
4043 socket_set_nonblock(fd);
4044
4045 connected = 0;
4046 for(;;) {
4047 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4048 if (ret < 0) {
4049 err = socket_error();
4050 if (err == EINTR || err == EWOULDBLOCK) {
4051 } else if (err == EINPROGRESS) {
4052 break;
4053 #ifdef _WIN32
4054 } else if (err == WSAEALREADY) {
4055 break;
4056 #endif
4057 } else {
4058 perror("connect");
4059 closesocket(fd);
4060 return -1;
4061 }
4062 } else {
4063 connected = 1;
4064 break;
4065 }
4066 }
4067 s = net_socket_fd_init(vlan, fd, connected);
4068 if (!s)
4069 return -1;
4070 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4071 "socket: connect to %s:%d",
4072 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4073 return 0;
4074 }
4075
4076 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
4077 {
4078 NetSocketState *s;
4079 int fd;
4080 struct sockaddr_in saddr;
4081
4082 if (parse_host_port(&saddr, host_str) < 0)
4083 return -1;
4084
4085
4086 fd = net_socket_mcast_create(&saddr);
4087 if (fd < 0)
4088 return -1;
4089
4090 s = net_socket_fd_init(vlan, fd, 0);
4091 if (!s)
4092 return -1;
4093
4094 s->dgram_dst = saddr;
4095
4096 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4097 "socket: mcast=%s:%d",
4098 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4099 return 0;
4100
4101 }
4102
4103 static int get_param_value(char *buf, int buf_size,
4104 const char *tag, const char *str)
4105 {
4106 const char *p;
4107 char *q;
4108 char option[128];
4109
4110 p = str;
4111 for(;;) {
4112 q = option;
4113 while (*p != '\0' && *p != '=') {
4114 if ((q - option) < sizeof(option) - 1)
4115 *q++ = *p;
4116 p++;
4117 }
4118 *q = '\0';
4119 if (*p != '=')
4120 break;
4121 p++;
4122 if (!strcmp(tag, option)) {
4123 q = buf;
4124 while (*p != '\0' && *p != ',') {
4125 if ((q - buf) < buf_size - 1)
4126 *q++ = *p;
4127 p++;
4128 }
4129 *q = '\0';
4130 return q - buf;
4131 } else {
4132 while (*p != '\0' && *p != ',') {
4133 p++;
4134 }
4135 }
4136 if (*p != ',')
4137 break;
4138 p++;
4139 }
4140 return 0;
4141 }
4142
4143 static int net_client_init(const char *str)
4144 {
4145 const char *p;
4146 char *q;
4147 char device[64];
4148 char buf[1024];
4149 int vlan_id, ret;
4150 VLANState *vlan;
4151
4152 p = str;
4153 q = device;
4154 while (*p != '\0' && *p != ',') {
4155 if ((q - device) < sizeof(device) - 1)
4156 *q++ = *p;
4157 p++;
4158 }
4159 *q = '\0';
4160 if (*p == ',')
4161 p++;
4162 vlan_id = 0;
4163 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
4164 vlan_id = strtol(buf, NULL, 0);
4165 }
4166 vlan = qemu_find_vlan(vlan_id);
4167 if (!vlan) {
4168 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
4169 return -1;
4170 }
4171 if (!strcmp(device, "nic")) {
4172 NICInfo *nd;
4173 uint8_t *macaddr;
4174
4175 if (nb_nics >= MAX_NICS) {
4176 fprintf(stderr, "Too Many NICs\n");
4177 return -1;
4178 }
4179 nd = &nd_table[nb_nics];
4180 macaddr = nd->macaddr;
4181 macaddr[0] = 0x52;
4182 macaddr[1] = 0x54;
4183 macaddr[2] = 0x00;
4184 macaddr[3] = 0x12;
4185 macaddr[4] = 0x34;
4186 macaddr[5] = 0x56 + nb_nics;
4187
4188 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
4189 if (parse_macaddr(macaddr, buf) < 0) {
4190 fprintf(stderr, "invalid syntax for ethernet address\n");
4191 return -1;
4192 }
4193 }
4194 if (get_param_value(buf, sizeof(buf), "model", p)) {
4195 nd->model = strdup(buf);
4196 }
4197 nd->vlan = vlan;
4198 nb_nics++;
4199 ret = 0;
4200 } else
4201 if (!strcmp(device, "none")) {
4202 /* does nothing. It is needed to signal that no network cards
4203 are wanted */
4204 ret = 0;
4205 } else
4206 #ifdef CONFIG_SLIRP
4207 if (!strcmp(device, "user")) {
4208 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
4209 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
4210 }
4211 ret = net_slirp_init(vlan);
4212 } else
4213 #endif
4214 #ifdef _WIN32
4215 if (!strcmp(device, "tap")) {
4216 char ifname[64];
4217 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4218 fprintf(stderr, "tap: no interface name\n");
4219 return -1;
4220 }
4221 ret = tap_win32_init(vlan, ifname);
4222 } else
4223 #else
4224 if (!strcmp(device, "tap")) {
4225 char ifname[64];
4226 char setup_script[1024];
4227 int fd;
4228 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4229 fd = strtol(buf, NULL, 0);
4230 ret = -1;
4231 if (net_tap_fd_init(vlan, fd))
4232 ret = 0;
4233 } else {
4234 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4235 ifname[0] = '\0';
4236 }
4237 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
4238 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
4239 }
4240 ret = net_tap_init(vlan, ifname, setup_script);
4241 }
4242 } else
4243 #endif
4244 if (!strcmp(device, "socket")) {
4245 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4246 int fd;
4247 fd = strtol(buf, NULL, 0);
4248 ret = -1;
4249 if (net_socket_fd_init(vlan, fd, 1))
4250 ret = 0;
4251 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
4252 ret = net_socket_listen_init(vlan, buf);
4253 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
4254 ret = net_socket_connect_init(vlan, buf);
4255 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
4256 ret = net_socket_mcast_init(vlan, buf);
4257 } else {
4258 fprintf(stderr, "Unknown socket options: %s\n", p);
4259 return -1;
4260 }
4261 } else
4262 {
4263 fprintf(stderr, "Unknown network device: %s\n", device);
4264 return -1;
4265 }
4266 if (ret < 0) {
4267 fprintf(stderr, "Could not initialize device '%s'\n", device);
4268 }
4269
4270 return ret;
4271 }
4272
4273 void do_info_network(void)
4274 {
4275 VLANState *vlan;
4276 VLANClientState *vc;
4277
4278 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
4279 term_printf("VLAN %d devices:\n", vlan->id);
4280 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
4281 term_printf(" %s\n", vc->info_str);
4282 }
4283 }
4284
4285 /***********************************************************/
4286 /* USB devices */
4287
4288 static USBPort *used_usb_ports;
4289 static USBPort *free_usb_ports;
4290
4291 /* ??? Maybe change this to register a hub to keep track of the topology. */
4292 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
4293 usb_attachfn attach)
4294 {
4295 port->opaque = opaque;
4296 port->index = index;
4297 port->attach = attach;
4298 port->next = free_usb_ports;
4299 free_usb_ports = port;
4300 }
4301
4302 static int usb_device_add(const char *devname)
4303 {
4304 const char *p;
4305 USBDevice *dev;
4306 USBPort *port;
4307
4308 if (!free_usb_ports)
4309 return -1;
4310
4311 if (strstart(devname, "host:", &p)) {
4312 dev = usb_host_device_open(p);
4313 } else if (!strcmp(devname, "mouse")) {
4314 dev = usb_mouse_init();
4315 } else if (!strcmp(devname, "tablet")) {
4316 dev = usb_tablet_init();
4317 } else if (strstart(devname, "disk:", &p)) {
4318 dev = usb_msd_init(p);
4319 } else {
4320 return -1;
4321 }
4322 if (!dev)
4323 return -1;
4324
4325 /* Find a USB port to add the device to. */
4326 port = free_usb_ports;
4327 if (!port->next) {
4328 USBDevice *hub;
4329
4330 /* Create a new hub and chain it on. */
4331 free_usb_ports = NULL;
4332 port->next = used_usb_ports;
4333 used_usb_ports = port;
4334
4335 hub = usb_hub_init(VM_USB_HUB_SIZE);
4336 usb_attach(port, hub);
4337 port = free_usb_ports;
4338 }
4339
4340 free_usb_ports = port->next;
4341 port->next = used_usb_ports;
4342 used_usb_ports = port;
4343 usb_attach(port, dev);
4344 return 0;
4345 }
4346
4347 static int usb_device_del(const char *devname)
4348 {
4349 USBPort *port;
4350 USBPort **lastp;
4351 USBDevice *dev;
4352 int bus_num, addr;
4353 const char *p;
4354
4355 if (!used_usb_ports)
4356 return -1;
4357
4358 p = strchr(devname, '.');
4359 if (!p)
4360 return -1;
4361 bus_num = strtoul(devname, NULL, 0);
4362 addr = strtoul(p + 1, NULL, 0);
4363 if (bus_num != 0)
4364 return -1;
4365
4366 lastp = &used_usb_ports;
4367 port = used_usb_ports;
4368 while (port && port->dev->addr != addr) {
4369 lastp = &port->next;
4370 port = port->next;
4371 }
4372
4373 if (!port)
4374 return -1;
4375
4376 dev = port->dev;
4377 *lastp = port->next;
4378 usb_attach(port, NULL);
4379 dev->handle_destroy(dev);
4380 port->next = free_usb_ports;
4381 free_usb_ports = port;
4382 return 0;
4383 }
4384
4385 void do_usb_add(const char *devname)
4386 {
4387 int ret;
4388 ret = usb_device_add(devname);
4389 if (ret < 0)
4390 term_printf("Could not add USB device '%s'\n", devname);
4391 }
4392
4393 void do_usb_del(const char *devname)
4394 {
4395 int ret;
4396 ret = usb_device_del(devname);
4397 if (ret < 0)
4398 term_printf("Could not remove USB device '%s'\n", devname);
4399 }
4400
4401 void usb_info(void)
4402 {
4403 USBDevice *dev;
4404 USBPort *port;
4405 const char *speed_str;
4406
4407 if (!usb_enabled) {
4408 term_printf("USB support not enabled\n");
4409 return;
4410 }
4411
4412 for (port = used_usb_ports; port; port = port->next) {
4413 dev = port->dev;
4414 if (!dev)
4415 continue;
4416 switch(dev->speed) {
4417 case USB_SPEED_LOW:
4418 speed_str = "1.5";
4419 break;
4420 case USB_SPEED_FULL:
4421 speed_str = "12";
4422 break;
4423 case USB_SPEED_HIGH:
4424 speed_str = "480";
4425 break;
4426 default:
4427 speed_str = "?";
4428 break;
4429 }
4430 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
4431 0, dev->addr, speed_str, dev->devname);
4432 }
4433 }
4434
4435 /***********************************************************/
4436 /* PCMCIA/Cardbus */
4437
4438 static struct pcmcia_socket_entry_s {
4439 struct pcmcia_socket_s *socket;
4440 struct pcmcia_socket_entry_s *next;
4441 } *pcmcia_sockets = 0;
4442
4443 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
4444 {
4445 struct pcmcia_socket_entry_s *entry;
4446
4447 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
4448 entry->socket = socket;
4449 entry->next = pcmcia_sockets;
4450 pcmcia_sockets = entry;
4451 }
4452
4453 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
4454 {
4455 struct pcmcia_socket_entry_s *entry, **ptr;
4456
4457 ptr = &pcmcia_sockets;
4458 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
4459 if (entry->socket == socket) {
4460 *ptr = entry->next;
4461 qemu_free(entry);
4462 }
4463 }
4464
4465 void pcmcia_info(void)
4466 {
4467 struct pcmcia_socket_entry_s *iter;
4468 if (!pcmcia_sockets)
4469 term_printf("No PCMCIA sockets\n");
4470
4471 for (iter = pcmcia_sockets; iter; iter = iter->next)
4472 term_printf("%s: %s\n", iter->socket->slot_string,
4473 iter->socket->attached ? iter->socket->card_string :
4474 "Empty");
4475 }
4476
4477 /***********************************************************/
4478 /* dumb display */
4479
4480 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
4481 {
4482 }
4483
4484 static void dumb_resize(DisplayState *ds, int w, int h)
4485 {
4486 }
4487
4488 static void dumb_refresh(DisplayState *ds)
4489 {
4490 vga_hw_update();
4491 }
4492
4493 void dumb_display_init(DisplayState *ds)
4494 {
4495 ds->data = NULL;
4496 ds->linesize = 0;
4497 ds->depth = 0;
4498 ds->dpy_update = dumb_update;
4499 ds->dpy_resize = dumb_resize;
4500 ds->dpy_refresh = dumb_refresh;
4501 }
4502
4503 /***********************************************************/
4504 /* I/O handling */
4505
4506 #define MAX_IO_HANDLERS 64
4507
4508 typedef struct IOHandlerRecord {
4509 int fd;
4510 IOCanRWHandler *fd_read_poll;
4511 IOHandler *fd_read;
4512 IOHandler *fd_write;
4513 int deleted;
4514 void *opaque;
4515 /* temporary data */
4516 struct pollfd *ufd;
4517 struct IOHandlerRecord *next;
4518 } IOHandlerRecord;
4519
4520 static IOHandlerRecord *first_io_handler;
4521
4522 /* XXX: fd_read_poll should be suppressed, but an API change is
4523 necessary in the character devices to suppress fd_can_read(). */
4524 int qemu_set_fd_handler2(int fd,
4525 IOCanRWHandler *fd_read_poll,
4526 IOHandler *fd_read,
4527 IOHandler *fd_write,
4528 void *opaque)
4529 {
4530 IOHandlerRecord **pioh, *ioh;
4531
4532 if (!fd_read && !fd_write) {
4533 pioh = &first_io_handler;
4534 for(;;) {
4535 ioh = *pioh;
4536 if (ioh == NULL)
4537 break;
4538 if (ioh->fd == fd) {
4539 ioh->deleted = 1;
4540 break;
4541 }
4542 pioh = &ioh->next;
4543 }
4544 } else {
4545 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4546 if (ioh->fd == fd)
4547 goto found;
4548 }
4549 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
4550 if (!ioh)
4551 return -1;
4552 ioh->next = first_io_handler;
4553 first_io_handler = ioh;
4554 found:
4555 ioh->fd = fd;
4556 ioh->fd_read_poll = fd_read_poll;
4557 ioh->fd_read = fd_read;
4558 ioh->fd_write = fd_write;
4559 ioh->opaque = opaque;
4560 ioh->deleted = 0;
4561 }
4562 return 0;
4563 }
4564
4565 int qemu_set_fd_handler(int fd,
4566 IOHandler *fd_read,
4567 IOHandler *fd_write,
4568 void *opaque)
4569 {
4570 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
4571 }
4572
4573 /***********************************************************/
4574 /* Polling handling */
4575
4576 typedef struct PollingEntry {
4577 PollingFunc *func;
4578 void *opaque;
4579 struct PollingEntry *next;
4580 } PollingEntry;
4581
4582 static PollingEntry *first_polling_entry;
4583
4584 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
4585 {
4586 PollingEntry **ppe, *pe;
4587 pe = qemu_mallocz(sizeof(PollingEntry));
4588 if (!pe)
4589 return -1;
4590 pe->func = func;
4591 pe->opaque = opaque;
4592 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
4593 *ppe = pe;
4594 return 0;
4595 }
4596
4597 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
4598 {
4599 PollingEntry **ppe, *pe;
4600 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
4601 pe = *ppe;
4602 if (pe->func == func && pe->opaque == opaque) {
4603 *ppe = pe->next;
4604 qemu_free(pe);
4605 break;
4606 }
4607 }
4608 }
4609
4610 #ifdef _WIN32
4611 /***********************************************************/
4612 /* Wait objects support */
4613 typedef struct WaitObjects {
4614 int num;
4615 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
4616 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
4617 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
4618 } WaitObjects;
4619
4620 static WaitObjects wait_objects = {0};
4621
4622 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4623 {
4624 WaitObjects *w = &wait_objects;
4625
4626 if (w->num >= MAXIMUM_WAIT_OBJECTS)
4627 return -1;
4628 w->events[w->num] = handle;
4629 w->func[w->num] = func;
4630 w->opaque[w->num] = opaque;
4631 w->num++;
4632 return 0;
4633 }
4634
4635 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4636 {
4637 int i, found;
4638 WaitObjects *w = &wait_objects;
4639
4640 found = 0;
4641 for (i = 0; i < w->num; i++) {
4642 if (w->events[i] == handle)
4643 found = 1;
4644 if (found) {
4645 w->events[i] = w->events[i + 1];
4646 w->func[i] = w->func[i + 1];
4647 w->opaque[i] = w->opaque[i + 1];
4648 }
4649 }
4650 if (found)
4651 w->num--;
4652 }
4653 #endif
4654
4655 /***********************************************************/
4656 /* savevm/loadvm support */
4657
4658 #define IO_BUF_SIZE 32768
4659
4660 struct QEMUFile {
4661 FILE *outfile;
4662 BlockDriverState *bs;
4663 int is_file;
4664 int is_writable;
4665 int64_t base_offset;
4666 int64_t buf_offset; /* start of buffer when writing, end of buffer
4667 when reading */
4668 int buf_index;
4669 int buf_size; /* 0 when writing */
4670 uint8_t buf[IO_BUF_SIZE];
4671 };
4672
4673 QEMUFile *qemu_fopen(const char *filename, const char *mode)
4674 {
4675 QEMUFile *f;
4676
4677 f = qemu_mallocz(sizeof(QEMUFile));
4678 if (!f)
4679 return NULL;
4680 if (!strcmp(mode, "wb")) {
4681 f->is_writable = 1;
4682 } else if (!strcmp(mode, "rb")) {
4683 f->is_writable = 0;
4684 } else {
4685 goto fail;
4686 }
4687 f->outfile = fopen(filename, mode);
4688 if (!f->outfile)
4689 goto fail;
4690 f->is_file = 1;
4691 return f;
4692 fail:
4693 if (f->outfile)
4694 fclose(f->outfile);
4695 qemu_free(f);
4696 return NULL;
4697 }
4698
4699 QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
4700 {
4701 QEMUFile *f;
4702
4703 f = qemu_mallocz(sizeof(QEMUFile));
4704 if (!f)
4705 return NULL;
4706 f->is_file = 0;
4707 f->bs = bs;
4708 f->is_writable = is_writable;
4709 f->base_offset = offset;
4710 return f;
4711 }
4712
4713 void qemu_fflush(QEMUFile *f)
4714 {
4715 if (!f->is_writable)
4716 return;
4717 if (f->buf_index > 0) {
4718 if (f->is_file) {
4719 fseek(f->outfile, f->buf_offset, SEEK_SET);
4720 fwrite(f->buf, 1, f->buf_index, f->outfile);
4721 } else {
4722 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
4723 f->buf, f->buf_index);
4724 }
4725 f->buf_offset += f->buf_index;
4726 f->buf_index = 0;
4727 }
4728 }
4729
4730 static void qemu_fill_buffer(QEMUFile *f)
4731 {
4732 int len;
4733
4734 if (f->is_writable)
4735 return;
4736 if (f->is_file) {
4737 fseek(f->outfile, f->buf_offset, SEEK_SET);
4738 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
4739 if (len < 0)
4740 len = 0;
4741 } else {
4742 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
4743 f->buf, IO_BUF_SIZE);
4744 if (len < 0)
4745 len = 0;
4746 }
4747 f->buf_index = 0;
4748 f->buf_size = len;
4749 f->buf_offset += len;
4750 }
4751
4752 void qemu_fclose(QEMUFile *f)
4753 {
4754 if (f->is_writable)
4755 qemu_fflush(f);
4756 if (f->is_file) {
4757 fclose(f->outfile);
4758 }
4759 qemu_free(f);
4760 }
4761
4762 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
4763 {
4764 int l;
4765 while (size > 0) {
4766 l = IO_BUF_SIZE - f->buf_index;
4767 if (l > size)
4768 l = size;
4769 memcpy(f->buf + f->buf_index, buf, l);
4770 f->buf_index += l;
4771 buf += l;
4772 size -= l;
4773 if (f->buf_index >= IO_BUF_SIZE)
4774 qemu_fflush(f);
4775 }
4776 }
4777
4778 void qemu_put_byte(QEMUFile *f, int v)
4779 {
4780 f->buf[f->buf_index++] = v;
4781 if (f->buf_index >= IO_BUF_SIZE)
4782 qemu_fflush(f);
4783 }
4784
4785 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
4786 {
4787 int size, l;
4788
4789 size = size1;
4790 while (size > 0) {
4791 l = f->buf_size - f->buf_index;
4792 if (l == 0) {
4793 qemu_fill_buffer(f);
4794 l = f->buf_size - f->buf_index;
4795 if (l == 0)
4796 break;
4797 }
4798 if (l > size)
4799 l = size;
4800 memcpy(buf, f->buf + f->buf_index, l);
4801 f->buf_index += l;
4802 buf += l;
4803 size -= l;
4804 }
4805 return size1 - size;
4806 }
4807
4808 int qemu_get_byte(QEMUFile *f)
4809 {
4810 if (f->buf_index >= f->buf_size) {
4811 qemu_fill_buffer(f);
4812 if (f->buf_index >= f->buf_size)
4813 return 0;
4814 }
4815 return f->buf[f->buf_index++];
4816 }
4817
4818 int64_t qemu_ftell(QEMUFile *f)
4819 {
4820 return f->buf_offset - f->buf_size + f->buf_index;
4821 }
4822
4823 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
4824 {
4825 if (whence == SEEK_SET) {
4826 /* nothing to do */
4827 } else if (whence == SEEK_CUR) {
4828 pos += qemu_ftell(f);
4829 } else {
4830 /* SEEK_END not supported */
4831 return -1;
4832 }
4833 if (f->is_writable) {
4834 qemu_fflush(f);
4835 f->buf_offset = pos;
4836 } else {
4837 f->buf_offset = pos;
4838 f->buf_index = 0;
4839 f->buf_size = 0;
4840 }
4841 return pos;
4842 }
4843
4844 void qemu_put_be16(QEMUFile *f, unsigned int v)
4845 {
4846 qemu_put_byte(f, v >> 8);
4847 qemu_put_byte(f, v);
4848 }
4849
4850 void qemu_put_be32(QEMUFile *f, unsigned int v)
4851 {
4852 qemu_put_byte(f, v >> 24);
4853 qemu_put_byte(f, v >> 16);
4854 qemu_put_byte(f, v >> 8);
4855 qemu_put_byte(f, v);
4856 }
4857
4858 void qemu_put_be64(QEMUFile *f, uint64_t v)
4859 {
4860 qemu_put_be32(f, v >> 32);
4861 qemu_put_be32(f, v);
4862 }
4863
4864 unsigned int qemu_get_be16(QEMUFile *f)
4865 {
4866 unsigned int v;
4867 v = qemu_get_byte(f) << 8;
4868 v |= qemu_get_byte(f);
4869 return v;
4870 }
4871
4872 unsigned int qemu_get_be32(QEMUFile *f)
4873 {
4874 unsigned int v;
4875 v = qemu_get_byte(f) << 24;
4876 v |= qemu_get_byte(f) << 16;
4877 v |= qemu_get_byte(f) << 8;
4878 v |= qemu_get_byte(f);
4879 return v;
4880 }
4881
4882 uint64_t qemu_get_be64(QEMUFile *f)
4883 {
4884 uint64_t v;
4885 v = (uint64_t)qemu_get_be32(f) << 32;
4886 v |= qemu_get_be32(f);
4887 return v;
4888 }
4889
4890 typedef struct SaveStateEntry {
4891 char idstr[256];
4892 int instance_id;
4893 int version_id;
4894 SaveStateHandler *save_state;
4895 LoadStateHandler *load_state;
4896 void *opaque;
4897 struct SaveStateEntry *next;
4898 } SaveStateEntry;
4899
4900 static SaveStateEntry *first_se;
4901
4902 int register_savevm(const char *idstr,
4903 int instance_id,
4904 int version_id,
4905 SaveStateHandler *save_state,
4906 LoadStateHandler *load_state,
4907 void *opaque)
4908 {
4909 SaveStateEntry *se, **pse;
4910
4911 se = qemu_malloc(sizeof(SaveStateEntry));
4912 if (!se)
4913 return -1;
4914 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
4915 se->instance_id = instance_id;
4916 se->version_id = version_id;
4917 se->save_state = save_state;
4918 se->load_state = load_state;
4919 se->opaque = opaque;
4920 se->next = NULL;
4921
4922 /* add at the end of list */
4923 pse = &first_se;
4924 while (*pse != NULL)
4925 pse = &(*pse)->next;
4926 *pse = se;
4927 return 0;
4928 }
4929
4930 #define QEMU_VM_FILE_MAGIC 0x5145564d
4931 #define QEMU_VM_FILE_VERSION 0x00000002
4932
4933 int qemu_savevm_state(QEMUFile *f)
4934 {
4935 SaveStateEntry *se;
4936 int len, ret;
4937 int64_t cur_pos, len_pos, total_len_pos;
4938
4939 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
4940 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
4941 total_len_pos = qemu_ftell(f);
4942 qemu_put_be64(f, 0); /* total size */
4943
4944 for(se = first_se; se != NULL; se = se->next) {
4945 /* ID string */
4946 len = strlen(se->idstr);
4947 qemu_put_byte(f, len);
4948 qemu_put_buffer(f, se->idstr, len);
4949
4950 qemu_put_be32(f, se->instance_id);
4951 qemu_put_be32(f, se->version_id);
4952
4953 /* record size: filled later */
4954 len_pos = qemu_ftell(f);
4955 qemu_put_be32(f, 0);
4956
4957 se->save_state(f, se->opaque);
4958
4959 /* fill record size */
4960 cur_pos = qemu_ftell(f);
4961 len = cur_pos - len_pos - 4;
4962 qemu_fseek(f, len_pos, SEEK_SET);
4963 qemu_put_be32(f, len);
4964 qemu_fseek(f, cur_pos, SEEK_SET);
4965 }
4966 cur_pos = qemu_ftell(f);
4967 qemu_fseek(f, total_len_pos, SEEK_SET);
4968 qemu_put_be64(f, cur_pos - total_len_pos - 8);
4969 qemu_fseek(f, cur_pos, SEEK_SET);
4970
4971 ret = 0;
4972 return ret;
4973 }
4974
4975 static SaveStateEntry *find_se(const char *idstr, int instance_id)
4976 {
4977 SaveStateEntry *se;
4978
4979 for(se = first_se; se != NULL; se = se->next) {
4980 if (!strcmp(se->idstr, idstr) &&
4981 instance_id == se->instance_id)
4982 return se;
4983 }
4984 return NULL;
4985 }
4986
4987 int qemu_loadvm_state(QEMUFile *f)
4988 {
4989 SaveStateEntry *se;
4990 int len, ret, instance_id, record_len, version_id;
4991 int64_t total_len, end_pos, cur_pos;
4992 unsigned int v;
4993 char idstr[256];
4994
4995 v = qemu_get_be32(f);
4996 if (v != QEMU_VM_FILE_MAGIC)
4997 goto fail;
4998 v = qemu_get_be32(f);
4999 if (v != QEMU_VM_FILE_VERSION) {
5000 fail:
5001 ret = -1;
5002 goto the_end;
5003 }
5004 total_len = qemu_get_be64(f);
5005 end_pos = total_len + qemu_ftell(f);
5006 for(;;) {
5007 if (qemu_ftell(f) >= end_pos)
5008 break;
5009 len = qemu_get_byte(f);
5010 qemu_get_buffer(f, idstr, len);
5011 idstr[len] = '\0';
5012 instance_id = qemu_get_be32(f);
5013 version_id = qemu_get_be32(f);
5014 record_len = qemu_get_be32(f);
5015 #if 0
5016 printf("idstr=%s instance=0x%x version=%d len=%d\n",
5017 idstr, instance_id, version_id, record_len);
5018 #endif
5019 cur_pos = qemu_ftell(f);
5020 se = find_se(idstr, instance_id);
5021 if (!se) {
5022 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
5023 instance_id, idstr);
5024 } else {
5025 ret = se->load_state(f, se->opaque, version_id);
5026 if (ret < 0) {
5027 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
5028 instance_id, idstr);
5029 }
5030 }
5031 /* always seek to exact end of record */
5032 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
5033 }
5034 ret = 0;
5035 the_end:
5036 return ret;
5037 }
5038
5039 /* device can contain snapshots */
5040 static int bdrv_can_snapshot(BlockDriverState *bs)
5041 {
5042 return (bs &&
5043 !bdrv_is_removable(bs) &&
5044 !bdrv_is_read_only(bs));
5045 }
5046
5047 /* device must be snapshots in order to have a reliable snapshot */
5048 static int bdrv_has_snapshot(BlockDriverState *bs)
5049 {
5050 return (bs &&
5051 !bdrv_is_removable(bs) &&
5052 !bdrv_is_read_only(bs));
5053 }
5054
5055 static BlockDriverState *get_bs_snapshots(void)
5056 {
5057 BlockDriverState *bs;
5058 int i;
5059
5060 if (bs_snapshots)
5061 return bs_snapshots;
5062 for(i = 0; i <= MAX_DISKS; i++) {
5063 bs = bs_table[i];
5064 if (bdrv_can_snapshot(bs))
5065 goto ok;
5066 }
5067 return NULL;
5068 ok:
5069 bs_snapshots = bs;
5070 return bs;
5071 }
5072
5073 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
5074 const char *name)
5075 {
5076 QEMUSnapshotInfo *sn_tab, *sn;
5077 int nb_sns, i, ret;
5078
5079 ret = -ENOENT;
5080 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
5081 if (nb_sns < 0)
5082 return ret;
5083 for(i = 0; i < nb_sns; i++) {
5084 sn = &sn_tab[i];
5085 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
5086 *sn_info = *sn;
5087 ret = 0;
5088 break;
5089 }
5090 }
5091 qemu_free(sn_tab);
5092 return ret;
5093 }
5094
5095 void do_savevm(const char *name)
5096 {
5097 BlockDriverState *bs, *bs1;
5098 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
5099 int must_delete, ret, i;
5100 BlockDriverInfo bdi1, *bdi = &bdi1;
5101 QEMUFile *f;
5102 int saved_vm_running;
5103 #ifdef _WIN32
5104 struct _timeb tb;
5105 #else
5106 struct timeval tv;
5107 #endif
5108
5109 bs = get_bs_snapshots();
5110 if (!bs) {
5111 term_printf("No block device can accept snapshots\n");
5112 return;
5113 }
5114
5115 /* ??? Should this occur after vm_stop? */
5116 qemu_aio_flush();
5117
5118 saved_vm_running = vm_running;
5119 vm_stop(0);
5120
5121 must_delete = 0;
5122 if (name) {
5123 ret = bdrv_snapshot_find(bs, old_sn, name);
5124 if (ret >= 0) {
5125 must_delete = 1;
5126 }
5127 }
5128 memset(sn, 0, sizeof(*sn));
5129 if (must_delete) {
5130 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
5131 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
5132 } else {
5133 if (name)
5134 pstrcpy(sn->name, sizeof(sn->name), name);
5135 }
5136
5137 /* fill auxiliary fields */
5138 #ifdef _WIN32
5139 _ftime(&tb);
5140 sn->date_sec = tb.time;
5141 sn->date_nsec = tb.millitm * 1000000;
5142 #else
5143 gettimeofday(&tv, NULL);
5144 sn->date_sec = tv.tv_sec;
5145 sn->date_nsec = tv.tv_usec * 1000;
5146 #endif
5147 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
5148
5149 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
5150 term_printf("Device %s does not support VM state snapshots\n",
5151 bdrv_get_device_name(bs));
5152 goto the_end;
5153 }
5154
5155 /* save the VM state */
5156 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
5157 if (!f) {
5158 term_printf("Could not open VM state file\n");
5159 goto the_end;
5160 }
5161 ret = qemu_savevm_state(f);
5162 sn->vm_state_size = qemu_ftell(f);
5163 qemu_fclose(f);
5164 if (ret < 0) {
5165 term_printf("Error %d while writing VM\n", ret);
5166 goto the_end;
5167 }
5168
5169 /* create the snapshots */
5170
5171 for(i = 0; i < MAX_DISKS; i++) {
5172 bs1 = bs_table[i];
5173 if (bdrv_has_snapshot(bs1)) {
5174 if (must_delete) {
5175 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
5176 if (ret < 0) {
5177 term_printf("Error while deleting snapshot on '%s'\n",
5178 bdrv_get_device_name(bs1));
5179 }
5180 }
5181 ret = bdrv_snapshot_create(bs1, sn);
5182 if (ret < 0) {
5183 term_printf("Error while creating snapshot on '%s'\n",
5184 bdrv_get_device_name(bs1));
5185 }
5186 }
5187 }
5188
5189 the_end:
5190 if (saved_vm_running)
5191 vm_start();
5192 }
5193
5194 void do_loadvm(const char *name)
5195 {
5196 BlockDriverState *bs, *bs1;
5197 BlockDriverInfo bdi1, *bdi = &bdi1;
5198 QEMUFile *f;
5199 int i, ret;
5200 int saved_vm_running;
5201
5202 bs = get_bs_snapshots();
5203 if (!bs) {
5204 term_printf("No block device supports snapshots\n");
5205 return;
5206 }
5207
5208 /* Flush all IO requests so they don't interfere with the new state. */
5209 qemu_aio_flush();
5210
5211 saved_vm_running = vm_running;
5212 vm_stop(0);
5213
5214 for(i = 0; i <= MAX_DISKS; i++) {
5215 bs1 = bs_table[i];
5216 if (bdrv_has_snapshot(bs1)) {
5217 ret = bdrv_snapshot_goto(bs1, name);
5218 if (ret < 0) {
5219 if (bs != bs1)
5220 term_printf("Warning: ");
5221 switch(ret) {
5222 case -ENOTSUP:
5223 term_printf("Snapshots not supported on device '%s'\n",
5224 bdrv_get_device_name(bs1));
5225 break;
5226 case -ENOENT:
5227 term_printf("Could not find snapshot '%s' on device '%s'\n",
5228 name, bdrv_get_device_name(bs1));
5229 break;
5230 default:
5231 term_printf("Error %d while activating snapshot on '%s'\n",
5232 ret, bdrv_get_device_name(bs1));
5233 break;
5234 }
5235 /* fatal on snapshot block device */
5236 if (bs == bs1)
5237 goto the_end;
5238 }
5239 }
5240 }
5241
5242 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
5243 term_printf("Device %s does not support VM state snapshots\n",
5244 bdrv_get_device_name(bs));
5245 return;
5246 }
5247
5248 /* restore the VM state */
5249 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
5250 if (!f) {
5251 term_printf("Could not open VM state file\n");
5252 goto the_end;
5253 }
5254 ret = qemu_loadvm_state(f);
5255 qemu_fclose(f);
5256 if (ret < 0) {
5257 term_printf("Error %d while loading VM state\n", ret);
5258 }
5259 the_end:
5260 if (saved_vm_running)
5261 vm_start();
5262 }
5263
5264 void do_delvm(const char *name)
5265 {
5266 BlockDriverState *bs, *bs1;
5267 int i, ret;
5268
5269 bs = get_bs_snapshots();
5270 if (!bs) {
5271 term_printf("No block device supports snapshots\n");
5272 return;
5273 }
5274
5275 for(i = 0; i <= MAX_DISKS; i++) {
5276 bs1 = bs_table[i];
5277 if (bdrv_has_snapshot(bs1)) {
5278 ret = bdrv_snapshot_delete(bs1, name);
5279 if (ret < 0) {
5280 if (ret == -ENOTSUP)
5281 term_printf("Snapshots not supported on device '%s'\n",
5282 bdrv_get_device_name(bs1));
5283 else
5284 term_printf("Error %d while deleting snapshot on '%s'\n",
5285 ret, bdrv_get_device_name(bs1));
5286 }
5287 }
5288 }
5289 }
5290
5291 void do_info_snapshots(void)
5292 {
5293 BlockDriverState *bs, *bs1;
5294 QEMUSnapshotInfo *sn_tab, *sn;
5295 int nb_sns, i;
5296 char buf[256];
5297
5298 bs = get_bs_snapshots();
5299 if (!bs) {
5300 term_printf("No available block device supports snapshots\n");
5301 return;
5302 }
5303 term_printf("Snapshot devices:");
5304 for(i = 0; i <= MAX_DISKS; i++) {
5305 bs1 = bs_table[i];
5306 if (bdrv_has_snapshot(bs1)) {
5307 if (bs == bs1)
5308 term_printf(" %s", bdrv_get_device_name(bs1));
5309 }
5310 }
5311 term_printf("\n");
5312
5313 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
5314 if (nb_sns < 0) {
5315 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
5316 return;
5317 }
5318 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
5319 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
5320 for(i = 0; i < nb_sns; i++) {
5321 sn = &sn_tab[i];
5322 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
5323 }
5324 qemu_free(sn_tab);
5325 }
5326
5327 /***********************************************************/
5328 /* cpu save/restore */
5329
5330 #if defined(TARGET_I386)
5331
5332 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
5333 {
5334 qemu_put_be32(f, dt->selector);
5335 qemu_put_betl(f, dt->base);
5336 qemu_put_be32(f, dt->limit);
5337 qemu_put_be32(f, dt->flags);
5338 }
5339
5340 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
5341 {
5342 dt->selector = qemu_get_be32(f);
5343 dt->base = qemu_get_betl(f);
5344 dt->limit = qemu_get_be32(f);
5345 dt->flags = qemu_get_be32(f);
5346 }
5347
5348 void cpu_save(QEMUFile *f, void *opaque)
5349 {
5350 CPUState *env = opaque;
5351 uint16_t fptag, fpus, fpuc, fpregs_format;
5352 uint32_t hflags;
5353 int i;
5354
5355 for(i = 0; i < CPU_NB_REGS; i++)
5356 qemu_put_betls(f, &env->regs[i]);
5357 qemu_put_betls(f, &env->eip);
5358 qemu_put_betls(f, &env->eflags);
5359 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
5360 qemu_put_be32s(f, &hflags);
5361
5362 /* FPU */
5363 fpuc = env->fpuc;
5364 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
5365 fptag = 0;
5366 for(i = 0; i < 8; i++) {
5367 fptag |= ((!env->fptags[i]) << i);
5368 }
5369
5370 qemu_put_be16s(f, &fpuc);
5371 qemu_put_be16s(f, &fpus);
5372 qemu_put_be16s(f, &fptag);
5373
5374 #ifdef USE_X86LDOUBLE
5375 fpregs_format = 0;
5376 #else
5377 fpregs_format = 1;
5378 #endif
5379 qemu_put_be16s(f, &fpregs_format);
5380
5381 for(i = 0; i < 8; i++) {
5382 #ifdef USE_X86LDOUBLE
5383 {
5384 uint64_t mant;
5385 uint16_t exp;
5386 /* we save the real CPU data (in case of MMX usage only 'mant'
5387 contains the MMX register */
5388 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
5389 qemu_put_be64(f, mant);
5390 qemu_put_be16(f, exp);
5391 }
5392 #else
5393 /* if we use doubles for float emulation, we save the doubles to
5394 avoid losing information in case of MMX usage. It can give
5395 problems if the image is restored on a CPU where long
5396 doubles are used instead. */
5397 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
5398 #endif
5399 }
5400
5401 for(i = 0; i < 6; i++)
5402 cpu_put_seg(f, &env->segs[i]);
5403 cpu_put_seg(f, &env->ldt);
5404 cpu_put_seg(f, &env->tr);
5405 cpu_put_seg(f, &env->gdt);
5406 cpu_put_seg(f, &env->idt);
5407
5408 qemu_put_be32s(f, &env->sysenter_cs);
5409 qemu_put_be32s(f, &env->sysenter_esp);
5410 qemu_put_be32s(f, &env->sysenter_eip);
5411
5412 qemu_put_betls(f, &env->cr[0]);
5413 qemu_put_betls(f, &env->cr[2]);
5414 qemu_put_betls(f, &env->cr[3]);
5415 qemu_put_betls(f, &env->cr[4]);
5416
5417 for(i = 0; i < 8; i++)
5418 qemu_put_betls(f, &env->dr[i]);
5419
5420 /* MMU */
5421 qemu_put_be32s(f, &env->a20_mask);
5422
5423 /* XMM */
5424 qemu_put_be32s(f, &env->mxcsr);
5425 for(i = 0; i < CPU_NB_REGS; i++) {
5426 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5427 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5428 }
5429
5430 #ifdef TARGET_X86_64
5431 qemu_put_be64s(f, &env->efer);
5432 qemu_put_be64s(f, &env->star);
5433 qemu_put_be64s(f, &env->lstar);
5434 qemu_put_be64s(f, &env->cstar);
5435 qemu_put_be64s(f, &env->fmask);
5436 qemu_put_be64s(f, &env->kernelgsbase);
5437 #endif
5438 qemu_put_be32s(f, &env->smbase);
5439 }
5440
5441 #ifdef USE_X86LDOUBLE
5442 /* XXX: add that in a FPU generic layer */
5443 union x86_longdouble {
5444 uint64_t mant;
5445 uint16_t exp;
5446 };
5447
5448 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
5449 #define EXPBIAS1 1023
5450 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
5451 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
5452
5453 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
5454 {
5455 int e;
5456 /* mantissa */
5457 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
5458 /* exponent + sign */
5459 e = EXPD1(temp) - EXPBIAS1 + 16383;
5460 e |= SIGND1(temp) >> 16;
5461 p->exp = e;
5462 }
5463 #endif
5464
5465 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5466 {
5467 CPUState *env = opaque;
5468 int i, guess_mmx;
5469 uint32_t hflags;
5470 uint16_t fpus, fpuc, fptag, fpregs_format;
5471
5472 if (version_id != 3 && version_id != 4)
5473 return -EINVAL;
5474 for(i = 0; i < CPU_NB_REGS; i++)
5475 qemu_get_betls(f, &env->regs[i]);
5476 qemu_get_betls(f, &env->eip);
5477 qemu_get_betls(f, &env->eflags);
5478 qemu_get_be32s(f, &hflags);
5479
5480 qemu_get_be16s(f, &fpuc);
5481 qemu_get_be16s(f, &fpus);
5482 qemu_get_be16s(f, &fptag);
5483 qemu_get_be16s(f, &fpregs_format);
5484
5485 /* NOTE: we cannot always restore the FPU state if the image come
5486 from a host with a different 'USE_X86LDOUBLE' define. We guess
5487 if we are in an MMX state to restore correctly in that case. */
5488 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
5489 for(i = 0; i < 8; i++) {
5490 uint64_t mant;
5491 uint16_t exp;
5492
5493 switch(fpregs_format) {
5494 case 0:
5495 mant = qemu_get_be64(f);
5496 exp = qemu_get_be16(f);
5497 #ifdef USE_X86LDOUBLE
5498 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5499 #else
5500 /* difficult case */
5501 if (guess_mmx)
5502 env->fpregs[i].mmx.MMX_Q(0) = mant;
5503 else
5504 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5505 #endif
5506 break;
5507 case 1:
5508 mant = qemu_get_be64(f);
5509 #ifdef USE_X86LDOUBLE
5510 {
5511 union x86_longdouble *p;
5512 /* difficult case */
5513 p = (void *)&env->fpregs[i];
5514 if (guess_mmx) {
5515 p->mant = mant;
5516 p->exp = 0xffff;
5517 } else {
5518 fp64_to_fp80(p, mant);
5519 }
5520 }
5521 #else
5522 env->fpregs[i].mmx.MMX_Q(0) = mant;
5523 #endif
5524 break;
5525 default:
5526 return -EINVAL;
5527 }
5528 }
5529
5530 env->fpuc = fpuc;
5531 /* XXX: restore FPU round state */
5532 env->fpstt = (fpus >> 11) & 7;
5533 env->fpus = fpus & ~0x3800;
5534 fptag ^= 0xff;
5535 for(i = 0; i < 8; i++) {
5536 env->fptags[i] = (fptag >> i) & 1;
5537 }
5538
5539 for(i = 0; i < 6; i++)
5540 cpu_get_seg(f, &env->segs[i]);
5541 cpu_get_seg(f, &env->ldt);
5542 cpu_get_seg(f, &env->tr);
5543 cpu_get_seg(f, &env->gdt);
5544 cpu_get_seg(f, &env->idt);
5545
5546 qemu_get_be32s(f, &env->sysenter_cs);
5547 qemu_get_be32s(f, &env->sysenter_esp);
5548 qemu_get_be32s(f, &env->sysenter_eip);
5549
5550 qemu_get_betls(f, &env->cr[0]);
5551 qemu_get_betls(f, &env->cr[2]);
5552 qemu_get_betls(f, &env->cr[3]);
5553 qemu_get_betls(f, &env->cr[4]);
5554
5555 for(i = 0; i < 8; i++)
5556 qemu_get_betls(f, &env->dr[i]);
5557
5558 /* MMU */
5559 qemu_get_be32s(f, &env->a20_mask);
5560
5561 qemu_get_be32s(f, &env->mxcsr);
5562 for(i = 0; i < CPU_NB_REGS; i++) {
5563 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5564 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5565 }
5566
5567 #ifdef TARGET_X86_64
5568 qemu_get_be64s(f, &env->efer);
5569 qemu_get_be64s(f, &env->star);
5570 qemu_get_be64s(f, &env->lstar);
5571 qemu_get_be64s(f, &env->cstar);
5572 qemu_get_be64s(f, &env->fmask);
5573 qemu_get_be64s(f, &env->kernelgsbase);
5574 #endif
5575 if (version_id >= 4)
5576 qemu_get_be32s(f, &env->smbase);
5577
5578 /* XXX: compute hflags from scratch, except for CPL and IIF */
5579 env->hflags = hflags;
5580 tlb_flush(env, 1);
5581 return 0;
5582 }
5583
5584 #elif defined(TARGET_PPC)
5585 void cpu_save(QEMUFile *f, void *opaque)
5586 {
5587 }
5588
5589 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5590 {
5591 return 0;
5592 }
5593
5594 #elif defined(TARGET_MIPS)
5595 void cpu_save(QEMUFile *f, void *opaque)
5596 {
5597 }
5598
5599 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5600 {
5601 return 0;
5602 }
5603
5604 #elif defined(TARGET_SPARC)
5605 void cpu_save(QEMUFile *f, void *opaque)
5606 {
5607 CPUState *env = opaque;
5608 int i;
5609 uint32_t tmp;
5610
5611 for(i = 0; i < 8; i++)
5612 qemu_put_betls(f, &env->gregs[i]);
5613 for(i = 0; i < NWINDOWS * 16; i++)
5614 qemu_put_betls(f, &env->regbase[i]);
5615
5616 /* FPU */
5617 for(i = 0; i < TARGET_FPREGS; i++) {
5618 union {
5619 float32 f;
5620 uint32_t i;
5621 } u;
5622 u.f = env->fpr[i];
5623 qemu_put_be32(f, u.i);
5624 }
5625
5626 qemu_put_betls(f, &env->pc);
5627 qemu_put_betls(f, &env->npc);
5628 qemu_put_betls(f, &env->y);
5629 tmp = GET_PSR(env);
5630 qemu_put_be32(f, tmp);
5631 qemu_put_betls(f, &env->fsr);
5632 qemu_put_betls(f, &env->tbr);
5633 #ifndef TARGET_SPARC64
5634 qemu_put_be32s(f, &env->wim);
5635 /* MMU */
5636 for(i = 0; i < 16; i++)
5637 qemu_put_be32s(f, &env->mmuregs[i]);
5638 #endif
5639 }
5640
5641 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5642 {
5643 CPUState *env = opaque;
5644 int i;
5645 uint32_t tmp;
5646
5647 for(i = 0; i < 8; i++)
5648 qemu_get_betls(f, &env->gregs[i]);
5649 for(i = 0; i < NWINDOWS * 16; i++)
5650 qemu_get_betls(f, &env->regbase[i]);
5651
5652 /* FPU */
5653 for(i = 0; i < TARGET_FPREGS; i++) {
5654 union {
5655 float32 f;
5656 uint32_t i;
5657 } u;
5658 u.i = qemu_get_be32(f);
5659 env->fpr[i] = u.f;
5660 }
5661
5662 qemu_get_betls(f, &env->pc);
5663 qemu_get_betls(f, &env->npc);
5664 qemu_get_betls(f, &env->y);
5665 tmp = qemu_get_be32(f);
5666 env->cwp = 0; /* needed to ensure that the wrapping registers are
5667 correctly updated */
5668 PUT_PSR(env, tmp);
5669 qemu_get_betls(f, &env->fsr);
5670 qemu_get_betls(f, &env->tbr);
5671 #ifndef TARGET_SPARC64
5672 qemu_get_be32s(f, &env->wim);
5673 /* MMU */
5674 for(i = 0; i < 16; i++)
5675 qemu_get_be32s(f, &env->mmuregs[i]);
5676 #endif
5677 tlb_flush(env, 1);
5678 return 0;
5679 }
5680
5681 #elif defined(TARGET_ARM)
5682
5683 /* ??? Need to implement these. */
5684 void cpu_save(QEMUFile *f, void *opaque)
5685 {
5686 }
5687
5688 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5689 {
5690 return 0;
5691 }
5692
5693 #else
5694
5695 #warning No CPU save/restore functions
5696
5697 #endif
5698
5699 /***********************************************************/
5700 /* ram save/restore */
5701
5702 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
5703 {
5704 int v;
5705
5706 v = qemu_get_byte(f);
5707 switch(v) {
5708 case 0:
5709 if (qemu_get_buffer(f, buf, len) != len)
5710 return -EIO;
5711 break;
5712 case 1:
5713 v = qemu_get_byte(f);
5714 memset(buf, v, len);
5715 break;
5716 default:
5717 return -EINVAL;
5718 }
5719 return 0;
5720 }
5721
5722 static int ram_load_v1(QEMUFile *f, void *opaque)
5723 {
5724 int i, ret;
5725
5726 if (qemu_get_be32(f) != phys_ram_size)
5727 return -EINVAL;
5728 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
5729 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
5730 if (ret)
5731 return ret;
5732 }
5733 return 0;
5734 }
5735
5736 #define BDRV_HASH_BLOCK_SIZE 1024
5737 #define IOBUF_SIZE 4096
5738 #define RAM_CBLOCK_MAGIC 0xfabe
5739
5740 typedef struct RamCompressState {
5741 z_stream zstream;
5742 QEMUFile *f;
5743 uint8_t buf[IOBUF_SIZE];
5744 } RamCompressState;
5745
5746 static int ram_compress_open(RamCompressState *s, QEMUFile *f)
5747 {
5748 int ret;
5749 memset(s, 0, sizeof(*s));
5750 s->f = f;
5751 ret = deflateInit2(&s->zstream, 1,
5752 Z_DEFLATED, 15,
5753 9, Z_DEFAULT_STRATEGY);
5754 if (ret != Z_OK)
5755 return -1;
5756 s->zstream.avail_out = IOBUF_SIZE;
5757 s->zstream.next_out = s->buf;
5758 return 0;
5759 }
5760
5761 static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
5762 {
5763 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
5764 qemu_put_be16(s->f, len);
5765 qemu_put_buffer(s->f, buf, len);
5766 }
5767
5768 static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
5769 {
5770 int ret;
5771
5772 s->zstream.avail_in = len;
5773 s->zstream.next_in = (uint8_t *)buf;
5774 while (s->zstream.avail_in > 0) {
5775 ret = deflate(&s->zstream, Z_NO_FLUSH);
5776 if (ret != Z_OK)
5777 return -1;
5778 if (s->zstream.avail_out == 0) {
5779 ram_put_cblock(s, s->buf, IOBUF_SIZE);
5780 s->zstream.avail_out = IOBUF_SIZE;
5781 s->zstream.next_out = s->buf;
5782 }
5783 }
5784 return 0;
5785 }
5786
5787 static void ram_compress_close(RamCompressState *s)
5788 {
5789 int len, ret;
5790
5791 /* compress last bytes */
5792 for(;;) {
5793 ret = deflate(&s->zstream, Z_FINISH);
5794 if (ret == Z_OK || ret == Z_STREAM_END) {
5795 len = IOBUF_SIZE - s->zstream.avail_out;
5796 if (len > 0) {
5797 ram_put_cblock(s, s->buf, len);
5798 }
5799 s->zstream.avail_out = IOBUF_SIZE;
5800 s->zstream.next_out = s->buf;
5801 if (ret == Z_STREAM_END)
5802 break;
5803 } else {
5804 goto fail;
5805 }
5806 }
5807 fail:
5808 deflateEnd(&s->zstream);
5809 }
5810
5811 typedef struct RamDecompressState {
5812 z_stream zstream;
5813 QEMUFile *f;
5814 uint8_t buf[IOBUF_SIZE];
5815 } RamDecompressState;
5816
5817 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
5818 {
5819 int ret;
5820 memset(s, 0, sizeof(*s));
5821 s->f = f;
5822 ret = inflateInit(&s->zstream);
5823 if (ret != Z_OK)
5824 return -1;
5825 return 0;
5826 }
5827
5828 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
5829 {
5830 int ret, clen;
5831
5832 s->zstream.avail_out = len;
5833 s->zstream.next_out = buf;
5834 while (s->zstream.avail_out > 0) {
5835 if (s->zstream.avail_in == 0) {
5836 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
5837 return -1;
5838 clen = qemu_get_be16(s->f);
5839 if (clen > IOBUF_SIZE)
5840 return -1;
5841 qemu_get_buffer(s->f, s->buf, clen);
5842 s->zstream.avail_in = clen;
5843 s->zstream.next_in = s->buf;
5844 }
5845 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
5846 if (ret != Z_OK && ret != Z_STREAM_END) {
5847 return -1;
5848 }
5849 }
5850 return 0;
5851 }
5852
5853 static void ram_decompress_close(RamDecompressState *s)
5854 {
5855 inflateEnd(&s->zstream);
5856 }
5857
5858 static void ram_save(QEMUFile *f, void *opaque)
5859 {
5860 int i;
5861 RamCompressState s1, *s = &s1;
5862 uint8_t buf[10];
5863
5864 qemu_put_be32(f, phys_ram_size);
5865 if (ram_compress_open(s, f) < 0)
5866 return;
5867 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5868 #if 0
5869 if (tight_savevm_enabled) {
5870 int64_t sector_num;
5871 int j;
5872
5873 /* find if the memory block is available on a virtual
5874 block device */
5875 sector_num = -1;
5876 for(j = 0; j < MAX_DISKS; j++) {
5877 if (bs_table[j]) {
5878 sector_num = bdrv_hash_find(bs_table[j],
5879 phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5880 if (sector_num >= 0)
5881 break;
5882 }
5883 }
5884 if (j == MAX_DISKS)
5885 goto normal_compress;
5886 buf[0] = 1;
5887 buf[1] = j;
5888 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
5889 ram_compress_buf(s, buf, 10);
5890 } else
5891 #endif
5892 {
5893 // normal_compress:
5894 buf[0] = 0;
5895 ram_compress_buf(s, buf, 1);
5896 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5897 }
5898 }
5899 ram_compress_close(s);
5900 }
5901
5902 static int ram_load(QEMUFile *f, void *opaque, int version_id)
5903 {
5904 RamDecompressState s1, *s = &s1;
5905 uint8_t buf[10];
5906 int i;
5907
5908 if (version_id == 1)
5909 return ram_load_v1(f, opaque);
5910 if (version_id != 2)
5911 return -EINVAL;
5912 if (qemu_get_be32(f) != phys_ram_size)
5913 return -EINVAL;
5914 if (ram_decompress_open(s, f) < 0)
5915 return -EINVAL;
5916 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5917 if (ram_decompress_buf(s, buf, 1) < 0) {
5918 fprintf(stderr, "Error while reading ram block header\n");
5919 goto error;
5920 }
5921 if (buf[0] == 0) {
5922 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
5923 fprintf(stderr, "Error while reading ram block address=0x%08x", i);
5924 goto error;
5925 }
5926 } else
5927 #if 0
5928 if (buf[0] == 1) {
5929 int bs_index;
5930 int64_t sector_num;
5931
5932 ram_decompress_buf(s, buf + 1, 9);
5933 bs_index = buf[1];
5934 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
5935 if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
5936 fprintf(stderr, "Invalid block device index %d\n", bs_index);
5937 goto error;
5938 }
5939 if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
5940 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
5941 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
5942 bs_index, sector_num);
5943 goto error;
5944 }
5945 } else
5946 #endif
5947 {
5948 error:
5949 printf("Error block header\n");
5950 return -EINVAL;
5951 }
5952 }
5953 ram_decompress_close(s);
5954 return 0;
5955 }
5956
5957 /***********************************************************/
5958 /* bottom halves (can be seen as timers which expire ASAP) */
5959
5960 struct QEMUBH {
5961 QEMUBHFunc *cb;
5962 void *opaque;
5963 int scheduled;
5964 QEMUBH *next;
5965 };
5966
5967 static QEMUBH *first_bh = NULL;
5968
5969 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
5970 {
5971 QEMUBH *bh;
5972 bh = qemu_mallocz(sizeof(QEMUBH));
5973 if (!bh)
5974 return NULL;
5975 bh->cb = cb;
5976 bh->opaque = opaque;
5977 return bh;
5978 }
5979
5980 int qemu_bh_poll(void)
5981 {
5982 QEMUBH *bh, **pbh;
5983 int ret;
5984
5985 ret = 0;
5986 for(;;) {
5987 pbh = &first_bh;
5988 bh = *pbh;
5989 if (!bh)
5990 break;
5991 ret = 1;
5992 *pbh = bh->next;
5993 bh->scheduled = 0;
5994 bh->cb(bh->opaque);
5995 }
5996 return ret;
5997 }
5998
5999 void qemu_bh_schedule(QEMUBH *bh)
6000 {
6001 CPUState *env = cpu_single_env;
6002 if (bh->scheduled)
6003 return;
6004 bh->scheduled = 1;
6005 bh->next = first_bh;
6006 first_bh = bh;
6007
6008 /* stop the currently executing CPU to execute the BH ASAP */
6009 if (env) {
6010 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
6011 }
6012 }
6013
6014 void qemu_bh_cancel(QEMUBH *bh)
6015 {
6016 QEMUBH **pbh;
6017 if (bh->scheduled) {
6018 pbh = &first_bh;
6019 while (*pbh != bh)
6020 pbh = &(*pbh)->next;
6021 *pbh = bh->next;
6022 bh->scheduled = 0;
6023 }
6024 }
6025
6026 void qemu_bh_delete(QEMUBH *bh)
6027 {
6028 qemu_bh_cancel(bh);
6029 qemu_free(bh);
6030 }
6031
6032 /***********************************************************/
6033 /* machine registration */
6034
6035 QEMUMachine *first_machine = NULL;
6036
6037 int qemu_register_machine(QEMUMachine *m)
6038 {
6039 QEMUMachine **pm;
6040 pm = &first_machine;
6041 while (*pm != NULL)
6042 pm = &(*pm)->next;
6043 m->next = NULL;
6044 *pm = m;
6045 return 0;
6046 }
6047
6048 QEMUMachine *find_machine(const char *name)
6049 {
6050 QEMUMachine *m;
6051
6052 for(m = first_machine; m != NULL; m = m->next) {
6053 if (!strcmp(m->name, name))
6054 return m;
6055 }
6056 return NULL;
6057 }
6058
6059 /***********************************************************/
6060 /* main execution loop */
6061
6062 void gui_update(void *opaque)
6063 {
6064 display_state.dpy_refresh(&display_state);
6065 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
6066 }
6067
6068 struct vm_change_state_entry {
6069 VMChangeStateHandler *cb;
6070 void *opaque;
6071 LIST_ENTRY (vm_change_state_entry) entries;
6072 };
6073
6074 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
6075
6076 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
6077 void *opaque)
6078 {
6079 VMChangeStateEntry *e;
6080
6081 e = qemu_mallocz(sizeof (*e));
6082 if (!e)
6083 return NULL;
6084
6085 e->cb = cb;
6086 e->opaque = opaque;
6087 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
6088 return e;
6089 }
6090
6091 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
6092 {
6093 LIST_REMOVE (e, entries);
6094 qemu_free (e);
6095 }
6096
6097 static void vm_state_notify(int running)
6098 {
6099 VMChangeStateEntry *e;
6100
6101 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
6102 e->cb(e->opaque, running);
6103 }
6104 }
6105
6106 /* XXX: support several handlers */
6107 static VMStopHandler *vm_stop_cb;
6108 static void *vm_stop_opaque;
6109
6110 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
6111 {
6112 vm_stop_cb = cb;
6113 vm_stop_opaque = opaque;
6114 return 0;
6115 }
6116
6117 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
6118 {
6119 vm_stop_cb = NULL;
6120 }
6121
6122 void vm_start(void)
6123 {
6124 if (!vm_running) {
6125 cpu_enable_ticks();
6126 vm_running = 1;
6127 vm_state_notify(1);
6128 }
6129 }
6130
6131 void vm_stop(int reason)
6132 {
6133 if (vm_running) {
6134 cpu_disable_ticks();
6135 vm_running = 0;
6136 if (reason != 0) {
6137 if (vm_stop_cb) {
6138 vm_stop_cb(vm_stop_opaque, reason);
6139 }
6140 }
6141 vm_state_notify(0);
6142 }
6143 }
6144
6145 /* reset/shutdown handler */
6146
6147 typedef struct QEMUResetEntry {
6148 QEMUResetHandler *func;
6149 void *opaque;
6150 struct QEMUResetEntry *next;
6151 } QEMUResetEntry;
6152
6153 static QEMUResetEntry *first_reset_entry;
6154 static int reset_requested;
6155 static int shutdown_requested;
6156 static int powerdown_requested;
6157
6158 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
6159 {
6160 QEMUResetEntry **pre, *re;
6161
6162 pre = &first_reset_entry;
6163 while (*pre != NULL)
6164 pre = &(*pre)->next;
6165 re = qemu_mallocz(sizeof(QEMUResetEntry));
6166 re->func = func;
6167 re->opaque = opaque;
6168 re->next = NULL;
6169 *pre = re;
6170 }
6171
6172 static void qemu_system_reset(void)
6173 {
6174 QEMUResetEntry *re;
6175
6176 /* reset all devices */
6177 for(re = first_reset_entry; re != NULL; re = re->next) {
6178 re->func(re->opaque);
6179 }
6180 }
6181
6182 void qemu_system_reset_request(void)
6183 {
6184 if (no_reboot) {
6185 shutdown_requested = 1;
6186 } else {
6187 reset_requested = 1;
6188 }
6189 if (cpu_single_env)
6190 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6191 }
6192
6193 void qemu_system_shutdown_request(void)
6194 {
6195 shutdown_requested = 1;
6196 if (cpu_single_env)
6197 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6198 }
6199
6200 void qemu_system_powerdown_request(void)
6201 {
6202 powerdown_requested = 1;
6203 if (cpu_single_env)
6204 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6205 }
6206
6207 void main_loop_wait(int timeout)
6208 {
6209 IOHandlerRecord *ioh;
6210 fd_set rfds, wfds, xfds;
6211 int ret, nfds;
6212 #ifdef _WIN32
6213 int ret2, i;
6214 #endif
6215 struct timeval tv;
6216 PollingEntry *pe;
6217
6218
6219 /* XXX: need to suppress polling by better using win32 events */
6220 ret = 0;
6221 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
6222 ret |= pe->func(pe->opaque);
6223 }
6224 #ifdef _WIN32
6225 if (ret == 0) {
6226 int err;
6227 WaitObjects *w = &wait_objects;
6228
6229 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
6230 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
6231 if (w->func[ret - WAIT_OBJECT_0])
6232 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
6233
6234 /* Check for additional signaled events */
6235 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
6236
6237 /* Check if event is signaled */
6238 ret2 = WaitForSingleObject(w->events[i], 0);
6239 if(ret2 == WAIT_OBJECT_0) {
6240 if (w->func[i])
6241 w->func[i](w->opaque[i]);
6242 } else if (ret2 == WAIT_TIMEOUT) {
6243 } else {
6244 err = GetLastError();
6245 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
6246 }
6247 }
6248 } else if (ret == WAIT_TIMEOUT) {
6249 } else {
6250 err = GetLastError();
6251 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
6252 }
6253 }
6254 #endif
6255 /* poll any events */
6256 /* XXX: separate device handlers from system ones */
6257 nfds = -1;
6258 FD_ZERO(&rfds);
6259 FD_ZERO(&wfds);
6260 FD_ZERO(&xfds);
6261 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6262 if (ioh->deleted)
6263 continue;
6264 if (ioh->fd_read &&
6265 (!ioh->fd_read_poll ||
6266 ioh->fd_read_poll(ioh->opaque) != 0)) {
6267 FD_SET(ioh->fd, &rfds);
6268 if (ioh->fd > nfds)
6269 nfds = ioh->fd;
6270 }
6271 if (ioh->fd_write) {
6272 FD_SET(ioh->fd, &wfds);
6273 if (ioh->fd > nfds)
6274 nfds = ioh->fd;
6275 }
6276 }
6277
6278 tv.tv_sec = 0;
6279 #ifdef _WIN32
6280 tv.tv_usec = 0;
6281 #else
6282 tv.tv_usec = timeout * 1000;
6283 #endif
6284 #if defined(CONFIG_SLIRP)
6285 if (slirp_inited) {
6286 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
6287 }
6288 #endif
6289 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
6290 if (ret > 0) {
6291 IOHandlerRecord **pioh;
6292
6293 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6294 if (ioh->deleted)
6295 continue;
6296 if (FD_ISSET(ioh->fd, &rfds)) {
6297 ioh->fd_read(ioh->opaque);
6298 }
6299 if (FD_ISSET(ioh->fd, &wfds)) {
6300 ioh->fd_write(ioh->opaque);
6301 }
6302 }
6303
6304 /* remove deleted IO handlers */
6305 pioh = &first_io_handler;
6306 while (*pioh) {
6307 ioh = *pioh;
6308 if (ioh->deleted) {
6309 *pioh = ioh->next;
6310 qemu_free(ioh);
6311 } else
6312 pioh = &ioh->next;
6313 }
6314 }
6315 #if defined(CONFIG_SLIRP)
6316 if (slirp_inited) {
6317 if (ret < 0) {
6318 FD_ZERO(&rfds);
6319 FD_ZERO(&wfds);
6320 FD_ZERO(&xfds);
6321 }
6322 slirp_select_poll(&rfds, &wfds, &xfds);
6323 }
6324 #endif
6325 qemu_aio_poll();
6326 qemu_bh_poll();
6327
6328 if (vm_running) {
6329 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
6330 qemu_get_clock(vm_clock));
6331 /* run dma transfers, if any */
6332 DMA_run();
6333 }
6334
6335 /* real time timers */
6336 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
6337 qemu_get_clock(rt_clock));
6338 }
6339
6340 static CPUState *cur_cpu;
6341
6342 int main_loop(void)
6343 {
6344 int ret, timeout;
6345 #ifdef CONFIG_PROFILER
6346 int64_t ti;
6347 #endif
6348 CPUState *env;
6349
6350 cur_cpu = first_cpu;
6351 for(;;) {
6352 if (vm_running) {
6353
6354 env = cur_cpu;
6355 for(;;) {
6356 /* get next cpu */
6357 env = env->next_cpu;
6358 if (!env)
6359 env = first_cpu;
6360 #ifdef CONFIG_PROFILER
6361 ti = profile_getclock();
6362 #endif
6363 ret = cpu_exec(env);
6364 #ifdef CONFIG_PROFILER
6365 qemu_time += profile_getclock() - ti;
6366 #endif
6367 if (ret == EXCP_HLT) {
6368 /* Give the next CPU a chance to run. */
6369 cur_cpu = env;
6370 continue;
6371 }
6372 if (ret != EXCP_HALTED)
6373 break;
6374 /* all CPUs are halted ? */
6375 if (env == cur_cpu)
6376 break;
6377 }
6378 cur_cpu = env;
6379
6380 if (shutdown_requested) {
6381 ret = EXCP_INTERRUPT;
6382 break;
6383 }
6384 if (reset_requested) {
6385 reset_requested = 0;
6386 qemu_system_reset();
6387 ret = EXCP_INTERRUPT;
6388 }
6389 if (powerdown_requested) {
6390 powerdown_requested = 0;
6391 qemu_system_powerdown();
6392 ret = EXCP_INTERRUPT;
6393 }
6394 if (ret == EXCP_DEBUG) {
6395 vm_stop(EXCP_DEBUG);
6396 }
6397 /* If all cpus are halted then wait until the next IRQ */
6398 /* XXX: use timeout computed from timers */
6399 if (ret == EXCP_HALTED)
6400 timeout = 10;
6401 else
6402 timeout = 0;
6403 } else {
6404 timeout = 10;
6405 }
6406 #ifdef CONFIG_PROFILER
6407 ti = profile_getclock();
6408 #endif
6409 main_loop_wait(timeout);
6410 #ifdef CONFIG_PROFILER
6411 dev_time += profile_getclock() - ti;
6412 #endif
6413 }
6414 cpu_disable_ticks();
6415 return ret;
6416 }
6417
6418 void help(void)
6419 {
6420 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
6421 "usage: %s [options] [disk_image]\n"
6422 "\n"
6423 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
6424 "\n"
6425 "Standard options:\n"
6426 "-M machine select emulated machine (-M ? for list)\n"
6427 "-cpu cpu select CPU (-cpu ? for list)\n"
6428 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
6429 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
6430 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
6431 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
6432 "-mtdblock file use 'file' as on-board Flash memory image\n"
6433 "-sd file use 'file' as SecureDigital card image\n"
6434 "-pflash file use 'file' as a parallel flash image\n"
6435 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
6436 "-snapshot write to temporary files instead of disk image files\n"
6437 #ifdef CONFIG_SDL
6438 "-no-frame open SDL window without a frame and window decorations\n"
6439 "-no-quit disable SDL window close capability\n"
6440 #endif
6441 #ifdef TARGET_I386
6442 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
6443 #endif
6444 "-m megs set virtual RAM size to megs MB [default=%d]\n"
6445 "-smp n set the number of CPUs to 'n' [default=1]\n"
6446 "-nographic disable graphical output and redirect serial I/Os to console\n"
6447 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
6448 #ifndef _WIN32
6449 "-k language use keyboard layout (for example \"fr\" for French)\n"
6450 #endif
6451 #ifdef HAS_AUDIO
6452 "-audio-help print list of audio drivers and their options\n"
6453 "-soundhw c1,... enable audio support\n"
6454 " and only specified sound cards (comma separated list)\n"
6455 " use -soundhw ? to get the list of supported cards\n"
6456 " use -soundhw all to enable all of them\n"
6457 #endif
6458 "-localtime set the real time clock to local time [default=utc]\n"
6459 "-full-screen start in full screen\n"
6460 #ifdef TARGET_I386
6461 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
6462 #endif
6463 "-usb enable the USB driver (will be the default soon)\n"
6464 "-usbdevice name add the host or guest USB device 'name'\n"
6465 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6466 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
6467 #endif
6468 "-name string set the name of the guest\n"
6469 "\n"
6470 "Network options:\n"
6471 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
6472 " create a new Network Interface Card and connect it to VLAN 'n'\n"
6473 #ifdef CONFIG_SLIRP
6474 "-net user[,vlan=n][,hostname=host]\n"
6475 " connect the user mode network stack to VLAN 'n' and send\n"
6476 " hostname 'host' to DHCP clients\n"
6477 #endif
6478 #ifdef _WIN32
6479 "-net tap[,vlan=n],ifname=name\n"
6480 " connect the host TAP network interface to VLAN 'n'\n"
6481 #else
6482 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
6483 " connect the host TAP network interface to VLAN 'n' and use\n"
6484 " the network script 'file' (default=%s);\n"
6485 " use 'script=no' to disable script execution;\n"
6486 " use 'fd=h' to connect to an already opened TAP interface\n"
6487 #endif
6488 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
6489 " connect the vlan 'n' to another VLAN using a socket connection\n"
6490 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
6491 " connect the vlan 'n' to multicast maddr and port\n"
6492 "-net none use it alone to have zero network devices; if no -net option\n"
6493 " is provided, the default is '-net nic -net user'\n"
6494 "\n"
6495 #ifdef CONFIG_SLIRP
6496 "-tftp dir allow tftp access to files in dir [-net user]\n"
6497 "-bootp file advertise file in BOOTP replies\n"
6498 #ifndef _WIN32
6499 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
6500 #endif
6501 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
6502 " redirect TCP or UDP connections from host to guest [-net user]\n"
6503 #endif
6504 "\n"
6505 "Linux boot specific:\n"
6506 "-kernel bzImage use 'bzImage' as kernel image\n"
6507 "-append cmdline use 'cmdline' as kernel command line\n"
6508 "-initrd file use 'file' as initial ram disk\n"
6509 "\n"
6510 "Debug/Expert options:\n"
6511 "-monitor dev redirect the monitor to char device 'dev'\n"
6512 "-serial dev redirect the serial port to char device 'dev'\n"
6513 "-parallel dev redirect the parallel port to char device 'dev'\n"
6514 "-pidfile file Write PID to 'file'\n"
6515 "-S freeze CPU at startup (use 'c' to start execution)\n"
6516 "-s wait gdb connection to port\n"
6517 "-p port set gdb connection port [default=%s]\n"
6518 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
6519 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
6520 " translation (t=none or lba) (usually qemu can guess them)\n"
6521 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
6522 #ifdef USE_KQEMU
6523 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
6524 "-no-kqemu disable KQEMU kernel module usage\n"
6525 #endif
6526 #ifdef USE_CODE_COPY
6527 "-no-code-copy disable code copy acceleration\n"
6528 #endif
6529 #ifdef TARGET_I386
6530 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
6531 " (default is CL-GD5446 PCI VGA)\n"
6532 "-no-acpi disable ACPI\n"
6533 #endif
6534 "-no-reboot exit instead of rebooting\n"
6535 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
6536 "-vnc display start a VNC server on display\n"
6537 #ifndef _WIN32
6538 "-daemonize daemonize QEMU after initializing\n"
6539 #endif
6540 "-option-rom rom load a file, rom, into the option ROM space\n"
6541 #ifdef TARGET_SPARC
6542 "-prom-env variable=value set OpenBIOS nvram variables\n"
6543 #endif
6544 "\n"
6545 "During emulation, the following keys are useful:\n"
6546 "ctrl-alt-f toggle full screen\n"
6547 "ctrl-alt-n switch to virtual console 'n'\n"
6548 "ctrl-alt toggle mouse and keyboard grab\n"
6549 "\n"
6550 "When using -nographic, press 'ctrl-a h' to get some help.\n"
6551 ,
6552 "qemu",
6553 DEFAULT_RAM_SIZE,
6554 #ifndef _WIN32
6555 DEFAULT_NETWORK_SCRIPT,
6556 #endif
6557 DEFAULT_GDBSTUB_PORT,
6558 "/tmp/qemu.log");
6559 exit(1);
6560 }
6561
6562 #define HAS_ARG 0x0001
6563
6564 enum {
6565 QEMU_OPTION_h,
6566
6567 QEMU_OPTION_M,
6568 QEMU_OPTION_cpu,
6569 QEMU_OPTION_fda,
6570 QEMU_OPTION_fdb,
6571 QEMU_OPTION_hda,
6572 QEMU_OPTION_hdb,
6573 QEMU_OPTION_hdc,
6574 QEMU_OPTION_hdd,
6575 QEMU_OPTION_cdrom,
6576 QEMU_OPTION_mtdblock,
6577 QEMU_OPTION_sd,
6578 QEMU_OPTION_pflash,
6579 QEMU_OPTION_boot,
6580 QEMU_OPTION_snapshot,
6581 #ifdef TARGET_I386
6582 QEMU_OPTION_no_fd_bootchk,
6583 #endif
6584 QEMU_OPTION_m,
6585 QEMU_OPTION_nographic,
6586 QEMU_OPTION_portrait,
6587 #ifdef HAS_AUDIO
6588 QEMU_OPTION_audio_help,
6589 QEMU_OPTION_soundhw,
6590 #endif
6591
6592 QEMU_OPTION_net,
6593 QEMU_OPTION_tftp,
6594 QEMU_OPTION_bootp,
6595 QEMU_OPTION_smb,
6596 QEMU_OPTION_redir,
6597
6598 QEMU_OPTION_kernel,
6599 QEMU_OPTION_append,
6600 QEMU_OPTION_initrd,
6601
6602 QEMU_OPTION_S,
6603 QEMU_OPTION_s,
6604 QEMU_OPTION_p,
6605 QEMU_OPTION_d,
6606 QEMU_OPTION_hdachs,
6607 QEMU_OPTION_L,
6608 QEMU_OPTION_no_code_copy,
6609 QEMU_OPTION_k,
6610 QEMU_OPTION_localtime,
6611 QEMU_OPTION_cirrusvga,
6612 QEMU_OPTION_vmsvga,
6613 QEMU_OPTION_g,
6614 QEMU_OPTION_std_vga,
6615 QEMU_OPTION_echr,
6616 QEMU_OPTION_monitor,
6617 QEMU_OPTION_serial,
6618 QEMU_OPTION_parallel,
6619 QEMU_OPTION_loadvm,
6620 QEMU_OPTION_full_screen,
6621 QEMU_OPTION_no_frame,
6622 QEMU_OPTION_no_quit,
6623 QEMU_OPTION_pidfile,
6624 QEMU_OPTION_no_kqemu,
6625 QEMU_OPTION_kernel_kqemu,
6626 QEMU_OPTION_win2k_hack,
6627 QEMU_OPTION_usb,
6628 QEMU_OPTION_usbdevice,
6629 QEMU_OPTION_smp,
6630 QEMU_OPTION_vnc,
6631 QEMU_OPTION_no_acpi,
6632 QEMU_OPTION_no_reboot,
6633 QEMU_OPTION_show_cursor,
6634 QEMU_OPTION_daemonize,
6635 QEMU_OPTION_option_rom,
6636 QEMU_OPTION_semihosting,
6637 QEMU_OPTION_name,
6638 QEMU_OPTION_prom_env,
6639 };
6640
6641 typedef struct QEMUOption {
6642 const char *name;
6643 int flags;
6644 int index;
6645 } QEMUOption;
6646
6647 const QEMUOption qemu_options[] = {
6648 { "h", 0, QEMU_OPTION_h },
6649 { "help", 0, QEMU_OPTION_h },
6650
6651 { "M", HAS_ARG, QEMU_OPTION_M },
6652 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
6653 { "fda", HAS_ARG, QEMU_OPTION_fda },
6654 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
6655 { "hda", HAS_ARG, QEMU_OPTION_hda },
6656 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
6657 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
6658 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
6659 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
6660 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
6661 { "sd", HAS_ARG, QEMU_OPTION_sd },
6662 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
6663 { "boot", HAS_ARG, QEMU_OPTION_boot },
6664 { "snapshot", 0, QEMU_OPTION_snapshot },
6665 #ifdef TARGET_I386
6666 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
6667 #endif
6668 { "m", HAS_ARG, QEMU_OPTION_m },
6669 { "nographic", 0, QEMU_OPTION_nographic },
6670 { "portrait", 0, QEMU_OPTION_portrait },
6671 { "k", HAS_ARG, QEMU_OPTION_k },
6672 #ifdef HAS_AUDIO
6673 { "audio-help", 0, QEMU_OPTION_audio_help },
6674 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
6675 #endif
6676
6677 { "net", HAS_ARG, QEMU_OPTION_net},
6678 #ifdef CONFIG_SLIRP
6679 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
6680 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
6681 #ifndef _WIN32
6682 { "smb", HAS_ARG, QEMU_OPTION_smb },
6683 #endif
6684 { "redir", HAS_ARG, QEMU_OPTION_redir },
6685 #endif
6686
6687 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
6688 { "append", HAS_ARG, QEMU_OPTION_append },
6689 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
6690
6691 { "S", 0, QEMU_OPTION_S },
6692 { "s", 0, QEMU_OPTION_s },
6693 { "p", HAS_ARG, QEMU_OPTION_p },
6694 { "d", HAS_ARG, QEMU_OPTION_d },
6695 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
6696 { "L", HAS_ARG, QEMU_OPTION_L },
6697 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
6698 #ifdef USE_KQEMU
6699 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
6700 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
6701 #endif
6702 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6703 { "g", 1, QEMU_OPTION_g },
6704 #endif
6705 { "localtime", 0, QEMU_OPTION_localtime },
6706 { "std-vga", 0, QEMU_OPTION_std_vga },
6707 { "echr", 1, QEMU_OPTION_echr },
6708 { "monitor", 1, QEMU_OPTION_monitor },
6709 { "serial", 1, QEMU_OPTION_serial },
6710 { "parallel", 1, QEMU_OPTION_parallel },
6711 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
6712 { "full-screen", 0, QEMU_OPTION_full_screen },
6713 #ifdef CONFIG_SDL
6714 { "no-frame", 0, QEMU_OPTION_no_frame },
6715 { "no-quit", 0, QEMU_OPTION_no_quit },
6716 #endif
6717 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
6718 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
6719 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6720 { "smp", HAS_ARG, QEMU_OPTION_smp },
6721 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
6722
6723 /* temporary options */
6724 { "usb", 0, QEMU_OPTION_usb },
6725 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
6726 { "vmwarevga", 0, QEMU_OPTION_vmsvga },
6727 { "no-acpi", 0, QEMU_OPTION_no_acpi },
6728 { "no-reboot", 0, QEMU_OPTION_no_reboot },
6729 { "show-cursor", 0, QEMU_OPTION_show_cursor },
6730 { "daemonize", 0, QEMU_OPTION_daemonize },
6731 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
6732 #if defined(TARGET_ARM)
6733 { "semihosting", 0, QEMU_OPTION_semihosting },
6734 #endif
6735 { "name", HAS_ARG, QEMU_OPTION_name },
6736 #if defined(TARGET_SPARC)
6737 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
6738 #endif
6739 { NULL },
6740 };
6741
6742 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
6743
6744 /* this stack is only used during signal handling */
6745 #define SIGNAL_STACK_SIZE 32768
6746
6747 static uint8_t *signal_stack;
6748
6749 #endif
6750
6751 /* password input */
6752
6753 int qemu_key_check(BlockDriverState *bs, const char *name)
6754 {
6755 char password[256];
6756 int i;
6757
6758 if (!bdrv_is_encrypted(bs))
6759 return 0;
6760
6761 term_printf("%s is encrypted.\n", name);
6762 for(i = 0; i < 3; i++) {
6763 monitor_readline("Password: ", 1, password, sizeof(password));
6764 if (bdrv_set_key(bs, password) == 0)
6765 return 0;
6766 term_printf("invalid password\n");
6767 }
6768 return -EPERM;
6769 }
6770
6771 static BlockDriverState *get_bdrv(int index)
6772 {
6773 BlockDriverState *bs;
6774
6775 if (index < 4) {
6776 bs = bs_table[index];
6777 } else if (index < 6) {
6778 bs = fd_table[index - 4];
6779 } else {
6780 bs = NULL;
6781 }
6782 return bs;
6783 }
6784
6785 static void read_passwords(void)
6786 {
6787 BlockDriverState *bs;
6788 int i;
6789
6790 for(i = 0; i < 6; i++) {
6791 bs = get_bdrv(i);
6792 if (bs)
6793 qemu_key_check(bs, bdrv_get_device_name(bs));
6794 }
6795 }
6796
6797 /* XXX: currently we cannot use simultaneously different CPUs */
6798 void register_machines(void)
6799 {
6800 #if defined(TARGET_I386)
6801 qemu_register_machine(&pc_machine);
6802 qemu_register_machine(&isapc_machine);
6803 #elif defined(TARGET_PPC)
6804 qemu_register_machine(&heathrow_machine);
6805 qemu_register_machine(&core99_machine);
6806 qemu_register_machine(&prep_machine);
6807 qemu_register_machine(&ref405ep_machine);
6808 qemu_register_machine(&taihu_machine);
6809 #elif defined(TARGET_MIPS)
6810 qemu_register_machine(&mips_machine);
6811 qemu_register_machine(&mips_malta_machine);
6812 qemu_register_machine(&mips_pica61_machine);
6813 #elif defined(TARGET_SPARC)
6814 #ifdef TARGET_SPARC64
6815 qemu_register_machine(&sun4u_machine);
6816 #else
6817 qemu_register_machine(&ss5_machine);
6818 qemu_register_machine(&ss10_machine);
6819 #endif
6820 #elif defined(TARGET_ARM)
6821 qemu_register_machine(&integratorcp_machine);
6822 qemu_register_machine(&versatilepb_machine);
6823 qemu_register_machine(&versatileab_machine);
6824 qemu_register_machine(&realview_machine);
6825 qemu_register_machine(&akitapda_machine);
6826 qemu_register_machine(&spitzpda_machine);
6827 qemu_register_machine(&borzoipda_machine);
6828 qemu_register_machine(&terrierpda_machine);
6829 #elif defined(TARGET_SH4)
6830 qemu_register_machine(&shix_machine);
6831 #elif defined(TARGET_ALPHA)
6832 /* XXX: TODO */
6833 #else
6834 #error unsupported CPU
6835 #endif
6836 }
6837
6838 #ifdef HAS_AUDIO
6839 struct soundhw soundhw[] = {
6840 #ifdef HAS_AUDIO_CHOICE
6841 #ifdef TARGET_I386
6842 {
6843 "pcspk",
6844 "PC speaker",
6845 0,
6846 1,
6847 { .init_isa = pcspk_audio_init }
6848 },
6849 #endif
6850 {
6851 "sb16",
6852 "Creative Sound Blaster 16",
6853 0,
6854 1,
6855 { .init_isa = SB16_init }
6856 },
6857
6858 #ifdef CONFIG_ADLIB
6859 {
6860 "adlib",
6861 #ifdef HAS_YMF262
6862 "Yamaha YMF262 (OPL3)",
6863 #else
6864 "Yamaha YM3812 (OPL2)",
6865 #endif
6866 0,
6867 1,
6868 { .init_isa = Adlib_init }
6869 },
6870 #endif
6871
6872 #ifdef CONFIG_GUS
6873 {
6874 "gus",
6875 "Gravis Ultrasound GF1",
6876 0,
6877 1,
6878 { .init_isa = GUS_init }
6879 },
6880 #endif
6881
6882 {
6883 "es1370",
6884 "ENSONIQ AudioPCI ES1370",
6885 0,
6886 0,
6887 { .init_pci = es1370_init }
6888 },
6889 #endif
6890
6891 { NULL, NULL, 0, 0, { NULL } }
6892 };
6893
6894 static void select_soundhw (const char *optarg)
6895 {
6896 struct soundhw *c;
6897
6898 if (*optarg == '?') {
6899 show_valid_cards:
6900
6901 printf ("Valid sound card names (comma separated):\n");
6902 for (c = soundhw; c->name; ++c) {
6903 printf ("%-11s %s\n", c->name, c->descr);
6904 }
6905 printf ("\n-soundhw all will enable all of the above\n");
6906 exit (*optarg != '?');
6907 }
6908 else {
6909 size_t l;
6910 const char *p;
6911 char *e;
6912 int bad_card = 0;
6913
6914 if (!strcmp (optarg, "all")) {
6915 for (c = soundhw; c->name; ++c) {
6916 c->enabled = 1;
6917 }
6918 return;
6919 }
6920
6921 p = optarg;
6922 while (*p) {
6923 e = strchr (p, ',');
6924 l = !e ? strlen (p) : (size_t) (e - p);
6925
6926 for (c = soundhw; c->name; ++c) {
6927 if (!strncmp (c->name, p, l)) {
6928 c->enabled = 1;
6929 break;
6930 }
6931 }
6932
6933 if (!c->name) {
6934 if (l > 80) {
6935 fprintf (stderr,
6936 "Unknown sound card name (too big to show)\n");
6937 }
6938 else {
6939 fprintf (stderr, "Unknown sound card name `%.*s'\n",
6940 (int) l, p);
6941 }
6942 bad_card = 1;
6943 }
6944 p += l + (e != NULL);
6945 }
6946
6947 if (bad_card)
6948 goto show_valid_cards;
6949 }
6950 }
6951 #endif
6952
6953 #ifdef _WIN32
6954 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
6955 {
6956 exit(STATUS_CONTROL_C_EXIT);
6957 return TRUE;
6958 }
6959 #endif
6960
6961 #define MAX_NET_CLIENTS 32
6962
6963 int main(int argc, char **argv)
6964 {
6965 #ifdef CONFIG_GDBSTUB
6966 int use_gdbstub;
6967 const char *gdbstub_port;
6968 #endif
6969 int i, cdrom_index, pflash_index;
6970 int snapshot, linux_boot;
6971 const char *initrd_filename;
6972 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
6973 const char *pflash_filename[MAX_PFLASH];
6974 const char *sd_filename;
6975 const char *mtd_filename;
6976 const char *kernel_filename, *kernel_cmdline;
6977 DisplayState *ds = &display_state;
6978 int cyls, heads, secs, translation;
6979 char net_clients[MAX_NET_CLIENTS][256];
6980 int nb_net_clients;
6981 int optind;
6982 const char *r, *optarg;
6983 CharDriverState *monitor_hd;
6984 char monitor_device[128];
6985 char serial_devices[MAX_SERIAL_PORTS][128];
6986 int serial_device_index;
6987 char parallel_devices[MAX_PARALLEL_PORTS][128];
6988 int parallel_device_index;
6989 const char *loadvm = NULL;
6990 QEMUMachine *machine;
6991 const char *cpu_model;
6992 char usb_devices[MAX_USB_CMDLINE][128];
6993 int usb_devices_index;
6994 int fds[2];
6995 const char *pid_file = NULL;
6996
6997 LIST_INIT (&vm_change_state_head);
6998 #ifndef _WIN32
6999 {
7000 struct sigaction act;
7001 sigfillset(&act.sa_mask);
7002 act.sa_flags = 0;
7003 act.sa_handler = SIG_IGN;
7004 sigaction(SIGPIPE, &act, NULL);
7005 }
7006 #else
7007 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
7008 /* Note: cpu_interrupt() is currently not SMP safe, so we force
7009 QEMU to run on a single CPU */
7010 {
7011 HANDLE h;
7012 DWORD mask, smask;
7013 int i;
7014 h = GetCurrentProcess();
7015 if (GetProcessAffinityMask(h, &mask, &smask)) {
7016 for(i = 0; i < 32; i++) {
7017 if (mask & (1 << i))
7018 break;
7019 }
7020 if (i != 32) {
7021 mask = 1 << i;
7022 SetProcessAffinityMask(h, mask);
7023 }
7024 }
7025 }
7026 #endif
7027
7028 register_machines();
7029 machine = first_machine;
7030 cpu_model = NULL;
7031 initrd_filename = NULL;
7032 for(i = 0; i < MAX_FD; i++)
7033 fd_filename[i] = NULL;
7034 for(i = 0; i < MAX_DISKS; i++)
7035 hd_filename[i] = NULL;
7036 for(i = 0; i < MAX_PFLASH; i++)
7037 pflash_filename[i] = NULL;
7038 pflash_index = 0;
7039 sd_filename = NULL;
7040 mtd_filename = NULL;
7041 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
7042 vga_ram_size = VGA_RAM_SIZE;
7043 #ifdef CONFIG_GDBSTUB
7044 use_gdbstub = 0;
7045 gdbstub_port = DEFAULT_GDBSTUB_PORT;
7046 #endif
7047 snapshot = 0;
7048 nographic = 0;
7049 kernel_filename = NULL;
7050 kernel_cmdline = "";
7051 #ifdef TARGET_PPC
7052 cdrom_index = 1;
7053 #else
7054 cdrom_index = 2;
7055 #endif
7056 cyls = heads = secs = 0;
7057 translation = BIOS_ATA_TRANSLATION_AUTO;
7058 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
7059
7060 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
7061 for(i = 1; i < MAX_SERIAL_PORTS; i++)
7062 serial_devices[i][0] = '\0';
7063 serial_device_index = 0;
7064
7065 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
7066 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
7067 parallel_devices[i][0] = '\0';
7068 parallel_device_index = 0;
7069
7070 usb_devices_index = 0;
7071
7072 nb_net_clients = 0;
7073
7074 nb_nics = 0;
7075 /* default mac address of the first network interface */
7076
7077 optind = 1;
7078 for(;;) {
7079 if (optind >= argc)
7080 break;
7081 r = argv[optind];
7082 if (r[0] != '-') {
7083 hd_filename[0] = argv[optind++];
7084 } else {
7085 const QEMUOption *popt;
7086
7087 optind++;
7088 /* Treat --foo the same as -foo. */
7089 if (r[1] == '-')
7090 r++;
7091 popt = qemu_options;
7092 for(;;) {
7093 if (!popt->name) {
7094 fprintf(stderr, "%s: invalid option -- '%s'\n",
7095 argv[0], r);
7096 exit(1);
7097 }
7098 if (!strcmp(popt->name, r + 1))
7099 break;
7100 popt++;
7101 }
7102 if (popt->flags & HAS_ARG) {
7103 if (optind >= argc) {
7104 fprintf(stderr, "%s: option '%s' requires an argument\n",
7105 argv[0], r);
7106 exit(1);
7107 }
7108 optarg = argv[optind++];
7109 } else {
7110 optarg = NULL;
7111 }
7112
7113 switch(popt->index) {
7114 case QEMU_OPTION_M:
7115 machine = find_machine(optarg);
7116 if (!machine) {
7117 QEMUMachine *m;
7118 printf("Supported machines are:\n");
7119 for(m = first_machine; m != NULL; m = m->next) {
7120 printf("%-10s %s%s\n",
7121 m->name, m->desc,
7122 m == first_machine ? " (default)" : "");
7123 }
7124 exit(1);
7125 }
7126 break;
7127 case QEMU_OPTION_cpu:
7128 /* hw initialization will check this */
7129 if (optarg[0] == '?') {
7130 #if defined(TARGET_PPC)
7131 ppc_cpu_list(stdout, &fprintf);
7132 #elif defined(TARGET_ARM)
7133 arm_cpu_list();
7134 #elif defined(TARGET_MIPS)
7135 mips_cpu_list(stdout, &fprintf);
7136 #elif defined(TARGET_SPARC)
7137 sparc_cpu_list(stdout, &fprintf);
7138 #endif
7139 exit(1);
7140 } else {
7141 cpu_model = optarg;
7142 }
7143 break;
7144 case QEMU_OPTION_initrd:
7145 initrd_filename = optarg;
7146 break;
7147 case QEMU_OPTION_hda:
7148 case QEMU_OPTION_hdb:
7149 case QEMU_OPTION_hdc:
7150 case QEMU_OPTION_hdd:
7151 {
7152 int hd_index;
7153 hd_index = popt->index - QEMU_OPTION_hda;
7154 hd_filename[hd_index] = optarg;
7155 if (hd_index == cdrom_index)
7156 cdrom_index = -1;
7157 }
7158 break;
7159 case QEMU_OPTION_mtdblock:
7160 mtd_filename = optarg;
7161 break;
7162 case QEMU_OPTION_sd:
7163 sd_filename = optarg;
7164 break;
7165 case QEMU_OPTION_pflash:
7166 if (pflash_index >= MAX_PFLASH) {
7167 fprintf(stderr, "qemu: too many parallel flash images\n");
7168 exit(1);
7169 }
7170 pflash_filename[pflash_index++] = optarg;
7171 break;
7172 case QEMU_OPTION_snapshot:
7173 snapshot = 1;
7174 break;
7175 case QEMU_OPTION_hdachs:
7176 {
7177 const char *p;
7178 p = optarg;
7179 cyls = strtol(p, (char **)&p, 0);
7180 if (cyls < 1 || cyls > 16383)
7181 goto chs_fail;
7182 if (*p != ',')
7183 goto chs_fail;
7184 p++;
7185 heads = strtol(p, (char **)&p, 0);
7186 if (heads < 1 || heads > 16)
7187 goto chs_fail;
7188 if (*p != ',')
7189 goto chs_fail;
7190 p++;
7191 secs = strtol(p, (char **)&p, 0);
7192 if (secs < 1 || secs > 63)
7193 goto chs_fail;
7194 if (*p == ',') {
7195 p++;
7196 if (!strcmp(p, "none"))
7197 translation = BIOS_ATA_TRANSLATION_NONE;
7198 else if (!strcmp(p, "lba"))
7199 translation = BIOS_ATA_TRANSLATION_LBA;
7200 else if (!strcmp(p, "auto"))
7201 translation = BIOS_ATA_TRANSLATION_AUTO;
7202 else
7203 goto chs_fail;
7204 } else if (*p != '\0') {
7205 chs_fail:
7206 fprintf(stderr, "qemu: invalid physical CHS format\n");
7207 exit(1);
7208 }
7209 }
7210 break;
7211 case QEMU_OPTION_nographic:
7212 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
7213 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "null");
7214 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
7215 nographic = 1;
7216 break;
7217 case QEMU_OPTION_portrait:
7218 graphic_rotate = 1;
7219 break;
7220 case QEMU_OPTION_kernel:
7221 kernel_filename = optarg;
7222 break;
7223 case QEMU_OPTION_append:
7224 kernel_cmdline = optarg;
7225 break;
7226 case QEMU_OPTION_cdrom:
7227 if (cdrom_index >= 0) {
7228 hd_filename[cdrom_index] = optarg;
7229 }
7230 break;
7231 case QEMU_OPTION_boot:
7232 boot_device = optarg[0];
7233 if (boot_device != 'a' &&
7234 #if defined(TARGET_SPARC) || defined(TARGET_I386)
7235 // Network boot
7236 boot_device != 'n' &&
7237 #endif
7238 boot_device != 'c' && boot_device != 'd') {
7239 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
7240 exit(1);
7241 }
7242 break;
7243 case QEMU_OPTION_fda:
7244 fd_filename[0] = optarg;
7245 break;
7246 case QEMU_OPTION_fdb:
7247 fd_filename[1] = optarg;
7248 break;
7249 #ifdef TARGET_I386
7250 case QEMU_OPTION_no_fd_bootchk:
7251 fd_bootchk = 0;
7252 break;
7253 #endif
7254 case QEMU_OPTION_no_code_copy:
7255 code_copy_enabled = 0;
7256 break;
7257 case QEMU_OPTION_net:
7258 if (nb_net_clients >= MAX_NET_CLIENTS) {
7259 fprintf(stderr, "qemu: too many network clients\n");
7260 exit(1);
7261 }
7262 pstrcpy(net_clients[nb_net_clients],
7263 sizeof(net_clients[0]),
7264 optarg);
7265 nb_net_clients++;
7266 break;
7267 #ifdef CONFIG_SLIRP
7268 case QEMU_OPTION_tftp:
7269 tftp_prefix = optarg;
7270 break;
7271 case QEMU_OPTION_bootp:
7272 bootp_filename = optarg;
7273 break;
7274 #ifndef _WIN32
7275 case QEMU_OPTION_smb:
7276 net_slirp_smb(optarg);
7277 break;
7278 #endif
7279 case QEMU_OPTION_redir:
7280 net_slirp_redir(optarg);
7281 break;
7282 #endif
7283 #ifdef HAS_AUDIO
7284 case QEMU_OPTION_audio_help:
7285 AUD_help ();
7286 exit (0);
7287 break;
7288 case QEMU_OPTION_soundhw:
7289 select_soundhw (optarg);
7290 break;
7291 #endif
7292 case QEMU_OPTION_h:
7293 help();
7294 break;
7295 case QEMU_OPTION_m:
7296 ram_size = atoi(optarg) * 1024 * 1024;
7297 if (ram_size <= 0)
7298 help();
7299 if (ram_size > PHYS_RAM_MAX_SIZE) {
7300 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
7301 PHYS_RAM_MAX_SIZE / (1024 * 1024));
7302 exit(1);
7303 }
7304 break;
7305 case QEMU_OPTION_d:
7306 {
7307 int mask;
7308 CPULogItem *item;
7309
7310 mask = cpu_str_to_log_mask(optarg);
7311 if (!mask) {
7312 printf("Log items (comma separated):\n");
7313 for(item = cpu_log_items; item->mask != 0; item++) {
7314 printf("%-10s %s\n", item->name, item->help);
7315 }
7316 exit(1);
7317 }
7318 cpu_set_log(mask);
7319 }
7320 break;
7321 #ifdef CONFIG_GDBSTUB
7322 case QEMU_OPTION_s:
7323 use_gdbstub = 1;
7324 break;
7325 case QEMU_OPTION_p:
7326 gdbstub_port = optarg;
7327 break;
7328 #endif
7329 case QEMU_OPTION_L:
7330 bios_dir = optarg;
7331 break;
7332 case QEMU_OPTION_S:
7333 autostart = 0;
7334 break;
7335 case QEMU_OPTION_k:
7336 keyboard_layout = optarg;
7337 break;
7338 case QEMU_OPTION_localtime:
7339 rtc_utc = 0;
7340 break;
7341 case QEMU_OPTION_cirrusvga:
7342 cirrus_vga_enabled = 1;
7343 vmsvga_enabled = 0;
7344 break;
7345 case QEMU_OPTION_vmsvga:
7346 cirrus_vga_enabled = 0;
7347 vmsvga_enabled = 1;
7348 break;
7349 case QEMU_OPTION_std_vga:
7350 cirrus_vga_enabled = 0;
7351 vmsvga_enabled = 0;
7352 break;
7353 case QEMU_OPTION_g:
7354 {
7355 const char *p;
7356 int w, h, depth;
7357 p = optarg;
7358 w = strtol(p, (char **)&p, 10);
7359 if (w <= 0) {
7360 graphic_error:
7361 fprintf(stderr, "qemu: invalid resolution or depth\n");
7362 exit(1);
7363 }
7364 if (*p != 'x')
7365 goto graphic_error;
7366 p++;
7367 h = strtol(p, (char **)&p, 10);
7368 if (h <= 0)
7369 goto graphic_error;
7370 if (*p == 'x') {
7371 p++;
7372 depth = strtol(p, (char **)&p, 10);
7373 if (depth != 8 && depth != 15 && depth != 16 &&
7374 depth != 24 && depth != 32)
7375 goto graphic_error;
7376 } else if (*p == '\0') {
7377 depth = graphic_depth;
7378 } else {
7379 goto graphic_error;
7380 }
7381
7382 graphic_width = w;
7383 graphic_height = h;
7384 graphic_depth = depth;
7385 }
7386 break;
7387 case QEMU_OPTION_echr:
7388 {
7389 char *r;
7390 term_escape_char = strtol(optarg, &r, 0);
7391 if (r == optarg)
7392 printf("Bad argument to echr\n");
7393 break;
7394 }
7395 case QEMU_OPTION_monitor:
7396 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
7397 break;
7398 case QEMU_OPTION_serial:
7399 if (serial_device_index >= MAX_SERIAL_PORTS) {
7400 fprintf(stderr, "qemu: too many serial ports\n");
7401 exit(1);
7402 }
7403 pstrcpy(serial_devices[serial_device_index],
7404 sizeof(serial_devices[0]), optarg);
7405 serial_device_index++;
7406 break;
7407 case QEMU_OPTION_parallel:
7408 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
7409 fprintf(stderr, "qemu: too many parallel ports\n");
7410 exit(1);
7411 }
7412 pstrcpy(parallel_devices[parallel_device_index],
7413 sizeof(parallel_devices[0]), optarg);
7414 parallel_device_index++;
7415 break;
7416 case QEMU_OPTION_loadvm:
7417 loadvm = optarg;
7418 break;
7419 case QEMU_OPTION_full_screen:
7420 full_screen = 1;
7421 break;
7422 #ifdef CONFIG_SDL
7423 case QEMU_OPTION_no_frame:
7424 no_frame = 1;
7425 break;
7426 case QEMU_OPTION_no_quit:
7427 no_quit = 1;
7428 break;
7429 #endif
7430 case QEMU_OPTION_pidfile:
7431 pid_file = optarg;
7432 break;
7433 #ifdef TARGET_I386
7434 case QEMU_OPTION_win2k_hack:
7435 win2k_install_hack = 1;
7436 break;
7437 #endif
7438 #ifdef USE_KQEMU
7439 case QEMU_OPTION_no_kqemu:
7440 kqemu_allowed = 0;
7441 break;
7442 case QEMU_OPTION_kernel_kqemu:
7443 kqemu_allowed = 2;
7444 break;
7445 #endif
7446 case QEMU_OPTION_usb:
7447 usb_enabled = 1;
7448 break;
7449 case QEMU_OPTION_usbdevice:
7450 usb_enabled = 1;
7451 if (usb_devices_index >= MAX_USB_CMDLINE) {
7452 fprintf(stderr, "Too many USB devices\n");
7453 exit(1);
7454 }
7455 pstrcpy(usb_devices[usb_devices_index],
7456 sizeof(usb_devices[usb_devices_index]),
7457 optarg);
7458 usb_devices_index++;
7459 break;
7460 case QEMU_OPTION_smp:
7461 smp_cpus = atoi(optarg);
7462 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
7463 fprintf(stderr, "Invalid number of CPUs\n");
7464 exit(1);
7465 }
7466 break;
7467 case QEMU_OPTION_vnc:
7468 vnc_display = optarg;
7469 break;
7470 case QEMU_OPTION_no_acpi:
7471 acpi_enabled = 0;
7472 break;
7473 case QEMU_OPTION_no_reboot:
7474 no_reboot = 1;
7475 break;
7476 case QEMU_OPTION_show_cursor:
7477 cursor_hide = 0;
7478 break;
7479 case QEMU_OPTION_daemonize:
7480 daemonize = 1;
7481 break;
7482 case QEMU_OPTION_option_rom:
7483 if (nb_option_roms >= MAX_OPTION_ROMS) {
7484 fprintf(stderr, "Too many option ROMs\n");
7485 exit(1);
7486 }
7487 option_rom[nb_option_roms] = optarg;
7488 nb_option_roms++;
7489 break;
7490 case QEMU_OPTION_semihosting:
7491 semihosting_enabled = 1;
7492 break;
7493 case QEMU_OPTION_name:
7494 qemu_name = optarg;
7495 break;
7496 #ifdef TARGET_SPARC
7497 case QEMU_OPTION_prom_env:
7498 if (nb_prom_envs >= MAX_PROM_ENVS) {
7499 fprintf(stderr, "Too many prom variables\n");
7500 exit(1);
7501 }
7502 prom_envs[nb_prom_envs] = optarg;
7503 nb_prom_envs++;
7504 break;
7505 #endif
7506 }
7507 }
7508 }
7509
7510 #ifndef _WIN32
7511 if (daemonize && !nographic && vnc_display == NULL) {
7512 fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
7513 daemonize = 0;
7514 }
7515
7516 if (daemonize) {
7517 pid_t pid;
7518
7519 if (pipe(fds) == -1)
7520 exit(1);
7521
7522 pid = fork();
7523 if (pid > 0) {
7524 uint8_t status;
7525 ssize_t len;
7526
7527 close(fds[1]);
7528
7529 again:
7530 len = read(fds[0], &status, 1);
7531 if (len == -1 && (errno == EINTR))
7532 goto again;
7533
7534 if (len != 1)
7535 exit(1);
7536 else if (status == 1) {
7537 fprintf(stderr, "Could not acquire pidfile\n");
7538 exit(1);
7539 } else
7540 exit(0);
7541 } else if (pid < 0)
7542 exit(1);
7543
7544 setsid();
7545
7546 pid = fork();
7547 if (pid > 0)
7548 exit(0);
7549 else if (pid < 0)
7550 exit(1);
7551
7552 umask(027);
7553 chdir("/");
7554
7555 signal(SIGTSTP, SIG_IGN);
7556 signal(SIGTTOU, SIG_IGN);
7557 signal(SIGTTIN, SIG_IGN);
7558 }
7559 #endif
7560
7561 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
7562 if (daemonize) {
7563 uint8_t status = 1;
7564 write(fds[1], &status, 1);
7565 } else
7566 fprintf(stderr, "Could not acquire pid file\n");
7567 exit(1);
7568 }
7569
7570 #ifdef USE_KQEMU
7571 if (smp_cpus > 1)
7572 kqemu_allowed = 0;
7573 #endif
7574 linux_boot = (kernel_filename != NULL);
7575
7576 if (!linux_boot &&
7577 boot_device != 'n' &&
7578 hd_filename[0] == '\0' &&
7579 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
7580 fd_filename[0] == '\0')
7581 help();
7582
7583 /* boot to floppy or the default cd if no hard disk defined yet */
7584 if (hd_filename[0] == '\0' && boot_device == 'c') {
7585 if (fd_filename[0] != '\0')
7586 boot_device = 'a';
7587 else
7588 boot_device = 'd';
7589 }
7590
7591 setvbuf(stdout, NULL, _IOLBF, 0);
7592
7593 init_timers();
7594 init_timer_alarm();
7595 qemu_aio_init();
7596
7597 #ifdef _WIN32
7598 socket_init();
7599 #endif
7600
7601 /* init network clients */
7602 if (nb_net_clients == 0) {
7603 /* if no clients, we use a default config */
7604 pstrcpy(net_clients[0], sizeof(net_clients[0]),
7605 "nic");
7606 pstrcpy(net_clients[1], sizeof(net_clients[0]),
7607 "user");
7608 nb_net_clients = 2;
7609 }
7610
7611 for(i = 0;i < nb_net_clients; i++) {
7612 if (net_client_init(net_clients[i]) < 0)
7613 exit(1);
7614 }
7615
7616 #ifdef TARGET_I386
7617 if (boot_device == 'n') {
7618 for (i = 0; i < nb_nics; i++) {
7619 const char *model = nd_table[i].model;
7620 char buf[1024];
7621 if (model == NULL)
7622 model = "ne2k_pci";
7623 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
7624 if (get_image_size(buf) > 0) {
7625 option_rom[nb_option_roms] = strdup(buf);
7626 nb_option_roms++;
7627 break;
7628 }
7629 }
7630 if (i == nb_nics) {
7631 fprintf(stderr, "No valid PXE rom found for network device\n");
7632 exit(1);
7633 }
7634 boot_device = 'c'; /* to prevent confusion by the BIOS */
7635 }
7636 #endif
7637
7638 /* init the memory */
7639 phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE;
7640
7641 phys_ram_base = qemu_vmalloc(phys_ram_size);
7642 if (!phys_ram_base) {
7643 fprintf(stderr, "Could not allocate physical memory\n");
7644 exit(1);
7645 }
7646
7647 /* we always create the cdrom drive, even if no disk is there */
7648 bdrv_init();
7649 if (cdrom_index >= 0) {
7650 bs_table[cdrom_index] = bdrv_new("cdrom");
7651 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
7652 }
7653
7654 /* open the virtual block devices */
7655 for(i = 0; i < MAX_DISKS; i++) {
7656 if (hd_filename[i]) {
7657 if (!bs_table[i]) {
7658 char buf[64];
7659 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
7660 bs_table[i] = bdrv_new(buf);
7661 }
7662 if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7663 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
7664 hd_filename[i]);
7665 exit(1);
7666 }
7667 if (i == 0 && cyls != 0) {
7668 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
7669 bdrv_set_translation_hint(bs_table[i], translation);
7670 }
7671 }
7672 }
7673
7674 /* we always create at least one floppy disk */
7675 fd_table[0] = bdrv_new("fda");
7676 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
7677
7678 for(i = 0; i < MAX_FD; i++) {
7679 if (fd_filename[i]) {
7680 if (!fd_table[i]) {
7681 char buf[64];
7682 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
7683 fd_table[i] = bdrv_new(buf);
7684 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
7685 }
7686 if (fd_filename[i][0] != '\0') {
7687 if (bdrv_open(fd_table[i], fd_filename[i],
7688 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7689 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
7690 fd_filename[i]);
7691 exit(1);
7692 }
7693 }
7694 }
7695 }
7696
7697 /* Open the virtual parallel flash block devices */
7698 for(i = 0; i < MAX_PFLASH; i++) {
7699 if (pflash_filename[i]) {
7700 if (!pflash_table[i]) {
7701 char buf[64];
7702 snprintf(buf, sizeof(buf), "fl%c", i + 'a');
7703 pflash_table[i] = bdrv_new(buf);
7704 }
7705 if (bdrv_open(pflash_table[i], pflash_filename[i],
7706 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7707 fprintf(stderr, "qemu: could not open flash image '%s'\n",
7708 pflash_filename[i]);
7709 exit(1);
7710 }
7711 }
7712 }
7713
7714 sd_bdrv = bdrv_new ("sd");
7715 /* FIXME: This isn't really a floppy, but it's a reasonable
7716 approximation. */
7717 bdrv_set_type_hint(sd_bdrv, BDRV_TYPE_FLOPPY);
7718 if (sd_filename) {
7719 if (bdrv_open(sd_bdrv, sd_filename,
7720 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7721 fprintf(stderr, "qemu: could not open SD card image %s\n",
7722 sd_filename);
7723 } else
7724 qemu_key_check(sd_bdrv, sd_filename);
7725 }
7726
7727 if (mtd_filename) {
7728 mtd_bdrv = bdrv_new ("mtd");
7729 if (bdrv_open(mtd_bdrv, mtd_filename,
7730 snapshot ? BDRV_O_SNAPSHOT : 0) < 0 ||
7731 qemu_key_check(mtd_bdrv, mtd_filename)) {
7732 fprintf(stderr, "qemu: could not open Flash image %s\n",
7733 mtd_filename);
7734 bdrv_delete(mtd_bdrv);
7735 mtd_bdrv = 0;
7736 }
7737 }
7738
7739 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
7740 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
7741
7742 init_ioports();
7743
7744 /* terminal init */
7745 if (nographic) {
7746 dumb_display_init(ds);
7747 } else if (vnc_display != NULL) {
7748 vnc_display_init(ds, vnc_display);
7749 } else {
7750 #if defined(CONFIG_SDL)
7751 sdl_display_init(ds, full_screen, no_frame);
7752 #elif defined(CONFIG_COCOA)
7753 cocoa_display_init(ds, full_screen);
7754 #else
7755 dumb_display_init(ds);
7756 #endif
7757 }
7758
7759 /* Maintain compatibility with multiple stdio monitors */
7760 if (!strcmp(monitor_device,"stdio")) {
7761 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
7762 if (!strcmp(serial_devices[i],"mon:stdio")) {
7763 monitor_device[0] = '\0';
7764 break;
7765 } else if (!strcmp(serial_devices[i],"stdio")) {
7766 monitor_device[0] = '\0';
7767 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "mon:stdio");
7768 break;
7769 }
7770 }
7771 }
7772 if (monitor_device[0] != '\0') {
7773 monitor_hd = qemu_chr_open(monitor_device);
7774 if (!monitor_hd) {
7775 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
7776 exit(1);
7777 }
7778 monitor_init(monitor_hd, !nographic);
7779 }
7780
7781 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
7782 const char *devname = serial_devices[i];
7783 if (devname[0] != '\0' && strcmp(devname, "none")) {
7784 serial_hds[i] = qemu_chr_open(devname);
7785 if (!serial_hds[i]) {
7786 fprintf(stderr, "qemu: could not open serial device '%s'\n",
7787 devname);
7788 exit(1);
7789 }
7790 if (!strcmp(devname, "vc"))
7791 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
7792 }
7793 }
7794
7795 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
7796 const char *devname = parallel_devices[i];
7797 if (devname[0] != '\0' && strcmp(devname, "none")) {
7798 parallel_hds[i] = qemu_chr_open(devname);
7799 if (!parallel_hds[i]) {
7800 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
7801 devname);
7802 exit(1);
7803 }
7804 if (!strcmp(devname, "vc"))
7805 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
7806 }
7807 }
7808
7809 machine->init(ram_size, vga_ram_size, boot_device,
7810 ds, fd_filename, snapshot,
7811 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
7812
7813 /* init USB devices */
7814 if (usb_enabled) {
7815 for(i = 0; i < usb_devices_index; i++) {
7816 if (usb_device_add(usb_devices[i]) < 0) {
7817 fprintf(stderr, "Warning: could not add USB device %s\n",
7818 usb_devices[i]);
7819 }
7820 }
7821 }
7822
7823 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
7824 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
7825
7826 #ifdef CONFIG_GDBSTUB
7827 if (use_gdbstub) {
7828 /* XXX: use standard host:port notation and modify options
7829 accordingly. */
7830 if (gdbserver_start(gdbstub_port) < 0) {
7831 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
7832 gdbstub_port);
7833 exit(1);
7834 }
7835 } else
7836 #endif
7837 if (loadvm)
7838 do_loadvm(loadvm);
7839
7840 {
7841 /* XXX: simplify init */
7842 read_passwords();
7843 if (autostart) {
7844 vm_start();
7845 }
7846 }
7847
7848 if (daemonize) {
7849 uint8_t status = 0;
7850 ssize_t len;
7851 int fd;
7852
7853 again1:
7854 len = write(fds[1], &status, 1);
7855 if (len == -1 && (errno == EINTR))
7856 goto again1;
7857
7858 if (len != 1)
7859 exit(1);
7860
7861 fd = open("/dev/null", O_RDWR);
7862 if (fd == -1)
7863 exit(1);
7864
7865 dup2(fd, 0);
7866 dup2(fd, 1);
7867 dup2(fd, 2);
7868
7869 close(fd);
7870 }
7871
7872 main_loop();
7873 quit_timers();
7874 return 0;
7875 }
Stable branch of Qemu 0.9.1