?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Rearrange PCI host emulation code.
[qemu/mini2440.git] / vl.c
blobe828d316ad05bb696990f5946506ca254dc570de
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2005 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "vl.h"
25
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <signal.h>
29 #include <time.h>
30 #include <errno.h>
31 #include <sys/time.h>
32
33 #ifndef _WIN32
34 #include <sys/times.h>
35 #include <sys/wait.h>
36 #include <termios.h>
37 #include <sys/poll.h>
38 #include <sys/mman.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
42 #include <dirent.h>
43 #include <netdb.h>
44 #ifdef _BSD
45 #include <sys/stat.h>
46 #ifndef __APPLE__
47 #include <libutil.h>
48 #endif
49 #else
50 #ifndef __sun__
51 #include <linux/if.h>
52 #include <linux/if_tun.h>
53 #include <pty.h>
54 #include <malloc.h>
55 #include <linux/rtc.h>
56 #include <linux/ppdev.h>
57 #endif
58 #endif
59 #endif
60
61 #if defined(CONFIG_SLIRP)
62 #include "libslirp.h"
63 #endif
64
65 #ifdef _WIN32
66 #include <malloc.h>
67 #include <sys/timeb.h>
68 #include <windows.h>
69 #define getopt_long_only getopt_long
70 #define memalign(align, size) malloc(size)
71 #endif
72
73 #include "qemu_socket.h"
74
75 #ifdef CONFIG_SDL
76 #ifdef __APPLE__
77 #include <SDL/SDL.h>
78 #endif
79 #endif /* CONFIG_SDL */
80
81 #ifdef CONFIG_COCOA
82 #undef main
83 #define main qemu_main
84 #endif /* CONFIG_COCOA */
85
86 #include "disas.h"
87
88 #include "exec-all.h"
89
90 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
91
92 //#define DEBUG_UNUSED_IOPORT
93 //#define DEBUG_IOPORT
94
95 #if !defined(CONFIG_SOFTMMU)
96 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
97 #else
98 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
99 #endif
100
101 #ifdef TARGET_PPC
102 #define DEFAULT_RAM_SIZE 144
103 #else
104 #define DEFAULT_RAM_SIZE 128
105 #endif
106 /* in ms */
107 #define GUI_REFRESH_INTERVAL 30
108
109 /* XXX: use a two level table to limit memory usage */
110 #define MAX_IOPORTS 65536
111
112 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
113 char phys_ram_file[1024];
114 void *ioport_opaque[MAX_IOPORTS];
115 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
116 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
117 BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
118 int vga_ram_size;
119 int bios_size;
120 static DisplayState display_state;
121 int nographic;
122 const char* keyboard_layout = NULL;
123 int64_t ticks_per_sec;
124 int boot_device = 'c';
125 int ram_size;
126 int pit_min_timer_count = 0;
127 int nb_nics;
128 NICInfo nd_table[MAX_NICS];
129 QEMUTimer *gui_timer;
130 int vm_running;
131 int rtc_utc = 1;
132 int cirrus_vga_enabled = 1;
133 #ifdef TARGET_SPARC
134 int graphic_width = 1024;
135 int graphic_height = 768;
136 #else
137 int graphic_width = 800;
138 int graphic_height = 600;
139 #endif
140 int graphic_depth = 15;
141 int full_screen = 0;
142 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
143 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
144 #ifdef TARGET_I386
145 int win2k_install_hack = 0;
146 #endif
147 int usb_enabled = 0;
148 USBPort *vm_usb_ports[MAX_VM_USB_PORTS];
149 USBDevice *vm_usb_hub;
150 static VLANState *first_vlan;
151 int smp_cpus = 1;
152 int vnc_display = -1;
153 #if defined(TARGET_SPARC)
154 #define MAX_CPUS 16
155 #elif defined(TARGET_I386)
156 #define MAX_CPUS 255
157 #else
158 #define MAX_CPUS 1
159 #endif
160 int acpi_enabled = 1;
161
162 /***********************************************************/
163 /* x86 ISA bus support */
164
165 target_phys_addr_t isa_mem_base = 0;
166 PicState2 *isa_pic;
167
168 uint32_t default_ioport_readb(void *opaque, uint32_t address)
169 {
170 #ifdef DEBUG_UNUSED_IOPORT
171 fprintf(stderr, "inb: port=0x%04x\n", address);
172 #endif
173 return 0xff;
174 }
175
176 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
177 {
178 #ifdef DEBUG_UNUSED_IOPORT
179 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
180 #endif
181 }
182
183 /* default is to make two byte accesses */
184 uint32_t default_ioport_readw(void *opaque, uint32_t address)
185 {
186 uint32_t data;
187 data = ioport_read_table[0][address](ioport_opaque[address], address);
188 address = (address + 1) & (MAX_IOPORTS - 1);
189 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
190 return data;
191 }
192
193 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
194 {
195 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
196 address = (address + 1) & (MAX_IOPORTS - 1);
197 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
198 }
199
200 uint32_t default_ioport_readl(void *opaque, uint32_t address)
201 {
202 #ifdef DEBUG_UNUSED_IOPORT
203 fprintf(stderr, "inl: port=0x%04x\n", address);
204 #endif
205 return 0xffffffff;
206 }
207
208 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
209 {
210 #ifdef DEBUG_UNUSED_IOPORT
211 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
212 #endif
213 }
214
215 void init_ioports(void)
216 {
217 int i;
218
219 for(i = 0; i < MAX_IOPORTS; i++) {
220 ioport_read_table[0][i] = default_ioport_readb;
221 ioport_write_table[0][i] = default_ioport_writeb;
222 ioport_read_table[1][i] = default_ioport_readw;
223 ioport_write_table[1][i] = default_ioport_writew;
224 ioport_read_table[2][i] = default_ioport_readl;
225 ioport_write_table[2][i] = default_ioport_writel;
226 }
227 }
228
229 /* size is the word size in byte */
230 int register_ioport_read(int start, int length, int size,
231 IOPortReadFunc *func, void *opaque)
232 {
233 int i, bsize;
234
235 if (size == 1) {
236 bsize = 0;
237 } else if (size == 2) {
238 bsize = 1;
239 } else if (size == 4) {
240 bsize = 2;
241 } else {
242 hw_error("register_ioport_read: invalid size");
243 return -1;
244 }
245 for(i = start; i < start + length; i += size) {
246 ioport_read_table[bsize][i] = func;
247 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
248 hw_error("register_ioport_read: invalid opaque");
249 ioport_opaque[i] = opaque;
250 }
251 return 0;
252 }
253
254 /* size is the word size in byte */
255 int register_ioport_write(int start, int length, int size,
256 IOPortWriteFunc *func, void *opaque)
257 {
258 int i, bsize;
259
260 if (size == 1) {
261 bsize = 0;
262 } else if (size == 2) {
263 bsize = 1;
264 } else if (size == 4) {
265 bsize = 2;
266 } else {
267 hw_error("register_ioport_write: invalid size");
268 return -1;
269 }
270 for(i = start; i < start + length; i += size) {
271 ioport_write_table[bsize][i] = func;
272 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
273 hw_error("register_ioport_read: invalid opaque");
274 ioport_opaque[i] = opaque;
275 }
276 return 0;
277 }
278
279 void isa_unassign_ioport(int start, int length)
280 {
281 int i;
282
283 for(i = start; i < start + length; i++) {
284 ioport_read_table[0][i] = default_ioport_readb;
285 ioport_read_table[1][i] = default_ioport_readw;
286 ioport_read_table[2][i] = default_ioport_readl;
287
288 ioport_write_table[0][i] = default_ioport_writeb;
289 ioport_write_table[1][i] = default_ioport_writew;
290 ioport_write_table[2][i] = default_ioport_writel;
291 }
292 }
293
294 /***********************************************************/
295
296 void pstrcpy(char *buf, int buf_size, const char *str)
297 {
298 int c;
299 char *q = buf;
300
301 if (buf_size <= 0)
302 return;
303
304 for(;;) {
305 c = *str++;
306 if (c == 0 || q >= buf + buf_size - 1)
307 break;
308 *q++ = c;
309 }
310 *q = '\0';
311 }
312
313 /* strcat and truncate. */
314 char *pstrcat(char *buf, int buf_size, const char *s)
315 {
316 int len;
317 len = strlen(buf);
318 if (len < buf_size)
319 pstrcpy(buf + len, buf_size - len, s);
320 return buf;
321 }
322
323 int strstart(const char *str, const char *val, const char **ptr)
324 {
325 const char *p, *q;
326 p = str;
327 q = val;
328 while (*q != '\0') {
329 if (*p != *q)
330 return 0;
331 p++;
332 q++;
333 }
334 if (ptr)
335 *ptr = p;
336 return 1;
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 QEMUPutMouseEvent *qemu_put_mouse_event;
451 static void *qemu_put_mouse_event_opaque;
452 static int qemu_put_mouse_event_absolute;
453
454 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
455 {
456 qemu_put_kbd_event_opaque = opaque;
457 qemu_put_kbd_event = func;
458 }
459
460 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
461 {
462 qemu_put_mouse_event_opaque = opaque;
463 qemu_put_mouse_event = func;
464 qemu_put_mouse_event_absolute = absolute;
465 }
466
467 void kbd_put_keycode(int keycode)
468 {
469 if (qemu_put_kbd_event) {
470 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
471 }
472 }
473
474 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
475 {
476 if (qemu_put_mouse_event) {
477 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
478 dx, dy, dz, buttons_state);
479 }
480 }
481
482 int kbd_mouse_is_absolute(void)
483 {
484 return qemu_put_mouse_event_absolute;
485 }
486
487 /***********************************************************/
488 /* timers */
489
490 #if defined(__powerpc__)
491
492 static inline uint32_t get_tbl(void)
493 {
494 uint32_t tbl;
495 asm volatile("mftb %0" : "=r" (tbl));
496 return tbl;
497 }
498
499 static inline uint32_t get_tbu(void)
500 {
501 uint32_t tbl;
502 asm volatile("mftbu %0" : "=r" (tbl));
503 return tbl;
504 }
505
506 int64_t cpu_get_real_ticks(void)
507 {
508 uint32_t l, h, h1;
509 /* NOTE: we test if wrapping has occurred */
510 do {
511 h = get_tbu();
512 l = get_tbl();
513 h1 = get_tbu();
514 } while (h != h1);
515 return ((int64_t)h << 32) | l;
516 }
517
518 #elif defined(__i386__)
519
520 int64_t cpu_get_real_ticks(void)
521 {
522 #ifdef _WIN32
523 LARGE_INTEGER ti;
524 QueryPerformanceCounter(&ti);
525 return ti.QuadPart;
526 #else
527 int64_t val;
528 asm volatile ("rdtsc" : "=A" (val));
529 return val;
530 #endif
531 }
532
533 #elif defined(__x86_64__)
534
535 int64_t cpu_get_real_ticks(void)
536 {
537 uint32_t low,high;
538 int64_t val;
539 asm volatile("rdtsc" : "=a" (low), "=d" (high));
540 val = high;
541 val <<= 32;
542 val |= low;
543 return val;
544 }
545
546 #elif defined(__ia64)
547
548 int64_t cpu_get_real_ticks(void)
549 {
550 int64_t val;
551 asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
552 return val;
553 }
554
555 #elif defined(__s390__)
556
557 int64_t cpu_get_real_ticks(void)
558 {
559 int64_t val;
560 asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
561 return val;
562 }
563
564 #else
565 #error unsupported CPU
566 #endif
567
568 static int64_t cpu_ticks_prev;
569 static int64_t cpu_ticks_offset;
570 static int cpu_ticks_enabled;
571
572 static inline int64_t cpu_get_ticks(void)
573 {
574 if (!cpu_ticks_enabled) {
575 return cpu_ticks_offset;
576 } else {
577 int64_t ticks;
578 ticks = cpu_get_real_ticks();
579 if (cpu_ticks_prev > ticks) {
580 /* Note: non increasing ticks may happen if the host uses
581 software suspend */
582 cpu_ticks_offset += cpu_ticks_prev - ticks;
583 }
584 cpu_ticks_prev = ticks;
585 return ticks + cpu_ticks_offset;
586 }
587 }
588
589 /* enable cpu_get_ticks() */
590 void cpu_enable_ticks(void)
591 {
592 if (!cpu_ticks_enabled) {
593 cpu_ticks_offset -= cpu_get_real_ticks();
594 cpu_ticks_enabled = 1;
595 }
596 }
597
598 /* disable cpu_get_ticks() : the clock is stopped. You must not call
599 cpu_get_ticks() after that. */
600 void cpu_disable_ticks(void)
601 {
602 if (cpu_ticks_enabled) {
603 cpu_ticks_offset = cpu_get_ticks();
604 cpu_ticks_enabled = 0;
605 }
606 }
607
608 #ifdef _WIN32
609 void cpu_calibrate_ticks(void)
610 {
611 LARGE_INTEGER freq;
612 int ret;
613
614 ret = QueryPerformanceFrequency(&freq);
615 if (ret == 0) {
616 fprintf(stderr, "Could not calibrate ticks\n");
617 exit(1);
618 }
619 ticks_per_sec = freq.QuadPart;
620 }
621
622 #else
623 static int64_t get_clock(void)
624 {
625 struct timeval tv;
626 gettimeofday(&tv, NULL);
627 return tv.tv_sec * 1000000LL + tv.tv_usec;
628 }
629
630 void cpu_calibrate_ticks(void)
631 {
632 int64_t usec, ticks;
633
634 usec = get_clock();
635 ticks = cpu_get_real_ticks();
636 usleep(50 * 1000);
637 usec = get_clock() - usec;
638 ticks = cpu_get_real_ticks() - ticks;
639 ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
640 }
641 #endif /* !_WIN32 */
642
643 /* compute with 96 bit intermediate result: (a*b)/c */
644 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
645 {
646 union {
647 uint64_t ll;
648 struct {
649 #ifdef WORDS_BIGENDIAN
650 uint32_t high, low;
651 #else
652 uint32_t low, high;
653 #endif
654 } l;
655 } u, res;
656 uint64_t rl, rh;
657
658 u.ll = a;
659 rl = (uint64_t)u.l.low * (uint64_t)b;
660 rh = (uint64_t)u.l.high * (uint64_t)b;
661 rh += (rl >> 32);
662 res.l.high = rh / c;
663 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
664 return res.ll;
665 }
666
667 #define QEMU_TIMER_REALTIME 0
668 #define QEMU_TIMER_VIRTUAL 1
669
670 struct QEMUClock {
671 int type;
672 /* XXX: add frequency */
673 };
674
675 struct QEMUTimer {
676 QEMUClock *clock;
677 int64_t expire_time;
678 QEMUTimerCB *cb;
679 void *opaque;
680 struct QEMUTimer *next;
681 };
682
683 QEMUClock *rt_clock;
684 QEMUClock *vm_clock;
685
686 static QEMUTimer *active_timers[2];
687 #ifdef _WIN32
688 static MMRESULT timerID;
689 static HANDLE host_alarm = NULL;
690 static unsigned int period = 1;
691 #else
692 /* frequency of the times() clock tick */
693 static int timer_freq;
694 #endif
695
696 QEMUClock *qemu_new_clock(int type)
697 {
698 QEMUClock *clock;
699 clock = qemu_mallocz(sizeof(QEMUClock));
700 if (!clock)
701 return NULL;
702 clock->type = type;
703 return clock;
704 }
705
706 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
707 {
708 QEMUTimer *ts;
709
710 ts = qemu_mallocz(sizeof(QEMUTimer));
711 ts->clock = clock;
712 ts->cb = cb;
713 ts->opaque = opaque;
714 return ts;
715 }
716
717 void qemu_free_timer(QEMUTimer *ts)
718 {
719 qemu_free(ts);
720 }
721
722 /* stop a timer, but do not dealloc it */
723 void qemu_del_timer(QEMUTimer *ts)
724 {
725 QEMUTimer **pt, *t;
726
727 /* NOTE: this code must be signal safe because
728 qemu_timer_expired() can be called from a signal. */
729 pt = &active_timers[ts->clock->type];
730 for(;;) {
731 t = *pt;
732 if (!t)
733 break;
734 if (t == ts) {
735 *pt = t->next;
736 break;
737 }
738 pt = &t->next;
739 }
740 }
741
742 /* modify the current timer so that it will be fired when current_time
743 >= expire_time. The corresponding callback will be called. */
744 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
745 {
746 QEMUTimer **pt, *t;
747
748 qemu_del_timer(ts);
749
750 /* add the timer in the sorted list */
751 /* NOTE: this code must be signal safe because
752 qemu_timer_expired() can be called from a signal. */
753 pt = &active_timers[ts->clock->type];
754 for(;;) {
755 t = *pt;
756 if (!t)
757 break;
758 if (t->expire_time > expire_time)
759 break;
760 pt = &t->next;
761 }
762 ts->expire_time = expire_time;
763 ts->next = *pt;
764 *pt = ts;
765 }
766
767 int qemu_timer_pending(QEMUTimer *ts)
768 {
769 QEMUTimer *t;
770 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
771 if (t == ts)
772 return 1;
773 }
774 return 0;
775 }
776
777 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
778 {
779 if (!timer_head)
780 return 0;
781 return (timer_head->expire_time <= current_time);
782 }
783
784 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
785 {
786 QEMUTimer *ts;
787
788 for(;;) {
789 ts = *ptimer_head;
790 if (!ts || ts->expire_time > current_time)
791 break;
792 /* remove timer from the list before calling the callback */
793 *ptimer_head = ts->next;
794 ts->next = NULL;
795
796 /* run the callback (the timer list can be modified) */
797 ts->cb(ts->opaque);
798 }
799 }
800
801 int64_t qemu_get_clock(QEMUClock *clock)
802 {
803 switch(clock->type) {
804 case QEMU_TIMER_REALTIME:
805 #ifdef _WIN32
806 return GetTickCount();
807 #else
808 {
809 struct tms tp;
810
811 /* Note that using gettimeofday() is not a good solution
812 for timers because its value change when the date is
813 modified. */
814 if (timer_freq == 100) {
815 return times(&tp) * 10;
816 } else {
817 return ((int64_t)times(&tp) * 1000) / timer_freq;
818 }
819 }
820 #endif
821 default:
822 case QEMU_TIMER_VIRTUAL:
823 return cpu_get_ticks();
824 }
825 }
826
827 /* save a timer */
828 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
829 {
830 uint64_t expire_time;
831
832 if (qemu_timer_pending(ts)) {
833 expire_time = ts->expire_time;
834 } else {
835 expire_time = -1;
836 }
837 qemu_put_be64(f, expire_time);
838 }
839
840 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
841 {
842 uint64_t expire_time;
843
844 expire_time = qemu_get_be64(f);
845 if (expire_time != -1) {
846 qemu_mod_timer(ts, expire_time);
847 } else {
848 qemu_del_timer(ts);
849 }
850 }
851
852 static void timer_save(QEMUFile *f, void *opaque)
853 {
854 if (cpu_ticks_enabled) {
855 hw_error("cannot save state if virtual timers are running");
856 }
857 qemu_put_be64s(f, &cpu_ticks_offset);
858 qemu_put_be64s(f, &ticks_per_sec);
859 }
860
861 static int timer_load(QEMUFile *f, void *opaque, int version_id)
862 {
863 if (version_id != 1)
864 return -EINVAL;
865 if (cpu_ticks_enabled) {
866 return -EINVAL;
867 }
868 qemu_get_be64s(f, &cpu_ticks_offset);
869 qemu_get_be64s(f, &ticks_per_sec);
870 return 0;
871 }
872
873 #ifdef _WIN32
874 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
875 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
876 #else
877 static void host_alarm_handler(int host_signum)
878 #endif
879 {
880 #if 0
881 #define DISP_FREQ 1000
882 {
883 static int64_t delta_min = INT64_MAX;
884 static int64_t delta_max, delta_cum, last_clock, delta, ti;
885 static int count;
886 ti = qemu_get_clock(vm_clock);
887 if (last_clock != 0) {
888 delta = ti - last_clock;
889 if (delta < delta_min)
890 delta_min = delta;
891 if (delta > delta_max)
892 delta_max = delta;
893 delta_cum += delta;
894 if (++count == DISP_FREQ) {
895 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
896 muldiv64(delta_min, 1000000, ticks_per_sec),
897 muldiv64(delta_max, 1000000, ticks_per_sec),
898 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
899 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
900 count = 0;
901 delta_min = INT64_MAX;
902 delta_max = 0;
903 delta_cum = 0;
904 }
905 }
906 last_clock = ti;
907 }
908 #endif
909 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
910 qemu_get_clock(vm_clock)) ||
911 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
912 qemu_get_clock(rt_clock))) {
913 #ifdef _WIN32
914 SetEvent(host_alarm);
915 #endif
916 CPUState *env = cpu_single_env;
917 if (env) {
918 /* stop the currently executing cpu because a timer occured */
919 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
920 #ifdef USE_KQEMU
921 if (env->kqemu_enabled) {
922 kqemu_cpu_interrupt(env);
923 }
924 #endif
925 }
926 }
927 }
928
929 #ifndef _WIN32
930
931 #if defined(__linux__)
932
933 #define RTC_FREQ 1024
934
935 static int rtc_fd;
936
937 static int start_rtc_timer(void)
938 {
939 rtc_fd = open("/dev/rtc", O_RDONLY);
940 if (rtc_fd < 0)
941 return -1;
942 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
943 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
944 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
945 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
946 goto fail;
947 }
948 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
949 fail:
950 close(rtc_fd);
951 return -1;
952 }
953 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
954 return 0;
955 }
956
957 #else
958
959 static int start_rtc_timer(void)
960 {
961 return -1;
962 }
963
964 #endif /* !defined(__linux__) */
965
966 #endif /* !defined(_WIN32) */
967
968 static void init_timers(void)
969 {
970 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
971 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
972
973 #ifdef _WIN32
974 {
975 int count=0;
976 TIMECAPS tc;
977
978 ZeroMemory(&tc, sizeof(TIMECAPS));
979 timeGetDevCaps(&tc, sizeof(TIMECAPS));
980 if (period < tc.wPeriodMin)
981 period = tc.wPeriodMin;
982 timeBeginPeriod(period);
983 timerID = timeSetEvent(1, // interval (ms)
984 period, // resolution
985 host_alarm_handler, // function
986 (DWORD)&count, // user parameter
987 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
988 if( !timerID ) {
989 perror("failed timer alarm");
990 exit(1);
991 }
992 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
993 if (!host_alarm) {
994 perror("failed CreateEvent");
995 exit(1);
996 }
997 ResetEvent(host_alarm);
998 }
999 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
1000 #else
1001 {
1002 struct sigaction act;
1003 struct itimerval itv;
1004
1005 /* get times() syscall frequency */
1006 timer_freq = sysconf(_SC_CLK_TCK);
1007
1008 /* timer signal */
1009 sigfillset(&act.sa_mask);
1010 act.sa_flags = 0;
1011 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
1012 act.sa_flags |= SA_ONSTACK;
1013 #endif
1014 act.sa_handler = host_alarm_handler;
1015 sigaction(SIGALRM, &act, NULL);
1016
1017 itv.it_interval.tv_sec = 0;
1018 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
1019 itv.it_value.tv_sec = 0;
1020 itv.it_value.tv_usec = 10 * 1000;
1021 setitimer(ITIMER_REAL, &itv, NULL);
1022 /* we probe the tick duration of the kernel to inform the user if
1023 the emulated kernel requested a too high timer frequency */
1024 getitimer(ITIMER_REAL, &itv);
1025
1026 #if defined(__linux__)
1027 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
1028 have timers with 1 ms resolution. The correct solution will
1029 be to use the POSIX real time timers available in recent
1030 2.6 kernels */
1031 if (itv.it_interval.tv_usec > 1000 || 1) {
1032 /* try to use /dev/rtc to have a faster timer */
1033 if (start_rtc_timer() < 0)
1034 goto use_itimer;
1035 /* disable itimer */
1036 itv.it_interval.tv_sec = 0;
1037 itv.it_interval.tv_usec = 0;
1038 itv.it_value.tv_sec = 0;
1039 itv.it_value.tv_usec = 0;
1040 setitimer(ITIMER_REAL, &itv, NULL);
1041
1042 /* use the RTC */
1043 sigaction(SIGIO, &act, NULL);
1044 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1045 fcntl(rtc_fd, F_SETOWN, getpid());
1046 } else
1047 #endif /* defined(__linux__) */
1048 {
1049 use_itimer:
1050 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1051 PIT_FREQ) / 1000000;
1052 }
1053 }
1054 #endif
1055 }
1056
1057 void quit_timers(void)
1058 {
1059 #ifdef _WIN32
1060 timeKillEvent(timerID);
1061 timeEndPeriod(period);
1062 if (host_alarm) {
1063 CloseHandle(host_alarm);
1064 host_alarm = NULL;
1065 }
1066 #endif
1067 }
1068
1069 /***********************************************************/
1070 /* character device */
1071
1072 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1073 {
1074 return s->chr_write(s, buf, len);
1075 }
1076
1077 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1078 {
1079 if (!s->chr_ioctl)
1080 return -ENOTSUP;
1081 return s->chr_ioctl(s, cmd, arg);
1082 }
1083
1084 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1085 {
1086 char buf[4096];
1087 va_list ap;
1088 va_start(ap, fmt);
1089 vsnprintf(buf, sizeof(buf), fmt, ap);
1090 qemu_chr_write(s, buf, strlen(buf));
1091 va_end(ap);
1092 }
1093
1094 void qemu_chr_send_event(CharDriverState *s, int event)
1095 {
1096 if (s->chr_send_event)
1097 s->chr_send_event(s, event);
1098 }
1099
1100 void qemu_chr_add_read_handler(CharDriverState *s,
1101 IOCanRWHandler *fd_can_read,
1102 IOReadHandler *fd_read, void *opaque)
1103 {
1104 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1105 }
1106
1107 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1108 {
1109 s->chr_event = chr_event;
1110 }
1111
1112 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1113 {
1114 return len;
1115 }
1116
1117 static void null_chr_add_read_handler(CharDriverState *chr,
1118 IOCanRWHandler *fd_can_read,
1119 IOReadHandler *fd_read, void *opaque)
1120 {
1121 }
1122
1123 CharDriverState *qemu_chr_open_null(void)
1124 {
1125 CharDriverState *chr;
1126
1127 chr = qemu_mallocz(sizeof(CharDriverState));
1128 if (!chr)
1129 return NULL;
1130 chr->chr_write = null_chr_write;
1131 chr->chr_add_read_handler = null_chr_add_read_handler;
1132 return chr;
1133 }
1134
1135 #ifdef _WIN32
1136
1137 static void socket_cleanup(void)
1138 {
1139 WSACleanup();
1140 }
1141
1142 static int socket_init(void)
1143 {
1144 WSADATA Data;
1145 int ret, err;
1146
1147 ret = WSAStartup(MAKEWORD(2,2), &Data);
1148 if (ret != 0) {
1149 err = WSAGetLastError();
1150 fprintf(stderr, "WSAStartup: %d\n", err);
1151 return -1;
1152 }
1153 atexit(socket_cleanup);
1154 return 0;
1155 }
1156
1157 static int send_all(int fd, const uint8_t *buf, int len1)
1158 {
1159 int ret, len;
1160
1161 len = len1;
1162 while (len > 0) {
1163 ret = send(fd, buf, len, 0);
1164 if (ret < 0) {
1165 int errno;
1166 errno = WSAGetLastError();
1167 if (errno != WSAEWOULDBLOCK) {
1168 return -1;
1169 }
1170 } else if (ret == 0) {
1171 break;
1172 } else {
1173 buf += ret;
1174 len -= ret;
1175 }
1176 }
1177 return len1 - len;
1178 }
1179
1180 void socket_set_nonblock(int fd)
1181 {
1182 unsigned long opt = 1;
1183 ioctlsocket(fd, FIONBIO, &opt);
1184 }
1185
1186 #else
1187
1188 static int unix_write(int fd, const uint8_t *buf, int len1)
1189 {
1190 int ret, len;
1191
1192 len = len1;
1193 while (len > 0) {
1194 ret = write(fd, buf, len);
1195 if (ret < 0) {
1196 if (errno != EINTR && errno != EAGAIN)
1197 return -1;
1198 } else if (ret == 0) {
1199 break;
1200 } else {
1201 buf += ret;
1202 len -= ret;
1203 }
1204 }
1205 return len1 - len;
1206 }
1207
1208 static inline int send_all(int fd, const uint8_t *buf, int len1)
1209 {
1210 return unix_write(fd, buf, len1);
1211 }
1212
1213 void socket_set_nonblock(int fd)
1214 {
1215 fcntl(fd, F_SETFL, O_NONBLOCK);
1216 }
1217 #endif /* !_WIN32 */
1218
1219 #ifndef _WIN32
1220
1221 typedef struct {
1222 int fd_in, fd_out;
1223 IOCanRWHandler *fd_can_read;
1224 IOReadHandler *fd_read;
1225 void *fd_opaque;
1226 int max_size;
1227 } FDCharDriver;
1228
1229 #define STDIO_MAX_CLIENTS 2
1230
1231 static int stdio_nb_clients;
1232 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1233
1234 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1235 {
1236 FDCharDriver *s = chr->opaque;
1237 return unix_write(s->fd_out, buf, len);
1238 }
1239
1240 static int fd_chr_read_poll(void *opaque)
1241 {
1242 CharDriverState *chr = opaque;
1243 FDCharDriver *s = chr->opaque;
1244
1245 s->max_size = s->fd_can_read(s->fd_opaque);
1246 return s->max_size;
1247 }
1248
1249 static void fd_chr_read(void *opaque)
1250 {
1251 CharDriverState *chr = opaque;
1252 FDCharDriver *s = chr->opaque;
1253 int size, len;
1254 uint8_t buf[1024];
1255
1256 len = sizeof(buf);
1257 if (len > s->max_size)
1258 len = s->max_size;
1259 if (len == 0)
1260 return;
1261 size = read(s->fd_in, buf, len);
1262 if (size > 0) {
1263 s->fd_read(s->fd_opaque, buf, size);
1264 }
1265 }
1266
1267 static void fd_chr_add_read_handler(CharDriverState *chr,
1268 IOCanRWHandler *fd_can_read,
1269 IOReadHandler *fd_read, void *opaque)
1270 {
1271 FDCharDriver *s = chr->opaque;
1272
1273 if (s->fd_in >= 0) {
1274 s->fd_can_read = fd_can_read;
1275 s->fd_read = fd_read;
1276 s->fd_opaque = opaque;
1277 if (nographic && s->fd_in == 0) {
1278 } else {
1279 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1280 fd_chr_read, NULL, chr);
1281 }
1282 }
1283 }
1284
1285 /* open a character device to a unix fd */
1286 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1287 {
1288 CharDriverState *chr;
1289 FDCharDriver *s;
1290
1291 chr = qemu_mallocz(sizeof(CharDriverState));
1292 if (!chr)
1293 return NULL;
1294 s = qemu_mallocz(sizeof(FDCharDriver));
1295 if (!s) {
1296 free(chr);
1297 return NULL;
1298 }
1299 s->fd_in = fd_in;
1300 s->fd_out = fd_out;
1301 chr->opaque = s;
1302 chr->chr_write = fd_chr_write;
1303 chr->chr_add_read_handler = fd_chr_add_read_handler;
1304 return chr;
1305 }
1306
1307 CharDriverState *qemu_chr_open_file_out(const char *file_out)
1308 {
1309 int fd_out;
1310
1311 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
1312 if (fd_out < 0)
1313 return NULL;
1314 return qemu_chr_open_fd(-1, fd_out);
1315 }
1316
1317 CharDriverState *qemu_chr_open_pipe(const char *filename)
1318 {
1319 int fd;
1320
1321 fd = open(filename, O_RDWR | O_BINARY);
1322 if (fd < 0)
1323 return NULL;
1324 return qemu_chr_open_fd(fd, fd);
1325 }
1326
1327
1328 /* for STDIO, we handle the case where several clients use it
1329 (nographic mode) */
1330
1331 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1332
1333 #define TERM_FIFO_MAX_SIZE 1
1334
1335 static int term_got_escape, client_index;
1336 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1337 int term_fifo_size;
1338
1339 void term_print_help(void)
1340 {
1341 printf("\n"
1342 "C-a h print this help\n"
1343 "C-a x exit emulator\n"
1344 "C-a s save disk data back to file (if -snapshot)\n"
1345 "C-a b send break (magic sysrq)\n"
1346 "C-a c switch between console and monitor\n"
1347 "C-a C-a send C-a\n"
1348 );
1349 }
1350
1351 /* called when a char is received */
1352 static void stdio_received_byte(int ch)
1353 {
1354 if (term_got_escape) {
1355 term_got_escape = 0;
1356 switch(ch) {
1357 case 'h':
1358 term_print_help();
1359 break;
1360 case 'x':
1361 exit(0);
1362 break;
1363 case 's':
1364 {
1365 int i;
1366 for (i = 0; i < MAX_DISKS; i++) {
1367 if (bs_table[i])
1368 bdrv_commit(bs_table[i]);
1369 }
1370 }
1371 break;
1372 case 'b':
1373 if (client_index < stdio_nb_clients) {
1374 CharDriverState *chr;
1375 FDCharDriver *s;
1376
1377 chr = stdio_clients[client_index];
1378 s = chr->opaque;
1379 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1380 }
1381 break;
1382 case 'c':
1383 client_index++;
1384 if (client_index >= stdio_nb_clients)
1385 client_index = 0;
1386 if (client_index == 0) {
1387 /* send a new line in the monitor to get the prompt */
1388 ch = '\r';
1389 goto send_char;
1390 }
1391 break;
1392 case TERM_ESCAPE:
1393 goto send_char;
1394 }
1395 } else if (ch == TERM_ESCAPE) {
1396 term_got_escape = 1;
1397 } else {
1398 send_char:
1399 if (client_index < stdio_nb_clients) {
1400 uint8_t buf[1];
1401 CharDriverState *chr;
1402 FDCharDriver *s;
1403
1404 chr = stdio_clients[client_index];
1405 s = chr->opaque;
1406 if (s->fd_can_read(s->fd_opaque) > 0) {
1407 buf[0] = ch;
1408 s->fd_read(s->fd_opaque, buf, 1);
1409 } else if (term_fifo_size == 0) {
1410 term_fifo[term_fifo_size++] = ch;
1411 }
1412 }
1413 }
1414 }
1415
1416 static int stdio_read_poll(void *opaque)
1417 {
1418 CharDriverState *chr;
1419 FDCharDriver *s;
1420
1421 if (client_index < stdio_nb_clients) {
1422 chr = stdio_clients[client_index];
1423 s = chr->opaque;
1424 /* try to flush the queue if needed */
1425 if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1426 s->fd_read(s->fd_opaque, term_fifo, 1);
1427 term_fifo_size = 0;
1428 }
1429 /* see if we can absorb more chars */
1430 if (term_fifo_size == 0)
1431 return 1;
1432 else
1433 return 0;
1434 } else {
1435 return 1;
1436 }
1437 }
1438
1439 static void stdio_read(void *opaque)
1440 {
1441 int size;
1442 uint8_t buf[1];
1443
1444 size = read(0, buf, 1);
1445 if (size > 0)
1446 stdio_received_byte(buf[0]);
1447 }
1448
1449 /* init terminal so that we can grab keys */
1450 static struct termios oldtty;
1451 static int old_fd0_flags;
1452
1453 static void term_exit(void)
1454 {
1455 tcsetattr (0, TCSANOW, &oldtty);
1456 fcntl(0, F_SETFL, old_fd0_flags);
1457 }
1458
1459 static void term_init(void)
1460 {
1461 struct termios tty;
1462
1463 tcgetattr (0, &tty);
1464 oldtty = tty;
1465 old_fd0_flags = fcntl(0, F_GETFL);
1466
1467 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1468 |INLCR|IGNCR|ICRNL|IXON);
1469 tty.c_oflag |= OPOST;
1470 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1471 /* if graphical mode, we allow Ctrl-C handling */
1472 if (nographic)
1473 tty.c_lflag &= ~ISIG;
1474 tty.c_cflag &= ~(CSIZE|PARENB);
1475 tty.c_cflag |= CS8;
1476 tty.c_cc[VMIN] = 1;
1477 tty.c_cc[VTIME] = 0;
1478
1479 tcsetattr (0, TCSANOW, &tty);
1480
1481 atexit(term_exit);
1482
1483 fcntl(0, F_SETFL, O_NONBLOCK);
1484 }
1485
1486 CharDriverState *qemu_chr_open_stdio(void)
1487 {
1488 CharDriverState *chr;
1489
1490 if (nographic) {
1491 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1492 return NULL;
1493 chr = qemu_chr_open_fd(0, 1);
1494 if (stdio_nb_clients == 0)
1495 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
1496 client_index = stdio_nb_clients;
1497 } else {
1498 if (stdio_nb_clients != 0)
1499 return NULL;
1500 chr = qemu_chr_open_fd(0, 1);
1501 }
1502 stdio_clients[stdio_nb_clients++] = chr;
1503 if (stdio_nb_clients == 1) {
1504 /* set the terminal in raw mode */
1505 term_init();
1506 }
1507 return chr;
1508 }
1509
1510 #if defined(__linux__)
1511 CharDriverState *qemu_chr_open_pty(void)
1512 {
1513 struct termios tty;
1514 char slave_name[1024];
1515 int master_fd, slave_fd;
1516
1517 /* Not satisfying */
1518 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1519 return NULL;
1520 }
1521
1522 /* Disabling local echo and line-buffered output */
1523 tcgetattr (master_fd, &tty);
1524 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1525 tty.c_cc[VMIN] = 1;
1526 tty.c_cc[VTIME] = 0;
1527 tcsetattr (master_fd, TCSAFLUSH, &tty);
1528
1529 fprintf(stderr, "char device redirected to %s\n", slave_name);
1530 return qemu_chr_open_fd(master_fd, master_fd);
1531 }
1532
1533 static void tty_serial_init(int fd, int speed,
1534 int parity, int data_bits, int stop_bits)
1535 {
1536 struct termios tty;
1537 speed_t spd;
1538
1539 #if 0
1540 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1541 speed, parity, data_bits, stop_bits);
1542 #endif
1543 tcgetattr (fd, &tty);
1544
1545 switch(speed) {
1546 case 50:
1547 spd = B50;
1548 break;
1549 case 75:
1550 spd = B75;
1551 break;
1552 case 300:
1553 spd = B300;
1554 break;
1555 case 600:
1556 spd = B600;
1557 break;
1558 case 1200:
1559 spd = B1200;
1560 break;
1561 case 2400:
1562 spd = B2400;
1563 break;
1564 case 4800:
1565 spd = B4800;
1566 break;
1567 case 9600:
1568 spd = B9600;
1569 break;
1570 case 19200:
1571 spd = B19200;
1572 break;
1573 case 38400:
1574 spd = B38400;
1575 break;
1576 case 57600:
1577 spd = B57600;
1578 break;
1579 default:
1580 case 115200:
1581 spd = B115200;
1582 break;
1583 }
1584
1585 cfsetispeed(&tty, spd);
1586 cfsetospeed(&tty, spd);
1587
1588 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1589 |INLCR|IGNCR|ICRNL|IXON);
1590 tty.c_oflag |= OPOST;
1591 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1592 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS);
1593 switch(data_bits) {
1594 default:
1595 case 8:
1596 tty.c_cflag |= CS8;
1597 break;
1598 case 7:
1599 tty.c_cflag |= CS7;
1600 break;
1601 case 6:
1602 tty.c_cflag |= CS6;
1603 break;
1604 case 5:
1605 tty.c_cflag |= CS5;
1606 break;
1607 }
1608 switch(parity) {
1609 default:
1610 case 'N':
1611 break;
1612 case 'E':
1613 tty.c_cflag |= PARENB;
1614 break;
1615 case 'O':
1616 tty.c_cflag |= PARENB | PARODD;
1617 break;
1618 }
1619
1620 tcsetattr (fd, TCSANOW, &tty);
1621 }
1622
1623 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1624 {
1625 FDCharDriver *s = chr->opaque;
1626
1627 switch(cmd) {
1628 case CHR_IOCTL_SERIAL_SET_PARAMS:
1629 {
1630 QEMUSerialSetParams *ssp = arg;
1631 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1632 ssp->data_bits, ssp->stop_bits);
1633 }
1634 break;
1635 case CHR_IOCTL_SERIAL_SET_BREAK:
1636 {
1637 int enable = *(int *)arg;
1638 if (enable)
1639 tcsendbreak(s->fd_in, 1);
1640 }
1641 break;
1642 default:
1643 return -ENOTSUP;
1644 }
1645 return 0;
1646 }
1647
1648 CharDriverState *qemu_chr_open_tty(const char *filename)
1649 {
1650 CharDriverState *chr;
1651 int fd;
1652
1653 fd = open(filename, O_RDWR | O_NONBLOCK);
1654 if (fd < 0)
1655 return NULL;
1656 fcntl(fd, F_SETFL, O_NONBLOCK);
1657 tty_serial_init(fd, 115200, 'N', 8, 1);
1658 chr = qemu_chr_open_fd(fd, fd);
1659 if (!chr)
1660 return NULL;
1661 chr->chr_ioctl = tty_serial_ioctl;
1662 return chr;
1663 }
1664
1665 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1666 {
1667 int fd = (int)chr->opaque;
1668 uint8_t b;
1669
1670 switch(cmd) {
1671 case CHR_IOCTL_PP_READ_DATA:
1672 if (ioctl(fd, PPRDATA, &b) < 0)
1673 return -ENOTSUP;
1674 *(uint8_t *)arg = b;
1675 break;
1676 case CHR_IOCTL_PP_WRITE_DATA:
1677 b = *(uint8_t *)arg;
1678 if (ioctl(fd, PPWDATA, &b) < 0)
1679 return -ENOTSUP;
1680 break;
1681 case CHR_IOCTL_PP_READ_CONTROL:
1682 if (ioctl(fd, PPRCONTROL, &b) < 0)
1683 return -ENOTSUP;
1684 *(uint8_t *)arg = b;
1685 break;
1686 case CHR_IOCTL_PP_WRITE_CONTROL:
1687 b = *(uint8_t *)arg;
1688 if (ioctl(fd, PPWCONTROL, &b) < 0)
1689 return -ENOTSUP;
1690 break;
1691 case CHR_IOCTL_PP_READ_STATUS:
1692 if (ioctl(fd, PPRSTATUS, &b) < 0)
1693 return -ENOTSUP;
1694 *(uint8_t *)arg = b;
1695 break;
1696 default:
1697 return -ENOTSUP;
1698 }
1699 return 0;
1700 }
1701
1702 CharDriverState *qemu_chr_open_pp(const char *filename)
1703 {
1704 CharDriverState *chr;
1705 int fd;
1706
1707 fd = open(filename, O_RDWR);
1708 if (fd < 0)
1709 return NULL;
1710
1711 if (ioctl(fd, PPCLAIM) < 0) {
1712 close(fd);
1713 return NULL;
1714 }
1715
1716 chr = qemu_mallocz(sizeof(CharDriverState));
1717 if (!chr) {
1718 close(fd);
1719 return NULL;
1720 }
1721 chr->opaque = (void *)fd;
1722 chr->chr_write = null_chr_write;
1723 chr->chr_add_read_handler = null_chr_add_read_handler;
1724 chr->chr_ioctl = pp_ioctl;
1725 return chr;
1726 }
1727
1728 #else
1729 CharDriverState *qemu_chr_open_pty(void)
1730 {
1731 return NULL;
1732 }
1733 #endif
1734
1735 #endif /* !defined(_WIN32) */
1736
1737 #ifdef _WIN32
1738 typedef struct {
1739 IOCanRWHandler *fd_can_read;
1740 IOReadHandler *fd_read;
1741 void *win_opaque;
1742 int max_size;
1743 HANDLE hcom, hrecv, hsend;
1744 OVERLAPPED orecv, osend;
1745 BOOL fpipe;
1746 DWORD len;
1747 } WinCharState;
1748
1749 #define NSENDBUF 2048
1750 #define NRECVBUF 2048
1751 #define MAXCONNECT 1
1752 #define NTIMEOUT 5000
1753
1754 static int win_chr_poll(void *opaque);
1755 static int win_chr_pipe_poll(void *opaque);
1756
1757 static void win_chr_close2(WinCharState *s)
1758 {
1759 if (s->hsend) {
1760 CloseHandle(s->hsend);
1761 s->hsend = NULL;
1762 }
1763 if (s->hrecv) {
1764 CloseHandle(s->hrecv);
1765 s->hrecv = NULL;
1766 }
1767 if (s->hcom) {
1768 CloseHandle(s->hcom);
1769 s->hcom = NULL;
1770 }
1771 if (s->fpipe)
1772 qemu_del_polling_cb(win_chr_pipe_poll, s);
1773 else
1774 qemu_del_polling_cb(win_chr_poll, s);
1775 }
1776
1777 static void win_chr_close(CharDriverState *chr)
1778 {
1779 WinCharState *s = chr->opaque;
1780 win_chr_close2(s);
1781 }
1782
1783 static int win_chr_init(WinCharState *s, const char *filename)
1784 {
1785 COMMCONFIG comcfg;
1786 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1787 COMSTAT comstat;
1788 DWORD size;
1789 DWORD err;
1790
1791 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1792 if (!s->hsend) {
1793 fprintf(stderr, "Failed CreateEvent\n");
1794 goto fail;
1795 }
1796 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1797 if (!s->hrecv) {
1798 fprintf(stderr, "Failed CreateEvent\n");
1799 goto fail;
1800 }
1801
1802 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1803 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1804 if (s->hcom == INVALID_HANDLE_VALUE) {
1805 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1806 s->hcom = NULL;
1807 goto fail;
1808 }
1809
1810 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1811 fprintf(stderr, "Failed SetupComm\n");
1812 goto fail;
1813 }
1814
1815 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1816 size = sizeof(COMMCONFIG);
1817 GetDefaultCommConfig(filename, &comcfg, &size);
1818 comcfg.dcb.DCBlength = sizeof(DCB);
1819 CommConfigDialog(filename, NULL, &comcfg);
1820
1821 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1822 fprintf(stderr, "Failed SetCommState\n");
1823 goto fail;
1824 }
1825
1826 if (!SetCommMask(s->hcom, EV_ERR)) {
1827 fprintf(stderr, "Failed SetCommMask\n");
1828 goto fail;
1829 }
1830
1831 cto.ReadIntervalTimeout = MAXDWORD;
1832 if (!SetCommTimeouts(s->hcom, &cto)) {
1833 fprintf(stderr, "Failed SetCommTimeouts\n");
1834 goto fail;
1835 }
1836
1837 if (!ClearCommError(s->hcom, &err, &comstat)) {
1838 fprintf(stderr, "Failed ClearCommError\n");
1839 goto fail;
1840 }
1841 qemu_add_polling_cb(win_chr_poll, s);
1842 return 0;
1843
1844 fail:
1845 win_chr_close2(s);
1846 return -1;
1847 }
1848
1849 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1850 {
1851 WinCharState *s = chr->opaque;
1852 DWORD len, ret, size, err;
1853
1854 len = len1;
1855 ZeroMemory(&s->osend, sizeof(s->osend));
1856 s->osend.hEvent = s->hsend;
1857 while (len > 0) {
1858 if (s->hsend)
1859 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1860 else
1861 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1862 if (!ret) {
1863 err = GetLastError();
1864 if (err == ERROR_IO_PENDING) {
1865 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1866 if (ret) {
1867 buf += size;
1868 len -= size;
1869 } else {
1870 break;
1871 }
1872 } else {
1873 break;
1874 }
1875 } else {
1876 buf += size;
1877 len -= size;
1878 }
1879 }
1880 return len1 - len;
1881 }
1882
1883 static int win_chr_read_poll(WinCharState *s)
1884 {
1885 s->max_size = s->fd_can_read(s->win_opaque);
1886 return s->max_size;
1887 }
1888
1889 static void win_chr_readfile(WinCharState *s)
1890 {
1891 int ret, err;
1892 uint8_t buf[1024];
1893 DWORD size;
1894
1895 ZeroMemory(&s->orecv, sizeof(s->orecv));
1896 s->orecv.hEvent = s->hrecv;
1897 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1898 if (!ret) {
1899 err = GetLastError();
1900 if (err == ERROR_IO_PENDING) {
1901 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1902 }
1903 }
1904
1905 if (size > 0) {
1906 s->fd_read(s->win_opaque, buf, size);
1907 }
1908 }
1909
1910 static void win_chr_read(WinCharState *s)
1911 {
1912 if (s->len > s->max_size)
1913 s->len = s->max_size;
1914 if (s->len == 0)
1915 return;
1916
1917 win_chr_readfile(s);
1918 }
1919
1920 static int win_chr_poll(void *opaque)
1921 {
1922 WinCharState *s = opaque;
1923 COMSTAT status;
1924 DWORD comerr;
1925
1926 ClearCommError(s->hcom, &comerr, &status);
1927 if (status.cbInQue > 0) {
1928 s->len = status.cbInQue;
1929 win_chr_read_poll(s);
1930 win_chr_read(s);
1931 return 1;
1932 }
1933 return 0;
1934 }
1935
1936 static void win_chr_add_read_handler(CharDriverState *chr,
1937 IOCanRWHandler *fd_can_read,
1938 IOReadHandler *fd_read, void *opaque)
1939 {
1940 WinCharState *s = chr->opaque;
1941
1942 s->fd_can_read = fd_can_read;
1943 s->fd_read = fd_read;
1944 s->win_opaque = opaque;
1945 }
1946
1947 CharDriverState *qemu_chr_open_win(const char *filename)
1948 {
1949 CharDriverState *chr;
1950 WinCharState *s;
1951
1952 chr = qemu_mallocz(sizeof(CharDriverState));
1953 if (!chr)
1954 return NULL;
1955 s = qemu_mallocz(sizeof(WinCharState));
1956 if (!s) {
1957 free(chr);
1958 return NULL;
1959 }
1960 chr->opaque = s;
1961 chr->chr_write = win_chr_write;
1962 chr->chr_add_read_handler = win_chr_add_read_handler;
1963 chr->chr_close = win_chr_close;
1964
1965 if (win_chr_init(s, filename) < 0) {
1966 free(s);
1967 free(chr);
1968 return NULL;
1969 }
1970 return chr;
1971 }
1972
1973 static int win_chr_pipe_poll(void *opaque)
1974 {
1975 WinCharState *s = opaque;
1976 DWORD size;
1977
1978 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1979 if (size > 0) {
1980 s->len = size;
1981 win_chr_read_poll(s);
1982 win_chr_read(s);
1983 return 1;
1984 }
1985 return 0;
1986 }
1987
1988 static int win_chr_pipe_init(WinCharState *s, const char *filename)
1989 {
1990 OVERLAPPED ov;
1991 int ret;
1992 DWORD size;
1993 char openname[256];
1994
1995 s->fpipe = TRUE;
1996
1997 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1998 if (!s->hsend) {
1999 fprintf(stderr, "Failed CreateEvent\n");
2000 goto fail;
2001 }
2002 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2003 if (!s->hrecv) {
2004 fprintf(stderr, "Failed CreateEvent\n");
2005 goto fail;
2006 }
2007
2008 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2009 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2010 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2011 PIPE_WAIT,
2012 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2013 if (s->hcom == INVALID_HANDLE_VALUE) {
2014 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2015 s->hcom = NULL;
2016 goto fail;
2017 }
2018
2019 ZeroMemory(&ov, sizeof(ov));
2020 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2021 ret = ConnectNamedPipe(s->hcom, &ov);
2022 if (ret) {
2023 fprintf(stderr, "Failed ConnectNamedPipe\n");
2024 goto fail;
2025 }
2026
2027 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2028 if (!ret) {
2029 fprintf(stderr, "Failed GetOverlappedResult\n");
2030 if (ov.hEvent) {
2031 CloseHandle(ov.hEvent);
2032 ov.hEvent = NULL;
2033 }
2034 goto fail;
2035 }
2036
2037 if (ov.hEvent) {
2038 CloseHandle(ov.hEvent);
2039 ov.hEvent = NULL;
2040 }
2041 qemu_add_polling_cb(win_chr_pipe_poll, s);
2042 return 0;
2043
2044 fail:
2045 win_chr_close2(s);
2046 return -1;
2047 }
2048
2049
2050 CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2051 {
2052 CharDriverState *chr;
2053 WinCharState *s;
2054
2055 chr = qemu_mallocz(sizeof(CharDriverState));
2056 if (!chr)
2057 return NULL;
2058 s = qemu_mallocz(sizeof(WinCharState));
2059 if (!s) {
2060 free(chr);
2061 return NULL;
2062 }
2063 chr->opaque = s;
2064 chr->chr_write = win_chr_write;
2065 chr->chr_add_read_handler = win_chr_add_read_handler;
2066 chr->chr_close = win_chr_close;
2067
2068 if (win_chr_pipe_init(s, filename) < 0) {
2069 free(s);
2070 free(chr);
2071 return NULL;
2072 }
2073 return chr;
2074 }
2075
2076 CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2077 {
2078 CharDriverState *chr;
2079 WinCharState *s;
2080
2081 chr = qemu_mallocz(sizeof(CharDriverState));
2082 if (!chr)
2083 return NULL;
2084 s = qemu_mallocz(sizeof(WinCharState));
2085 if (!s) {
2086 free(chr);
2087 return NULL;
2088 }
2089 s->hcom = fd_out;
2090 chr->opaque = s;
2091 chr->chr_write = win_chr_write;
2092 chr->chr_add_read_handler = win_chr_add_read_handler;
2093 return chr;
2094 }
2095
2096 CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2097 {
2098 HANDLE fd_out;
2099
2100 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2101 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2102 if (fd_out == INVALID_HANDLE_VALUE)
2103 return NULL;
2104
2105 return qemu_chr_open_win_file(fd_out);
2106 }
2107 #endif
2108
2109 CharDriverState *qemu_chr_open(const char *filename)
2110 {
2111 const char *p;
2112
2113 if (!strcmp(filename, "vc")) {
2114 return text_console_init(&display_state);
2115 } else if (!strcmp(filename, "null")) {
2116 return qemu_chr_open_null();
2117 } else
2118 #ifndef _WIN32
2119 if (strstart(filename, "file:", &p)) {
2120 return qemu_chr_open_file_out(p);
2121 } else if (strstart(filename, "pipe:", &p)) {
2122 return qemu_chr_open_pipe(p);
2123 } else if (!strcmp(filename, "pty")) {
2124 return qemu_chr_open_pty();
2125 } else if (!strcmp(filename, "stdio")) {
2126 return qemu_chr_open_stdio();
2127 } else
2128 #endif
2129 #if defined(__linux__)
2130 if (strstart(filename, "/dev/parport", NULL)) {
2131 return qemu_chr_open_pp(filename);
2132 } else
2133 if (strstart(filename, "/dev/", NULL)) {
2134 return qemu_chr_open_tty(filename);
2135 } else
2136 #endif
2137 #ifdef _WIN32
2138 if (strstart(filename, "COM", NULL)) {
2139 return qemu_chr_open_win(filename);
2140 } else
2141 if (strstart(filename, "pipe:", &p)) {
2142 return qemu_chr_open_win_pipe(p);
2143 } else
2144 if (strstart(filename, "file:", &p)) {
2145 return qemu_chr_open_win_file_out(p);
2146 }
2147 #endif
2148 {
2149 return NULL;
2150 }
2151 }
2152
2153 void qemu_chr_close(CharDriverState *chr)
2154 {
2155 if (chr->chr_close)
2156 chr->chr_close(chr);
2157 }
2158
2159 /***********************************************************/
2160 /* network device redirectors */
2161
2162 void hex_dump(FILE *f, const uint8_t *buf, int size)
2163 {
2164 int len, i, j, c;
2165
2166 for(i=0;i<size;i+=16) {
2167 len = size - i;
2168 if (len > 16)
2169 len = 16;
2170 fprintf(f, "%08x ", i);
2171 for(j=0;j<16;j++) {
2172 if (j < len)
2173 fprintf(f, " %02x", buf[i+j]);
2174 else
2175 fprintf(f, " ");
2176 }
2177 fprintf(f, " ");
2178 for(j=0;j<len;j++) {
2179 c = buf[i+j];
2180 if (c < ' ' || c > '~')
2181 c = '.';
2182 fprintf(f, "%c", c);
2183 }
2184 fprintf(f, "\n");
2185 }
2186 }
2187
2188 static int parse_macaddr(uint8_t *macaddr, const char *p)
2189 {
2190 int i;
2191 for(i = 0; i < 6; i++) {
2192 macaddr[i] = strtol(p, (char **)&p, 16);
2193 if (i == 5) {
2194 if (*p != '\0')
2195 return -1;
2196 } else {
2197 if (*p != ':')
2198 return -1;
2199 p++;
2200 }
2201 }
2202 return 0;
2203 }
2204
2205 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
2206 {
2207 const char *p, *p1;
2208 int len;
2209 p = *pp;
2210 p1 = strchr(p, sep);
2211 if (!p1)
2212 return -1;
2213 len = p1 - p;
2214 p1++;
2215 if (buf_size > 0) {
2216 if (len > buf_size - 1)
2217 len = buf_size - 1;
2218 memcpy(buf, p, len);
2219 buf[len] = '\0';
2220 }
2221 *pp = p1;
2222 return 0;
2223 }
2224
2225 int parse_host_port(struct sockaddr_in *saddr, const char *str)
2226 {
2227 char buf[512];
2228 struct hostent *he;
2229 const char *p, *r;
2230 int port;
2231
2232 p = str;
2233 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2234 return -1;
2235 saddr->sin_family = AF_INET;
2236 if (buf[0] == '\0') {
2237 saddr->sin_addr.s_addr = 0;
2238 } else {
2239 if (isdigit(buf[0])) {
2240 if (!inet_aton(buf, &saddr->sin_addr))
2241 return -1;
2242 } else {
2243 if ((he = gethostbyname(buf)) == NULL)
2244 return - 1;
2245 saddr->sin_addr = *(struct in_addr *)he->h_addr;
2246 }
2247 }
2248 port = strtol(p, (char **)&r, 0);
2249 if (r == p)
2250 return -1;
2251 saddr->sin_port = htons(port);
2252 return 0;
2253 }
2254
2255 /* find or alloc a new VLAN */
2256 VLANState *qemu_find_vlan(int id)
2257 {
2258 VLANState **pvlan, *vlan;
2259 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
2260 if (vlan->id == id)
2261 return vlan;
2262 }
2263 vlan = qemu_mallocz(sizeof(VLANState));
2264 if (!vlan)
2265 return NULL;
2266 vlan->id = id;
2267 vlan->next = NULL;
2268 pvlan = &first_vlan;
2269 while (*pvlan != NULL)
2270 pvlan = &(*pvlan)->next;
2271 *pvlan = vlan;
2272 return vlan;
2273 }
2274
2275 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
2276 IOReadHandler *fd_read,
2277 IOCanRWHandler *fd_can_read,
2278 void *opaque)
2279 {
2280 VLANClientState *vc, **pvc;
2281 vc = qemu_mallocz(sizeof(VLANClientState));
2282 if (!vc)
2283 return NULL;
2284 vc->fd_read = fd_read;
2285 vc->fd_can_read = fd_can_read;
2286 vc->opaque = opaque;
2287 vc->vlan = vlan;
2288
2289 vc->next = NULL;
2290 pvc = &vlan->first_client;
2291 while (*pvc != NULL)
2292 pvc = &(*pvc)->next;
2293 *pvc = vc;
2294 return vc;
2295 }
2296
2297 int qemu_can_send_packet(VLANClientState *vc1)
2298 {
2299 VLANState *vlan = vc1->vlan;
2300 VLANClientState *vc;
2301
2302 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2303 if (vc != vc1) {
2304 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
2305 return 0;
2306 }
2307 }
2308 return 1;
2309 }
2310
2311 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
2312 {
2313 VLANState *vlan = vc1->vlan;
2314 VLANClientState *vc;
2315
2316 #if 0
2317 printf("vlan %d send:\n", vlan->id);
2318 hex_dump(stdout, buf, size);
2319 #endif
2320 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
2321 if (vc != vc1) {
2322 vc->fd_read(vc->opaque, buf, size);
2323 }
2324 }
2325 }
2326
2327 #if defined(CONFIG_SLIRP)
2328
2329 /* slirp network adapter */
2330
2331 static int slirp_inited;
2332 static VLANClientState *slirp_vc;
2333
2334 int slirp_can_output(void)
2335 {
2336 return !slirp_vc || qemu_can_send_packet(slirp_vc);
2337 }
2338
2339 void slirp_output(const uint8_t *pkt, int pkt_len)
2340 {
2341 #if 0
2342 printf("slirp output:\n");
2343 hex_dump(stdout, pkt, pkt_len);
2344 #endif
2345 if (!slirp_vc)
2346 return;
2347 qemu_send_packet(slirp_vc, pkt, pkt_len);
2348 }
2349
2350 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
2351 {
2352 #if 0
2353 printf("slirp input:\n");
2354 hex_dump(stdout, buf, size);
2355 #endif
2356 slirp_input(buf, size);
2357 }
2358
2359 static int net_slirp_init(VLANState *vlan)
2360 {
2361 if (!slirp_inited) {
2362 slirp_inited = 1;
2363 slirp_init();
2364 }
2365 slirp_vc = qemu_new_vlan_client(vlan,
2366 slirp_receive, NULL, NULL);
2367 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
2368 return 0;
2369 }
2370
2371 static void net_slirp_redir(const char *redir_str)
2372 {
2373 int is_udp;
2374 char buf[256], *r;
2375 const char *p;
2376 struct in_addr guest_addr;
2377 int host_port, guest_port;
2378
2379 if (!slirp_inited) {
2380 slirp_inited = 1;
2381 slirp_init();
2382 }
2383
2384 p = redir_str;
2385 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2386 goto fail;
2387 if (!strcmp(buf, "tcp")) {
2388 is_udp = 0;
2389 } else if (!strcmp(buf, "udp")) {
2390 is_udp = 1;
2391 } else {
2392 goto fail;
2393 }
2394
2395 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2396 goto fail;
2397 host_port = strtol(buf, &r, 0);
2398 if (r == buf)
2399 goto fail;
2400
2401 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
2402 goto fail;
2403 if (buf[0] == '\0') {
2404 pstrcpy(buf, sizeof(buf), "10.0.2.15");
2405 }
2406 if (!inet_aton(buf, &guest_addr))
2407 goto fail;
2408
2409 guest_port = strtol(p, &r, 0);
2410 if (r == p)
2411 goto fail;
2412
2413 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
2414 fprintf(stderr, "qemu: could not set up redirection\n");
2415 exit(1);
2416 }
2417 return;
2418 fail:
2419 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
2420 exit(1);
2421 }
2422
2423 #ifndef _WIN32
2424
2425 char smb_dir[1024];
2426
2427 static void smb_exit(void)
2428 {
2429 DIR *d;
2430 struct dirent *de;
2431 char filename[1024];
2432
2433 /* erase all the files in the directory */
2434 d = opendir(smb_dir);
2435 for(;;) {
2436 de = readdir(d);
2437 if (!de)
2438 break;
2439 if (strcmp(de->d_name, ".") != 0 &&
2440 strcmp(de->d_name, "..") != 0) {
2441 snprintf(filename, sizeof(filename), "%s/%s",
2442 smb_dir, de->d_name);
2443 unlink(filename);
2444 }
2445 }
2446 closedir(d);
2447 rmdir(smb_dir);
2448 }
2449
2450 /* automatic user mode samba server configuration */
2451 void net_slirp_smb(const char *exported_dir)
2452 {
2453 char smb_conf[1024];
2454 char smb_cmdline[1024];
2455 FILE *f;
2456
2457 if (!slirp_inited) {
2458 slirp_inited = 1;
2459 slirp_init();
2460 }
2461
2462 /* XXX: better tmp dir construction */
2463 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
2464 if (mkdir(smb_dir, 0700) < 0) {
2465 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
2466 exit(1);
2467 }
2468 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
2469
2470 f = fopen(smb_conf, "w");
2471 if (!f) {
2472 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
2473 exit(1);
2474 }
2475 fprintf(f,
2476 "[global]\n"
2477 "private dir=%s\n"
2478 "smb ports=0\n"
2479 "socket address=127.0.0.1\n"
2480 "pid directory=%s\n"
2481 "lock directory=%s\n"
2482 "log file=%s/log.smbd\n"
2483 "smb passwd file=%s/smbpasswd\n"
2484 "security = share\n"
2485 "[qemu]\n"
2486 "path=%s\n"
2487 "read only=no\n"
2488 "guest ok=yes\n",
2489 smb_dir,
2490 smb_dir,
2491 smb_dir,
2492 smb_dir,
2493 smb_dir,
2494 exported_dir
2495 );
2496 fclose(f);
2497 atexit(smb_exit);
2498
2499 snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
2500 smb_conf);
2501
2502 slirp_add_exec(0, smb_cmdline, 4, 139);
2503 }
2504
2505 #endif /* !defined(_WIN32) */
2506
2507 #endif /* CONFIG_SLIRP */
2508
2509 #if !defined(_WIN32)
2510
2511 typedef struct TAPState {
2512 VLANClientState *vc;
2513 int fd;
2514 } TAPState;
2515
2516 static void tap_receive(void *opaque, const uint8_t *buf, int size)
2517 {
2518 TAPState *s = opaque;
2519 int ret;
2520 for(;;) {
2521 ret = write(s->fd, buf, size);
2522 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
2523 } else {
2524 break;
2525 }
2526 }
2527 }
2528
2529 static void tap_send(void *opaque)
2530 {
2531 TAPState *s = opaque;
2532 uint8_t buf[4096];
2533 int size;
2534
2535 size = read(s->fd, buf, sizeof(buf));
2536 if (size > 0) {
2537 qemu_send_packet(s->vc, buf, size);
2538 }
2539 }
2540
2541 /* fd support */
2542
2543 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
2544 {
2545 TAPState *s;
2546
2547 s = qemu_mallocz(sizeof(TAPState));
2548 if (!s)
2549 return NULL;
2550 s->fd = fd;
2551 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
2552 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
2553 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
2554 return s;
2555 }
2556
2557 #ifdef _BSD
2558 static int tap_open(char *ifname, int ifname_size)
2559 {
2560 int fd;
2561 char *dev;
2562 struct stat s;
2563
2564 fd = open("/dev/tap", O_RDWR);
2565 if (fd < 0) {
2566 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
2567 return -1;
2568 }
2569
2570 fstat(fd, &s);
2571 dev = devname(s.st_rdev, S_IFCHR);
2572 pstrcpy(ifname, ifname_size, dev);
2573
2574 fcntl(fd, F_SETFL, O_NONBLOCK);
2575 return fd;
2576 }
2577 #elif defined(__sun__)
2578 static int tap_open(char *ifname, int ifname_size)
2579 {
2580 fprintf(stderr, "warning: tap_open not yet implemented\n");
2581 return -1;
2582 }
2583 #else
2584 static int tap_open(char *ifname, int ifname_size)
2585 {
2586 struct ifreq ifr;
2587 int fd, ret;
2588
2589 fd = open("/dev/net/tun", O_RDWR);
2590 if (fd < 0) {
2591 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
2592 return -1;
2593 }
2594 memset(&ifr, 0, sizeof(ifr));
2595 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
2596 if (ifname[0] != '\0')
2597 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
2598 else
2599 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
2600 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
2601 if (ret != 0) {
2602 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
2603 close(fd);
2604 return -1;
2605 }
2606 pstrcpy(ifname, ifname_size, ifr.ifr_name);
2607 fcntl(fd, F_SETFL, O_NONBLOCK);
2608 return fd;
2609 }
2610 #endif
2611
2612 static int net_tap_init(VLANState *vlan, const char *ifname1,
2613 const char *setup_script)
2614 {
2615 TAPState *s;
2616 int pid, status, fd;
2617 char *args[3];
2618 char **parg;
2619 char ifname[128];
2620
2621 if (ifname1 != NULL)
2622 pstrcpy(ifname, sizeof(ifname), ifname1);
2623 else
2624 ifname[0] = '\0';
2625 fd = tap_open(ifname, sizeof(ifname));
2626 if (fd < 0)
2627 return -1;
2628
2629 if (!setup_script)
2630 setup_script = "";
2631 if (setup_script[0] != '\0') {
2632 /* try to launch network init script */
2633 pid = fork();
2634 if (pid >= 0) {
2635 if (pid == 0) {
2636 parg = args;
2637 *parg++ = (char *)setup_script;
2638 *parg++ = ifname;
2639 *parg++ = NULL;
2640 execv(setup_script, args);
2641 _exit(1);
2642 }
2643 while (waitpid(pid, &status, 0) != pid);
2644 if (!WIFEXITED(status) ||
2645 WEXITSTATUS(status) != 0) {
2646 fprintf(stderr, "%s: could not launch network script\n",
2647 setup_script);
2648 return -1;
2649 }
2650 }
2651 }
2652 s = net_tap_fd_init(vlan, fd);
2653 if (!s)
2654 return -1;
2655 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
2656 "tap: ifname=%s setup_script=%s", ifname, setup_script);
2657 return 0;
2658 }
2659
2660 #endif /* !_WIN32 */
2661
2662 /* network connection */
2663 typedef struct NetSocketState {
2664 VLANClientState *vc;
2665 int fd;
2666 int state; /* 0 = getting length, 1 = getting data */
2667 int index;
2668 int packet_len;
2669 uint8_t buf[4096];
2670 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
2671 } NetSocketState;
2672
2673 typedef struct NetSocketListenState {
2674 VLANState *vlan;
2675 int fd;
2676 } NetSocketListenState;
2677
2678 /* XXX: we consider we can send the whole packet without blocking */
2679 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
2680 {
2681 NetSocketState *s = opaque;
2682 uint32_t len;
2683 len = htonl(size);
2684
2685 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
2686 send_all(s->fd, buf, size);
2687 }
2688
2689 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
2690 {
2691 NetSocketState *s = opaque;
2692 sendto(s->fd, buf, size, 0,
2693 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
2694 }
2695
2696 static void net_socket_send(void *opaque)
2697 {
2698 NetSocketState *s = opaque;
2699 int l, size, err;
2700 uint8_t buf1[4096];
2701 const uint8_t *buf;
2702
2703 size = recv(s->fd, buf1, sizeof(buf1), 0);
2704 if (size < 0) {
2705 err = socket_error();
2706 if (err != EWOULDBLOCK)
2707 goto eoc;
2708 } else if (size == 0) {
2709 /* end of connection */
2710 eoc:
2711 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2712 closesocket(s->fd);
2713 return;
2714 }
2715 buf = buf1;
2716 while (size > 0) {
2717 /* reassemble a packet from the network */
2718 switch(s->state) {
2719 case 0:
2720 l = 4 - s->index;
2721 if (l > size)
2722 l = size;
2723 memcpy(s->buf + s->index, buf, l);
2724 buf += l;
2725 size -= l;
2726 s->index += l;
2727 if (s->index == 4) {
2728 /* got length */
2729 s->packet_len = ntohl(*(uint32_t *)s->buf);
2730 s->index = 0;
2731 s->state = 1;
2732 }
2733 break;
2734 case 1:
2735 l = s->packet_len - s->index;
2736 if (l > size)
2737 l = size;
2738 memcpy(s->buf + s->index, buf, l);
2739 s->index += l;
2740 buf += l;
2741 size -= l;
2742 if (s->index >= s->packet_len) {
2743 qemu_send_packet(s->vc, s->buf, s->packet_len);
2744 s->index = 0;
2745 s->state = 0;
2746 }
2747 break;
2748 }
2749 }
2750 }
2751
2752 static void net_socket_send_dgram(void *opaque)
2753 {
2754 NetSocketState *s = opaque;
2755 int size;
2756
2757 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
2758 if (size < 0)
2759 return;
2760 if (size == 0) {
2761 /* end of connection */
2762 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2763 return;
2764 }
2765 qemu_send_packet(s->vc, s->buf, size);
2766 }
2767
2768 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
2769 {
2770 struct ip_mreq imr;
2771 int fd;
2772 int val, ret;
2773 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
2774 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
2775 inet_ntoa(mcastaddr->sin_addr),
2776 (int)ntohl(mcastaddr->sin_addr.s_addr));
2777 return -1;
2778
2779 }
2780 fd = socket(PF_INET, SOCK_DGRAM, 0);
2781 if (fd < 0) {
2782 perror("socket(PF_INET, SOCK_DGRAM)");
2783 return -1;
2784 }
2785
2786 val = 1;
2787 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
2788 (const char *)&val, sizeof(val));
2789 if (ret < 0) {
2790 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
2791 goto fail;
2792 }
2793
2794 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
2795 if (ret < 0) {
2796 perror("bind");
2797 goto fail;
2798 }
2799
2800 /* Add host to multicast group */
2801 imr.imr_multiaddr = mcastaddr->sin_addr;
2802 imr.imr_interface.s_addr = htonl(INADDR_ANY);
2803
2804 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
2805 (const char *)&imr, sizeof(struct ip_mreq));
2806 if (ret < 0) {
2807 perror("setsockopt(IP_ADD_MEMBERSHIP)");
2808 goto fail;
2809 }
2810
2811 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
2812 val = 1;
2813 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
2814 (const char *)&val, sizeof(val));
2815 if (ret < 0) {
2816 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
2817 goto fail;
2818 }
2819
2820 socket_set_nonblock(fd);
2821 return fd;
2822 fail:
2823 if (fd>=0) close(fd);
2824 return -1;
2825 }
2826
2827 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
2828 int is_connected)
2829 {
2830 struct sockaddr_in saddr;
2831 int newfd;
2832 socklen_t saddr_len;
2833 NetSocketState *s;
2834
2835 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
2836 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
2837 * by ONLY ONE process: we must "clone" this dgram socket --jjo
2838 */
2839
2840 if (is_connected) {
2841 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
2842 /* must be bound */
2843 if (saddr.sin_addr.s_addr==0) {
2844 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
2845 fd);
2846 return NULL;
2847 }
2848 /* clone dgram socket */
2849 newfd = net_socket_mcast_create(&saddr);
2850 if (newfd < 0) {
2851 /* error already reported by net_socket_mcast_create() */
2852 close(fd);
2853 return NULL;
2854 }
2855 /* clone newfd to fd, close newfd */
2856 dup2(newfd, fd);
2857 close(newfd);
2858
2859 } else {
2860 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
2861 fd, strerror(errno));
2862 return NULL;
2863 }
2864 }
2865
2866 s = qemu_mallocz(sizeof(NetSocketState));
2867 if (!s)
2868 return NULL;
2869 s->fd = fd;
2870
2871 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
2872 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
2873
2874 /* mcast: save bound address as dst */
2875 if (is_connected) s->dgram_dst=saddr;
2876
2877 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
2878 "socket: fd=%d (%s mcast=%s:%d)",
2879 fd, is_connected? "cloned" : "",
2880 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
2881 return s;
2882 }
2883
2884 static void net_socket_connect(void *opaque)
2885 {
2886 NetSocketState *s = opaque;
2887 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
2888 }
2889
2890 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
2891 int is_connected)
2892 {
2893 NetSocketState *s;
2894 s = qemu_mallocz(sizeof(NetSocketState));
2895 if (!s)
2896 return NULL;
2897 s->fd = fd;
2898 s->vc = qemu_new_vlan_client(vlan,
2899 net_socket_receive, NULL, s);
2900 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
2901 "socket: fd=%d", fd);
2902 if (is_connected) {
2903 net_socket_connect(s);
2904 } else {
2905 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
2906 }
2907 return s;
2908 }
2909
2910 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
2911 int is_connected)
2912 {
2913 int so_type=-1, optlen=sizeof(so_type);
2914
2915 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
2916 fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
2917 return NULL;
2918 }
2919 switch(so_type) {
2920 case SOCK_DGRAM:
2921 return net_socket_fd_init_dgram(vlan, fd, is_connected);
2922 case SOCK_STREAM:
2923 return net_socket_fd_init_stream(vlan, fd, is_connected);
2924 default:
2925 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
2926 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
2927 return net_socket_fd_init_stream(vlan, fd, is_connected);
2928 }
2929 return NULL;
2930 }
2931
2932 static void net_socket_accept(void *opaque)
2933 {
2934 NetSocketListenState *s = opaque;
2935 NetSocketState *s1;
2936 struct sockaddr_in saddr;
2937 socklen_t len;
2938 int fd;
2939
2940 for(;;) {
2941 len = sizeof(saddr);
2942 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
2943 if (fd < 0 && errno != EINTR) {
2944 return;
2945 } else if (fd >= 0) {
2946 break;
2947 }
2948 }
2949 s1 = net_socket_fd_init(s->vlan, fd, 1);
2950 if (!s1) {
2951 close(fd);
2952 } else {
2953 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
2954 "socket: connection from %s:%d",
2955 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
2956 }
2957 }
2958
2959 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
2960 {
2961 NetSocketListenState *s;
2962 int fd, val, ret;
2963 struct sockaddr_in saddr;
2964
2965 if (parse_host_port(&saddr, host_str) < 0)
2966 return -1;
2967
2968 s = qemu_mallocz(sizeof(NetSocketListenState));
2969 if (!s)
2970 return -1;
2971
2972 fd = socket(PF_INET, SOCK_STREAM, 0);
2973 if (fd < 0) {
2974 perror("socket");
2975 return -1;
2976 }
2977 socket_set_nonblock(fd);
2978
2979 /* allow fast reuse */
2980 val = 1;
2981 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2982
2983 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
2984 if (ret < 0) {
2985 perror("bind");
2986 return -1;
2987 }
2988 ret = listen(fd, 0);
2989 if (ret < 0) {
2990 perror("listen");
2991 return -1;
2992 }
2993 s->vlan = vlan;
2994 s->fd = fd;
2995 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
2996 return 0;
2997 }
2998
2999 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
3000 {
3001 NetSocketState *s;
3002 int fd, connected, ret, err;
3003 struct sockaddr_in saddr;
3004
3005 if (parse_host_port(&saddr, host_str) < 0)
3006 return -1;
3007
3008 fd = socket(PF_INET, SOCK_STREAM, 0);
3009 if (fd < 0) {
3010 perror("socket");
3011 return -1;
3012 }
3013 socket_set_nonblock(fd);
3014
3015 connected = 0;
3016 for(;;) {
3017 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
3018 if (ret < 0) {
3019 err = socket_error();
3020 if (err == EINTR || err == EWOULDBLOCK) {
3021 } else if (err == EINPROGRESS) {
3022 break;
3023 } else {
3024 perror("connect");
3025 closesocket(fd);
3026 return -1;
3027 }
3028 } else {
3029 connected = 1;
3030 break;
3031 }
3032 }
3033 s = net_socket_fd_init(vlan, fd, connected);
3034 if (!s)
3035 return -1;
3036 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3037 "socket: connect to %s:%d",
3038 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3039 return 0;
3040 }
3041
3042 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
3043 {
3044 NetSocketState *s;
3045 int fd;
3046 struct sockaddr_in saddr;
3047
3048 if (parse_host_port(&saddr, host_str) < 0)
3049 return -1;
3050
3051
3052 fd = net_socket_mcast_create(&saddr);
3053 if (fd < 0)
3054 return -1;
3055
3056 s = net_socket_fd_init(vlan, fd, 0);
3057 if (!s)
3058 return -1;
3059
3060 s->dgram_dst = saddr;
3061
3062 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3063 "socket: mcast=%s:%d",
3064 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3065 return 0;
3066
3067 }
3068
3069 static int get_param_value(char *buf, int buf_size,
3070 const char *tag, const char *str)
3071 {
3072 const char *p;
3073 char *q;
3074 char option[128];
3075
3076 p = str;
3077 for(;;) {
3078 q = option;
3079 while (*p != '\0' && *p != '=') {
3080 if ((q - option) < sizeof(option) - 1)
3081 *q++ = *p;
3082 p++;
3083 }
3084 *q = '\0';
3085 if (*p != '=')
3086 break;
3087 p++;
3088 if (!strcmp(tag, option)) {
3089 q = buf;
3090 while (*p != '\0' && *p != ',') {
3091 if ((q - buf) < buf_size - 1)
3092 *q++ = *p;
3093 p++;
3094 }
3095 *q = '\0';
3096 return q - buf;
3097 } else {
3098 while (*p != '\0' && *p != ',') {
3099 p++;
3100 }
3101 }
3102 if (*p != ',')
3103 break;
3104 p++;
3105 }
3106 return 0;
3107 }
3108
3109 int net_client_init(const char *str)
3110 {
3111 const char *p;
3112 char *q;
3113 char device[64];
3114 char buf[1024];
3115 int vlan_id, ret;
3116 VLANState *vlan;
3117
3118 p = str;
3119 q = device;
3120 while (*p != '\0' && *p != ',') {
3121 if ((q - device) < sizeof(device) - 1)
3122 *q++ = *p;
3123 p++;
3124 }
3125 *q = '\0';
3126 if (*p == ',')
3127 p++;
3128 vlan_id = 0;
3129 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
3130 vlan_id = strtol(buf, NULL, 0);
3131 }
3132 vlan = qemu_find_vlan(vlan_id);
3133 if (!vlan) {
3134 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
3135 return -1;
3136 }
3137 if (!strcmp(device, "nic")) {
3138 NICInfo *nd;
3139 uint8_t *macaddr;
3140
3141 if (nb_nics >= MAX_NICS) {
3142 fprintf(stderr, "Too Many NICs\n");
3143 return -1;
3144 }
3145 nd = &nd_table[nb_nics];
3146 macaddr = nd->macaddr;
3147 macaddr[0] = 0x52;
3148 macaddr[1] = 0x54;
3149 macaddr[2] = 0x00;
3150 macaddr[3] = 0x12;
3151 macaddr[4] = 0x34;
3152 macaddr[5] = 0x56 + nb_nics;
3153
3154 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
3155 if (parse_macaddr(macaddr, buf) < 0) {
3156 fprintf(stderr, "invalid syntax for ethernet address\n");
3157 return -1;
3158 }
3159 }
3160 if (get_param_value(buf, sizeof(buf), "model", p)) {
3161 nd->model = strdup(buf);
3162 }
3163 nd->vlan = vlan;
3164 nb_nics++;
3165 ret = 0;
3166 } else
3167 if (!strcmp(device, "none")) {
3168 /* does nothing. It is needed to signal that no network cards
3169 are wanted */
3170 ret = 0;
3171 } else
3172 #ifdef CONFIG_SLIRP
3173 if (!strcmp(device, "user")) {
3174 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
3175 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
3176 }
3177 ret = net_slirp_init(vlan);
3178 } else
3179 #endif
3180 #ifdef _WIN32
3181 if (!strcmp(device, "tap")) {
3182 char ifname[64];
3183 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
3184 fprintf(stderr, "tap: no interface name\n");
3185 return -1;
3186 }
3187 ret = tap_win32_init(vlan, ifname);
3188 } else
3189 #else
3190 if (!strcmp(device, "tap")) {
3191 char ifname[64];
3192 char setup_script[1024];
3193 int fd;
3194 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3195 fd = strtol(buf, NULL, 0);
3196 ret = -1;
3197 if (net_tap_fd_init(vlan, fd))
3198 ret = 0;
3199 } else {
3200 get_param_value(ifname, sizeof(ifname), "ifname", p);
3201 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
3202 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
3203 }
3204 ret = net_tap_init(vlan, ifname, setup_script);
3205 }
3206 } else
3207 #endif
3208 if (!strcmp(device, "socket")) {
3209 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
3210 int fd;
3211 fd = strtol(buf, NULL, 0);
3212 ret = -1;
3213 if (net_socket_fd_init(vlan, fd, 1))
3214 ret = 0;
3215 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
3216 ret = net_socket_listen_init(vlan, buf);
3217 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
3218 ret = net_socket_connect_init(vlan, buf);
3219 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
3220 ret = net_socket_mcast_init(vlan, buf);
3221 } else {
3222 fprintf(stderr, "Unknown socket options: %s\n", p);
3223 return -1;
3224 }
3225 } else
3226 {
3227 fprintf(stderr, "Unknown network device: %s\n", device);
3228 return -1;
3229 }
3230 if (ret < 0) {
3231 fprintf(stderr, "Could not initialize device '%s'\n", device);
3232 }
3233
3234 return ret;
3235 }
3236
3237 void do_info_network(void)
3238 {
3239 VLANState *vlan;
3240 VLANClientState *vc;
3241
3242 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3243 term_printf("VLAN %d devices:\n", vlan->id);
3244 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
3245 term_printf(" %s\n", vc->info_str);
3246 }
3247 }
3248
3249 /***********************************************************/
3250 /* USB devices */
3251
3252 static int usb_device_add(const char *devname)
3253 {
3254 const char *p;
3255 USBDevice *dev;
3256 int i;
3257
3258 if (!vm_usb_hub)
3259 return -1;
3260 for(i = 0;i < MAX_VM_USB_PORTS; i++) {
3261 if (!vm_usb_ports[i]->dev)
3262 break;
3263 }
3264 if (i == MAX_VM_USB_PORTS)
3265 return -1;
3266
3267 if (strstart(devname, "host:", &p)) {
3268 dev = usb_host_device_open(p);
3269 if (!dev)
3270 return -1;
3271 } else if (!strcmp(devname, "mouse")) {
3272 dev = usb_mouse_init();
3273 if (!dev)
3274 return -1;
3275 } else if (!strcmp(devname, "tablet")) {
3276 dev = usb_tablet_init();
3277 if (!dev)
3278 return -1;
3279 } else {
3280 return -1;
3281 }
3282 usb_attach(vm_usb_ports[i], dev);
3283 return 0;
3284 }
3285
3286 static int usb_device_del(const char *devname)
3287 {
3288 USBDevice *dev;
3289 int bus_num, addr, i;
3290 const char *p;
3291
3292 if (!vm_usb_hub)
3293 return -1;
3294
3295 p = strchr(devname, '.');
3296 if (!p)
3297 return -1;
3298 bus_num = strtoul(devname, NULL, 0);
3299 addr = strtoul(p + 1, NULL, 0);
3300 if (bus_num != 0)
3301 return -1;
3302 for(i = 0;i < MAX_VM_USB_PORTS; i++) {
3303 dev = vm_usb_ports[i]->dev;
3304 if (dev && dev->addr == addr)
3305 break;
3306 }
3307 if (i == MAX_VM_USB_PORTS)
3308 return -1;
3309 usb_attach(vm_usb_ports[i], NULL);
3310 return 0;
3311 }
3312
3313 void do_usb_add(const char *devname)
3314 {
3315 int ret;
3316 ret = usb_device_add(devname);
3317 if (ret < 0)
3318 term_printf("Could not add USB device '%s'\n", devname);
3319 }
3320
3321 void do_usb_del(const char *devname)
3322 {
3323 int ret;
3324 ret = usb_device_del(devname);
3325 if (ret < 0)
3326 term_printf("Could not remove USB device '%s'\n", devname);
3327 }
3328
3329 void usb_info(void)
3330 {
3331 USBDevice *dev;
3332 int i;
3333 const char *speed_str;
3334
3335 if (!vm_usb_hub) {
3336 term_printf("USB support not enabled\n");
3337 return;
3338 }
3339
3340 for(i = 0; i < MAX_VM_USB_PORTS; i++) {
3341 dev = vm_usb_ports[i]->dev;
3342 if (dev) {
3343 term_printf("Hub port %d:\n", i);
3344 switch(dev->speed) {
3345 case USB_SPEED_LOW:
3346 speed_str = "1.5";
3347 break;
3348 case USB_SPEED_FULL:
3349 speed_str = "12";
3350 break;
3351 case USB_SPEED_HIGH:
3352 speed_str = "480";
3353 break;
3354 default:
3355 speed_str = "?";
3356 break;
3357 }
3358 term_printf(" Device %d.%d, speed %s Mb/s\n",
3359 0, dev->addr, speed_str);
3360 }
3361 }
3362 }
3363
3364 /***********************************************************/
3365 /* pid file */
3366
3367 static char *pid_filename;
3368
3369 /* Remove PID file. Called on normal exit */
3370
3371 static void remove_pidfile(void)
3372 {
3373 unlink (pid_filename);
3374 }
3375
3376 static void create_pidfile(const char *filename)
3377 {
3378 struct stat pidstat;
3379 FILE *f;
3380
3381 /* Try to write our PID to the named file */
3382 if (stat(filename, &pidstat) < 0) {
3383 if (errno == ENOENT) {
3384 if ((f = fopen (filename, "w")) == NULL) {
3385 perror("Opening pidfile");
3386 exit(1);
3387 }
3388 fprintf(f, "%d\n", getpid());
3389 fclose(f);
3390 pid_filename = qemu_strdup(filename);
3391 if (!pid_filename) {
3392 fprintf(stderr, "Could not save PID filename");
3393 exit(1);
3394 }
3395 atexit(remove_pidfile);
3396 }
3397 } else {
3398 fprintf(stderr, "%s already exists. Remove it and try again.\n",
3399 filename);
3400 exit(1);
3401 }
3402 }
3403
3404 /***********************************************************/
3405 /* dumb display */
3406
3407 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
3408 {
3409 }
3410
3411 static void dumb_resize(DisplayState *ds, int w, int h)
3412 {
3413 }
3414
3415 static void dumb_refresh(DisplayState *ds)
3416 {
3417 vga_hw_update();
3418 }
3419
3420 void dumb_display_init(DisplayState *ds)
3421 {
3422 ds->data = NULL;
3423 ds->linesize = 0;
3424 ds->depth = 0;
3425 ds->dpy_update = dumb_update;
3426 ds->dpy_resize = dumb_resize;
3427 ds->dpy_refresh = dumb_refresh;
3428 }
3429
3430 #if !defined(CONFIG_SOFTMMU)
3431 /***********************************************************/
3432 /* cpu signal handler */
3433 static void host_segv_handler(int host_signum, siginfo_t *info,
3434 void *puc)
3435 {
3436 if (cpu_signal_handler(host_signum, info, puc))
3437 return;
3438 if (stdio_nb_clients > 0)
3439 term_exit();
3440 abort();
3441 }
3442 #endif
3443
3444 /***********************************************************/
3445 /* I/O handling */
3446
3447 #define MAX_IO_HANDLERS 64
3448
3449 typedef struct IOHandlerRecord {
3450 int fd;
3451 IOCanRWHandler *fd_read_poll;
3452 IOHandler *fd_read;
3453 IOHandler *fd_write;
3454 void *opaque;
3455 /* temporary data */
3456 struct pollfd *ufd;
3457 struct IOHandlerRecord *next;
3458 } IOHandlerRecord;
3459
3460 static IOHandlerRecord *first_io_handler;
3461
3462 /* XXX: fd_read_poll should be suppressed, but an API change is
3463 necessary in the character devices to suppress fd_can_read(). */
3464 int qemu_set_fd_handler2(int fd,
3465 IOCanRWHandler *fd_read_poll,
3466 IOHandler *fd_read,
3467 IOHandler *fd_write,
3468 void *opaque)
3469 {
3470 IOHandlerRecord **pioh, *ioh;
3471
3472 if (!fd_read && !fd_write) {
3473 pioh = &first_io_handler;
3474 for(;;) {
3475 ioh = *pioh;
3476 if (ioh == NULL)
3477 break;
3478 if (ioh->fd == fd) {
3479 *pioh = ioh->next;
3480 qemu_free(ioh);
3481 break;
3482 }
3483 pioh = &ioh->next;
3484 }
3485 } else {
3486 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3487 if (ioh->fd == fd)
3488 goto found;
3489 }
3490 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
3491 if (!ioh)
3492 return -1;
3493 ioh->next = first_io_handler;
3494 first_io_handler = ioh;
3495 found:
3496 ioh->fd = fd;
3497 ioh->fd_read_poll = fd_read_poll;
3498 ioh->fd_read = fd_read;
3499 ioh->fd_write = fd_write;
3500 ioh->opaque = opaque;
3501 }
3502 return 0;
3503 }
3504
3505 int qemu_set_fd_handler(int fd,
3506 IOHandler *fd_read,
3507 IOHandler *fd_write,
3508 void *opaque)
3509 {
3510 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
3511 }
3512
3513 /***********************************************************/
3514 /* Polling handling */
3515
3516 typedef struct PollingEntry {
3517 PollingFunc *func;
3518 void *opaque;
3519 struct PollingEntry *next;
3520 } PollingEntry;
3521
3522 static PollingEntry *first_polling_entry;
3523
3524 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
3525 {
3526 PollingEntry **ppe, *pe;
3527 pe = qemu_mallocz(sizeof(PollingEntry));
3528 if (!pe)
3529 return -1;
3530 pe->func = func;
3531 pe->opaque = opaque;
3532 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
3533 *ppe = pe;
3534 return 0;
3535 }
3536
3537 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
3538 {
3539 PollingEntry **ppe, *pe;
3540 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
3541 pe = *ppe;
3542 if (pe->func == func && pe->opaque == opaque) {
3543 *ppe = pe->next;
3544 qemu_free(pe);
3545 break;
3546 }
3547 }
3548 }
3549
3550 /***********************************************************/
3551 /* savevm/loadvm support */
3552
3553 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
3554 {
3555 fwrite(buf, 1, size, f);
3556 }
3557
3558 void qemu_put_byte(QEMUFile *f, int v)
3559 {
3560 fputc(v, f);
3561 }
3562
3563 void qemu_put_be16(QEMUFile *f, unsigned int v)
3564 {
3565 qemu_put_byte(f, v >> 8);
3566 qemu_put_byte(f, v);
3567 }
3568
3569 void qemu_put_be32(QEMUFile *f, unsigned int v)
3570 {
3571 qemu_put_byte(f, v >> 24);
3572 qemu_put_byte(f, v >> 16);
3573 qemu_put_byte(f, v >> 8);
3574 qemu_put_byte(f, v);
3575 }
3576
3577 void qemu_put_be64(QEMUFile *f, uint64_t v)
3578 {
3579 qemu_put_be32(f, v >> 32);
3580 qemu_put_be32(f, v);
3581 }
3582
3583 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
3584 {
3585 return fread(buf, 1, size, f);
3586 }
3587
3588 int qemu_get_byte(QEMUFile *f)
3589 {
3590 int v;
3591 v = fgetc(f);
3592 if (v == EOF)
3593 return 0;
3594 else
3595 return v;
3596 }
3597
3598 unsigned int qemu_get_be16(QEMUFile *f)
3599 {
3600 unsigned int v;
3601 v = qemu_get_byte(f) << 8;
3602 v |= qemu_get_byte(f);
3603 return v;
3604 }
3605
3606 unsigned int qemu_get_be32(QEMUFile *f)
3607 {
3608 unsigned int v;
3609 v = qemu_get_byte(f) << 24;
3610 v |= qemu_get_byte(f) << 16;
3611 v |= qemu_get_byte(f) << 8;
3612 v |= qemu_get_byte(f);
3613 return v;
3614 }
3615
3616 uint64_t qemu_get_be64(QEMUFile *f)
3617 {
3618 uint64_t v;
3619 v = (uint64_t)qemu_get_be32(f) << 32;
3620 v |= qemu_get_be32(f);
3621 return v;
3622 }
3623
3624 int64_t qemu_ftell(QEMUFile *f)
3625 {
3626 return ftell(f);
3627 }
3628
3629 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
3630 {
3631 if (fseek(f, pos, whence) < 0)
3632 return -1;
3633 return ftell(f);
3634 }
3635
3636 typedef struct SaveStateEntry {
3637 char idstr[256];
3638 int instance_id;
3639 int version_id;
3640 SaveStateHandler *save_state;
3641 LoadStateHandler *load_state;
3642 void *opaque;
3643 struct SaveStateEntry *next;
3644 } SaveStateEntry;
3645
3646 static SaveStateEntry *first_se;
3647
3648 int register_savevm(const char *idstr,
3649 int instance_id,
3650 int version_id,
3651 SaveStateHandler *save_state,
3652 LoadStateHandler *load_state,
3653 void *opaque)
3654 {
3655 SaveStateEntry *se, **pse;
3656
3657 se = qemu_malloc(sizeof(SaveStateEntry));
3658 if (!se)
3659 return -1;
3660 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
3661 se->instance_id = instance_id;
3662 se->version_id = version_id;
3663 se->save_state = save_state;
3664 se->load_state = load_state;
3665 se->opaque = opaque;
3666 se->next = NULL;
3667
3668 /* add at the end of list */
3669 pse = &first_se;
3670 while (*pse != NULL)
3671 pse = &(*pse)->next;
3672 *pse = se;
3673 return 0;
3674 }
3675
3676 #define QEMU_VM_FILE_MAGIC 0x5145564d
3677 #define QEMU_VM_FILE_VERSION 0x00000001
3678
3679 int qemu_savevm(const char *filename)
3680 {
3681 SaveStateEntry *se;
3682 QEMUFile *f;
3683 int len, len_pos, cur_pos, saved_vm_running, ret;
3684
3685 saved_vm_running = vm_running;
3686 vm_stop(0);
3687
3688 f = fopen(filename, "wb");
3689 if (!f) {
3690 ret = -1;
3691 goto the_end;
3692 }
3693
3694 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
3695 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
3696
3697 for(se = first_se; se != NULL; se = se->next) {
3698 /* ID string */
3699 len = strlen(se->idstr);
3700 qemu_put_byte(f, len);
3701 qemu_put_buffer(f, se->idstr, len);
3702
3703 qemu_put_be32(f, se->instance_id);
3704 qemu_put_be32(f, se->version_id);
3705
3706 /* record size: filled later */
3707 len_pos = ftell(f);
3708 qemu_put_be32(f, 0);
3709
3710 se->save_state(f, se->opaque);
3711
3712 /* fill record size */
3713 cur_pos = ftell(f);
3714 len = ftell(f) - len_pos - 4;
3715 fseek(f, len_pos, SEEK_SET);
3716 qemu_put_be32(f, len);
3717 fseek(f, cur_pos, SEEK_SET);
3718 }
3719
3720 fclose(f);
3721 ret = 0;
3722 the_end:
3723 if (saved_vm_running)
3724 vm_start();
3725 return ret;
3726 }
3727
3728 static SaveStateEntry *find_se(const char *idstr, int instance_id)
3729 {
3730 SaveStateEntry *se;
3731
3732 for(se = first_se; se != NULL; se = se->next) {
3733 if (!strcmp(se->idstr, idstr) &&
3734 instance_id == se->instance_id)
3735 return se;
3736 }
3737 return NULL;
3738 }
3739
3740 int qemu_loadvm(const char *filename)
3741 {
3742 SaveStateEntry *se;
3743 QEMUFile *f;
3744 int len, cur_pos, ret, instance_id, record_len, version_id;
3745 int saved_vm_running;
3746 unsigned int v;
3747 char idstr[256];
3748
3749 saved_vm_running = vm_running;
3750 vm_stop(0);
3751
3752 f = fopen(filename, "rb");
3753 if (!f) {
3754 ret = -1;
3755 goto the_end;
3756 }
3757
3758 v = qemu_get_be32(f);
3759 if (v != QEMU_VM_FILE_MAGIC)
3760 goto fail;
3761 v = qemu_get_be32(f);
3762 if (v != QEMU_VM_FILE_VERSION) {
3763 fail:
3764 fclose(f);
3765 ret = -1;
3766 goto the_end;
3767 }
3768 for(;;) {
3769 len = qemu_get_byte(f);
3770 if (feof(f))
3771 break;
3772 qemu_get_buffer(f, idstr, len);
3773 idstr[len] = '\0';
3774 instance_id = qemu_get_be32(f);
3775 version_id = qemu_get_be32(f);
3776 record_len = qemu_get_be32(f);
3777 #if 0
3778 printf("idstr=%s instance=0x%x version=%d len=%d\n",
3779 idstr, instance_id, version_id, record_len);
3780 #endif
3781 cur_pos = ftell(f);
3782 se = find_se(idstr, instance_id);
3783 if (!se) {
3784 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
3785 instance_id, idstr);
3786 } else {
3787 ret = se->load_state(f, se->opaque, version_id);
3788 if (ret < 0) {
3789 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
3790 instance_id, idstr);
3791 }
3792 }
3793 /* always seek to exact end of record */
3794 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
3795 }
3796 fclose(f);
3797 ret = 0;
3798 the_end:
3799 if (saved_vm_running)
3800 vm_start();
3801 return ret;
3802 }
3803
3804 /***********************************************************/
3805 /* cpu save/restore */
3806
3807 #if defined(TARGET_I386)
3808
3809 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
3810 {
3811 qemu_put_be32(f, dt->selector);
3812 qemu_put_betl(f, dt->base);
3813 qemu_put_be32(f, dt->limit);
3814 qemu_put_be32(f, dt->flags);
3815 }
3816
3817 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
3818 {
3819 dt->selector = qemu_get_be32(f);
3820 dt->base = qemu_get_betl(f);
3821 dt->limit = qemu_get_be32(f);
3822 dt->flags = qemu_get_be32(f);
3823 }
3824
3825 void cpu_save(QEMUFile *f, void *opaque)
3826 {
3827 CPUState *env = opaque;
3828 uint16_t fptag, fpus, fpuc, fpregs_format;
3829 uint32_t hflags;
3830 int i;
3831
3832 for(i = 0; i < CPU_NB_REGS; i++)
3833 qemu_put_betls(f, &env->regs[i]);
3834 qemu_put_betls(f, &env->eip);
3835 qemu_put_betls(f, &env->eflags);
3836 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
3837 qemu_put_be32s(f, &hflags);
3838
3839 /* FPU */
3840 fpuc = env->fpuc;
3841 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
3842 fptag = 0;
3843 for(i = 0; i < 8; i++) {
3844 fptag |= ((!env->fptags[i]) << i);
3845 }
3846
3847 qemu_put_be16s(f, &fpuc);
3848 qemu_put_be16s(f, &fpus);
3849 qemu_put_be16s(f, &fptag);
3850
3851 #ifdef USE_X86LDOUBLE
3852 fpregs_format = 0;
3853 #else
3854 fpregs_format = 1;
3855 #endif
3856 qemu_put_be16s(f, &fpregs_format);
3857
3858 for(i = 0; i < 8; i++) {
3859 #ifdef USE_X86LDOUBLE
3860 {
3861 uint64_t mant;
3862 uint16_t exp;
3863 /* we save the real CPU data (in case of MMX usage only 'mant'
3864 contains the MMX register */
3865 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
3866 qemu_put_be64(f, mant);
3867 qemu_put_be16(f, exp);
3868 }
3869 #else
3870 /* if we use doubles for float emulation, we save the doubles to
3871 avoid losing information in case of MMX usage. It can give
3872 problems if the image is restored on a CPU where long
3873 doubles are used instead. */
3874 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
3875 #endif
3876 }
3877
3878 for(i = 0; i < 6; i++)
3879 cpu_put_seg(f, &env->segs[i]);
3880 cpu_put_seg(f, &env->ldt);
3881 cpu_put_seg(f, &env->tr);
3882 cpu_put_seg(f, &env->gdt);
3883 cpu_put_seg(f, &env->idt);
3884
3885 qemu_put_be32s(f, &env->sysenter_cs);
3886 qemu_put_be32s(f, &env->sysenter_esp);
3887 qemu_put_be32s(f, &env->sysenter_eip);
3888
3889 qemu_put_betls(f, &env->cr[0]);
3890 qemu_put_betls(f, &env->cr[2]);
3891 qemu_put_betls(f, &env->cr[3]);
3892 qemu_put_betls(f, &env->cr[4]);
3893
3894 for(i = 0; i < 8; i++)
3895 qemu_put_betls(f, &env->dr[i]);
3896
3897 /* MMU */
3898 qemu_put_be32s(f, &env->a20_mask);
3899
3900 /* XMM */
3901 qemu_put_be32s(f, &env->mxcsr);
3902 for(i = 0; i < CPU_NB_REGS; i++) {
3903 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
3904 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
3905 }
3906
3907 #ifdef TARGET_X86_64
3908 qemu_put_be64s(f, &env->efer);
3909 qemu_put_be64s(f, &env->star);
3910 qemu_put_be64s(f, &env->lstar);
3911 qemu_put_be64s(f, &env->cstar);
3912 qemu_put_be64s(f, &env->fmask);
3913 qemu_put_be64s(f, &env->kernelgsbase);
3914 #endif
3915 }
3916
3917 #ifdef USE_X86LDOUBLE
3918 /* XXX: add that in a FPU generic layer */
3919 union x86_longdouble {
3920 uint64_t mant;
3921 uint16_t exp;
3922 };
3923
3924 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
3925 #define EXPBIAS1 1023
3926 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
3927 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
3928
3929 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
3930 {
3931 int e;
3932 /* mantissa */
3933 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
3934 /* exponent + sign */
3935 e = EXPD1(temp) - EXPBIAS1 + 16383;
3936 e |= SIGND1(temp) >> 16;
3937 p->exp = e;
3938 }
3939 #endif
3940
3941 int cpu_load(QEMUFile *f, void *opaque, int version_id)
3942 {
3943 CPUState *env = opaque;
3944 int i, guess_mmx;
3945 uint32_t hflags;
3946 uint16_t fpus, fpuc, fptag, fpregs_format;
3947
3948 if (version_id != 3)
3949 return -EINVAL;
3950 for(i = 0; i < CPU_NB_REGS; i++)
3951 qemu_get_betls(f, &env->regs[i]);
3952 qemu_get_betls(f, &env->eip);
3953 qemu_get_betls(f, &env->eflags);
3954 qemu_get_be32s(f, &hflags);
3955
3956 qemu_get_be16s(f, &fpuc);
3957 qemu_get_be16s(f, &fpus);
3958 qemu_get_be16s(f, &fptag);
3959 qemu_get_be16s(f, &fpregs_format);
3960
3961 /* NOTE: we cannot always restore the FPU state if the image come
3962 from a host with a different 'USE_X86LDOUBLE' define. We guess
3963 if we are in an MMX state to restore correctly in that case. */
3964 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
3965 for(i = 0; i < 8; i++) {
3966 uint64_t mant;
3967 uint16_t exp;
3968
3969 switch(fpregs_format) {
3970 case 0:
3971 mant = qemu_get_be64(f);
3972 exp = qemu_get_be16(f);
3973 #ifdef USE_X86LDOUBLE
3974 env->fpregs[i].d = cpu_set_fp80(mant, exp);
3975 #else
3976 /* difficult case */
3977 if (guess_mmx)
3978 env->fpregs[i].mmx.MMX_Q(0) = mant;
3979 else
3980 env->fpregs[i].d = cpu_set_fp80(mant, exp);
3981 #endif
3982 break;
3983 case 1:
3984 mant = qemu_get_be64(f);
3985 #ifdef USE_X86LDOUBLE
3986 {
3987 union x86_longdouble *p;
3988 /* difficult case */
3989 p = (void *)&env->fpregs[i];
3990 if (guess_mmx) {
3991 p->mant = mant;
3992 p->exp = 0xffff;
3993 } else {
3994 fp64_to_fp80(p, mant);
3995 }
3996 }
3997 #else
3998 env->fpregs[i].mmx.MMX_Q(0) = mant;
3999 #endif
4000 break;
4001 default:
4002 return -EINVAL;
4003 }
4004 }
4005
4006 env->fpuc = fpuc;
4007 /* XXX: restore FPU round state */
4008 env->fpstt = (fpus >> 11) & 7;
4009 env->fpus = fpus & ~0x3800;
4010 fptag ^= 0xff;
4011 for(i = 0; i < 8; i++) {
4012 env->fptags[i] = (fptag >> i) & 1;
4013 }
4014
4015 for(i = 0; i < 6; i++)
4016 cpu_get_seg(f, &env->segs[i]);
4017 cpu_get_seg(f, &env->ldt);
4018 cpu_get_seg(f, &env->tr);
4019 cpu_get_seg(f, &env->gdt);
4020 cpu_get_seg(f, &env->idt);
4021
4022 qemu_get_be32s(f, &env->sysenter_cs);
4023 qemu_get_be32s(f, &env->sysenter_esp);
4024 qemu_get_be32s(f, &env->sysenter_eip);
4025
4026 qemu_get_betls(f, &env->cr[0]);
4027 qemu_get_betls(f, &env->cr[2]);
4028 qemu_get_betls(f, &env->cr[3]);
4029 qemu_get_betls(f, &env->cr[4]);
4030
4031 for(i = 0; i < 8; i++)
4032 qemu_get_betls(f, &env->dr[i]);
4033
4034 /* MMU */
4035 qemu_get_be32s(f, &env->a20_mask);
4036
4037 qemu_get_be32s(f, &env->mxcsr);
4038 for(i = 0; i < CPU_NB_REGS; i++) {
4039 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
4040 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
4041 }
4042
4043 #ifdef TARGET_X86_64
4044 qemu_get_be64s(f, &env->efer);
4045 qemu_get_be64s(f, &env->star);
4046 qemu_get_be64s(f, &env->lstar);
4047 qemu_get_be64s(f, &env->cstar);
4048 qemu_get_be64s(f, &env->fmask);
4049 qemu_get_be64s(f, &env->kernelgsbase);
4050 #endif
4051
4052 /* XXX: compute hflags from scratch, except for CPL and IIF */
4053 env->hflags = hflags;
4054 tlb_flush(env, 1);
4055 return 0;
4056 }
4057
4058 #elif defined(TARGET_PPC)
4059 void cpu_save(QEMUFile *f, void *opaque)
4060 {
4061 }
4062
4063 int cpu_load(QEMUFile *f, void *opaque, int version_id)
4064 {
4065 return 0;
4066 }
4067
4068 #elif defined(TARGET_MIPS)
4069 void cpu_save(QEMUFile *f, void *opaque)
4070 {
4071 }
4072
4073 int cpu_load(QEMUFile *f, void *opaque, int version_id)
4074 {
4075 return 0;
4076 }
4077
4078 #elif defined(TARGET_SPARC)
4079 void cpu_save(QEMUFile *f, void *opaque)
4080 {
4081 CPUState *env = opaque;
4082 int i;
4083 uint32_t tmp;
4084
4085 for(i = 0; i < 8; i++)
4086 qemu_put_betls(f, &env->gregs[i]);
4087 for(i = 0; i < NWINDOWS * 16; i++)
4088 qemu_put_betls(f, &env->regbase[i]);
4089
4090 /* FPU */
4091 for(i = 0; i < TARGET_FPREGS; i++) {
4092 union {
4093 TARGET_FPREG_T f;
4094 target_ulong i;
4095 } u;
4096 u.f = env->fpr[i];
4097 qemu_put_betl(f, u.i);
4098 }
4099
4100 qemu_put_betls(f, &env->pc);
4101 qemu_put_betls(f, &env->npc);
4102 qemu_put_betls(f, &env->y);
4103 tmp = GET_PSR(env);
4104 qemu_put_be32(f, tmp);
4105 qemu_put_betls(f, &env->fsr);
4106 qemu_put_betls(f, &env->tbr);
4107 #ifndef TARGET_SPARC64
4108 qemu_put_be32s(f, &env->wim);
4109 /* MMU */
4110 for(i = 0; i < 16; i++)
4111 qemu_put_be32s(f, &env->mmuregs[i]);
4112 #endif
4113 }
4114
4115 int cpu_load(QEMUFile *f, void *opaque, int version_id)
4116 {
4117 CPUState *env = opaque;
4118 int i;
4119 uint32_t tmp;
4120
4121 for(i = 0; i < 8; i++)
4122 qemu_get_betls(f, &env->gregs[i]);
4123 for(i = 0; i < NWINDOWS * 16; i++)
4124 qemu_get_betls(f, &env->regbase[i]);
4125
4126 /* FPU */
4127 for(i = 0; i < TARGET_FPREGS; i++) {
4128 union {
4129 TARGET_FPREG_T f;
4130 target_ulong i;
4131 } u;
4132 u.i = qemu_get_betl(f);
4133 env->fpr[i] = u.f;
4134 }
4135
4136 qemu_get_betls(f, &env->pc);
4137 qemu_get_betls(f, &env->npc);
4138 qemu_get_betls(f, &env->y);
4139 tmp = qemu_get_be32(f);
4140 env->cwp = 0; /* needed to ensure that the wrapping registers are
4141 correctly updated */
4142 PUT_PSR(env, tmp);
4143 qemu_get_betls(f, &env->fsr);
4144 qemu_get_betls(f, &env->tbr);
4145 #ifndef TARGET_SPARC64
4146 qemu_get_be32s(f, &env->wim);
4147 /* MMU */
4148 for(i = 0; i < 16; i++)
4149 qemu_get_be32s(f, &env->mmuregs[i]);
4150 #endif
4151 tlb_flush(env, 1);
4152 return 0;
4153 }
4154
4155 #elif defined(TARGET_ARM)
4156
4157 /* ??? Need to implement these. */
4158 void cpu_save(QEMUFile *f, void *opaque)
4159 {
4160 }
4161
4162 int cpu_load(QEMUFile *f, void *opaque, int version_id)
4163 {
4164 return 0;
4165 }
4166
4167 #else
4168
4169 #warning No CPU save/restore functions
4170
4171 #endif
4172
4173 /***********************************************************/
4174 /* ram save/restore */
4175
4176 /* we just avoid storing empty pages */
4177 static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
4178 {
4179 int i, v;
4180
4181 v = buf[0];
4182 for(i = 1; i < len; i++) {
4183 if (buf[i] != v)
4184 goto normal_save;
4185 }
4186 qemu_put_byte(f, 1);
4187 qemu_put_byte(f, v);
4188 return;
4189 normal_save:
4190 qemu_put_byte(f, 0);
4191 qemu_put_buffer(f, buf, len);
4192 }
4193
4194 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
4195 {
4196 int v;
4197
4198 v = qemu_get_byte(f);
4199 switch(v) {
4200 case 0:
4201 if (qemu_get_buffer(f, buf, len) != len)
4202 return -EIO;
4203 break;
4204 case 1:
4205 v = qemu_get_byte(f);
4206 memset(buf, v, len);
4207 break;
4208 default:
4209 return -EINVAL;
4210 }
4211 return 0;
4212 }
4213
4214 static void ram_save(QEMUFile *f, void *opaque)
4215 {
4216 int i;
4217 qemu_put_be32(f, phys_ram_size);
4218 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
4219 ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
4220 }
4221 }
4222
4223 static int ram_load(QEMUFile *f, void *opaque, int version_id)
4224 {
4225 int i, ret;
4226
4227 if (version_id != 1)
4228 return -EINVAL;
4229 if (qemu_get_be32(f) != phys_ram_size)
4230 return -EINVAL;
4231 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
4232 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
4233 if (ret)
4234 return ret;
4235 }
4236 return 0;
4237 }
4238
4239 /***********************************************************/
4240 /* machine registration */
4241
4242 QEMUMachine *first_machine = NULL;
4243
4244 int qemu_register_machine(QEMUMachine *m)
4245 {
4246 QEMUMachine **pm;
4247 pm = &first_machine;
4248 while (*pm != NULL)
4249 pm = &(*pm)->next;
4250 m->next = NULL;
4251 *pm = m;
4252 return 0;
4253 }
4254
4255 QEMUMachine *find_machine(const char *name)
4256 {
4257 QEMUMachine *m;
4258
4259 for(m = first_machine; m != NULL; m = m->next) {
4260 if (!strcmp(m->name, name))
4261 return m;
4262 }
4263 return NULL;
4264 }
4265
4266 /***********************************************************/
4267 /* main execution loop */
4268
4269 void gui_update(void *opaque)
4270 {
4271 display_state.dpy_refresh(&display_state);
4272 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
4273 }
4274
4275 struct vm_change_state_entry {
4276 VMChangeStateHandler *cb;
4277 void *opaque;
4278 LIST_ENTRY (vm_change_state_entry) entries;
4279 };
4280
4281 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
4282
4283 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
4284 void *opaque)
4285 {
4286 VMChangeStateEntry *e;
4287
4288 e = qemu_mallocz(sizeof (*e));
4289 if (!e)
4290 return NULL;
4291
4292 e->cb = cb;
4293 e->opaque = opaque;
4294 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
4295 return e;
4296 }
4297
4298 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
4299 {
4300 LIST_REMOVE (e, entries);
4301 qemu_free (e);
4302 }
4303
4304 static void vm_state_notify(int running)
4305 {
4306 VMChangeStateEntry *e;
4307
4308 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
4309 e->cb(e->opaque, running);
4310 }
4311 }
4312
4313 /* XXX: support several handlers */
4314 static VMStopHandler *vm_stop_cb;
4315 static void *vm_stop_opaque;
4316
4317 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
4318 {
4319 vm_stop_cb = cb;
4320 vm_stop_opaque = opaque;
4321 return 0;
4322 }
4323
4324 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
4325 {
4326 vm_stop_cb = NULL;
4327 }
4328
4329 void vm_start(void)
4330 {
4331 if (!vm_running) {
4332 cpu_enable_ticks();
4333 vm_running = 1;
4334 vm_state_notify(1);
4335 }
4336 }
4337
4338 void vm_stop(int reason)
4339 {
4340 if (vm_running) {
4341 cpu_disable_ticks();
4342 vm_running = 0;
4343 if (reason != 0) {
4344 if (vm_stop_cb) {
4345 vm_stop_cb(vm_stop_opaque, reason);
4346 }
4347 }
4348 vm_state_notify(0);
4349 }
4350 }
4351
4352 /* reset/shutdown handler */
4353
4354 typedef struct QEMUResetEntry {
4355 QEMUResetHandler *func;
4356 void *opaque;
4357 struct QEMUResetEntry *next;
4358 } QEMUResetEntry;
4359
4360 static QEMUResetEntry *first_reset_entry;
4361 static int reset_requested;
4362 static int shutdown_requested;
4363 static int powerdown_requested;
4364
4365 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
4366 {
4367 QEMUResetEntry **pre, *re;
4368
4369 pre = &first_reset_entry;
4370 while (*pre != NULL)
4371 pre = &(*pre)->next;
4372 re = qemu_mallocz(sizeof(QEMUResetEntry));
4373 re->func = func;
4374 re->opaque = opaque;
4375 re->next = NULL;
4376 *pre = re;
4377 }
4378
4379 void qemu_system_reset(void)
4380 {
4381 QEMUResetEntry *re;
4382
4383 /* reset all devices */
4384 for(re = first_reset_entry; re != NULL; re = re->next) {
4385 re->func(re->opaque);
4386 }
4387 }
4388
4389 void qemu_system_reset_request(void)
4390 {
4391 reset_requested = 1;
4392 if (cpu_single_env)
4393 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4394 }
4395
4396 void qemu_system_shutdown_request(void)
4397 {
4398 shutdown_requested = 1;
4399 if (cpu_single_env)
4400 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4401 }
4402
4403 void qemu_system_powerdown_request(void)
4404 {
4405 powerdown_requested = 1;
4406 if (cpu_single_env)
4407 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
4408 }
4409
4410 void main_loop_wait(int timeout)
4411 {
4412 IOHandlerRecord *ioh, *ioh_next;
4413 fd_set rfds, wfds, xfds;
4414 int ret, nfds;
4415 struct timeval tv;
4416 PollingEntry *pe;
4417
4418
4419 /* XXX: need to suppress polling by better using win32 events */
4420 ret = 0;
4421 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
4422 ret |= pe->func(pe->opaque);
4423 }
4424 #ifdef _WIN32
4425 if (ret == 0 && timeout > 0) {
4426 int err;
4427 HANDLE hEvents[1];
4428
4429 hEvents[0] = host_alarm;
4430 ret = WaitForMultipleObjects(1, hEvents, FALSE, timeout);
4431 switch(ret) {
4432 case WAIT_OBJECT_0 + 0:
4433 break;
4434 case WAIT_TIMEOUT:
4435 break;
4436 default:
4437 err = GetLastError();
4438 fprintf(stderr, "Wait error %d %d\n", ret, err);
4439 break;
4440 }
4441 }
4442 #endif
4443 /* poll any events */
4444 /* XXX: separate device handlers from system ones */
4445 nfds = -1;
4446 FD_ZERO(&rfds);
4447 FD_ZERO(&wfds);
4448 FD_ZERO(&xfds);
4449 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4450 if (ioh->fd_read &&
4451 (!ioh->fd_read_poll ||
4452 ioh->fd_read_poll(ioh->opaque) != 0)) {
4453 FD_SET(ioh->fd, &rfds);
4454 if (ioh->fd > nfds)
4455 nfds = ioh->fd;
4456 }
4457 if (ioh->fd_write) {
4458 FD_SET(ioh->fd, &wfds);
4459 if (ioh->fd > nfds)
4460 nfds = ioh->fd;
4461 }
4462 }
4463
4464 tv.tv_sec = 0;
4465 #ifdef _WIN32
4466 tv.tv_usec = 0;
4467 #else
4468 tv.tv_usec = timeout * 1000;
4469 #endif
4470 #if defined(CONFIG_SLIRP)
4471 if (slirp_inited) {
4472 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
4473 }
4474 #endif
4475 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4476 if (ret > 0) {
4477 /* XXX: better handling of removal */
4478 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
4479 ioh_next = ioh->next;
4480 if (FD_ISSET(ioh->fd, &rfds)) {
4481 ioh->fd_read(ioh->opaque);
4482 }
4483 if (FD_ISSET(ioh->fd, &wfds)) {
4484 ioh->fd_write(ioh->opaque);
4485 }
4486 }
4487 }
4488 #if defined(CONFIG_SLIRP)
4489 if (slirp_inited) {
4490 if (ret < 0) {
4491 FD_ZERO(&rfds);
4492 FD_ZERO(&wfds);
4493 FD_ZERO(&xfds);
4494 }
4495 slirp_select_poll(&rfds, &wfds, &xfds);
4496 }
4497 #endif
4498 #ifdef _WIN32
4499 tap_win32_poll();
4500 #endif
4501
4502 if (vm_running) {
4503 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
4504 qemu_get_clock(vm_clock));
4505 /* run dma transfers, if any */
4506 DMA_run();
4507 }
4508
4509 /* real time timers */
4510 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
4511 qemu_get_clock(rt_clock));
4512 }
4513
4514 static CPUState *cur_cpu;
4515
4516 int main_loop(void)
4517 {
4518 int ret, timeout;
4519 #ifdef CONFIG_PROFILER
4520 int64_t ti;
4521 #endif
4522 CPUState *env;
4523
4524 cur_cpu = first_cpu;
4525 for(;;) {
4526 if (vm_running) {
4527
4528 env = cur_cpu;
4529 for(;;) {
4530 /* get next cpu */
4531 env = env->next_cpu;
4532 if (!env)
4533 env = first_cpu;
4534 #ifdef CONFIG_PROFILER
4535 ti = profile_getclock();
4536 #endif
4537 ret = cpu_exec(env);
4538 #ifdef CONFIG_PROFILER
4539 qemu_time += profile_getclock() - ti;
4540 #endif
4541 if (ret != EXCP_HALTED)
4542 break;
4543 /* all CPUs are halted ? */
4544 if (env == cur_cpu) {
4545 ret = EXCP_HLT;
4546 break;
4547 }
4548 }
4549 cur_cpu = env;
4550
4551 if (shutdown_requested) {
4552 ret = EXCP_INTERRUPT;
4553 break;
4554 }
4555 if (reset_requested) {
4556 reset_requested = 0;
4557 qemu_system_reset();
4558 ret = EXCP_INTERRUPT;
4559 }
4560 if (powerdown_requested) {
4561 powerdown_requested = 0;
4562 qemu_system_powerdown();
4563 ret = EXCP_INTERRUPT;
4564 }
4565 if (ret == EXCP_DEBUG) {
4566 vm_stop(EXCP_DEBUG);
4567 }
4568 /* if hlt instruction, we wait until the next IRQ */
4569 /* XXX: use timeout computed from timers */
4570 if (ret == EXCP_HLT)
4571 timeout = 10;
4572 else
4573 timeout = 0;
4574 } else {
4575 timeout = 10;
4576 }
4577 #ifdef CONFIG_PROFILER
4578 ti = profile_getclock();
4579 #endif
4580 main_loop_wait(timeout);
4581 #ifdef CONFIG_PROFILER
4582 dev_time += profile_getclock() - ti;
4583 #endif
4584 }
4585 cpu_disable_ticks();
4586 return ret;
4587 }
4588
4589 void help(void)
4590 {
4591 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
4592 "usage: %s [options] [disk_image]\n"
4593 "\n"
4594 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4595 "\n"
4596 "Standard options:\n"
4597 "-M machine select emulated machine (-M ? for list)\n"
4598 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
4599 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
4600 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
4601 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
4602 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
4603 "-snapshot write to temporary files instead of disk image files\n"
4604 "-m megs set virtual RAM size to megs MB [default=%d]\n"
4605 "-smp n set the number of CPUs to 'n' [default=1]\n"
4606 "-nographic disable graphical output and redirect serial I/Os to console\n"
4607 #ifndef _WIN32
4608 "-k language use keyboard layout (for example \"fr\" for French)\n"
4609 #endif
4610 #ifdef HAS_AUDIO
4611 "-audio-help print list of audio drivers and their options\n"
4612 "-soundhw c1,... enable audio support\n"
4613 " and only specified sound cards (comma separated list)\n"
4614 " use -soundhw ? to get the list of supported cards\n"
4615 " use -soundhw all to enable all of them\n"
4616 #endif
4617 "-localtime set the real time clock to local time [default=utc]\n"
4618 "-full-screen start in full screen\n"
4619 #ifdef TARGET_I386
4620 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4621 #endif
4622 "-usb enable the USB driver (will be the default soon)\n"
4623 "-usbdevice name add the host or guest USB device 'name'\n"
4624 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4625 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
4626 #endif
4627 "\n"
4628 "Network options:\n"
4629 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
4630 " create a new Network Interface Card and connect it to VLAN 'n'\n"
4631 #ifdef CONFIG_SLIRP
4632 "-net user[,vlan=n][,hostname=host]\n"
4633 " connect the user mode network stack to VLAN 'n' and send\n"
4634 " hostname 'host' to DHCP clients\n"
4635 #endif
4636 #ifdef _WIN32
4637 "-net tap[,vlan=n],ifname=name\n"
4638 " connect the host TAP network interface to VLAN 'n'\n"
4639 #else
4640 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
4641 " connect the host TAP network interface to VLAN 'n' and use\n"
4642 " the network script 'file' (default=%s);\n"
4643 " use 'fd=h' to connect to an already opened TAP interface\n"
4644 #endif
4645 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4646 " connect the vlan 'n' to another VLAN using a socket connection\n"
4647 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
4648 " connect the vlan 'n' to multicast maddr and port\n"
4649 "-net none use it alone to have zero network devices; if no -net option\n"
4650 " is provided, the default is '-net nic -net user'\n"
4651 "\n"
4652 #ifdef CONFIG_SLIRP
4653 "-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
4654 #ifndef _WIN32
4655 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4656 #endif
4657 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4658 " redirect TCP or UDP connections from host to guest [-net user]\n"
4659 #endif
4660 "\n"
4661 "Linux boot specific:\n"
4662 "-kernel bzImage use 'bzImage' as kernel image\n"
4663 "-append cmdline use 'cmdline' as kernel command line\n"
4664 "-initrd file use 'file' as initial ram disk\n"
4665 "\n"
4666 "Debug/Expert options:\n"
4667 "-monitor dev redirect the monitor to char device 'dev'\n"
4668 "-serial dev redirect the serial port to char device 'dev'\n"
4669 "-parallel dev redirect the parallel port to char device 'dev'\n"
4670 "-pidfile file Write PID to 'file'\n"
4671 "-S freeze CPU at startup (use 'c' to start execution)\n"
4672 "-s wait gdb connection to port %d\n"
4673 "-p port change gdb connection port\n"
4674 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4675 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
4676 " translation (t=none or lba) (usually qemu can guess them)\n"
4677 "-L path set the directory for the BIOS and VGA BIOS\n"
4678 #ifdef USE_KQEMU
4679 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4680 "-no-kqemu disable KQEMU kernel module usage\n"
4681 #endif
4682 #ifdef USE_CODE_COPY
4683 "-no-code-copy disable code copy acceleration\n"
4684 #endif
4685 #ifdef TARGET_I386
4686 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
4687 " (default is CL-GD5446 PCI VGA)\n"
4688 "-no-acpi disable ACPI\n"
4689 #endif
4690 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
4691 "-vnc display start a VNC server on display\n"
4692 "\n"
4693 "During emulation, the following keys are useful:\n"
4694 "ctrl-alt-f toggle full screen\n"
4695 "ctrl-alt-n switch to virtual console 'n'\n"
4696 "ctrl-alt toggle mouse and keyboard grab\n"
4697 "\n"
4698 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4699 ,
4700 #ifdef CONFIG_SOFTMMU
4701 "qemu",
4702 #else
4703 "qemu-fast",
4704 #endif
4705 DEFAULT_RAM_SIZE,
4706 #ifndef _WIN32
4707 DEFAULT_NETWORK_SCRIPT,
4708 #endif
4709 DEFAULT_GDBSTUB_PORT,
4710 "/tmp/qemu.log");
4711 #ifndef CONFIG_SOFTMMU
4712 printf("\n"
4713 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
4714 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
4715 "PC emulation.\n");
4716 #endif
4717 exit(1);
4718 }
4719
4720 #define HAS_ARG 0x0001
4721
4722 enum {
4723 QEMU_OPTION_h,
4724
4725 QEMU_OPTION_M,
4726 QEMU_OPTION_fda,
4727 QEMU_OPTION_fdb,
4728 QEMU_OPTION_hda,
4729 QEMU_OPTION_hdb,
4730 QEMU_OPTION_hdc,
4731 QEMU_OPTION_hdd,
4732 QEMU_OPTION_cdrom,
4733 QEMU_OPTION_boot,
4734 QEMU_OPTION_snapshot,
4735 QEMU_OPTION_m,
4736 QEMU_OPTION_nographic,
4737 #ifdef HAS_AUDIO
4738 QEMU_OPTION_audio_help,
4739 QEMU_OPTION_soundhw,
4740 #endif
4741
4742 QEMU_OPTION_net,
4743 QEMU_OPTION_tftp,
4744 QEMU_OPTION_smb,
4745 QEMU_OPTION_redir,
4746
4747 QEMU_OPTION_kernel,
4748 QEMU_OPTION_append,
4749 QEMU_OPTION_initrd,
4750
4751 QEMU_OPTION_S,
4752 QEMU_OPTION_s,
4753 QEMU_OPTION_p,
4754 QEMU_OPTION_d,
4755 QEMU_OPTION_hdachs,
4756 QEMU_OPTION_L,
4757 QEMU_OPTION_no_code_copy,
4758 QEMU_OPTION_k,
4759 QEMU_OPTION_localtime,
4760 QEMU_OPTION_cirrusvga,
4761 QEMU_OPTION_g,
4762 QEMU_OPTION_std_vga,
4763 QEMU_OPTION_monitor,
4764 QEMU_OPTION_serial,
4765 QEMU_OPTION_parallel,
4766 QEMU_OPTION_loadvm,
4767 QEMU_OPTION_full_screen,
4768 QEMU_OPTION_pidfile,
4769 QEMU_OPTION_no_kqemu,
4770 QEMU_OPTION_kernel_kqemu,
4771 QEMU_OPTION_win2k_hack,
4772 QEMU_OPTION_usb,
4773 QEMU_OPTION_usbdevice,
4774 QEMU_OPTION_smp,
4775 QEMU_OPTION_vnc,
4776 QEMU_OPTION_no_acpi,
4777 };
4778
4779 typedef struct QEMUOption {
4780 const char *name;
4781 int flags;
4782 int index;
4783 } QEMUOption;
4784
4785 const QEMUOption qemu_options[] = {
4786 { "h", 0, QEMU_OPTION_h },
4787
4788 { "M", HAS_ARG, QEMU_OPTION_M },
4789 { "fda", HAS_ARG, QEMU_OPTION_fda },
4790 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4791 { "hda", HAS_ARG, QEMU_OPTION_hda },
4792 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4793 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4794 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
4795 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
4796 { "boot", HAS_ARG, QEMU_OPTION_boot },
4797 { "snapshot", 0, QEMU_OPTION_snapshot },
4798 { "m", HAS_ARG, QEMU_OPTION_m },
4799 { "nographic", 0, QEMU_OPTION_nographic },
4800 { "k", HAS_ARG, QEMU_OPTION_k },
4801 #ifdef HAS_AUDIO
4802 { "audio-help", 0, QEMU_OPTION_audio_help },
4803 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
4804 #endif
4805
4806 { "net", HAS_ARG, QEMU_OPTION_net},
4807 #ifdef CONFIG_SLIRP
4808 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
4809 #ifndef _WIN32
4810 { "smb", HAS_ARG, QEMU_OPTION_smb },
4811 #endif
4812 { "redir", HAS_ARG, QEMU_OPTION_redir },
4813 #endif
4814
4815 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
4816 { "append", HAS_ARG, QEMU_OPTION_append },
4817 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
4818
4819 { "S", 0, QEMU_OPTION_S },
4820 { "s", 0, QEMU_OPTION_s },
4821 { "p", HAS_ARG, QEMU_OPTION_p },
4822 { "d", HAS_ARG, QEMU_OPTION_d },
4823 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
4824 { "L", HAS_ARG, QEMU_OPTION_L },
4825 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
4826 #ifdef USE_KQEMU
4827 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
4828 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
4829 #endif
4830 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4831 { "g", 1, QEMU_OPTION_g },
4832 #endif
4833 { "localtime", 0, QEMU_OPTION_localtime },
4834 { "std-vga", 0, QEMU_OPTION_std_vga },
4835 { "monitor", 1, QEMU_OPTION_monitor },
4836 { "serial", 1, QEMU_OPTION_serial },
4837 { "parallel", 1, QEMU_OPTION_parallel },
4838 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
4839 { "full-screen", 0, QEMU_OPTION_full_screen },
4840 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
4841 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
4842 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
4843 { "smp", HAS_ARG, QEMU_OPTION_smp },
4844 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
4845
4846 /* temporary options */
4847 { "usb", 0, QEMU_OPTION_usb },
4848 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
4849 { "no-acpi", 0, QEMU_OPTION_no_acpi },
4850 { NULL },
4851 };
4852
4853 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
4854
4855 /* this stack is only used during signal handling */
4856 #define SIGNAL_STACK_SIZE 32768
4857
4858 static uint8_t *signal_stack;
4859
4860 #endif
4861
4862 /* password input */
4863
4864 static BlockDriverState *get_bdrv(int index)
4865 {
4866 BlockDriverState *bs;
4867
4868 if (index < 4) {
4869 bs = bs_table[index];
4870 } else if (index < 6) {
4871 bs = fd_table[index - 4];
4872 } else {
4873 bs = NULL;
4874 }
4875 return bs;
4876 }
4877
4878 static void read_passwords(void)
4879 {
4880 BlockDriverState *bs;
4881 int i, j;
4882 char password[256];
4883
4884 for(i = 0; i < 6; i++) {
4885 bs = get_bdrv(i);
4886 if (bs && bdrv_is_encrypted(bs)) {
4887 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
4888 for(j = 0; j < 3; j++) {
4889 monitor_readline("Password: ",
4890 1, password, sizeof(password));
4891 if (bdrv_set_key(bs, password) == 0)
4892 break;
4893 term_printf("invalid password\n");
4894 }
4895 }
4896 }
4897 }
4898
4899 /* XXX: currently we cannot use simultaneously different CPUs */
4900 void register_machines(void)
4901 {
4902 #if defined(TARGET_I386)
4903 qemu_register_machine(&pc_machine);
4904 qemu_register_machine(&isapc_machine);
4905 #elif defined(TARGET_PPC)
4906 qemu_register_machine(&heathrow_machine);
4907 qemu_register_machine(&core99_machine);
4908 qemu_register_machine(&prep_machine);
4909 #elif defined(TARGET_MIPS)
4910 qemu_register_machine(&mips_machine);
4911 #elif defined(TARGET_SPARC)
4912 #ifdef TARGET_SPARC64
4913 qemu_register_machine(&sun4u_machine);
4914 #else
4915 qemu_register_machine(&sun4m_machine);
4916 #endif
4917 #elif defined(TARGET_ARM)
4918 qemu_register_machine(&integratorcp926_machine);
4919 qemu_register_machine(&integratorcp1026_machine);
4920 qemu_register_machine(&versatilepb_machine);
4921 qemu_register_machine(&versatileab_machine);
4922 #elif defined(TARGET_SH4)
4923 qemu_register_machine(&shix_machine);
4924 #else
4925 #error unsupported CPU
4926 #endif
4927 }
4928
4929 #ifdef HAS_AUDIO
4930 struct soundhw soundhw[] = {
4931 #ifdef TARGET_I386
4932 {
4933 "pcspk",
4934 "PC speaker",
4935 0,
4936 1,
4937 { .init_isa = pcspk_audio_init }
4938 },
4939 #endif
4940 {
4941 "sb16",
4942 "Creative Sound Blaster 16",
4943 0,
4944 1,
4945 { .init_isa = SB16_init }
4946 },
4947
4948 #ifdef CONFIG_ADLIB
4949 {
4950 "adlib",
4951 #ifdef HAS_YMF262
4952 "Yamaha YMF262 (OPL3)",
4953 #else
4954 "Yamaha YM3812 (OPL2)",
4955 #endif
4956 0,
4957 1,
4958 { .init_isa = Adlib_init }
4959 },
4960 #endif
4961
4962 #ifdef CONFIG_GUS
4963 {
4964 "gus",
4965 "Gravis Ultrasound GF1",
4966 0,
4967 1,
4968 { .init_isa = GUS_init }
4969 },
4970 #endif
4971
4972 {
4973 "es1370",
4974 "ENSONIQ AudioPCI ES1370",
4975 0,
4976 0,
4977 { .init_pci = es1370_init }
4978 },
4979
4980 { NULL, NULL, 0, 0, { NULL } }
4981 };
4982
4983 static void select_soundhw (const char *optarg)
4984 {
4985 struct soundhw *c;
4986
4987 if (*optarg == '?') {
4988 show_valid_cards:
4989
4990 printf ("Valid sound card names (comma separated):\n");
4991 for (c = soundhw; c->name; ++c) {
4992 printf ("%-11s %s\n", c->name, c->descr);
4993 }
4994 printf ("\n-soundhw all will enable all of the above\n");
4995 exit (*optarg != '?');
4996 }
4997 else {
4998 size_t l;
4999 const char *p;
5000 char *e;
5001 int bad_card = 0;
5002
5003 if (!strcmp (optarg, "all")) {
5004 for (c = soundhw; c->name; ++c) {
5005 c->enabled = 1;
5006 }
5007 return;
5008 }
5009
5010 p = optarg;
5011 while (*p) {
5012 e = strchr (p, ',');
5013 l = !e ? strlen (p) : (size_t) (e - p);
5014
5015 for (c = soundhw; c->name; ++c) {
5016 if (!strncmp (c->name, p, l)) {
5017 c->enabled = 1;
5018 break;
5019 }
5020 }
5021
5022 if (!c->name) {
5023 if (l > 80) {
5024 fprintf (stderr,
5025 "Unknown sound card name (too big to show)\n");
5026 }
5027 else {
5028 fprintf (stderr, "Unknown sound card name `%.*s'\n",
5029 (int) l, p);
5030 }
5031 bad_card = 1;
5032 }
5033 p += l + (e != NULL);
5034 }
5035
5036 if (bad_card)
5037 goto show_valid_cards;
5038 }
5039 }
5040 #endif
5041
5042 #define MAX_NET_CLIENTS 32
5043
5044 int main(int argc, char **argv)
5045 {
5046 #ifdef CONFIG_GDBSTUB
5047 int use_gdbstub, gdbstub_port;
5048 #endif
5049 int i, cdrom_index;
5050 int snapshot, linux_boot;
5051 const char *initrd_filename;
5052 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
5053 const char *kernel_filename, *kernel_cmdline;
5054 DisplayState *ds = &display_state;
5055 int cyls, heads, secs, translation;
5056 int start_emulation = 1;
5057 char net_clients[MAX_NET_CLIENTS][256];
5058 int nb_net_clients;
5059 int optind;
5060 const char *r, *optarg;
5061 CharDriverState *monitor_hd;
5062 char monitor_device[128];
5063 char serial_devices[MAX_SERIAL_PORTS][128];
5064 int serial_device_index;
5065 char parallel_devices[MAX_PARALLEL_PORTS][128];
5066 int parallel_device_index;
5067 const char *loadvm = NULL;
5068 QEMUMachine *machine;
5069 char usb_devices[MAX_VM_USB_PORTS][128];
5070 int usb_devices_index;
5071
5072 LIST_INIT (&vm_change_state_head);
5073 #if !defined(CONFIG_SOFTMMU)
5074 /* we never want that malloc() uses mmap() */
5075 mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
5076 #endif
5077 register_machines();
5078 machine = first_machine;
5079 initrd_filename = NULL;
5080 for(i = 0; i < MAX_FD; i++)
5081 fd_filename[i] = NULL;
5082 for(i = 0; i < MAX_DISKS; i++)
5083 hd_filename[i] = NULL;
5084 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
5085 vga_ram_size = VGA_RAM_SIZE;
5086 bios_size = BIOS_SIZE;
5087 #ifdef CONFIG_GDBSTUB
5088 use_gdbstub = 0;
5089 gdbstub_port = DEFAULT_GDBSTUB_PORT;
5090 #endif
5091 snapshot = 0;
5092 nographic = 0;
5093 kernel_filename = NULL;
5094 kernel_cmdline = "";
5095 #ifdef TARGET_PPC
5096 cdrom_index = 1;
5097 #else
5098 cdrom_index = 2;
5099 #endif
5100 cyls = heads = secs = 0;
5101 translation = BIOS_ATA_TRANSLATION_AUTO;
5102 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
5103
5104 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
5105 for(i = 1; i < MAX_SERIAL_PORTS; i++)
5106 serial_devices[i][0] = '\0';
5107 serial_device_index = 0;
5108
5109 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
5110 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
5111 parallel_devices[i][0] = '\0';
5112 parallel_device_index = 0;
5113
5114 usb_devices_index = 0;
5115
5116 nb_net_clients = 0;
5117
5118 nb_nics = 0;
5119 /* default mac address of the first network interface */
5120
5121 optind = 1;
5122 for(;;) {
5123 if (optind >= argc)
5124 break;
5125 r = argv[optind];
5126 if (r[0] != '-') {
5127 hd_filename[0] = argv[optind++];
5128 } else {
5129 const QEMUOption *popt;
5130
5131 optind++;
5132 popt = qemu_options;
5133 for(;;) {
5134 if (!popt->name) {
5135 fprintf(stderr, "%s: invalid option -- '%s'\n",
5136 argv[0], r);
5137 exit(1);
5138 }
5139 if (!strcmp(popt->name, r + 1))
5140 break;
5141 popt++;
5142 }
5143 if (popt->flags & HAS_ARG) {
5144 if (optind >= argc) {
5145 fprintf(stderr, "%s: option '%s' requires an argument\n",
5146 argv[0], r);
5147 exit(1);
5148 }
5149 optarg = argv[optind++];
5150 } else {
5151 optarg = NULL;
5152 }
5153
5154 switch(popt->index) {
5155 case QEMU_OPTION_M:
5156 machine = find_machine(optarg);
5157 if (!machine) {
5158 QEMUMachine *m;
5159 printf("Supported machines are:\n");
5160 for(m = first_machine; m != NULL; m = m->next) {
5161 printf("%-10s %s%s\n",
5162 m->name, m->desc,
5163 m == first_machine ? " (default)" : "");
5164 }
5165 exit(1);
5166 }
5167 break;
5168 case QEMU_OPTION_initrd:
5169 initrd_filename = optarg;
5170 break;
5171 case QEMU_OPTION_hda:
5172 case QEMU_OPTION_hdb:
5173 case QEMU_OPTION_hdc:
5174 case QEMU_OPTION_hdd:
5175 {
5176 int hd_index;
5177 hd_index = popt->index - QEMU_OPTION_hda;
5178 hd_filename[hd_index] = optarg;
5179 if (hd_index == cdrom_index)
5180 cdrom_index = -1;
5181 }
5182 break;
5183 case QEMU_OPTION_snapshot:
5184 snapshot = 1;
5185 break;
5186 case QEMU_OPTION_hdachs:
5187 {
5188 const char *p;
5189 p = optarg;
5190 cyls = strtol(p, (char **)&p, 0);
5191 if (cyls < 1 || cyls > 16383)
5192 goto chs_fail;
5193 if (*p != ',')
5194 goto chs_fail;
5195 p++;
5196 heads = strtol(p, (char **)&p, 0);
5197 if (heads < 1 || heads > 16)
5198 goto chs_fail;
5199 if (*p != ',')
5200 goto chs_fail;
5201 p++;
5202 secs = strtol(p, (char **)&p, 0);
5203 if (secs < 1 || secs > 63)
5204 goto chs_fail;
5205 if (*p == ',') {
5206 p++;
5207 if (!strcmp(p, "none"))
5208 translation = BIOS_ATA_TRANSLATION_NONE;
5209 else if (!strcmp(p, "lba"))
5210 translation = BIOS_ATA_TRANSLATION_LBA;
5211 else if (!strcmp(p, "auto"))
5212 translation = BIOS_ATA_TRANSLATION_AUTO;
5213 else
5214 goto chs_fail;
5215 } else if (*p != '\0') {
5216 chs_fail:
5217 fprintf(stderr, "qemu: invalid physical CHS format\n");
5218 exit(1);
5219 }
5220 }
5221 break;
5222 case QEMU_OPTION_nographic:
5223 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
5224 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
5225 nographic = 1;
5226 break;
5227 case QEMU_OPTION_kernel:
5228 kernel_filename = optarg;
5229 break;
5230 case QEMU_OPTION_append:
5231 kernel_cmdline = optarg;
5232 break;
5233 case QEMU_OPTION_cdrom:
5234 if (cdrom_index >= 0) {
5235 hd_filename[cdrom_index] = optarg;
5236 }
5237 break;
5238 case QEMU_OPTION_boot:
5239 boot_device = optarg[0];
5240 if (boot_device != 'a' &&
5241 #ifdef TARGET_SPARC
5242 // Network boot
5243 boot_device != 'n' &&
5244 #endif
5245 boot_device != 'c' && boot_device != 'd') {
5246 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
5247 exit(1);
5248 }
5249 break;
5250 case QEMU_OPTION_fda:
5251 fd_filename[0] = optarg;
5252 break;
5253 case QEMU_OPTION_fdb:
5254 fd_filename[1] = optarg;
5255 break;
5256 case QEMU_OPTION_no_code_copy:
5257 code_copy_enabled = 0;
5258 break;
5259 case QEMU_OPTION_net:
5260 if (nb_net_clients >= MAX_NET_CLIENTS) {
5261 fprintf(stderr, "qemu: too many network clients\n");
5262 exit(1);
5263 }
5264 pstrcpy(net_clients[nb_net_clients],
5265 sizeof(net_clients[0]),
5266 optarg);
5267 nb_net_clients++;
5268 break;
5269 #ifdef CONFIG_SLIRP
5270 case QEMU_OPTION_tftp:
5271 tftp_prefix = optarg;
5272 break;
5273 #ifndef _WIN32
5274 case QEMU_OPTION_smb:
5275 net_slirp_smb(optarg);
5276 break;
5277 #endif
5278 case QEMU_OPTION_redir:
5279 net_slirp_redir(optarg);
5280 break;
5281 #endif
5282 #ifdef HAS_AUDIO
5283 case QEMU_OPTION_audio_help:
5284 AUD_help ();
5285 exit (0);
5286 break;
5287 case QEMU_OPTION_soundhw:
5288 select_soundhw (optarg);
5289 break;
5290 #endif
5291 case QEMU_OPTION_h:
5292 help();
5293 break;
5294 case QEMU_OPTION_m:
5295 ram_size = atoi(optarg) * 1024 * 1024;
5296 if (ram_size <= 0)
5297 help();
5298 if (ram_size > PHYS_RAM_MAX_SIZE) {
5299 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
5300 PHYS_RAM_MAX_SIZE / (1024 * 1024));
5301 exit(1);
5302 }
5303 break;
5304 case QEMU_OPTION_d:
5305 {
5306 int mask;
5307 CPULogItem *item;
5308
5309 mask = cpu_str_to_log_mask(optarg);
5310 if (!mask) {
5311 printf("Log items (comma separated):\n");
5312 for(item = cpu_log_items; item->mask != 0; item++) {
5313 printf("%-10s %s\n", item->name, item->help);
5314 }
5315 exit(1);
5316 }
5317 cpu_set_log(mask);
5318 }
5319 break;
5320 #ifdef CONFIG_GDBSTUB
5321 case QEMU_OPTION_s:
5322 use_gdbstub = 1;
5323 break;
5324 case QEMU_OPTION_p:
5325 gdbstub_port = atoi(optarg);
5326 break;
5327 #endif
5328 case QEMU_OPTION_L:
5329 bios_dir = optarg;
5330 break;
5331 case QEMU_OPTION_S:
5332 start_emulation = 0;
5333 break;
5334 case QEMU_OPTION_k:
5335 keyboard_layout = optarg;
5336 break;
5337 case QEMU_OPTION_localtime:
5338 rtc_utc = 0;
5339 break;
5340 case QEMU_OPTION_cirrusvga:
5341 cirrus_vga_enabled = 1;
5342 break;
5343 case QEMU_OPTION_std_vga:
5344 cirrus_vga_enabled = 0;
5345 break;
5346 case QEMU_OPTION_g:
5347 {
5348 const char *p;
5349 int w, h, depth;
5350 p = optarg;
5351 w = strtol(p, (char **)&p, 10);
5352 if (w <= 0) {
5353 graphic_error:
5354 fprintf(stderr, "qemu: invalid resolution or depth\n");
5355 exit(1);
5356 }
5357 if (*p != 'x')
5358 goto graphic_error;
5359 p++;
5360 h = strtol(p, (char **)&p, 10);
5361 if (h <= 0)
5362 goto graphic_error;
5363 if (*p == 'x') {
5364 p++;
5365 depth = strtol(p, (char **)&p, 10);
5366 if (depth != 8 && depth != 15 && depth != 16 &&
5367 depth != 24 && depth != 32)
5368 goto graphic_error;
5369 } else if (*p == '\0') {
5370 depth = graphic_depth;
5371 } else {
5372 goto graphic_error;
5373 }
5374
5375 graphic_width = w;
5376 graphic_height = h;
5377 graphic_depth = depth;
5378 }
5379 break;
5380 case QEMU_OPTION_monitor:
5381 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
5382 break;
5383 case QEMU_OPTION_serial:
5384 if (serial_device_index >= MAX_SERIAL_PORTS) {
5385 fprintf(stderr, "qemu: too many serial ports\n");
5386 exit(1);
5387 }
5388 pstrcpy(serial_devices[serial_device_index],
5389 sizeof(serial_devices[0]), optarg);
5390 serial_device_index++;
5391 break;
5392 case QEMU_OPTION_parallel:
5393 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5394 fprintf(stderr, "qemu: too many parallel ports\n");
5395 exit(1);
5396 }
5397 pstrcpy(parallel_devices[parallel_device_index],
5398 sizeof(parallel_devices[0]), optarg);
5399 parallel_device_index++;
5400 break;
5401 case QEMU_OPTION_loadvm:
5402 loadvm = optarg;
5403 break;
5404 case QEMU_OPTION_full_screen:
5405 full_screen = 1;
5406 break;
5407 case QEMU_OPTION_pidfile:
5408 create_pidfile(optarg);
5409 break;
5410 #ifdef TARGET_I386
5411 case QEMU_OPTION_win2k_hack:
5412 win2k_install_hack = 1;
5413 break;
5414 #endif
5415 #ifdef USE_KQEMU
5416 case QEMU_OPTION_no_kqemu:
5417 kqemu_allowed = 0;
5418 break;
5419 case QEMU_OPTION_kernel_kqemu:
5420 kqemu_allowed = 2;
5421 break;
5422 #endif
5423 case QEMU_OPTION_usb:
5424 usb_enabled = 1;
5425 break;
5426 case QEMU_OPTION_usbdevice:
5427 usb_enabled = 1;
5428 if (usb_devices_index >= MAX_VM_USB_PORTS) {
5429 fprintf(stderr, "Too many USB devices\n");
5430 exit(1);
5431 }
5432 pstrcpy(usb_devices[usb_devices_index],
5433 sizeof(usb_devices[usb_devices_index]),
5434 optarg);
5435 usb_devices_index++;
5436 break;
5437 case QEMU_OPTION_smp:
5438 smp_cpus = atoi(optarg);
5439 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
5440 fprintf(stderr, "Invalid number of CPUs\n");
5441 exit(1);
5442 }
5443 break;
5444 case QEMU_OPTION_vnc:
5445 vnc_display = atoi(optarg);
5446 if (vnc_display < 0) {
5447 fprintf(stderr, "Invalid VNC display\n");
5448 exit(1);
5449 }
5450 break;
5451 case QEMU_OPTION_no_acpi:
5452 acpi_enabled = 0;
5453 break;
5454 }
5455 }
5456 }
5457
5458 #ifdef USE_KQEMU
5459 if (smp_cpus > 1)
5460 kqemu_allowed = 0;
5461 #endif
5462 linux_boot = (kernel_filename != NULL);
5463
5464 if (!linux_boot &&
5465 hd_filename[0] == '\0' &&
5466 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
5467 fd_filename[0] == '\0')
5468 help();
5469
5470 /* boot to cd by default if no hard disk */
5471 if (hd_filename[0] == '\0' && boot_device == 'c') {
5472 if (fd_filename[0] != '\0')
5473 boot_device = 'a';
5474 else
5475 boot_device = 'd';
5476 }
5477
5478 #if !defined(CONFIG_SOFTMMU)
5479 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
5480 {
5481 static uint8_t stdout_buf[4096];
5482 setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
5483 }
5484 #else
5485 setvbuf(stdout, NULL, _IOLBF, 0);
5486 #endif
5487
5488 #ifdef _WIN32
5489 socket_init();
5490 #endif
5491
5492 /* init network clients */
5493 if (nb_net_clients == 0) {
5494 /* if no clients, we use a default config */
5495 pstrcpy(net_clients[0], sizeof(net_clients[0]),
5496 "nic");
5497 pstrcpy(net_clients[1], sizeof(net_clients[0]),
5498 "user");
5499 nb_net_clients = 2;
5500 }
5501
5502 for(i = 0;i < nb_net_clients; i++) {
5503 if (net_client_init(net_clients[i]) < 0)
5504 exit(1);
5505 }
5506
5507 /* init the memory */
5508 phys_ram_size = ram_size + vga_ram_size + bios_size;
5509
5510 #ifdef CONFIG_SOFTMMU
5511 phys_ram_base = qemu_vmalloc(phys_ram_size);
5512 if (!phys_ram_base) {
5513 fprintf(stderr, "Could not allocate physical memory\n");
5514 exit(1);
5515 }
5516 #else
5517 /* as we must map the same page at several addresses, we must use
5518 a fd */
5519 {
5520 const char *tmpdir;
5521
5522 tmpdir = getenv("QEMU_TMPDIR");
5523 if (!tmpdir)
5524 tmpdir = "/tmp";
5525 snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
5526 if (mkstemp(phys_ram_file) < 0) {
5527 fprintf(stderr, "Could not create temporary memory file '%s'\n",
5528 phys_ram_file);
5529 exit(1);
5530 }
5531 phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
5532 if (phys_ram_fd < 0) {
5533 fprintf(stderr, "Could not open temporary memory file '%s'\n",
5534 phys_ram_file);
5535 exit(1);
5536 }
5537 ftruncate(phys_ram_fd, phys_ram_size);
5538 unlink(phys_ram_file);
5539 phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
5540 phys_ram_size,
5541 PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
5542 phys_ram_fd, 0);
5543 if (phys_ram_base == MAP_FAILED) {
5544 fprintf(stderr, "Could not map physical memory\n");
5545 exit(1);
5546 }
5547 }
5548 #endif
5549
5550 /* we always create the cdrom drive, even if no disk is there */
5551 bdrv_init();
5552 if (cdrom_index >= 0) {
5553 bs_table[cdrom_index] = bdrv_new("cdrom");
5554 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
5555 }
5556
5557 /* open the virtual block devices */
5558 for(i = 0; i < MAX_DISKS; i++) {
5559 if (hd_filename[i]) {
5560 if (!bs_table[i]) {
5561 char buf[64];
5562 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
5563 bs_table[i] = bdrv_new(buf);
5564 }
5565 if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
5566 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
5567 hd_filename[i]);
5568 exit(1);
5569 }
5570 if (i == 0 && cyls != 0) {
5571 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
5572 bdrv_set_translation_hint(bs_table[i], translation);
5573 }
5574 }
5575 }
5576
5577 /* we always create at least one floppy disk */
5578 fd_table[0] = bdrv_new("fda");
5579 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
5580
5581 for(i = 0; i < MAX_FD; i++) {
5582 if (fd_filename[i]) {
5583 if (!fd_table[i]) {
5584 char buf[64];
5585 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
5586 fd_table[i] = bdrv_new(buf);
5587 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
5588 }
5589 if (fd_filename[i] != '\0') {
5590 if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
5591 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
5592 fd_filename[i]);
5593 exit(1);
5594 }
5595 }
5596 }
5597 }
5598
5599 /* init USB devices */
5600 if (usb_enabled) {
5601 vm_usb_hub = usb_hub_init(vm_usb_ports, MAX_VM_USB_PORTS);
5602 for(i = 0; i < usb_devices_index; i++) {
5603 if (usb_device_add(usb_devices[i]) < 0) {
5604 fprintf(stderr, "Warning: could not add USB device %s\n",
5605 usb_devices[i]);
5606 }
5607 }
5608 }
5609
5610 register_savevm("timer", 0, 1, timer_save, timer_load, NULL);
5611 register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
5612
5613 init_ioports();
5614 cpu_calibrate_ticks();
5615
5616 /* terminal init */
5617 if (nographic) {
5618 dumb_display_init(ds);
5619 } else if (vnc_display != -1) {
5620 vnc_display_init(ds, vnc_display);
5621 } else {
5622 #if defined(CONFIG_SDL)
5623 sdl_display_init(ds, full_screen);
5624 #elif defined(CONFIG_COCOA)
5625 cocoa_display_init(ds, full_screen);
5626 #else
5627 dumb_display_init(ds);
5628 #endif
5629 }
5630
5631 monitor_hd = qemu_chr_open(monitor_device);
5632 if (!monitor_hd) {
5633 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
5634 exit(1);
5635 }
5636 monitor_init(monitor_hd, !nographic);
5637
5638 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5639 if (serial_devices[i][0] != '\0') {
5640 serial_hds[i] = qemu_chr_open(serial_devices[i]);
5641 if (!serial_hds[i]) {
5642 fprintf(stderr, "qemu: could not open serial device '%s'\n",
5643 serial_devices[i]);
5644 exit(1);
5645 }
5646 if (!strcmp(serial_devices[i], "vc"))
5647 qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
5648 }
5649 }
5650
5651 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5652 if (parallel_devices[i][0] != '\0') {
5653 parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
5654 if (!parallel_hds[i]) {
5655 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
5656 parallel_devices[i]);
5657 exit(1);
5658 }
5659 if (!strcmp(parallel_devices[i], "vc"))
5660 qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
5661 }
5662 }
5663
5664 /* setup cpu signal handlers for MMU / self modifying code handling */
5665 #if !defined(CONFIG_SOFTMMU)
5666
5667 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
5668 {
5669 stack_t stk;
5670 signal_stack = memalign(16, SIGNAL_STACK_SIZE);
5671 stk.ss_sp = signal_stack;
5672 stk.ss_size = SIGNAL_STACK_SIZE;
5673 stk.ss_flags = 0;
5674
5675 if (sigaltstack(&stk, NULL) < 0) {
5676 perror("sigaltstack");
5677 exit(1);
5678 }
5679 }
5680 #endif
5681 {
5682 struct sigaction act;
5683
5684 sigfillset(&act.sa_mask);
5685 act.sa_flags = SA_SIGINFO;
5686 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
5687 act.sa_flags |= SA_ONSTACK;
5688 #endif
5689 act.sa_sigaction = host_segv_handler;
5690 sigaction(SIGSEGV, &act, NULL);
5691 sigaction(SIGBUS, &act, NULL);
5692 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
5693 sigaction(SIGFPE, &act, NULL);
5694 #endif
5695 }
5696 #endif
5697
5698 #ifndef _WIN32
5699 {
5700 struct sigaction act;
5701 sigfillset(&act.sa_mask);
5702 act.sa_flags = 0;
5703 act.sa_handler = SIG_IGN;
5704 sigaction(SIGPIPE, &act, NULL);
5705 }
5706 #endif
5707 init_timers();
5708
5709 machine->init(ram_size, vga_ram_size, boot_device,
5710 ds, fd_filename, snapshot,
5711 kernel_filename, kernel_cmdline, initrd_filename);
5712
5713 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
5714 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
5715
5716 #ifdef CONFIG_GDBSTUB
5717 if (use_gdbstub) {
5718 if (gdbserver_start(gdbstub_port) < 0) {
5719 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
5720 gdbstub_port);
5721 exit(1);
5722 } else {
5723 printf("Waiting gdb connection on port %d\n", gdbstub_port);
5724 }
5725 } else
5726 #endif
5727 if (loadvm)
5728 qemu_loadvm(loadvm);
5729
5730 {
5731 /* XXX: simplify init */
5732 read_passwords();
5733 if (start_emulation) {
5734 vm_start();
5735 }
5736 }
5737 main_loop();
5738 quit_timers();
5739 return 0;
5740 }
Samsung s3c2440 and arm920t support for the mini2440 dev board