Statistics
| Branch: | Revision:

root / vl.c @ b389dbfb

History | View | Annotate | Download (106.9 kB)

1
/*
2
 * QEMU System Emulator
3
 * 
4
 * Copyright (c) 2003-2005 Fabrice Bellard
5
 * 
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include "vl.h"
25

    
26
#include <unistd.h>
27
#include <fcntl.h>
28
#include <signal.h>
29
#include <time.h>
30
#include <errno.h>
31
#include <sys/time.h>
32

    
33
#ifndef _WIN32
34
#include <sys/times.h>
35
#include <sys/wait.h>
36
#include <termios.h>
37
#include <sys/poll.h>
38
#include <sys/mman.h>
39
#include <sys/ioctl.h>
40
#include <sys/socket.h>
41
#include <netinet/in.h>
42
#include <dirent.h>
43
#ifdef _BSD
44
#include <sys/stat.h>
45
#ifndef __APPLE__
46
#include <libutil.h>
47
#endif
48
#else
49
#include <linux/if.h>
50
#include <linux/if_tun.h>
51
#include <pty.h>
52
#include <malloc.h>
53
#include <linux/rtc.h>
54
#endif
55
#endif
56

    
57
#if defined(CONFIG_SLIRP)
58
#include "libslirp.h"
59
#endif
60

    
61
#ifdef _WIN32
62
#include <malloc.h>
63
#include <sys/timeb.h>
64
#include <windows.h>
65
#define getopt_long_only getopt_long
66
#define memalign(align, size) malloc(size)
67
#endif
68

    
69
#ifdef CONFIG_SDL
70
#ifdef __APPLE__
71
#include <SDL/SDL.h>
72
#endif
73
#endif /* CONFIG_SDL */
74

    
75
#ifdef CONFIG_COCOA
76
#undef main
77
#define main qemu_main
78
#endif /* CONFIG_COCOA */
79

    
80
#include "disas.h"
81

    
82
#include "exec-all.h"
83

    
84
//#define DO_TB_FLUSH
85

    
86
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
87

    
88
//#define DEBUG_UNUSED_IOPORT
89
//#define DEBUG_IOPORT
90

    
91
#if !defined(CONFIG_SOFTMMU)
92
#define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
93
#else
94
#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
95
#endif
96

    
97
#ifdef TARGET_PPC
98
#define DEFAULT_RAM_SIZE 144
99
#else
100
#define DEFAULT_RAM_SIZE 128
101
#endif
102
/* in ms */
103
#define GUI_REFRESH_INTERVAL 30
104

    
105
/* XXX: use a two level table to limit memory usage */
106
#define MAX_IOPORTS 65536
107

    
108
const char *bios_dir = CONFIG_QEMU_SHAREDIR;
109
char phys_ram_file[1024];
110
CPUState *global_env;
111
CPUState *cpu_single_env;
112
void *ioport_opaque[MAX_IOPORTS];
113
IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
114
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
115
BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
116
int vga_ram_size;
117
int bios_size;
118
static DisplayState display_state;
119
int nographic;
120
const char* keyboard_layout = NULL;
121
int64_t ticks_per_sec;
122
int boot_device = 'c';
123
int ram_size;
124
static char network_script[1024];
125
int pit_min_timer_count = 0;
126
int nb_nics;
127
NetDriverState nd_table[MAX_NICS];
128
QEMUTimer *gui_timer;
129
int vm_running;
130
#ifdef HAS_AUDIO
131
int audio_enabled = 0;
132
int sb16_enabled = 0;
133
int adlib_enabled = 0;
134
int gus_enabled = 0;
135
int es1370_enabled = 0;
136
#endif
137
int pci_enabled = 1;
138
int prep_enabled = 0;
139
int rtc_utc = 1;
140
int cirrus_vga_enabled = 1;
141
#ifdef TARGET_SPARC
142
int graphic_width = 1024;
143
int graphic_height = 768;
144
#else
145
int graphic_width = 800;
146
int graphic_height = 600;
147
#endif
148
int graphic_depth = 15;
149
int full_screen = 0;
150
TextConsole *vga_console;
151
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153
#ifdef TARGET_I386
154
int win2k_install_hack = 0;
155
#endif
156
int usb_enabled = 0;
157
USBPort *vm_usb_ports[MAX_VM_USB_PORTS];
158
USBDevice *vm_usb_hub;
159

    
160
/***********************************************************/
161
/* x86 ISA bus support */
162

    
163
target_phys_addr_t isa_mem_base = 0;
164
PicState2 *isa_pic;
165

    
166
uint32_t default_ioport_readb(void *opaque, uint32_t address)
167
{
168
#ifdef DEBUG_UNUSED_IOPORT
169
    fprintf(stderr, "inb: port=0x%04x\n", address);
170
#endif
171
    return 0xff;
172
}
173

    
174
void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
175
{
176
#ifdef DEBUG_UNUSED_IOPORT
177
    fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
178
#endif
179
}
180

    
181
/* default is to make two byte accesses */
182
uint32_t default_ioport_readw(void *opaque, uint32_t address)
183
{
184
    uint32_t data;
185
    data = ioport_read_table[0][address](ioport_opaque[address], address);
186
    address = (address + 1) & (MAX_IOPORTS - 1);
187
    data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
188
    return data;
189
}
190

    
191
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
192
{
193
    ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
194
    address = (address + 1) & (MAX_IOPORTS - 1);
195
    ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
196
}
197

    
198
uint32_t default_ioport_readl(void *opaque, uint32_t address)
199
{
200
#ifdef DEBUG_UNUSED_IOPORT
201
    fprintf(stderr, "inl: port=0x%04x\n", address);
202
#endif
203
    return 0xffffffff;
204
}
205

    
206
void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
207
{
208
#ifdef DEBUG_UNUSED_IOPORT
209
    fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
210
#endif
211
}
212

    
213
void init_ioports(void)
214
{
215
    int i;
216

    
217
    for(i = 0; i < MAX_IOPORTS; i++) {
218
        ioport_read_table[0][i] = default_ioport_readb;
219
        ioport_write_table[0][i] = default_ioport_writeb;
220
        ioport_read_table[1][i] = default_ioport_readw;
221
        ioport_write_table[1][i] = default_ioport_writew;
222
        ioport_read_table[2][i] = default_ioport_readl;
223
        ioport_write_table[2][i] = default_ioport_writel;
224
    }
225
}
226

    
227
/* size is the word size in byte */
228
int register_ioport_read(int start, int length, int size, 
229
                         IOPortReadFunc *func, void *opaque)
230
{
231
    int i, bsize;
232

    
233
    if (size == 1) {
234
        bsize = 0;
235
    } else if (size == 2) {
236
        bsize = 1;
237
    } else if (size == 4) {
238
        bsize = 2;
239
    } else {
240
        hw_error("register_ioport_read: invalid size");
241
        return -1;
242
    }
243
    for(i = start; i < start + length; i += size) {
244
        ioport_read_table[bsize][i] = func;
245
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
246
            hw_error("register_ioport_read: invalid opaque");
247
        ioport_opaque[i] = opaque;
248
    }
249
    return 0;
250
}
251

    
252
/* size is the word size in byte */
253
int register_ioport_write(int start, int length, int size, 
254
                          IOPortWriteFunc *func, void *opaque)
255
{
256
    int i, bsize;
257

    
258
    if (size == 1) {
259
        bsize = 0;
260
    } else if (size == 2) {
261
        bsize = 1;
262
    } else if (size == 4) {
263
        bsize = 2;
264
    } else {
265
        hw_error("register_ioport_write: invalid size");
266
        return -1;
267
    }
268
    for(i = start; i < start + length; i += size) {
269
        ioport_write_table[bsize][i] = func;
270
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
271
            hw_error("register_ioport_read: invalid opaque");
272
        ioport_opaque[i] = opaque;
273
    }
274
    return 0;
275
}
276

    
277
void isa_unassign_ioport(int start, int length)
278
{
279
    int i;
280

    
281
    for(i = start; i < start + length; i++) {
282
        ioport_read_table[0][i] = default_ioport_readb;
283
        ioport_read_table[1][i] = default_ioport_readw;
284
        ioport_read_table[2][i] = default_ioport_readl;
285

    
286
        ioport_write_table[0][i] = default_ioport_writeb;
287
        ioport_write_table[1][i] = default_ioport_writew;
288
        ioport_write_table[2][i] = default_ioport_writel;
289
    }
290
}
291

    
292
/***********************************************************/
293

    
294
void pstrcpy(char *buf, int buf_size, const char *str)
295
{
296
    int c;
297
    char *q = buf;
298

    
299
    if (buf_size <= 0)
300
        return;
301

    
302
    for(;;) {
303
        c = *str++;
304
        if (c == 0 || q >= buf + buf_size - 1)
305
            break;
306
        *q++ = c;
307
    }
308
    *q = '\0';
309
}
310

    
311
/* strcat and truncate. */
312
char *pstrcat(char *buf, int buf_size, const char *s)
313
{
314
    int len;
315
    len = strlen(buf);
316
    if (len < buf_size) 
317
        pstrcpy(buf + len, buf_size - len, s);
318
    return buf;
319
}
320

    
321
int strstart(const char *str, const char *val, const char **ptr)
322
{
323
    const char *p, *q;
324
    p = str;
325
    q = val;
326
    while (*q != '\0') {
327
        if (*p != *q)
328
            return 0;
329
        p++;
330
        q++;
331
    }
332
    if (ptr)
333
        *ptr = p;
334
    return 1;
335
}
336

    
337
/* return the size or -1 if error */
338
int get_image_size(const char *filename)
339
{
340
    int fd, size;
341
    fd = open(filename, O_RDONLY | O_BINARY);
342
    if (fd < 0)
343
        return -1;
344
    size = lseek(fd, 0, SEEK_END);
345
    close(fd);
346
    return size;
347
}
348

    
349
/* return the size or -1 if error */
350
int load_image(const char *filename, uint8_t *addr)
351
{
352
    int fd, size;
353
    fd = open(filename, O_RDONLY | O_BINARY);
354
    if (fd < 0)
355
        return -1;
356
    size = lseek(fd, 0, SEEK_END);
357
    lseek(fd, 0, SEEK_SET);
358
    if (read(fd, addr, size) != size) {
359
        close(fd);
360
        return -1;
361
    }
362
    close(fd);
363
    return size;
364
}
365

    
366
void cpu_outb(CPUState *env, int addr, int val)
367
{
368
#ifdef DEBUG_IOPORT
369
    if (loglevel & CPU_LOG_IOPORT)
370
        fprintf(logfile, "outb: %04x %02x\n", addr, val);
371
#endif    
372
    ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
373
}
374

    
375
void cpu_outw(CPUState *env, int addr, int val)
376
{
377
#ifdef DEBUG_IOPORT
378
    if (loglevel & CPU_LOG_IOPORT)
379
        fprintf(logfile, "outw: %04x %04x\n", addr, val);
380
#endif    
381
    ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
382
}
383

    
384
void cpu_outl(CPUState *env, int addr, int val)
385
{
386
#ifdef DEBUG_IOPORT
387
    if (loglevel & CPU_LOG_IOPORT)
388
        fprintf(logfile, "outl: %04x %08x\n", addr, val);
389
#endif
390
    ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
391
}
392

    
393
int cpu_inb(CPUState *env, int addr)
394
{
395
    int val;
396
    val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
397
#ifdef DEBUG_IOPORT
398
    if (loglevel & CPU_LOG_IOPORT)
399
        fprintf(logfile, "inb : %04x %02x\n", addr, val);
400
#endif
401
    return val;
402
}
403

    
404
int cpu_inw(CPUState *env, int addr)
405
{
406
    int val;
407
    val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
408
#ifdef DEBUG_IOPORT
409
    if (loglevel & CPU_LOG_IOPORT)
410
        fprintf(logfile, "inw : %04x %04x\n", addr, val);
411
#endif
412
    return val;
413
}
414

    
415
int cpu_inl(CPUState *env, int addr)
416
{
417
    int val;
418
    val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
419
#ifdef DEBUG_IOPORT
420
    if (loglevel & CPU_LOG_IOPORT)
421
        fprintf(logfile, "inl : %04x %08x\n", addr, val);
422
#endif
423
    return val;
424
}
425

    
426
/***********************************************************/
427
void hw_error(const char *fmt, ...)
428
{
429
    va_list ap;
430

    
431
    va_start(ap, fmt);
432
    fprintf(stderr, "qemu: hardware error: ");
433
    vfprintf(stderr, fmt, ap);
434
    fprintf(stderr, "\n");
435
#ifdef TARGET_I386
436
    cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
437
#else
438
    cpu_dump_state(global_env, stderr, fprintf, 0);
439
#endif
440
    va_end(ap);
441
    abort();
442
}
443

    
444
/***********************************************************/
445
/* keyboard/mouse */
446

    
447
static QEMUPutKBDEvent *qemu_put_kbd_event;
448
static void *qemu_put_kbd_event_opaque;
449
static QEMUPutMouseEvent *qemu_put_mouse_event;
450
static void *qemu_put_mouse_event_opaque;
451

    
452
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
453
{
454
    qemu_put_kbd_event_opaque = opaque;
455
    qemu_put_kbd_event = func;
456
}
457

    
458
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
459
{
460
    qemu_put_mouse_event_opaque = opaque;
461
    qemu_put_mouse_event = func;
462
}
463

    
464
void kbd_put_keycode(int keycode)
465
{
466
    if (qemu_put_kbd_event) {
467
        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
468
    }
469
}
470

    
471
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
472
{
473
    if (qemu_put_mouse_event) {
474
        qemu_put_mouse_event(qemu_put_mouse_event_opaque, 
475
                             dx, dy, dz, buttons_state);
476
    }
477
}
478

    
479
/***********************************************************/
480
/* timers */
481

    
482
#if defined(__powerpc__)
483

    
484
static inline uint32_t get_tbl(void) 
485
{
486
    uint32_t tbl;
487
    asm volatile("mftb %0" : "=r" (tbl));
488
    return tbl;
489
}
490

    
491
static inline uint32_t get_tbu(void) 
492
{
493
        uint32_t tbl;
494
        asm volatile("mftbu %0" : "=r" (tbl));
495
        return tbl;
496
}
497

    
498
int64_t cpu_get_real_ticks(void)
499
{
500
    uint32_t l, h, h1;
501
    /* NOTE: we test if wrapping has occurred */
502
    do {
503
        h = get_tbu();
504
        l = get_tbl();
505
        h1 = get_tbu();
506
    } while (h != h1);
507
    return ((int64_t)h << 32) | l;
508
}
509

    
510
#elif defined(__i386__)
511

    
512
int64_t cpu_get_real_ticks(void)
513
{
514
    int64_t val;
515
    asm volatile ("rdtsc" : "=A" (val));
516
    return val;
517
}
518

    
519
#elif defined(__x86_64__)
520

    
521
int64_t cpu_get_real_ticks(void)
522
{
523
    uint32_t low,high;
524
    int64_t val;
525
    asm volatile("rdtsc" : "=a" (low), "=d" (high));
526
    val = high;
527
    val <<= 32;
528
    val |= low;
529
    return val;
530
}
531

    
532
#elif defined(__ia64)
533

    
534
int64_t cpu_get_real_ticks(void)
535
{
536
        int64_t val;
537
        asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
538
        return val;
539
}
540

    
541
#elif defined(__s390__)
542

    
543
int64_t cpu_get_real_ticks(void)
544
{
545
    int64_t val;
546
    asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
547
    return val;
548
}
549

    
550
#else
551
#error unsupported CPU
552
#endif
553

    
554
static int64_t cpu_ticks_offset;
555
static int cpu_ticks_enabled;
556

    
557
static inline int64_t cpu_get_ticks(void)
558
{
559
    if (!cpu_ticks_enabled) {
560
        return cpu_ticks_offset;
561
    } else {
562
        return cpu_get_real_ticks() + cpu_ticks_offset;
563
    }
564
}
565

    
566
/* enable cpu_get_ticks() */
567
void cpu_enable_ticks(void)
568
{
569
    if (!cpu_ticks_enabled) {
570
        cpu_ticks_offset -= cpu_get_real_ticks();
571
        cpu_ticks_enabled = 1;
572
    }
573
}
574

    
575
/* disable cpu_get_ticks() : the clock is stopped. You must not call
576
   cpu_get_ticks() after that.  */
577
void cpu_disable_ticks(void)
578
{
579
    if (cpu_ticks_enabled) {
580
        cpu_ticks_offset = cpu_get_ticks();
581
        cpu_ticks_enabled = 0;
582
    }
583
}
584

    
585
static int64_t get_clock(void)
586
{
587
#ifdef _WIN32
588
    struct _timeb tb;
589
    _ftime(&tb);
590
    return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
591
#else
592
    struct timeval tv;
593
    gettimeofday(&tv, NULL);
594
    return tv.tv_sec * 1000000LL + tv.tv_usec;
595
#endif
596
}
597

    
598
void cpu_calibrate_ticks(void)
599
{
600
    int64_t usec, ticks;
601

    
602
    usec = get_clock();
603
    ticks = cpu_get_real_ticks();
604
#ifdef _WIN32
605
    Sleep(50);
606
#else
607
    usleep(50 * 1000);
608
#endif
609
    usec = get_clock() - usec;
610
    ticks = cpu_get_real_ticks() - ticks;
611
    ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
612
}
613

    
614
/* compute with 96 bit intermediate result: (a*b)/c */
615
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
616
{
617
    union {
618
        uint64_t ll;
619
        struct {
620
#ifdef WORDS_BIGENDIAN
621
            uint32_t high, low;
622
#else
623
            uint32_t low, high;
624
#endif            
625
        } l;
626
    } u, res;
627
    uint64_t rl, rh;
628

    
629
    u.ll = a;
630
    rl = (uint64_t)u.l.low * (uint64_t)b;
631
    rh = (uint64_t)u.l.high * (uint64_t)b;
632
    rh += (rl >> 32);
633
    res.l.high = rh / c;
634
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
635
    return res.ll;
636
}
637

    
638
#define QEMU_TIMER_REALTIME 0
639
#define QEMU_TIMER_VIRTUAL  1
640

    
641
struct QEMUClock {
642
    int type;
643
    /* XXX: add frequency */
644
};
645

    
646
struct QEMUTimer {
647
    QEMUClock *clock;
648
    int64_t expire_time;
649
    QEMUTimerCB *cb;
650
    void *opaque;
651
    struct QEMUTimer *next;
652
};
653

    
654
QEMUClock *rt_clock;
655
QEMUClock *vm_clock;
656

    
657
static QEMUTimer *active_timers[2];
658
#ifdef _WIN32
659
static MMRESULT timerID;
660
#else
661
/* frequency of the times() clock tick */
662
static int timer_freq;
663
#endif
664

    
665
QEMUClock *qemu_new_clock(int type)
666
{
667
    QEMUClock *clock;
668
    clock = qemu_mallocz(sizeof(QEMUClock));
669
    if (!clock)
670
        return NULL;
671
    clock->type = type;
672
    return clock;
673
}
674

    
675
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
676
{
677
    QEMUTimer *ts;
678

    
679
    ts = qemu_mallocz(sizeof(QEMUTimer));
680
    ts->clock = clock;
681
    ts->cb = cb;
682
    ts->opaque = opaque;
683
    return ts;
684
}
685

    
686
void qemu_free_timer(QEMUTimer *ts)
687
{
688
    qemu_free(ts);
689
}
690

    
691
/* stop a timer, but do not dealloc it */
692
void qemu_del_timer(QEMUTimer *ts)
693
{
694
    QEMUTimer **pt, *t;
695

    
696
    /* NOTE: this code must be signal safe because
697
       qemu_timer_expired() can be called from a signal. */
698
    pt = &active_timers[ts->clock->type];
699
    for(;;) {
700
        t = *pt;
701
        if (!t)
702
            break;
703
        if (t == ts) {
704
            *pt = t->next;
705
            break;
706
        }
707
        pt = &t->next;
708
    }
709
}
710

    
711
/* modify the current timer so that it will be fired when current_time
712
   >= expire_time. The corresponding callback will be called. */
713
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
714
{
715
    QEMUTimer **pt, *t;
716

    
717
    qemu_del_timer(ts);
718

    
719
    /* add the timer in the sorted list */
720
    /* NOTE: this code must be signal safe because
721
       qemu_timer_expired() can be called from a signal. */
722
    pt = &active_timers[ts->clock->type];
723
    for(;;) {
724
        t = *pt;
725
        if (!t)
726
            break;
727
        if (t->expire_time > expire_time) 
728
            break;
729
        pt = &t->next;
730
    }
731
    ts->expire_time = expire_time;
732
    ts->next = *pt;
733
    *pt = ts;
734
}
735

    
736
int qemu_timer_pending(QEMUTimer *ts)
737
{
738
    QEMUTimer *t;
739
    for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
740
        if (t == ts)
741
            return 1;
742
    }
743
    return 0;
744
}
745

    
746
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
747
{
748
    if (!timer_head)
749
        return 0;
750
    return (timer_head->expire_time <= current_time);
751
}
752

    
753
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
754
{
755
    QEMUTimer *ts;
756
    
757
    for(;;) {
758
        ts = *ptimer_head;
759
        if (!ts || ts->expire_time > current_time)
760
            break;
761
        /* remove timer from the list before calling the callback */
762
        *ptimer_head = ts->next;
763
        ts->next = NULL;
764
        
765
        /* run the callback (the timer list can be modified) */
766
        ts->cb(ts->opaque);
767
    }
768
}
769

    
770
int64_t qemu_get_clock(QEMUClock *clock)
771
{
772
    switch(clock->type) {
773
    case QEMU_TIMER_REALTIME:
774
#ifdef _WIN32
775
        return GetTickCount();
776
#else
777
        {
778
            struct tms tp;
779

    
780
            /* Note that using gettimeofday() is not a good solution
781
               for timers because its value change when the date is
782
               modified. */
783
            if (timer_freq == 100) {
784
                return times(&tp) * 10;
785
            } else {
786
                return ((int64_t)times(&tp) * 1000) / timer_freq;
787
            }
788
        }
789
#endif
790
    default:
791
    case QEMU_TIMER_VIRTUAL:
792
        return cpu_get_ticks();
793
    }
794
}
795

    
796
/* save a timer */
797
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
798
{
799
    uint64_t expire_time;
800

    
801
    if (qemu_timer_pending(ts)) {
802
        expire_time = ts->expire_time;
803
    } else {
804
        expire_time = -1;
805
    }
806
    qemu_put_be64(f, expire_time);
807
}
808

    
809
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
810
{
811
    uint64_t expire_time;
812

    
813
    expire_time = qemu_get_be64(f);
814
    if (expire_time != -1) {
815
        qemu_mod_timer(ts, expire_time);
816
    } else {
817
        qemu_del_timer(ts);
818
    }
819
}
820

    
821
static void timer_save(QEMUFile *f, void *opaque)
822
{
823
    if (cpu_ticks_enabled) {
824
        hw_error("cannot save state if virtual timers are running");
825
    }
826
    qemu_put_be64s(f, &cpu_ticks_offset);
827
    qemu_put_be64s(f, &ticks_per_sec);
828
}
829

    
830
static int timer_load(QEMUFile *f, void *opaque, int version_id)
831
{
832
    if (version_id != 1)
833
        return -EINVAL;
834
    if (cpu_ticks_enabled) {
835
        return -EINVAL;
836
    }
837
    qemu_get_be64s(f, &cpu_ticks_offset);
838
    qemu_get_be64s(f, &ticks_per_sec);
839
    return 0;
840
}
841

    
842
#ifdef _WIN32
843
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, 
844
                                 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
845
#else
846
static void host_alarm_handler(int host_signum)
847
#endif
848
{
849
#if 0
850
#define DISP_FREQ 1000
851
    {
852
        static int64_t delta_min = INT64_MAX;
853
        static int64_t delta_max, delta_cum, last_clock, delta, ti;
854
        static int count;
855
        ti = qemu_get_clock(vm_clock);
856
        if (last_clock != 0) {
857
            delta = ti - last_clock;
858
            if (delta < delta_min)
859
                delta_min = delta;
860
            if (delta > delta_max)
861
                delta_max = delta;
862
            delta_cum += delta;
863
            if (++count == DISP_FREQ) {
864
                printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
865
                       muldiv64(delta_min, 1000000, ticks_per_sec),
866
                       muldiv64(delta_max, 1000000, ticks_per_sec),
867
                       muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
868
                       (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
869
                count = 0;
870
                delta_min = INT64_MAX;
871
                delta_max = 0;
872
                delta_cum = 0;
873
            }
874
        }
875
        last_clock = ti;
876
    }
877
#endif
878
    if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
879
                           qemu_get_clock(vm_clock)) ||
880
        qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
881
                           qemu_get_clock(rt_clock))) {
882
        /* stop the cpu because a timer occured */
883
        cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
884
#ifdef USE_KQEMU
885
        if (global_env->kqemu_enabled) {
886
            kqemu_cpu_interrupt(global_env);
887
        }
888
#endif
889
    }
890
}
891

    
892
#ifndef _WIN32
893

    
894
#if defined(__linux__)
895

    
896
#define RTC_FREQ 1024
897

    
898
static int rtc_fd;
899

    
900
static int start_rtc_timer(void)
901
{
902
    rtc_fd = open("/dev/rtc", O_RDONLY);
903
    if (rtc_fd < 0)
904
        return -1;
905
    if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
906
        fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
907
                "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
908
                "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
909
        goto fail;
910
    }
911
    if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
912
    fail:
913
        close(rtc_fd);
914
        return -1;
915
    }
916
    pit_min_timer_count = PIT_FREQ / RTC_FREQ;
917
    return 0;
918
}
919

    
920
#else
921

    
922
static int start_rtc_timer(void)
923
{
924
    return -1;
925
}
926

    
927
#endif /* !defined(__linux__) */
928

    
929
#endif /* !defined(_WIN32) */
930

    
931
static void init_timers(void)
932
{
933
    rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
934
    vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
935

    
936
#ifdef _WIN32
937
    {
938
        int count=0;
939
        timerID = timeSetEvent(1,     // interval (ms)
940
                               0,     // resolution
941
                               host_alarm_handler, // function
942
                               (DWORD)&count,  // user parameter
943
                               TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
944
         if( !timerID ) {
945
            perror("failed timer alarm");
946
            exit(1);
947
         }
948
    }
949
    pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
950
#else
951
    {
952
        struct sigaction act;
953
        struct itimerval itv;
954
        
955
        /* get times() syscall frequency */
956
        timer_freq = sysconf(_SC_CLK_TCK);
957
        
958
        /* timer signal */
959
        sigfillset(&act.sa_mask);
960
       act.sa_flags = 0;
961
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
962
        act.sa_flags |= SA_ONSTACK;
963
#endif
964
        act.sa_handler = host_alarm_handler;
965
        sigaction(SIGALRM, &act, NULL);
966

    
967
        itv.it_interval.tv_sec = 0;
968
        itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
969
        itv.it_value.tv_sec = 0;
970
        itv.it_value.tv_usec = 10 * 1000;
971
        setitimer(ITIMER_REAL, &itv, NULL);
972
        /* we probe the tick duration of the kernel to inform the user if
973
           the emulated kernel requested a too high timer frequency */
974
        getitimer(ITIMER_REAL, &itv);
975

    
976
#if defined(__linux__)
977
        if (itv.it_interval.tv_usec > 1000) {
978
            /* try to use /dev/rtc to have a faster timer */
979
            if (start_rtc_timer() < 0)
980
                goto use_itimer;
981
            /* disable itimer */
982
            itv.it_interval.tv_sec = 0;
983
            itv.it_interval.tv_usec = 0;
984
            itv.it_value.tv_sec = 0;
985
            itv.it_value.tv_usec = 0;
986
            setitimer(ITIMER_REAL, &itv, NULL);
987

    
988
            /* use the RTC */
989
            sigaction(SIGIO, &act, NULL);
990
            fcntl(rtc_fd, F_SETFL, O_ASYNC);
991
            fcntl(rtc_fd, F_SETOWN, getpid());
992
        } else 
993
#endif /* defined(__linux__) */
994
        {
995
        use_itimer:
996
            pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * 
997
                                   PIT_FREQ) / 1000000;
998
        }
999
    }
1000
#endif
1001
}
1002

    
1003
void quit_timers(void)
1004
{
1005
#ifdef _WIN32
1006
    timeKillEvent(timerID);
1007
#endif
1008
}
1009

    
1010
/***********************************************************/
1011
/* character device */
1012

    
1013
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1014
{
1015
    return s->chr_write(s, buf, len);
1016
}
1017

    
1018
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1019
{
1020
    char buf[4096];
1021
    va_list ap;
1022
    va_start(ap, fmt);
1023
    vsnprintf(buf, sizeof(buf), fmt, ap);
1024
    qemu_chr_write(s, buf, strlen(buf));
1025
    va_end(ap);
1026
}
1027

    
1028
void qemu_chr_send_event(CharDriverState *s, int event)
1029
{
1030
    if (s->chr_send_event)
1031
        s->chr_send_event(s, event);
1032
}
1033

    
1034
void qemu_chr_add_read_handler(CharDriverState *s, 
1035
                               IOCanRWHandler *fd_can_read, 
1036
                               IOReadHandler *fd_read, void *opaque)
1037
{
1038
    s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1039
}
1040
             
1041
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1042
{
1043
    s->chr_event = chr_event;
1044
}
1045

    
1046
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1047
{
1048
    return len;
1049
}
1050

    
1051
static void null_chr_add_read_handler(CharDriverState *chr, 
1052
                                    IOCanRWHandler *fd_can_read, 
1053
                                    IOReadHandler *fd_read, void *opaque)
1054
{
1055
}
1056

    
1057
CharDriverState *qemu_chr_open_null(void)
1058
{
1059
    CharDriverState *chr;
1060

    
1061
    chr = qemu_mallocz(sizeof(CharDriverState));
1062
    if (!chr)
1063
        return NULL;
1064
    chr->chr_write = null_chr_write;
1065
    chr->chr_add_read_handler = null_chr_add_read_handler;
1066
    return chr;
1067
}
1068

    
1069
#ifndef _WIN32
1070

    
1071
typedef struct {
1072
    int fd_in, fd_out;
1073
    /* for nographic stdio only */
1074
    IOCanRWHandler *fd_can_read; 
1075
    IOReadHandler *fd_read;
1076
    void *fd_opaque;
1077
} FDCharDriver;
1078

    
1079
#define STDIO_MAX_CLIENTS 2
1080

    
1081
static int stdio_nb_clients;
1082
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1083

    
1084
static int unix_write(int fd, const uint8_t *buf, int len1)
1085
{
1086
    int ret, len;
1087

    
1088
    len = len1;
1089
    while (len > 0) {
1090
        ret = write(fd, buf, len);
1091
        if (ret < 0) {
1092
            if (errno != EINTR && errno != EAGAIN)
1093
                return -1;
1094
        } else if (ret == 0) {
1095
            break;
1096
        } else {
1097
            buf += ret;
1098
            len -= ret;
1099
        }
1100
    }
1101
    return len1 - len;
1102
}
1103

    
1104
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1105
{
1106
    FDCharDriver *s = chr->opaque;
1107
    return unix_write(s->fd_out, buf, len);
1108
}
1109

    
1110
static void fd_chr_add_read_handler(CharDriverState *chr, 
1111
                                    IOCanRWHandler *fd_can_read, 
1112
                                    IOReadHandler *fd_read, void *opaque)
1113
{
1114
    FDCharDriver *s = chr->opaque;
1115

    
1116
    if (nographic && s->fd_in == 0) {
1117
        s->fd_can_read = fd_can_read;
1118
        s->fd_read = fd_read;
1119
        s->fd_opaque = opaque;
1120
    } else {
1121
        qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1122
    }
1123
}
1124

    
1125
/* open a character device to a unix fd */
1126
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1127
{
1128
    CharDriverState *chr;
1129
    FDCharDriver *s;
1130

    
1131
    chr = qemu_mallocz(sizeof(CharDriverState));
1132
    if (!chr)
1133
        return NULL;
1134
    s = qemu_mallocz(sizeof(FDCharDriver));
1135
    if (!s) {
1136
        free(chr);
1137
        return NULL;
1138
    }
1139
    s->fd_in = fd_in;
1140
    s->fd_out = fd_out;
1141
    chr->opaque = s;
1142
    chr->chr_write = fd_chr_write;
1143
    chr->chr_add_read_handler = fd_chr_add_read_handler;
1144
    return chr;
1145
}
1146

    
1147
/* for STDIO, we handle the case where several clients use it
1148
   (nographic mode) */
1149

    
1150
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1151

    
1152
#define TERM_FIFO_MAX_SIZE 1
1153

    
1154
static int term_got_escape, client_index;
1155
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1156
int term_fifo_size;
1157

    
1158
void term_print_help(void)
1159
{
1160
    printf("\n"
1161
           "C-a h    print this help\n"
1162
           "C-a x    exit emulator\n"
1163
           "C-a s    save disk data back to file (if -snapshot)\n"
1164
           "C-a b    send break (magic sysrq)\n"
1165
           "C-a c    switch between console and monitor\n"
1166
           "C-a C-a  send C-a\n"
1167
           );
1168
}
1169

    
1170
/* called when a char is received */
1171
static void stdio_received_byte(int ch)
1172
{
1173
    if (term_got_escape) {
1174
        term_got_escape = 0;
1175
        switch(ch) {
1176
        case 'h':
1177
            term_print_help();
1178
            break;
1179
        case 'x':
1180
            exit(0);
1181
            break;
1182
        case 's': 
1183
            {
1184
                int i;
1185
                for (i = 0; i < MAX_DISKS; i++) {
1186
                    if (bs_table[i])
1187
                        bdrv_commit(bs_table[i]);
1188
                }
1189
            }
1190
            break;
1191
        case 'b':
1192
            if (client_index < stdio_nb_clients) {
1193
                CharDriverState *chr;
1194
                FDCharDriver *s;
1195

    
1196
                chr = stdio_clients[client_index];
1197
                s = chr->opaque;
1198
                chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1199
            }
1200
            break;
1201
        case 'c':
1202
            client_index++;
1203
            if (client_index >= stdio_nb_clients)
1204
                client_index = 0;
1205
            if (client_index == 0) {
1206
                /* send a new line in the monitor to get the prompt */
1207
                ch = '\r';
1208
                goto send_char;
1209
            }
1210
            break;
1211
        case TERM_ESCAPE:
1212
            goto send_char;
1213
        }
1214
    } else if (ch == TERM_ESCAPE) {
1215
        term_got_escape = 1;
1216
    } else {
1217
    send_char:
1218
        if (client_index < stdio_nb_clients) {
1219
            uint8_t buf[1];
1220
            CharDriverState *chr;
1221
            FDCharDriver *s;
1222
            
1223
            chr = stdio_clients[client_index];
1224
            s = chr->opaque;
1225
            if (s->fd_can_read(s->fd_opaque) > 0) {
1226
                buf[0] = ch;
1227
                s->fd_read(s->fd_opaque, buf, 1);
1228
            } else if (term_fifo_size == 0) {
1229
                term_fifo[term_fifo_size++] = ch;
1230
            }
1231
        }
1232
    }
1233
}
1234

    
1235
static int stdio_can_read(void *opaque)
1236
{
1237
    CharDriverState *chr;
1238
    FDCharDriver *s;
1239

    
1240
    if (client_index < stdio_nb_clients) {
1241
        chr = stdio_clients[client_index];
1242
        s = chr->opaque;
1243
        /* try to flush the queue if needed */
1244
        if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1245
            s->fd_read(s->fd_opaque, term_fifo, 1);
1246
            term_fifo_size = 0;
1247
        }
1248
        /* see if we can absorb more chars */
1249
        if (term_fifo_size == 0)
1250
            return 1;
1251
        else
1252
            return 0;
1253
    } else {
1254
        return 1;
1255
    }
1256
}
1257

    
1258
static void stdio_read(void *opaque, const uint8_t *buf, int size)
1259
{
1260
    int i;
1261
    for(i = 0; i < size; i++)
1262
        stdio_received_byte(buf[i]);
1263
}
1264

    
1265
/* init terminal so that we can grab keys */
1266
static struct termios oldtty;
1267
static int old_fd0_flags;
1268

    
1269
static void term_exit(void)
1270
{
1271
    tcsetattr (0, TCSANOW, &oldtty);
1272
    fcntl(0, F_SETFL, old_fd0_flags);
1273
}
1274

    
1275
static void term_init(void)
1276
{
1277
    struct termios tty;
1278

    
1279
    tcgetattr (0, &tty);
1280
    oldtty = tty;
1281
    old_fd0_flags = fcntl(0, F_GETFL);
1282

    
1283
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1284
                          |INLCR|IGNCR|ICRNL|IXON);
1285
    tty.c_oflag |= OPOST;
1286
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1287
    /* if graphical mode, we allow Ctrl-C handling */
1288
    if (nographic)
1289
        tty.c_lflag &= ~ISIG;
1290
    tty.c_cflag &= ~(CSIZE|PARENB);
1291
    tty.c_cflag |= CS8;
1292
    tty.c_cc[VMIN] = 1;
1293
    tty.c_cc[VTIME] = 0;
1294
    
1295
    tcsetattr (0, TCSANOW, &tty);
1296

    
1297
    atexit(term_exit);
1298

    
1299
    fcntl(0, F_SETFL, O_NONBLOCK);
1300
}
1301

    
1302
CharDriverState *qemu_chr_open_stdio(void)
1303
{
1304
    CharDriverState *chr;
1305

    
1306
    if (nographic) {
1307
        if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1308
            return NULL;
1309
        chr = qemu_chr_open_fd(0, 1);
1310
        if (stdio_nb_clients == 0)
1311
            qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1312
        client_index = stdio_nb_clients;
1313
    } else {
1314
        if (stdio_nb_clients != 0)
1315
            return NULL;
1316
        chr = qemu_chr_open_fd(0, 1);
1317
    }
1318
    stdio_clients[stdio_nb_clients++] = chr;
1319
    if (stdio_nb_clients == 1) {
1320
        /* set the terminal in raw mode */
1321
        term_init();
1322
    }
1323
    return chr;
1324
}
1325

    
1326
#if defined(__linux__)
1327
CharDriverState *qemu_chr_open_pty(void)
1328
{
1329
    char slave_name[1024];
1330
    int master_fd, slave_fd;
1331
    
1332
    /* Not satisfying */
1333
    if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1334
        return NULL;
1335
    }
1336
    fprintf(stderr, "char device redirected to %s\n", slave_name);
1337
    return qemu_chr_open_fd(master_fd, master_fd);
1338
}
1339
#else
1340
CharDriverState *qemu_chr_open_pty(void)
1341
{
1342
    return NULL;
1343
}
1344
#endif
1345

    
1346
#endif /* !defined(_WIN32) */
1347

    
1348
CharDriverState *qemu_chr_open(const char *filename)
1349
{
1350
    if (!strcmp(filename, "vc")) {
1351
        return text_console_init(&display_state);
1352
    } else if (!strcmp(filename, "null")) {
1353
        return qemu_chr_open_null();
1354
    } else 
1355
#ifndef _WIN32
1356
    if (!strcmp(filename, "pty")) {
1357
        return qemu_chr_open_pty();
1358
    } else if (!strcmp(filename, "stdio")) {
1359
        return qemu_chr_open_stdio();
1360
    } else 
1361
#endif
1362
    {
1363
        return NULL;
1364
    }
1365
}
1366

    
1367
/***********************************************************/
1368
/* Linux network device redirectors */
1369

    
1370
void hex_dump(FILE *f, const uint8_t *buf, int size)
1371
{
1372
    int len, i, j, c;
1373

    
1374
    for(i=0;i<size;i+=16) {
1375
        len = size - i;
1376
        if (len > 16)
1377
            len = 16;
1378
        fprintf(f, "%08x ", i);
1379
        for(j=0;j<16;j++) {
1380
            if (j < len)
1381
                fprintf(f, " %02x", buf[i+j]);
1382
            else
1383
                fprintf(f, "   ");
1384
        }
1385
        fprintf(f, " ");
1386
        for(j=0;j<len;j++) {
1387
            c = buf[i+j];
1388
            if (c < ' ' || c > '~')
1389
                c = '.';
1390
            fprintf(f, "%c", c);
1391
        }
1392
        fprintf(f, "\n");
1393
    }
1394
}
1395

    
1396
void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1397
{
1398
    nd->send_packet(nd, buf, size);
1399
}
1400

    
1401
void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, 
1402
                          IOReadHandler *fd_read, void *opaque)
1403
{
1404
    nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1405
}
1406

    
1407
/* dummy network adapter */
1408

    
1409
static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1410
{
1411
}
1412

    
1413
static void dummy_add_read_packet(NetDriverState *nd, 
1414
                                  IOCanRWHandler *fd_can_read, 
1415
                                  IOReadHandler *fd_read, void *opaque)
1416
{
1417
}
1418

    
1419
static int net_dummy_init(NetDriverState *nd)
1420
{
1421
    nd->send_packet = dummy_send_packet;
1422
    nd->add_read_packet = dummy_add_read_packet;
1423
    pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1424
    return 0;
1425
}
1426

    
1427
#if defined(CONFIG_SLIRP)
1428

    
1429
/* slirp network adapter */
1430

    
1431
static void *slirp_fd_opaque;
1432
static IOCanRWHandler *slirp_fd_can_read;
1433
static IOReadHandler *slirp_fd_read;
1434
static int slirp_inited;
1435

    
1436
int slirp_can_output(void)
1437
{
1438
    return slirp_fd_can_read(slirp_fd_opaque);
1439
}
1440

    
1441
void slirp_output(const uint8_t *pkt, int pkt_len)
1442
{
1443
#if 0
1444
    printf("output:\n");
1445
    hex_dump(stdout, pkt, pkt_len);
1446
#endif
1447
    slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1448
}
1449

    
1450
static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1451
{
1452
#if 0
1453
    printf("input:\n");
1454
    hex_dump(stdout, buf, size);
1455
#endif
1456
    slirp_input(buf, size);
1457
}
1458

    
1459
static void slirp_add_read_packet(NetDriverState *nd, 
1460
                                  IOCanRWHandler *fd_can_read, 
1461
                                  IOReadHandler *fd_read, void *opaque)
1462
{
1463
    slirp_fd_opaque = opaque;
1464
    slirp_fd_can_read = fd_can_read;
1465
    slirp_fd_read = fd_read;
1466
}
1467

    
1468
static int net_slirp_init(NetDriverState *nd)
1469
{
1470
    if (!slirp_inited) {
1471
        slirp_inited = 1;
1472
        slirp_init();
1473
    }
1474
    nd->send_packet = slirp_send_packet;
1475
    nd->add_read_packet = slirp_add_read_packet;
1476
    pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1477
    return 0;
1478
}
1479

    
1480
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1481
{
1482
    const char *p, *p1;
1483
    int len;
1484
    p = *pp;
1485
    p1 = strchr(p, sep);
1486
    if (!p1)
1487
        return -1;
1488
    len = p1 - p;
1489
    p1++;
1490
    if (buf_size > 0) {
1491
        if (len > buf_size - 1)
1492
            len = buf_size - 1;
1493
        memcpy(buf, p, len);
1494
        buf[len] = '\0';
1495
    }
1496
    *pp = p1;
1497
    return 0;
1498
}
1499

    
1500
static void net_slirp_redir(const char *redir_str)
1501
{
1502
    int is_udp;
1503
    char buf[256], *r;
1504
    const char *p;
1505
    struct in_addr guest_addr;
1506
    int host_port, guest_port;
1507
    
1508
    if (!slirp_inited) {
1509
        slirp_inited = 1;
1510
        slirp_init();
1511
    }
1512

    
1513
    p = redir_str;
1514
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1515
        goto fail;
1516
    if (!strcmp(buf, "tcp")) {
1517
        is_udp = 0;
1518
    } else if (!strcmp(buf, "udp")) {
1519
        is_udp = 1;
1520
    } else {
1521
        goto fail;
1522
    }
1523

    
1524
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1525
        goto fail;
1526
    host_port = strtol(buf, &r, 0);
1527
    if (r == buf)
1528
        goto fail;
1529

    
1530
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1531
        goto fail;
1532
    if (buf[0] == '\0') {
1533
        pstrcpy(buf, sizeof(buf), "10.0.2.15");
1534
    }
1535
    if (!inet_aton(buf, &guest_addr))
1536
        goto fail;
1537
    
1538
    guest_port = strtol(p, &r, 0);
1539
    if (r == p)
1540
        goto fail;
1541
    
1542
    if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1543
        fprintf(stderr, "qemu: could not set up redirection\n");
1544
        exit(1);
1545
    }
1546
    return;
1547
 fail:
1548
    fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1549
    exit(1);
1550
}
1551
    
1552
#ifndef _WIN32
1553

    
1554
char smb_dir[1024];
1555

    
1556
static void smb_exit(void)
1557
{
1558
    DIR *d;
1559
    struct dirent *de;
1560
    char filename[1024];
1561

    
1562
    /* erase all the files in the directory */
1563
    d = opendir(smb_dir);
1564
    for(;;) {
1565
        de = readdir(d);
1566
        if (!de)
1567
            break;
1568
        if (strcmp(de->d_name, ".") != 0 &&
1569
            strcmp(de->d_name, "..") != 0) {
1570
            snprintf(filename, sizeof(filename), "%s/%s", 
1571
                     smb_dir, de->d_name);
1572
            unlink(filename);
1573
        }
1574
    }
1575
    closedir(d);
1576
    rmdir(smb_dir);
1577
}
1578

    
1579
/* automatic user mode samba server configuration */
1580
void net_slirp_smb(const char *exported_dir)
1581
{
1582
    char smb_conf[1024];
1583
    char smb_cmdline[1024];
1584
    FILE *f;
1585

    
1586
    if (!slirp_inited) {
1587
        slirp_inited = 1;
1588
        slirp_init();
1589
    }
1590

    
1591
    /* XXX: better tmp dir construction */
1592
    snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
1593
    if (mkdir(smb_dir, 0700) < 0) {
1594
        fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
1595
        exit(1);
1596
    }
1597
    snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
1598
    
1599
    f = fopen(smb_conf, "w");
1600
    if (!f) {
1601
        fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
1602
        exit(1);
1603
    }
1604
    fprintf(f, 
1605
            "[global]\n"
1606
            "private dir=%s\n"
1607
            "smb ports=0\n"
1608
            "socket address=127.0.0.1\n"
1609
            "pid directory=%s\n"
1610
            "lock directory=%s\n"
1611
            "log file=%s/log.smbd\n"
1612
            "smb passwd file=%s/smbpasswd\n"
1613
            "security = share\n"
1614
            "[qemu]\n"
1615
            "path=%s\n"
1616
            "read only=no\n"
1617
            "guest ok=yes\n",
1618
            smb_dir,
1619
            smb_dir,
1620
            smb_dir,
1621
            smb_dir,
1622
            smb_dir,
1623
            exported_dir
1624
            );
1625
    fclose(f);
1626
    atexit(smb_exit);
1627

    
1628
    snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
1629
             smb_conf);
1630
    
1631
    slirp_add_exec(0, smb_cmdline, 4, 139);
1632
}
1633

    
1634
#endif /* !defined(_WIN32) */
1635

    
1636
#endif /* CONFIG_SLIRP */
1637

    
1638
#if !defined(_WIN32)
1639
#ifdef _BSD
1640
static int tun_open(char *ifname, int ifname_size)
1641
{
1642
    int fd;
1643
    char *dev;
1644
    struct stat s;
1645

    
1646
    fd = open("/dev/tap", O_RDWR);
1647
    if (fd < 0) {
1648
        fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1649
        return -1;
1650
    }
1651

    
1652
    fstat(fd, &s);
1653
    dev = devname(s.st_rdev, S_IFCHR);
1654
    pstrcpy(ifname, ifname_size, dev);
1655

    
1656
    fcntl(fd, F_SETFL, O_NONBLOCK);
1657
    return fd;
1658
}
1659
#else
1660
static int tun_open(char *ifname, int ifname_size)
1661
{
1662
    struct ifreq ifr;
1663
    int fd, ret;
1664
    
1665
    fd = open("/dev/net/tun", O_RDWR);
1666
    if (fd < 0) {
1667
        fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1668
        return -1;
1669
    }
1670
    memset(&ifr, 0, sizeof(ifr));
1671
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1672
    pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1673
    ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1674
    if (ret != 0) {
1675
        fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1676
        close(fd);
1677
        return -1;
1678
    }
1679
    printf("Connected to host network interface: %s\n", ifr.ifr_name);
1680
    pstrcpy(ifname, ifname_size, ifr.ifr_name);
1681
    fcntl(fd, F_SETFL, O_NONBLOCK);
1682
    return fd;
1683
}
1684
#endif
1685

    
1686
static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1687
{
1688
    write(nd->fd, buf, size);
1689
}
1690

    
1691
static void tun_add_read_packet(NetDriverState *nd, 
1692
                                IOCanRWHandler *fd_can_read, 
1693
                                IOReadHandler *fd_read, void *opaque)
1694
{
1695
    qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1696
}
1697

    
1698
static int net_tun_init(NetDriverState *nd)
1699
{
1700
    int pid, status;
1701
    char *args[3];
1702
    char **parg;
1703

    
1704
    nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1705
    if (nd->fd < 0)
1706
        return -1;
1707

    
1708
    /* try to launch network init script */
1709
    pid = fork();
1710
    if (pid >= 0) {
1711
        if (pid == 0) {
1712
            parg = args;
1713
            *parg++ = network_script;
1714
            *parg++ = nd->ifname;
1715
            *parg++ = NULL;
1716
            execv(network_script, args);
1717
            exit(1);
1718
        }
1719
        while (waitpid(pid, &status, 0) != pid);
1720
        if (!WIFEXITED(status) ||
1721
            WEXITSTATUS(status) != 0) {
1722
            fprintf(stderr, "%s: could not launch network script\n",
1723
                    network_script);
1724
        }
1725
    }
1726
    nd->send_packet = tun_send_packet;
1727
    nd->add_read_packet = tun_add_read_packet;
1728
    return 0;
1729
}
1730

    
1731
static int net_fd_init(NetDriverState *nd, int fd)
1732
{
1733
    nd->fd = fd;
1734
    nd->send_packet = tun_send_packet;
1735
    nd->add_read_packet = tun_add_read_packet;
1736
    pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1737
    return 0;
1738
}
1739

    
1740
#endif /* !_WIN32 */
1741

    
1742
/***********************************************************/
1743
/* USB devices */
1744

    
1745
static int usb_device_add(const char *devname)
1746
{
1747
    const char *p;
1748
    USBDevice *dev;
1749
    int i;
1750

    
1751
    if (!vm_usb_hub)
1752
        return -1;
1753
    for(i = 0;i < MAX_VM_USB_PORTS; i++) {
1754
        if (!vm_usb_ports[i]->dev)
1755
            break;
1756
    }
1757
    if (i == MAX_VM_USB_PORTS)
1758
        return -1;
1759

    
1760
    if (strstart(devname, "host:", &p)) {
1761
        dev = usb_host_device_open(p);
1762
        if (!dev)
1763
            return -1;
1764
    } else if (!strcmp(devname, "mouse")) {
1765
        dev = usb_mouse_init();
1766
        if (!dev)
1767
            return -1;
1768
    } else {
1769
        return -1;
1770
    }
1771
    usb_attach(vm_usb_ports[i], dev);
1772
    return 0;
1773
}
1774

    
1775
static int usb_device_del(const char *devname)
1776
{
1777
    USBDevice *dev;
1778
    int bus_num, addr, i;
1779
    const char *p;
1780

    
1781
    if (!vm_usb_hub)
1782
        return -1;
1783

    
1784
    p = strchr(devname, '.');
1785
    if (!p) 
1786
        return -1;
1787
    bus_num = strtoul(devname, NULL, 0);
1788
    addr = strtoul(p + 1, NULL, 0);
1789
    if (bus_num != 0)
1790
        return -1;
1791
    for(i = 0;i < MAX_VM_USB_PORTS; i++) {
1792
        dev = vm_usb_ports[i]->dev;
1793
        if (dev && dev->addr == addr)
1794
            break;
1795
    }
1796
    if (i == MAX_VM_USB_PORTS)
1797
        return -1;
1798
    usb_attach(vm_usb_ports[i], NULL);
1799
    return 0;
1800
}
1801

    
1802
void do_usb_add(const char *devname)
1803
{
1804
    int ret;
1805
    ret = usb_device_add(devname);
1806
    if (ret < 0) 
1807
        term_printf("Could not add USB device '%s'\n", devname);
1808
}
1809

    
1810
void do_usb_del(const char *devname)
1811
{
1812
    int ret;
1813
    ret = usb_device_del(devname);
1814
    if (ret < 0) 
1815
        term_printf("Could not remove USB device '%s'\n", devname);
1816
}
1817

    
1818
void usb_info(void)
1819
{
1820
    USBDevice *dev;
1821
    int i;
1822
    const char *speed_str;
1823

    
1824
    if (!vm_usb_hub) {
1825
        term_printf("USB support not enabled\n");
1826
        return;
1827
    }
1828

    
1829
    for(i = 0; i < MAX_VM_USB_PORTS; i++) {
1830
        dev = vm_usb_ports[i]->dev;
1831
        if (dev) {
1832
            term_printf("Hub port %d:\n", i);
1833
            switch(dev->speed) {
1834
            case USB_SPEED_LOW: 
1835
                speed_str = "1.5"; 
1836
                break;
1837
            case USB_SPEED_FULL: 
1838
                speed_str = "12"; 
1839
                break;
1840
            case USB_SPEED_HIGH: 
1841
                speed_str = "480"; 
1842
                break;
1843
            default:
1844
                speed_str = "?"; 
1845
                break;
1846
            }
1847
            term_printf("  Device %d.%d, speed %s Mb/s\n", 
1848
                        0, dev->addr, speed_str);
1849
        }
1850
    }
1851
}
1852

    
1853
/***********************************************************/
1854
/* pid file */
1855

    
1856
static char *pid_filename;
1857

    
1858
/* Remove PID file. Called on normal exit */
1859

    
1860
static void remove_pidfile(void) 
1861
{
1862
    unlink (pid_filename);
1863
}
1864

    
1865
static void create_pidfile(const char *filename)
1866
{
1867
    struct stat pidstat;
1868
    FILE *f;
1869

    
1870
    /* Try to write our PID to the named file */
1871
    if (stat(filename, &pidstat) < 0) {
1872
        if (errno == ENOENT) {
1873
            if ((f = fopen (filename, "w")) == NULL) {
1874
                perror("Opening pidfile");
1875
                exit(1);
1876
            }
1877
            fprintf(f, "%d\n", getpid());
1878
            fclose(f);
1879
            pid_filename = qemu_strdup(filename);
1880
            if (!pid_filename) {
1881
                fprintf(stderr, "Could not save PID filename");
1882
                exit(1);
1883
            }
1884
            atexit(remove_pidfile);
1885
        }
1886
    } else {
1887
        fprintf(stderr, "%s already exists. Remove it and try again.\n", 
1888
                filename);
1889
        exit(1);
1890
    }
1891
}
1892

    
1893
/***********************************************************/
1894
/* dumb display */
1895

    
1896
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1897
{
1898
}
1899

    
1900
static void dumb_resize(DisplayState *ds, int w, int h)
1901
{
1902
}
1903

    
1904
static void dumb_refresh(DisplayState *ds)
1905
{
1906
    vga_update_display();
1907
}
1908

    
1909
void dumb_display_init(DisplayState *ds)
1910
{
1911
    ds->data = NULL;
1912
    ds->linesize = 0;
1913
    ds->depth = 0;
1914
    ds->dpy_update = dumb_update;
1915
    ds->dpy_resize = dumb_resize;
1916
    ds->dpy_refresh = dumb_refresh;
1917
}
1918

    
1919
#if !defined(CONFIG_SOFTMMU)
1920
/***********************************************************/
1921
/* cpu signal handler */
1922
static void host_segv_handler(int host_signum, siginfo_t *info, 
1923
                              void *puc)
1924
{
1925
    if (cpu_signal_handler(host_signum, info, puc))
1926
        return;
1927
    if (stdio_nb_clients > 0)
1928
        term_exit();
1929
    abort();
1930
}
1931
#endif
1932

    
1933
/***********************************************************/
1934
/* I/O handling */
1935

    
1936
#define MAX_IO_HANDLERS 64
1937

    
1938
typedef struct IOHandlerRecord {
1939
    int fd;
1940
    IOCanRWHandler *fd_can_read;
1941
    IOReadHandler *fd_read;
1942
    void *opaque;
1943
    /* temporary data */
1944
    struct pollfd *ufd;
1945
    int max_size;
1946
    struct IOHandlerRecord *next;
1947
} IOHandlerRecord;
1948

    
1949
static IOHandlerRecord *first_io_handler;
1950

    
1951
int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, 
1952
                             IOReadHandler *fd_read, void *opaque)
1953
{
1954
    IOHandlerRecord *ioh;
1955

    
1956
    ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1957
    if (!ioh)
1958
        return -1;
1959
    ioh->fd = fd;
1960
    ioh->fd_can_read = fd_can_read;
1961
    ioh->fd_read = fd_read;
1962
    ioh->opaque = opaque;
1963
    ioh->next = first_io_handler;
1964
    first_io_handler = ioh;
1965
    return 0;
1966
}
1967

    
1968
void qemu_del_fd_read_handler(int fd)
1969
{
1970
    IOHandlerRecord **pioh, *ioh;
1971

    
1972
    pioh = &first_io_handler;
1973
    for(;;) {
1974
        ioh = *pioh;
1975
        if (ioh == NULL)
1976
            break;
1977
        if (ioh->fd == fd) {
1978
            *pioh = ioh->next;
1979
            break;
1980
        }
1981
        pioh = &ioh->next;
1982
    }
1983
}
1984

    
1985
/***********************************************************/
1986
/* savevm/loadvm support */
1987

    
1988
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1989
{
1990
    fwrite(buf, 1, size, f);
1991
}
1992

    
1993
void qemu_put_byte(QEMUFile *f, int v)
1994
{
1995
    fputc(v, f);
1996
}
1997

    
1998
void qemu_put_be16(QEMUFile *f, unsigned int v)
1999
{
2000
    qemu_put_byte(f, v >> 8);
2001
    qemu_put_byte(f, v);
2002
}
2003

    
2004
void qemu_put_be32(QEMUFile *f, unsigned int v)
2005
{
2006
    qemu_put_byte(f, v >> 24);
2007
    qemu_put_byte(f, v >> 16);
2008
    qemu_put_byte(f, v >> 8);
2009
    qemu_put_byte(f, v);
2010
}
2011

    
2012
void qemu_put_be64(QEMUFile *f, uint64_t v)
2013
{
2014
    qemu_put_be32(f, v >> 32);
2015
    qemu_put_be32(f, v);
2016
}
2017

    
2018
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
2019
{
2020
    return fread(buf, 1, size, f);
2021
}
2022

    
2023
int qemu_get_byte(QEMUFile *f)
2024
{
2025
    int v;
2026
    v = fgetc(f);
2027
    if (v == EOF)
2028
        return 0;
2029
    else
2030
        return v;
2031
}
2032

    
2033
unsigned int qemu_get_be16(QEMUFile *f)
2034
{
2035
    unsigned int v;
2036
    v = qemu_get_byte(f) << 8;
2037
    v |= qemu_get_byte(f);
2038
    return v;
2039
}
2040

    
2041
unsigned int qemu_get_be32(QEMUFile *f)
2042
{
2043
    unsigned int v;
2044
    v = qemu_get_byte(f) << 24;
2045
    v |= qemu_get_byte(f) << 16;
2046
    v |= qemu_get_byte(f) << 8;
2047
    v |= qemu_get_byte(f);
2048
    return v;
2049
}
2050

    
2051
uint64_t qemu_get_be64(QEMUFile *f)
2052
{
2053
    uint64_t v;
2054
    v = (uint64_t)qemu_get_be32(f) << 32;
2055
    v |= qemu_get_be32(f);
2056
    return v;
2057
}
2058

    
2059
int64_t qemu_ftell(QEMUFile *f)
2060
{
2061
    return ftell(f);
2062
}
2063

    
2064
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
2065
{
2066
    if (fseek(f, pos, whence) < 0)
2067
        return -1;
2068
    return ftell(f);
2069
}
2070

    
2071
typedef struct SaveStateEntry {
2072
    char idstr[256];
2073
    int instance_id;
2074
    int version_id;
2075
    SaveStateHandler *save_state;
2076
    LoadStateHandler *load_state;
2077
    void *opaque;
2078
    struct SaveStateEntry *next;
2079
} SaveStateEntry;
2080

    
2081
static SaveStateEntry *first_se;
2082

    
2083
int register_savevm(const char *idstr, 
2084
                    int instance_id, 
2085
                    int version_id,
2086
                    SaveStateHandler *save_state,
2087
                    LoadStateHandler *load_state,
2088
                    void *opaque)
2089
{
2090
    SaveStateEntry *se, **pse;
2091

    
2092
    se = qemu_malloc(sizeof(SaveStateEntry));
2093
    if (!se)
2094
        return -1;
2095
    pstrcpy(se->idstr, sizeof(se->idstr), idstr);
2096
    se->instance_id = instance_id;
2097
    se->version_id = version_id;
2098
    se->save_state = save_state;
2099
    se->load_state = load_state;
2100
    se->opaque = opaque;
2101
    se->next = NULL;
2102

    
2103
    /* add at the end of list */
2104
    pse = &first_se;
2105
    while (*pse != NULL)
2106
        pse = &(*pse)->next;
2107
    *pse = se;
2108
    return 0;
2109
}
2110

    
2111
#define QEMU_VM_FILE_MAGIC   0x5145564d
2112
#define QEMU_VM_FILE_VERSION 0x00000001
2113

    
2114
int qemu_savevm(const char *filename)
2115
{
2116
    SaveStateEntry *se;
2117
    QEMUFile *f;
2118
    int len, len_pos, cur_pos, saved_vm_running, ret;
2119

    
2120
    saved_vm_running = vm_running;
2121
    vm_stop(0);
2122

    
2123
    f = fopen(filename, "wb");
2124
    if (!f) {
2125
        ret = -1;
2126
        goto the_end;
2127
    }
2128

    
2129
    qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
2130
    qemu_put_be32(f, QEMU_VM_FILE_VERSION);
2131

    
2132
    for(se = first_se; se != NULL; se = se->next) {
2133
        /* ID string */
2134
        len = strlen(se->idstr);
2135
        qemu_put_byte(f, len);
2136
        qemu_put_buffer(f, se->idstr, len);
2137

    
2138
        qemu_put_be32(f, se->instance_id);
2139
        qemu_put_be32(f, se->version_id);
2140

    
2141
        /* record size: filled later */
2142
        len_pos = ftell(f);
2143
        qemu_put_be32(f, 0);
2144
        
2145
        se->save_state(f, se->opaque);
2146

    
2147
        /* fill record size */
2148
        cur_pos = ftell(f);
2149
        len = ftell(f) - len_pos - 4;
2150
        fseek(f, len_pos, SEEK_SET);
2151
        qemu_put_be32(f, len);
2152
        fseek(f, cur_pos, SEEK_SET);
2153
    }
2154

    
2155
    fclose(f);
2156
    ret = 0;
2157
 the_end:
2158
    if (saved_vm_running)
2159
        vm_start();
2160
    return ret;
2161
}
2162

    
2163
static SaveStateEntry *find_se(const char *idstr, int instance_id)
2164
{
2165
    SaveStateEntry *se;
2166

    
2167
    for(se = first_se; se != NULL; se = se->next) {
2168
        if (!strcmp(se->idstr, idstr) && 
2169
            instance_id == se->instance_id)
2170
            return se;
2171
    }
2172
    return NULL;
2173
}
2174

    
2175
int qemu_loadvm(const char *filename)
2176
{
2177
    SaveStateEntry *se;
2178
    QEMUFile *f;
2179
    int len, cur_pos, ret, instance_id, record_len, version_id;
2180
    int saved_vm_running;
2181
    unsigned int v;
2182
    char idstr[256];
2183
    
2184
    saved_vm_running = vm_running;
2185
    vm_stop(0);
2186

    
2187
    f = fopen(filename, "rb");
2188
    if (!f) {
2189
        ret = -1;
2190
        goto the_end;
2191
    }
2192

    
2193
    v = qemu_get_be32(f);
2194
    if (v != QEMU_VM_FILE_MAGIC)
2195
        goto fail;
2196
    v = qemu_get_be32(f);
2197
    if (v != QEMU_VM_FILE_VERSION) {
2198
    fail:
2199
        fclose(f);
2200
        ret = -1;
2201
        goto the_end;
2202
    }
2203
    for(;;) {
2204
#if defined (DO_TB_FLUSH)
2205
        tb_flush(global_env);
2206
#endif
2207
        len = qemu_get_byte(f);
2208
        if (feof(f))
2209
            break;
2210
        qemu_get_buffer(f, idstr, len);
2211
        idstr[len] = '\0';
2212
        instance_id = qemu_get_be32(f);
2213
        version_id = qemu_get_be32(f);
2214
        record_len = qemu_get_be32(f);
2215
#if 0
2216
        printf("idstr=%s instance=0x%x version=%d len=%d\n", 
2217
               idstr, instance_id, version_id, record_len);
2218
#endif
2219
        cur_pos = ftell(f);
2220
        se = find_se(idstr, instance_id);
2221
        if (!se) {
2222
            fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", 
2223
                    instance_id, idstr);
2224
        } else {
2225
            ret = se->load_state(f, se->opaque, version_id);
2226
            if (ret < 0) {
2227
                fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", 
2228
                        instance_id, idstr);
2229
            }
2230
        }
2231
        /* always seek to exact end of record */
2232
        qemu_fseek(f, cur_pos + record_len, SEEK_SET);
2233
    }
2234
    fclose(f);
2235
    ret = 0;
2236
 the_end:
2237
    if (saved_vm_running)
2238
        vm_start();
2239
    return ret;
2240
}
2241

    
2242
/***********************************************************/
2243
/* cpu save/restore */
2244

    
2245
#if defined(TARGET_I386)
2246

    
2247
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
2248
{
2249
    qemu_put_be32(f, dt->selector);
2250
    qemu_put_betl(f, dt->base);
2251
    qemu_put_be32(f, dt->limit);
2252
    qemu_put_be32(f, dt->flags);
2253
}
2254

    
2255
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
2256
{
2257
    dt->selector = qemu_get_be32(f);
2258
    dt->base = qemu_get_betl(f);
2259
    dt->limit = qemu_get_be32(f);
2260
    dt->flags = qemu_get_be32(f);
2261
}
2262

    
2263
void cpu_save(QEMUFile *f, void *opaque)
2264
{
2265
    CPUState *env = opaque;
2266
    uint16_t fptag, fpus, fpuc, fpregs_format;
2267
    uint32_t hflags;
2268
    int i;
2269
    
2270
    for(i = 0; i < CPU_NB_REGS; i++)
2271
        qemu_put_betls(f, &env->regs[i]);
2272
    qemu_put_betls(f, &env->eip);
2273
    qemu_put_betls(f, &env->eflags);
2274
    hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
2275
    qemu_put_be32s(f, &hflags);
2276
    
2277
    /* FPU */
2278
    fpuc = env->fpuc;
2279
    fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
2280
    fptag = 0;
2281
    for(i = 0; i < 8; i++) {
2282
        fptag |= ((!env->fptags[i]) << i);
2283
    }
2284
    
2285
    qemu_put_be16s(f, &fpuc);
2286
    qemu_put_be16s(f, &fpus);
2287
    qemu_put_be16s(f, &fptag);
2288

    
2289
#ifdef USE_X86LDOUBLE
2290
    fpregs_format = 0;
2291
#else
2292
    fpregs_format = 1;
2293
#endif
2294
    qemu_put_be16s(f, &fpregs_format);
2295
    
2296
    for(i = 0; i < 8; i++) {
2297
#ifdef USE_X86LDOUBLE
2298
        {
2299
            uint64_t mant;
2300
            uint16_t exp;
2301
            /* we save the real CPU data (in case of MMX usage only 'mant'
2302
               contains the MMX register */
2303
            cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
2304
            qemu_put_be64(f, mant);
2305
            qemu_put_be16(f, exp);
2306
        }
2307
#else
2308
        /* if we use doubles for float emulation, we save the doubles to
2309
           avoid losing information in case of MMX usage. It can give
2310
           problems if the image is restored on a CPU where long
2311
           doubles are used instead. */
2312
        qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
2313
#endif
2314
    }
2315

    
2316
    for(i = 0; i < 6; i++)
2317
        cpu_put_seg(f, &env->segs[i]);
2318
    cpu_put_seg(f, &env->ldt);
2319
    cpu_put_seg(f, &env->tr);
2320
    cpu_put_seg(f, &env->gdt);
2321
    cpu_put_seg(f, &env->idt);
2322
    
2323
    qemu_put_be32s(f, &env->sysenter_cs);
2324
    qemu_put_be32s(f, &env->sysenter_esp);
2325
    qemu_put_be32s(f, &env->sysenter_eip);
2326
    
2327
    qemu_put_betls(f, &env->cr[0]);
2328
    qemu_put_betls(f, &env->cr[2]);
2329
    qemu_put_betls(f, &env->cr[3]);
2330
    qemu_put_betls(f, &env->cr[4]);
2331
    
2332
    for(i = 0; i < 8; i++)
2333
        qemu_put_betls(f, &env->dr[i]);
2334

    
2335
    /* MMU */
2336
    qemu_put_be32s(f, &env->a20_mask);
2337

    
2338
    /* XMM */
2339
    qemu_put_be32s(f, &env->mxcsr);
2340
    for(i = 0; i < CPU_NB_REGS; i++) {
2341
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2342
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2343
    }
2344

    
2345
#ifdef TARGET_X86_64
2346
    qemu_put_be64s(f, &env->efer);
2347
    qemu_put_be64s(f, &env->star);
2348
    qemu_put_be64s(f, &env->lstar);
2349
    qemu_put_be64s(f, &env->cstar);
2350
    qemu_put_be64s(f, &env->fmask);
2351
    qemu_put_be64s(f, &env->kernelgsbase);
2352
#endif
2353
}
2354

    
2355
#ifdef USE_X86LDOUBLE
2356
/* XXX: add that in a FPU generic layer */
2357
union x86_longdouble {
2358
    uint64_t mant;
2359
    uint16_t exp;
2360
};
2361

    
2362
#define MANTD1(fp)        (fp & ((1LL << 52) - 1))
2363
#define EXPBIAS1 1023
2364
#define EXPD1(fp)        ((fp >> 52) & 0x7FF)
2365
#define SIGND1(fp)        ((fp >> 32) & 0x80000000)
2366

    
2367
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
2368
{
2369
    int e;
2370
    /* mantissa */
2371
    p->mant = (MANTD1(temp) << 11) | (1LL << 63);
2372
    /* exponent + sign */
2373
    e = EXPD1(temp) - EXPBIAS1 + 16383;
2374
    e |= SIGND1(temp) >> 16;
2375
    p->exp = e;
2376
}
2377
#endif
2378

    
2379
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2380
{
2381
    CPUState *env = opaque;
2382
    int i, guess_mmx;
2383
    uint32_t hflags;
2384
    uint16_t fpus, fpuc, fptag, fpregs_format;
2385

    
2386
    if (version_id != 3)
2387
        return -EINVAL;
2388
    for(i = 0; i < CPU_NB_REGS; i++)
2389
        qemu_get_betls(f, &env->regs[i]);
2390
    qemu_get_betls(f, &env->eip);
2391
    qemu_get_betls(f, &env->eflags);
2392
    qemu_get_be32s(f, &hflags);
2393

    
2394
    qemu_get_be16s(f, &fpuc);
2395
    qemu_get_be16s(f, &fpus);
2396
    qemu_get_be16s(f, &fptag);
2397
    qemu_get_be16s(f, &fpregs_format);
2398
    
2399
    /* NOTE: we cannot always restore the FPU state if the image come
2400
       from a host with a different 'USE_X86LDOUBLE' define. We guess
2401
       if we are in an MMX state to restore correctly in that case. */
2402
    guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
2403
    for(i = 0; i < 8; i++) {
2404
        uint64_t mant;
2405
        uint16_t exp;
2406
        
2407
        switch(fpregs_format) {
2408
        case 0:
2409
            mant = qemu_get_be64(f);
2410
            exp = qemu_get_be16(f);
2411
#ifdef USE_X86LDOUBLE
2412
            env->fpregs[i].d = cpu_set_fp80(mant, exp);
2413
#else
2414
            /* difficult case */
2415
            if (guess_mmx)
2416
                env->fpregs[i].mmx.MMX_Q(0) = mant;
2417
            else
2418
                env->fpregs[i].d = cpu_set_fp80(mant, exp);
2419
#endif
2420
            break;
2421
        case 1:
2422
            mant = qemu_get_be64(f);
2423
#ifdef USE_X86LDOUBLE
2424
            {
2425
                union x86_longdouble *p;
2426
                /* difficult case */
2427
                p = (void *)&env->fpregs[i];
2428
                if (guess_mmx) {
2429
                    p->mant = mant;
2430
                    p->exp = 0xffff;
2431
                } else {
2432
                    fp64_to_fp80(p, mant);
2433
                }
2434
            }
2435
#else
2436
            env->fpregs[i].mmx.MMX_Q(0) = mant;
2437
#endif            
2438
            break;
2439
        default:
2440
            return -EINVAL;
2441
        }
2442
    }
2443

    
2444
    env->fpuc = fpuc;
2445
    /* XXX: restore FPU round state */
2446
    env->fpstt = (fpus >> 11) & 7;
2447
    env->fpus = fpus & ~0x3800;
2448
    fptag ^= 0xff;
2449
    for(i = 0; i < 8; i++) {
2450
        env->fptags[i] = (fptag >> i) & 1;
2451
    }
2452
    
2453
    for(i = 0; i < 6; i++)
2454
        cpu_get_seg(f, &env->segs[i]);
2455
    cpu_get_seg(f, &env->ldt);
2456
    cpu_get_seg(f, &env->tr);
2457
    cpu_get_seg(f, &env->gdt);
2458
    cpu_get_seg(f, &env->idt);
2459
    
2460
    qemu_get_be32s(f, &env->sysenter_cs);
2461
    qemu_get_be32s(f, &env->sysenter_esp);
2462
    qemu_get_be32s(f, &env->sysenter_eip);
2463
    
2464
    qemu_get_betls(f, &env->cr[0]);
2465
    qemu_get_betls(f, &env->cr[2]);
2466
    qemu_get_betls(f, &env->cr[3]);
2467
    qemu_get_betls(f, &env->cr[4]);
2468
    
2469
    for(i = 0; i < 8; i++)
2470
        qemu_get_betls(f, &env->dr[i]);
2471

    
2472
    /* MMU */
2473
    qemu_get_be32s(f, &env->a20_mask);
2474

    
2475
    qemu_get_be32s(f, &env->mxcsr);
2476
    for(i = 0; i < CPU_NB_REGS; i++) {
2477
        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2478
        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2479
    }
2480

    
2481
#ifdef TARGET_X86_64
2482
    qemu_get_be64s(f, &env->efer);
2483
    qemu_get_be64s(f, &env->star);
2484
    qemu_get_be64s(f, &env->lstar);
2485
    qemu_get_be64s(f, &env->cstar);
2486
    qemu_get_be64s(f, &env->fmask);
2487
    qemu_get_be64s(f, &env->kernelgsbase);
2488
#endif
2489

    
2490
    /* XXX: compute hflags from scratch, except for CPL and IIF */
2491
    env->hflags = hflags;
2492
    tlb_flush(env, 1);
2493
    return 0;
2494
}
2495

    
2496
#elif defined(TARGET_PPC)
2497
void cpu_save(QEMUFile *f, void *opaque)
2498
{
2499
}
2500

    
2501
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2502
{
2503
    return 0;
2504
}
2505

    
2506
#elif defined(TARGET_MIPS)
2507
void cpu_save(QEMUFile *f, void *opaque)
2508
{
2509
}
2510

    
2511
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2512
{
2513
    return 0;
2514
}
2515

    
2516
#elif defined(TARGET_SPARC)
2517
void cpu_save(QEMUFile *f, void *opaque)
2518
{
2519
    CPUState *env = opaque;
2520
    int i;
2521
    uint32_t tmp;
2522

    
2523
    for(i = 0; i < 8; i++)
2524
        qemu_put_betls(f, &env->gregs[i]);
2525
    for(i = 0; i < NWINDOWS * 16; i++)
2526
        qemu_put_betls(f, &env->regbase[i]);
2527

    
2528
    /* FPU */
2529
    for(i = 0; i < TARGET_FPREGS; i++) {
2530
        union {
2531
            TARGET_FPREG_T f;
2532
            target_ulong i;
2533
        } u;
2534
        u.f = env->fpr[i];
2535
        qemu_put_betl(f, u.i);
2536
    }
2537

    
2538
    qemu_put_betls(f, &env->pc);
2539
    qemu_put_betls(f, &env->npc);
2540
    qemu_put_betls(f, &env->y);
2541
    tmp = GET_PSR(env);
2542
    qemu_put_be32(f, tmp);
2543
    qemu_put_betls(f, &env->fsr);
2544
    qemu_put_betls(f, &env->tbr);
2545
#ifndef TARGET_SPARC64
2546
    qemu_put_be32s(f, &env->wim);
2547
    /* MMU */
2548
    for(i = 0; i < 16; i++)
2549
        qemu_put_be32s(f, &env->mmuregs[i]);
2550
#endif
2551
}
2552

    
2553
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2554
{
2555
    CPUState *env = opaque;
2556
    int i;
2557
    uint32_t tmp;
2558

    
2559
    for(i = 0; i < 8; i++)
2560
        qemu_get_betls(f, &env->gregs[i]);
2561
    for(i = 0; i < NWINDOWS * 16; i++)
2562
        qemu_get_betls(f, &env->regbase[i]);
2563

    
2564
    /* FPU */
2565
    for(i = 0; i < TARGET_FPREGS; i++) {
2566
        union {
2567
            TARGET_FPREG_T f;
2568
            target_ulong i;
2569
        } u;
2570
        u.i = qemu_get_betl(f);
2571
        env->fpr[i] = u.f;
2572
    }
2573

    
2574
    qemu_get_betls(f, &env->pc);
2575
    qemu_get_betls(f, &env->npc);
2576
    qemu_get_betls(f, &env->y);
2577
    tmp = qemu_get_be32(f);
2578
    env->cwp = 0; /* needed to ensure that the wrapping registers are
2579
                     correctly updated */
2580
    PUT_PSR(env, tmp);
2581
    qemu_get_betls(f, &env->fsr);
2582
    qemu_get_betls(f, &env->tbr);
2583
#ifndef TARGET_SPARC64
2584
    qemu_get_be32s(f, &env->wim);
2585
    /* MMU */
2586
    for(i = 0; i < 16; i++)
2587
        qemu_get_be32s(f, &env->mmuregs[i]);
2588
#endif
2589
    tlb_flush(env, 1);
2590
    return 0;
2591
}
2592
#else
2593

    
2594
#warning No CPU save/restore functions
2595

    
2596
#endif
2597

    
2598
/***********************************************************/
2599
/* ram save/restore */
2600

    
2601
/* we just avoid storing empty pages */
2602
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2603
{
2604
    int i, v;
2605

    
2606
    v = buf[0];
2607
    for(i = 1; i < len; i++) {
2608
        if (buf[i] != v)
2609
            goto normal_save;
2610
    }
2611
    qemu_put_byte(f, 1);
2612
    qemu_put_byte(f, v);
2613
    return;
2614
 normal_save:
2615
    qemu_put_byte(f, 0); 
2616
    qemu_put_buffer(f, buf, len);
2617
}
2618

    
2619
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2620
{
2621
    int v;
2622

    
2623
    v = qemu_get_byte(f);
2624
    switch(v) {
2625
    case 0:
2626
        if (qemu_get_buffer(f, buf, len) != len)
2627
            return -EIO;
2628
        break;
2629
    case 1:
2630
        v = qemu_get_byte(f);
2631
        memset(buf, v, len);
2632
        break;
2633
    default:
2634
        return -EINVAL;
2635
    }
2636
    return 0;
2637
}
2638

    
2639
static void ram_save(QEMUFile *f, void *opaque)
2640
{
2641
    int i;
2642
    qemu_put_be32(f, phys_ram_size);
2643
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2644
        ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2645
    }
2646
}
2647

    
2648
static int ram_load(QEMUFile *f, void *opaque, int version_id)
2649
{
2650
    int i, ret;
2651

    
2652
    if (version_id != 1)
2653
        return -EINVAL;
2654
    if (qemu_get_be32(f) != phys_ram_size)
2655
        return -EINVAL;
2656
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2657
        ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2658
        if (ret)
2659
            return ret;
2660
    }
2661
    return 0;
2662
}
2663

    
2664
/***********************************************************/
2665
/* machine registration */
2666

    
2667
QEMUMachine *first_machine = NULL;
2668

    
2669
int qemu_register_machine(QEMUMachine *m)
2670
{
2671
    QEMUMachine **pm;
2672
    pm = &first_machine;
2673
    while (*pm != NULL)
2674
        pm = &(*pm)->next;
2675
    m->next = NULL;
2676
    *pm = m;
2677
    return 0;
2678
}
2679

    
2680
QEMUMachine *find_machine(const char *name)
2681
{
2682
    QEMUMachine *m;
2683

    
2684
    for(m = first_machine; m != NULL; m = m->next) {
2685
        if (!strcmp(m->name, name))
2686
            return m;
2687
    }
2688
    return NULL;
2689
}
2690

    
2691
/***********************************************************/
2692
/* main execution loop */
2693

    
2694
void gui_update(void *opaque)
2695
{
2696
    display_state.dpy_refresh(&display_state);
2697
    qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2698
}
2699

    
2700
/* XXX: support several handlers */
2701
VMStopHandler *vm_stop_cb;
2702
VMStopHandler *vm_stop_opaque;
2703

    
2704
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2705
{
2706
    vm_stop_cb = cb;
2707
    vm_stop_opaque = opaque;
2708
    return 0;
2709
}
2710

    
2711
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2712
{
2713
    vm_stop_cb = NULL;
2714
}
2715

    
2716
void vm_start(void)
2717
{
2718
    if (!vm_running) {
2719
        cpu_enable_ticks();
2720
        vm_running = 1;
2721
    }
2722
}
2723

    
2724
void vm_stop(int reason) 
2725
{
2726
    if (vm_running) {
2727
        cpu_disable_ticks();
2728
        vm_running = 0;
2729
        if (reason != 0) {
2730
            if (vm_stop_cb) {
2731
                vm_stop_cb(vm_stop_opaque, reason);
2732
            }
2733
        }
2734
    }
2735
}
2736

    
2737
/* reset/shutdown handler */
2738

    
2739
typedef struct QEMUResetEntry {
2740
    QEMUResetHandler *func;
2741
    void *opaque;
2742
    struct QEMUResetEntry *next;
2743
} QEMUResetEntry;
2744

    
2745
static QEMUResetEntry *first_reset_entry;
2746
static int reset_requested;
2747
static int shutdown_requested;
2748
static int powerdown_requested;
2749

    
2750
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2751
{
2752
    QEMUResetEntry **pre, *re;
2753

    
2754
    pre = &first_reset_entry;
2755
    while (*pre != NULL)
2756
        pre = &(*pre)->next;
2757
    re = qemu_mallocz(sizeof(QEMUResetEntry));
2758
    re->func = func;
2759
    re->opaque = opaque;
2760
    re->next = NULL;
2761
    *pre = re;
2762
}
2763

    
2764
void qemu_system_reset(void)
2765
{
2766
    QEMUResetEntry *re;
2767

    
2768
    /* reset all devices */
2769
    for(re = first_reset_entry; re != NULL; re = re->next) {
2770
        re->func(re->opaque);
2771
    }
2772
}
2773

    
2774
void qemu_system_reset_request(void)
2775
{
2776
    reset_requested = 1;
2777
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2778
}
2779

    
2780
void qemu_system_shutdown_request(void)
2781
{
2782
    shutdown_requested = 1;
2783
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2784
}
2785

    
2786
void qemu_system_powerdown_request(void)
2787
{
2788
    powerdown_requested = 1;
2789
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2790
}
2791

    
2792
static void main_cpu_reset(void *opaque)
2793
{
2794
#if defined(TARGET_I386) || defined(TARGET_SPARC)
2795
    CPUState *env = opaque;
2796
    cpu_reset(env);
2797
#endif
2798
}
2799

    
2800
void main_loop_wait(int timeout)
2801
{
2802
#ifndef _WIN32
2803
    struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2804
    IOHandlerRecord *ioh, *ioh_next;
2805
    uint8_t buf[4096];
2806
    int n, max_size;
2807
#endif
2808
    int ret;
2809

    
2810
#ifdef _WIN32
2811
        if (timeout > 0)
2812
            Sleep(timeout);
2813
#else
2814
        /* poll any events */
2815
        /* XXX: separate device handlers from system ones */
2816
        pf = ufds;
2817
        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2818
            if (!ioh->fd_can_read) {
2819
                max_size = 0;
2820
                pf->fd = ioh->fd;
2821
                pf->events = POLLIN;
2822
                ioh->ufd = pf;
2823
                pf++;
2824
            } else {
2825
                max_size = ioh->fd_can_read(ioh->opaque);
2826
                if (max_size > 0) {
2827
                    if (max_size > sizeof(buf))
2828
                        max_size = sizeof(buf);
2829
                    pf->fd = ioh->fd;
2830
                    pf->events = POLLIN;
2831
                    ioh->ufd = pf;
2832
                    pf++;
2833
                } else {
2834
                    ioh->ufd = NULL;
2835
                }
2836
            }
2837
            ioh->max_size = max_size;
2838
        }
2839
        
2840
        ret = poll(ufds, pf - ufds, timeout);
2841
        if (ret > 0) {
2842
            /* XXX: better handling of removal */
2843
            for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2844
                ioh_next = ioh->next;
2845
                pf = ioh->ufd;
2846
                if (pf) {
2847
                    if (pf->revents & POLLIN) {
2848
                        if (ioh->max_size == 0) {
2849
                            /* just a read event */
2850
                            ioh->fd_read(ioh->opaque, NULL, 0);
2851
                        } else {
2852
                            n = read(ioh->fd, buf, ioh->max_size);
2853
                            if (n >= 0) {
2854
                                ioh->fd_read(ioh->opaque, buf, n);
2855
                            } else if (errno != EAGAIN) {
2856
                                ioh->fd_read(ioh->opaque, NULL, -errno);
2857
                            }
2858
                        }
2859
                    }
2860
                }
2861
            }
2862
        }
2863
#endif /* !defined(_WIN32) */
2864
#if defined(CONFIG_SLIRP)
2865
        /* XXX: merge with poll() */
2866
        if (slirp_inited) {
2867
            fd_set rfds, wfds, xfds;
2868
            int nfds;
2869
            struct timeval tv;
2870

    
2871
            nfds = -1;
2872
            FD_ZERO(&rfds);
2873
            FD_ZERO(&wfds);
2874
            FD_ZERO(&xfds);
2875
            slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2876
            tv.tv_sec = 0;
2877
            tv.tv_usec = 0;
2878
            ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2879
            if (ret >= 0) {
2880
                slirp_select_poll(&rfds, &wfds, &xfds);
2881
            }
2882
        }
2883
#endif
2884

    
2885
        if (vm_running) {
2886
            qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], 
2887
                            qemu_get_clock(vm_clock));
2888
            /* run dma transfers, if any */
2889
            DMA_run();
2890
        }
2891

    
2892
        /* real time timers */
2893
        qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], 
2894
                        qemu_get_clock(rt_clock));
2895
}
2896

    
2897
int main_loop(void)
2898
{
2899
    int ret, timeout;
2900
    CPUState *env = global_env;
2901

    
2902
    for(;;) {
2903
        if (vm_running) {
2904
            ret = cpu_exec(env);
2905
            if (shutdown_requested) {
2906
                ret = EXCP_INTERRUPT;
2907
                break;
2908
            }
2909
            if (reset_requested) {
2910
                reset_requested = 0;
2911
                qemu_system_reset();
2912
                ret = EXCP_INTERRUPT;
2913
            }
2914
            if (powerdown_requested) {
2915
                powerdown_requested = 0;
2916
                qemu_system_powerdown();
2917
                ret = EXCP_INTERRUPT;
2918
            }
2919
            if (ret == EXCP_DEBUG) {
2920
                vm_stop(EXCP_DEBUG);
2921
            }
2922
            /* if hlt instruction, we wait until the next IRQ */
2923
            /* XXX: use timeout computed from timers */
2924
            if (ret == EXCP_HLT)
2925
                timeout = 10;
2926
            else
2927
                timeout = 0;
2928
        } else {
2929
            timeout = 10;
2930
        }
2931
        main_loop_wait(timeout);
2932
    }
2933
    cpu_disable_ticks();
2934
    return ret;
2935
}
2936

    
2937
void help(void)
2938
{
2939
    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
2940
           "usage: %s [options] [disk_image]\n"
2941
           "\n"
2942
           "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2943
           "\n"
2944
           "Standard options:\n"
2945
           "-M machine      select emulated machine (-M ? for list)\n"
2946
           "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n"
2947
           "-hda/-hdb file  use 'file' as IDE hard disk 0/1 image\n"
2948
           "-hdc/-hdd file  use 'file' as IDE hard disk 2/3 image\n"
2949
           "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2950
           "-boot [a|c|d]   boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2951
           "-snapshot       write to temporary files instead of disk image files\n"
2952
           "-m megs         set virtual RAM size to megs MB [default=%d]\n"
2953
           "-nographic      disable graphical output and redirect serial I/Os to console\n"
2954
#ifndef _WIN32
2955
           "-k language     use keyboard layout (for example \"fr\" for French)\n"
2956
#endif
2957
#ifdef HAS_AUDIO
2958
           "-enable-audio   enable audio support, and all the sound cars\n"
2959
           "-audio-help     print list of audio drivers and their options\n"
2960
           "-soundhw c1,... enable audio support\n"
2961
           "                and only specified sound cards (comma separated list)\n"
2962
           "                use -soundhw ? to get the list of supported cards\n"
2963
#endif
2964
           "-localtime      set the real time clock to local time [default=utc]\n"
2965
           "-full-screen    start in full screen\n"
2966
#ifdef TARGET_I386
2967
           "-win2k-hack     use it when installing Windows 2000 to avoid a disk full bug\n"
2968
#endif
2969
           "-usb            enable the USB driver (will be the default soon)\n"
2970
           "-usbdevice name add the host or guest USB device 'name'\n"
2971
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
2972
           "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
2973
#endif
2974
           "\n"
2975
           "Network options:\n"
2976
           "-nics n         simulate 'n' network cards [default=1]\n"
2977
           "-macaddr addr   set the mac address of the first interface\n"
2978
           "-n script       set tap/tun network init script [default=%s]\n"
2979
           "-tun-fd fd      use this fd as already opened tap/tun interface\n"
2980
#ifdef CONFIG_SLIRP
2981
           "-user-net       use user mode network stack [default if no tap/tun script]\n"
2982
           "-tftp prefix    allow tftp access to files starting with prefix [-user-net]\n"
2983
#ifndef _WIN32
2984
           "-smb dir        allow SMB access to files in 'dir' [-user-net]\n"
2985
#endif
2986
           "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2987
           "                redirect TCP or UDP connections from host to guest [-user-net]\n"
2988
#endif
2989
           "-dummy-net      use dummy network stack\n"
2990
           "\n"
2991
           "Linux boot specific:\n"
2992
           "-kernel bzImage use 'bzImage' as kernel image\n"
2993
           "-append cmdline use 'cmdline' as kernel command line\n"
2994
           "-initrd file    use 'file' as initial ram disk\n"
2995
           "\n"
2996
           "Debug/Expert options:\n"
2997
           "-monitor dev    redirect the monitor to char device 'dev'\n"
2998
           "-serial dev     redirect the serial port to char device 'dev'\n"
2999
           "-parallel dev   redirect the parallel port to char device 'dev'\n"
3000
           "-pidfile file   Write PID to 'file'\n"
3001
           "-S              freeze CPU at startup (use 'c' to start execution)\n"
3002
           "-s              wait gdb connection to port %d\n"
3003
           "-p port         change gdb connection port\n"
3004
           "-d item1,...    output log to %s (use -d ? for a list of log items)\n"
3005
           "-hdachs c,h,s[,t]  force hard disk 0 physical geometry and the optional BIOS\n"
3006
           "                translation (t=none or lba) (usually qemu can guess them)\n"
3007
           "-L path         set the directory for the BIOS and VGA BIOS\n"
3008
#ifdef USE_KQEMU
3009
           "-no-kqemu       disable KQEMU kernel module usage\n"
3010
#endif
3011
#ifdef USE_CODE_COPY
3012
           "-no-code-copy   disable code copy acceleration\n"
3013
#endif
3014
#ifdef TARGET_I386
3015
           "-isa            simulate an ISA-only system (default is PCI system)\n"
3016
           "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
3017
           "                (default is CL-GD5446 PCI VGA)\n"
3018
#endif
3019
           "-loadvm file    start right away with a saved state (loadvm in monitor)\n"
3020
           "\n"
3021
           "During emulation, the following keys are useful:\n"
3022
           "ctrl-alt-f      toggle full screen\n"
3023
           "ctrl-alt-n      switch to virtual console 'n'\n"
3024
           "ctrl-alt        toggle mouse and keyboard grab\n"
3025
           "\n"
3026
           "When using -nographic, press 'ctrl-a h' to get some help.\n"
3027
           ,
3028
#ifdef CONFIG_SOFTMMU
3029
           "qemu",
3030
#else
3031
           "qemu-fast",
3032
#endif
3033
           DEFAULT_RAM_SIZE,
3034
           DEFAULT_NETWORK_SCRIPT,
3035
           DEFAULT_GDBSTUB_PORT,
3036
           "/tmp/qemu.log");
3037
#ifndef CONFIG_SOFTMMU
3038
    printf("\n"
3039
           "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
3040
           "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
3041
           "PC emulation.\n");
3042
#endif
3043
    exit(1);
3044
}
3045

    
3046
#define HAS_ARG 0x0001
3047

    
3048
enum {
3049
    QEMU_OPTION_h,
3050

    
3051
    QEMU_OPTION_M,
3052
    QEMU_OPTION_fda,
3053
    QEMU_OPTION_fdb,
3054
    QEMU_OPTION_hda,
3055
    QEMU_OPTION_hdb,
3056
    QEMU_OPTION_hdc,
3057
    QEMU_OPTION_hdd,
3058
    QEMU_OPTION_cdrom,
3059
    QEMU_OPTION_boot,
3060
    QEMU_OPTION_snapshot,
3061
    QEMU_OPTION_m,
3062
    QEMU_OPTION_nographic,
3063
#ifdef HAS_AUDIO
3064
    QEMU_OPTION_enable_audio,
3065
    QEMU_OPTION_audio_help,
3066
    QEMU_OPTION_soundhw,
3067
#endif
3068

    
3069
    QEMU_OPTION_nics,
3070
    QEMU_OPTION_macaddr,
3071
    QEMU_OPTION_n,
3072
    QEMU_OPTION_tun_fd,
3073
    QEMU_OPTION_user_net,
3074
    QEMU_OPTION_tftp,
3075
    QEMU_OPTION_smb,
3076
    QEMU_OPTION_redir,
3077
    QEMU_OPTION_dummy_net,
3078

    
3079
    QEMU_OPTION_kernel,
3080
    QEMU_OPTION_append,
3081
    QEMU_OPTION_initrd,
3082

    
3083
    QEMU_OPTION_S,
3084
    QEMU_OPTION_s,
3085
    QEMU_OPTION_p,
3086
    QEMU_OPTION_d,
3087
    QEMU_OPTION_hdachs,
3088
    QEMU_OPTION_L,
3089
    QEMU_OPTION_no_code_copy,
3090
    QEMU_OPTION_pci,
3091
    QEMU_OPTION_isa,
3092
    QEMU_OPTION_prep,
3093
    QEMU_OPTION_k,
3094
    QEMU_OPTION_localtime,
3095
    QEMU_OPTION_cirrusvga,
3096
    QEMU_OPTION_g,
3097
    QEMU_OPTION_std_vga,
3098
    QEMU_OPTION_monitor,
3099
    QEMU_OPTION_serial,
3100
    QEMU_OPTION_parallel,
3101
    QEMU_OPTION_loadvm,
3102
    QEMU_OPTION_full_screen,
3103
    QEMU_OPTION_pidfile,
3104
    QEMU_OPTION_no_kqemu,
3105
    QEMU_OPTION_win2k_hack,
3106
    QEMU_OPTION_usb,
3107
    QEMU_OPTION_usbdevice,
3108
};
3109

    
3110
typedef struct QEMUOption {
3111
    const char *name;
3112
    int flags;
3113
    int index;
3114
} QEMUOption;
3115

    
3116
const QEMUOption qemu_options[] = {
3117
    { "h", 0, QEMU_OPTION_h },
3118

    
3119
    { "M", HAS_ARG, QEMU_OPTION_M },
3120
    { "fda", HAS_ARG, QEMU_OPTION_fda },
3121
    { "fdb", HAS_ARG, QEMU_OPTION_fdb },
3122
    { "hda", HAS_ARG, QEMU_OPTION_hda },
3123
    { "hdb", HAS_ARG, QEMU_OPTION_hdb },
3124
    { "hdc", HAS_ARG, QEMU_OPTION_hdc },
3125
    { "hdd", HAS_ARG, QEMU_OPTION_hdd },
3126
    { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
3127
    { "boot", HAS_ARG, QEMU_OPTION_boot },
3128
    { "snapshot", 0, QEMU_OPTION_snapshot },
3129
    { "m", HAS_ARG, QEMU_OPTION_m },
3130
    { "nographic", 0, QEMU_OPTION_nographic },
3131
    { "k", HAS_ARG, QEMU_OPTION_k },
3132
#ifdef HAS_AUDIO
3133
    { "enable-audio", 0, QEMU_OPTION_enable_audio },
3134
    { "audio-help", 0, QEMU_OPTION_audio_help },
3135
    { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
3136
#endif
3137

    
3138
    { "nics", HAS_ARG, QEMU_OPTION_nics},
3139
    { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
3140
    { "n", HAS_ARG, QEMU_OPTION_n },
3141
    { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
3142
#ifdef CONFIG_SLIRP
3143
    { "user-net", 0, QEMU_OPTION_user_net },
3144
    { "tftp", HAS_ARG, QEMU_OPTION_tftp },
3145
#ifndef _WIN32
3146
    { "smb", HAS_ARG, QEMU_OPTION_smb },
3147
#endif
3148
    { "redir", HAS_ARG, QEMU_OPTION_redir },
3149
#endif
3150
    { "dummy-net", 0, QEMU_OPTION_dummy_net },
3151

    
3152
    { "kernel", HAS_ARG, QEMU_OPTION_kernel },
3153
    { "append", HAS_ARG, QEMU_OPTION_append },
3154
    { "initrd", HAS_ARG, QEMU_OPTION_initrd },
3155

    
3156
    { "S", 0, QEMU_OPTION_S },
3157
    { "s", 0, QEMU_OPTION_s },
3158
    { "p", HAS_ARG, QEMU_OPTION_p },
3159
    { "d", HAS_ARG, QEMU_OPTION_d },
3160
    { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
3161
    { "L", HAS_ARG, QEMU_OPTION_L },
3162
    { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
3163
#ifdef USE_KQEMU
3164
    { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
3165
#endif
3166
#ifdef TARGET_PPC
3167
    { "prep", 0, QEMU_OPTION_prep },
3168
#endif
3169
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
3170
    { "g", 1, QEMU_OPTION_g },
3171
#endif
3172
    { "localtime", 0, QEMU_OPTION_localtime },
3173
    { "isa", 0, QEMU_OPTION_isa },
3174
    { "std-vga", 0, QEMU_OPTION_std_vga },
3175
    { "monitor", 1, QEMU_OPTION_monitor },
3176
    { "serial", 1, QEMU_OPTION_serial },
3177
    { "parallel", 1, QEMU_OPTION_parallel },
3178
    { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
3179
    { "full-screen", 0, QEMU_OPTION_full_screen },
3180
    { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
3181
    { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
3182
    { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
3183
    
3184
    /* temporary options */
3185
    { "usb", 0, QEMU_OPTION_usb },
3186
    { "pci", 0, QEMU_OPTION_pci },
3187
    { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
3188
    { NULL },
3189
};
3190

    
3191
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3192

    
3193
/* this stack is only used during signal handling */
3194
#define SIGNAL_STACK_SIZE 32768
3195

    
3196
static uint8_t *signal_stack;
3197

    
3198
#endif
3199

    
3200
/* password input */
3201

    
3202
static BlockDriverState *get_bdrv(int index)
3203
{
3204
    BlockDriverState *bs;
3205

    
3206
    if (index < 4) {
3207
        bs = bs_table[index];
3208
    } else if (index < 6) {
3209
        bs = fd_table[index - 4];
3210
    } else {
3211
        bs = NULL;
3212
    }
3213
    return bs;
3214
}
3215

    
3216
static void read_passwords(void)
3217
{
3218
    BlockDriverState *bs;
3219
    int i, j;
3220
    char password[256];
3221

    
3222
    for(i = 0; i < 6; i++) {
3223
        bs = get_bdrv(i);
3224
        if (bs && bdrv_is_encrypted(bs)) {
3225
            term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
3226
            for(j = 0; j < 3; j++) {
3227
                monitor_readline("Password: ", 
3228
                                 1, password, sizeof(password));
3229
                if (bdrv_set_key(bs, password) == 0)
3230
                    break;
3231
                term_printf("invalid password\n");
3232
            }
3233
        }
3234
    }
3235
}
3236

    
3237
/* XXX: currently we cannot use simultaneously different CPUs */
3238
void register_machines(void)
3239
{
3240
#if defined(TARGET_I386)
3241
    qemu_register_machine(&pc_machine);
3242
#elif defined(TARGET_PPC)
3243
    qemu_register_machine(&heathrow_machine);
3244
    qemu_register_machine(&core99_machine);
3245
    qemu_register_machine(&prep_machine);
3246
#elif defined(TARGET_MIPS)
3247
    qemu_register_machine(&mips_machine);
3248
#elif defined(TARGET_SPARC)
3249
#ifdef TARGET_SPARC64
3250
    qemu_register_machine(&sun4u_machine);
3251
#else
3252
    qemu_register_machine(&sun4m_machine);
3253
#endif
3254
#endif
3255
}
3256

    
3257
#ifdef HAS_AUDIO
3258
static void select_soundhw (const char *optarg)
3259
{
3260
    if (*optarg == '?') {
3261
    show_valid_cards:
3262
        printf ("Valid sound card names (comma separated):\n");
3263
        printf ("sb16       Creative Sound Blaster 16\n");
3264
#ifdef CONFIG_ADLIB
3265
#ifdef HAS_YMF262
3266
        printf ("adlib      Yamaha YMF262 (OPL3)\n");
3267
#else
3268
        printf ("adlib      Yamaha YM3812 (OPL2)\n");
3269
#endif
3270
#endif
3271
#ifdef CONFIG_GUS
3272
        printf ("gus        Gravis Ultrasound GF1\n");
3273
#endif
3274
        printf ("es1370     ENSONIQ AudioPCI ES1370\n");
3275
        exit (*optarg != '?');
3276
    }
3277
    else {
3278
        struct {
3279
            char *name;
3280
            int *enabledp;
3281
        } soundhw_tab[] = {
3282
            { "sb16", &sb16_enabled },
3283
#ifdef CONFIG_ADLIB
3284
            { "adlib", &adlib_enabled },
3285
#endif
3286
#ifdef CONFIG_GUS
3287
            { "gus", &gus_enabled },
3288
#endif
3289
            { "es1370", &es1370_enabled },
3290
        };
3291
        size_t tablen, l, i;
3292
        const char *p;
3293
        char *e;
3294
        int bad_card = 0;
3295

    
3296
        p = optarg;
3297
        tablen = sizeof (soundhw_tab) / sizeof (soundhw_tab[0]);
3298

    
3299
        while (*p) {
3300
            e = strchr (p, ',');
3301
            l = !e ? strlen (p) : (size_t) (e - p);
3302
            for (i = 0; i < tablen; ++i) {
3303
                if (!strncmp (soundhw_tab[i].name, p, l)) {
3304
                    audio_enabled = 1;
3305
                    *soundhw_tab[i].enabledp = 1;
3306
                    break;
3307
                }
3308
            }
3309
            if (i == tablen) {
3310
                if (l > 80) {
3311
                    fprintf (stderr,
3312
                             "Unknown sound card name (too big to show)\n");
3313
                }
3314
                else {
3315
                    fprintf (stderr, "Unknown sound card name `%.*s'\n",
3316
                             (int) l, p);
3317
                }
3318
                bad_card = 1;
3319
            }
3320
            p += l + (e != NULL);
3321
        }
3322

    
3323
        if (bad_card)
3324
            goto show_valid_cards;
3325
    }
3326
}
3327
#endif
3328

    
3329
#define NET_IF_TUN   0
3330
#define NET_IF_USER  1
3331
#define NET_IF_DUMMY 2
3332

    
3333
int main(int argc, char **argv)
3334
{
3335
#ifdef CONFIG_GDBSTUB
3336
    int use_gdbstub, gdbstub_port;
3337
#endif
3338
    int i, cdrom_index;
3339
    int snapshot, linux_boot;
3340
    CPUState *env;
3341
    const char *initrd_filename;
3342
    const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
3343
    const char *kernel_filename, *kernel_cmdline;
3344
    DisplayState *ds = &display_state;
3345
    int cyls, heads, secs, translation;
3346
    int start_emulation = 1;
3347
    uint8_t macaddr[6];
3348
    int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
3349
    int optind;
3350
    const char *r, *optarg;
3351
    CharDriverState *monitor_hd;
3352
    char monitor_device[128];
3353
    char serial_devices[MAX_SERIAL_PORTS][128];
3354
    int serial_device_index;
3355
    char parallel_devices[MAX_PARALLEL_PORTS][128];
3356
    int parallel_device_index;
3357
    const char *loadvm = NULL;
3358
    QEMUMachine *machine;
3359
    char usb_devices[MAX_VM_USB_PORTS][128];
3360
    int usb_devices_index;
3361
    
3362
#if !defined(CONFIG_SOFTMMU)
3363
    /* we never want that malloc() uses mmap() */
3364
    mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
3365
#endif
3366
    register_machines();
3367
    machine = first_machine;
3368
    initrd_filename = NULL;
3369
    for(i = 0; i < MAX_FD; i++)
3370
        fd_filename[i] = NULL;
3371
    for(i = 0; i < MAX_DISKS; i++)
3372
        hd_filename[i] = NULL;
3373
    ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3374
    vga_ram_size = VGA_RAM_SIZE;
3375
    bios_size = BIOS_SIZE;
3376
    pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
3377
#ifdef CONFIG_GDBSTUB
3378
    use_gdbstub = 0;
3379
    gdbstub_port = DEFAULT_GDBSTUB_PORT;
3380
#endif
3381
    snapshot = 0;
3382
    nographic = 0;
3383
    kernel_filename = NULL;
3384
    kernel_cmdline = "";
3385
#ifdef TARGET_PPC
3386
    cdrom_index = 1;
3387
#else
3388
    cdrom_index = 2;
3389
#endif
3390
    cyls = heads = secs = 0;
3391
    translation = BIOS_ATA_TRANSLATION_AUTO;
3392
    pstrcpy(monitor_device, sizeof(monitor_device), "vc");
3393

    
3394
    pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
3395
    for(i = 1; i < MAX_SERIAL_PORTS; i++)
3396
        serial_devices[i][0] = '\0';
3397
    serial_device_index = 0;
3398
    
3399
    pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
3400
    for(i = 1; i < MAX_PARALLEL_PORTS; i++)
3401
        parallel_devices[i][0] = '\0';
3402
    parallel_device_index = 0;
3403
    
3404
    usb_devices_index = 0;
3405
    
3406
    nb_tun_fds = 0;
3407
    net_if_type = -1;
3408
    nb_nics = 1;
3409
    /* default mac address of the first network interface */
3410
    macaddr[0] = 0x52;
3411
    macaddr[1] = 0x54;
3412
    macaddr[2] = 0x00;
3413
    macaddr[3] = 0x12;
3414
    macaddr[4] = 0x34;
3415
    macaddr[5] = 0x56;
3416
    
3417
    optind = 1;
3418
    for(;;) {
3419
        if (optind >= argc)
3420
            break;
3421
        r = argv[optind];
3422
        if (r[0] != '-') {
3423
            hd_filename[0] = argv[optind++];
3424
        } else {
3425
            const QEMUOption *popt;
3426

    
3427
            optind++;
3428
            popt = qemu_options;
3429
            for(;;) {
3430
                if (!popt->name) {
3431
                    fprintf(stderr, "%s: invalid option -- '%s'\n", 
3432
                            argv[0], r);
3433
                    exit(1);
3434
                }
3435
                if (!strcmp(popt->name, r + 1))
3436
                    break;
3437
                popt++;
3438
            }
3439
            if (popt->flags & HAS_ARG) {
3440
                if (optind >= argc) {
3441
                    fprintf(stderr, "%s: option '%s' requires an argument\n",
3442
                            argv[0], r);
3443
                    exit(1);
3444
                }
3445
                optarg = argv[optind++];
3446
            } else {
3447
                optarg = NULL;
3448
            }
3449

    
3450
            switch(popt->index) {
3451
            case QEMU_OPTION_M:
3452
                machine = find_machine(optarg);
3453
                if (!machine) {
3454
                    QEMUMachine *m;
3455
                    printf("Supported machines are:\n");
3456
                    for(m = first_machine; m != NULL; m = m->next) {
3457
                        printf("%-10s %s%s\n",
3458
                               m->name, m->desc, 
3459
                               m == first_machine ? " (default)" : "");
3460
                    }
3461
                    exit(1);
3462
                }
3463
                break;
3464
            case QEMU_OPTION_initrd:
3465
                initrd_filename = optarg;
3466
                break;
3467
            case QEMU_OPTION_hda:
3468
            case QEMU_OPTION_hdb:
3469
            case QEMU_OPTION_hdc:
3470
            case QEMU_OPTION_hdd:
3471
                {
3472
                    int hd_index;
3473
                    hd_index = popt->index - QEMU_OPTION_hda;
3474
                    hd_filename[hd_index] = optarg;
3475
                    if (hd_index == cdrom_index)
3476
                        cdrom_index = -1;
3477
                }
3478
                break;
3479
            case QEMU_OPTION_snapshot:
3480
                snapshot = 1;
3481
                break;
3482
            case QEMU_OPTION_hdachs:
3483
                {
3484
                    const char *p;
3485
                    p = optarg;
3486
                    cyls = strtol(p, (char **)&p, 0);
3487
                    if (cyls < 1 || cyls > 16383)
3488
                        goto chs_fail;
3489
                    if (*p != ',')
3490
                        goto chs_fail;
3491
                    p++;
3492
                    heads = strtol(p, (char **)&p, 0);
3493
                    if (heads < 1 || heads > 16)
3494
                        goto chs_fail;
3495
                    if (*p != ',')
3496
                        goto chs_fail;
3497
                    p++;
3498
                    secs = strtol(p, (char **)&p, 0);
3499
                    if (secs < 1 || secs > 63)
3500
                        goto chs_fail;
3501
                    if (*p == ',') {
3502
                        p++;
3503
                        if (!strcmp(p, "none"))
3504
                            translation = BIOS_ATA_TRANSLATION_NONE;
3505
                        else if (!strcmp(p, "lba"))
3506
                            translation = BIOS_ATA_TRANSLATION_LBA;
3507
                        else if (!strcmp(p, "auto"))
3508
                            translation = BIOS_ATA_TRANSLATION_AUTO;
3509
                        else
3510
                            goto chs_fail;
3511
                    } else if (*p != '\0') {
3512
                    chs_fail:
3513
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3514
                        exit(1);
3515
                    }
3516
                }
3517
                break;
3518
            case QEMU_OPTION_nographic:
3519
                pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
3520
                pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
3521
                nographic = 1;
3522
                break;
3523
            case QEMU_OPTION_kernel:
3524
                kernel_filename = optarg;
3525
                break;
3526
            case QEMU_OPTION_append:
3527
                kernel_cmdline = optarg;
3528
                break;
3529
            case QEMU_OPTION_tun_fd:
3530
                {
3531
                    const char *p;
3532
                    int fd;
3533
                    net_if_type = NET_IF_TUN;
3534
                    if (nb_tun_fds < MAX_NICS) {
3535
                        fd = strtol(optarg, (char **)&p, 0);
3536
                        if (*p != '\0') {
3537
                            fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
3538
                            exit(1);
3539
                        }
3540
                        tun_fds[nb_tun_fds++] = fd;
3541
                    }
3542
                }
3543
                break;
3544
            case QEMU_OPTION_cdrom:
3545
                if (cdrom_index >= 0) {
3546
                    hd_filename[cdrom_index] = optarg;
3547
                }
3548
                break;
3549
            case QEMU_OPTION_boot:
3550
                boot_device = optarg[0];
3551
                if (boot_device != 'a' && 
3552
#ifdef TARGET_SPARC
3553
                    // Network boot
3554
                    boot_device != 'n' &&
3555
#endif
3556
                    boot_device != 'c' && boot_device != 'd') {
3557
                    fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
3558
                    exit(1);
3559
                }
3560
                break;
3561
            case QEMU_OPTION_fda:
3562
                fd_filename[0] = optarg;
3563
                break;
3564
            case QEMU_OPTION_fdb:
3565
                fd_filename[1] = optarg;
3566
                break;
3567
            case QEMU_OPTION_no_code_copy:
3568
                code_copy_enabled = 0;
3569
                break;
3570
            case QEMU_OPTION_nics:
3571
                nb_nics = atoi(optarg);
3572
                if (nb_nics < 0 || nb_nics > MAX_NICS) {
3573
                    fprintf(stderr, "qemu: invalid number of network interfaces\n");
3574
                    exit(1);
3575
                }
3576
                break;
3577
            case QEMU_OPTION_macaddr:
3578
                {
3579
                    const char *p;
3580
                    int i;
3581
                    p = optarg;
3582
                    for(i = 0; i < 6; i++) {
3583
                        macaddr[i] = strtol(p, (char **)&p, 16);
3584
                        if (i == 5) {
3585
                            if (*p != '\0') 
3586
                                goto macaddr_error;
3587
                        } else {
3588
                            if (*p != ':') {
3589
                            macaddr_error:
3590
                                fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
3591
                                exit(1);
3592
                            }
3593
                            p++;
3594
                        }
3595
                    }
3596
                }
3597
                break;
3598
#ifdef CONFIG_SLIRP
3599
            case QEMU_OPTION_tftp:
3600
                tftp_prefix = optarg;
3601
                break;
3602
#ifndef _WIN32
3603
            case QEMU_OPTION_smb:
3604
                net_slirp_smb(optarg);
3605
                break;
3606
#endif
3607
            case QEMU_OPTION_user_net:
3608
                net_if_type = NET_IF_USER;
3609
                break;
3610
            case QEMU_OPTION_redir:
3611
                net_slirp_redir(optarg);                
3612
                break;
3613
#endif
3614
            case QEMU_OPTION_dummy_net:
3615
                net_if_type = NET_IF_DUMMY;
3616
                break;
3617
#ifdef HAS_AUDIO
3618
            case QEMU_OPTION_enable_audio:
3619
                audio_enabled = 1;
3620
                sb16_enabled = 1;
3621
                adlib_enabled = 1;
3622
                gus_enabled = 1;
3623
                es1370_enabled = 1;
3624
                break;
3625
            case QEMU_OPTION_audio_help:
3626
                AUD_help ();
3627
                exit (0);
3628
                break;
3629
            case QEMU_OPTION_soundhw:
3630
                select_soundhw (optarg);
3631
                break;
3632
#endif
3633
            case QEMU_OPTION_h:
3634
                help();
3635
                break;
3636
            case QEMU_OPTION_m:
3637
                ram_size = atoi(optarg) * 1024 * 1024;
3638
                if (ram_size <= 0)
3639
                    help();
3640
                if (ram_size > PHYS_RAM_MAX_SIZE) {
3641
                    fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
3642
                            PHYS_RAM_MAX_SIZE / (1024 * 1024));
3643
                    exit(1);
3644
                }
3645
                break;
3646
            case QEMU_OPTION_d:
3647
                {
3648
                    int mask;
3649
                    CPULogItem *item;
3650
                    
3651
                    mask = cpu_str_to_log_mask(optarg);
3652
                    if (!mask) {
3653
                        printf("Log items (comma separated):\n");
3654
                    for(item = cpu_log_items; item->mask != 0; item++) {
3655
                        printf("%-10s %s\n", item->name, item->help);
3656
                    }
3657
                    exit(1);
3658
                    }
3659
                    cpu_set_log(mask);
3660
                }
3661
                break;
3662
            case QEMU_OPTION_n:
3663
                pstrcpy(network_script, sizeof(network_script), optarg);
3664
                break;
3665
#ifdef CONFIG_GDBSTUB
3666
            case QEMU_OPTION_s:
3667
                use_gdbstub = 1;
3668
                break;
3669
            case QEMU_OPTION_p:
3670
                gdbstub_port = atoi(optarg);
3671
                break;
3672
#endif
3673
            case QEMU_OPTION_L:
3674
                bios_dir = optarg;
3675
                break;
3676
            case QEMU_OPTION_S:
3677
                start_emulation = 0;
3678
                break;
3679
            case QEMU_OPTION_pci:
3680
                pci_enabled = 1;
3681
                break;
3682
            case QEMU_OPTION_isa:
3683
                pci_enabled = 0;
3684
                break;
3685
            case QEMU_OPTION_prep:
3686
                prep_enabled = 1;
3687
                break;
3688
            case QEMU_OPTION_k:
3689
                keyboard_layout = optarg;
3690
                break;
3691
            case QEMU_OPTION_localtime:
3692
                rtc_utc = 0;
3693
                break;
3694
            case QEMU_OPTION_cirrusvga:
3695
                cirrus_vga_enabled = 1;
3696
                break;
3697
            case QEMU_OPTION_std_vga:
3698
                cirrus_vga_enabled = 0;
3699
                break;
3700
            case QEMU_OPTION_g:
3701
                {
3702
                    const char *p;
3703
                    int w, h, depth;
3704
                    p = optarg;
3705
                    w = strtol(p, (char **)&p, 10);
3706
                    if (w <= 0) {
3707
                    graphic_error:
3708
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3709
                        exit(1);
3710
                    }
3711
                    if (*p != 'x')
3712
                        goto graphic_error;
3713
                    p++;
3714
                    h = strtol(p, (char **)&p, 10);
3715
                    if (h <= 0)
3716
                        goto graphic_error;
3717
                    if (*p == 'x') {
3718
                        p++;
3719
                        depth = strtol(p, (char **)&p, 10);
3720
                        if (depth != 8 && depth != 15 && depth != 16 && 
3721
                            depth != 24 && depth != 32)
3722
                            goto graphic_error;
3723
                    } else if (*p == '\0') {
3724
                        depth = graphic_depth;
3725
                    } else {
3726
                        goto graphic_error;
3727
                    }
3728
                    
3729
                    graphic_width = w;
3730
                    graphic_height = h;
3731
                    graphic_depth = depth;
3732
                }
3733
                break;
3734
            case QEMU_OPTION_monitor:
3735
                pstrcpy(monitor_device, sizeof(monitor_device), optarg);
3736
                break;
3737
            case QEMU_OPTION_serial:
3738
                if (serial_device_index >= MAX_SERIAL_PORTS) {
3739
                    fprintf(stderr, "qemu: too many serial ports\n");
3740
                    exit(1);
3741
                }
3742
                pstrcpy(serial_devices[serial_device_index], 
3743
                        sizeof(serial_devices[0]), optarg);
3744
                serial_device_index++;
3745
                break;
3746
            case QEMU_OPTION_parallel:
3747
                if (parallel_device_index >= MAX_PARALLEL_PORTS) {
3748
                    fprintf(stderr, "qemu: too many parallel ports\n");
3749
                    exit(1);
3750
                }
3751
                pstrcpy(parallel_devices[parallel_device_index], 
3752
                        sizeof(parallel_devices[0]), optarg);
3753
                parallel_device_index++;
3754
                break;
3755
            case QEMU_OPTION_loadvm:
3756
                loadvm = optarg;
3757
                break;
3758
            case QEMU_OPTION_full_screen:
3759
                full_screen = 1;
3760
                break;
3761
            case QEMU_OPTION_pidfile:
3762
                create_pidfile(optarg);
3763
                break;
3764
#ifdef TARGET_I386
3765
            case QEMU_OPTION_win2k_hack:
3766
                win2k_install_hack = 1;
3767
                break;
3768
#endif
3769
#ifdef USE_KQEMU
3770
            case QEMU_OPTION_no_kqemu:
3771
                kqemu_allowed = 0;
3772
                break;
3773
#endif
3774
            case QEMU_OPTION_usb:
3775
                usb_enabled = 1;
3776
                break;
3777
            case QEMU_OPTION_usbdevice:
3778
                usb_enabled = 1;
3779
                if (usb_devices_index >= MAX_VM_USB_PORTS) {
3780
                    fprintf(stderr, "Too many USB devices\n");
3781
                    exit(1);
3782
                }
3783
                pstrcpy(usb_devices[usb_devices_index],
3784
                        sizeof(usb_devices[usb_devices_index]),
3785
                        optarg);
3786
                usb_devices_index++;
3787
                break;
3788
            }
3789
        }
3790
    }
3791

    
3792
    linux_boot = (kernel_filename != NULL);
3793
        
3794
    if (!linux_boot && 
3795
        hd_filename[0] == '\0' && 
3796
        (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
3797
        fd_filename[0] == '\0')
3798
        help();
3799
    
3800
    /* boot to cd by default if no hard disk */
3801
    if (hd_filename[0] == '\0' && boot_device == 'c') {
3802
        if (fd_filename[0] != '\0')
3803
            boot_device = 'a';
3804
        else
3805
            boot_device = 'd';
3806
    }
3807

    
3808
#if !defined(CONFIG_SOFTMMU)
3809
    /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3810
    {
3811
        static uint8_t stdout_buf[4096];
3812
        setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
3813
    }
3814
#else
3815
    setvbuf(stdout, NULL, _IOLBF, 0);
3816
#endif
3817

    
3818
    /* init host network redirectors */
3819
    if (net_if_type == -1) {
3820
        net_if_type = NET_IF_TUN;
3821
#if defined(CONFIG_SLIRP)
3822
        if (access(network_script, R_OK) < 0) {
3823
            net_if_type = NET_IF_USER;
3824
        }
3825
#endif
3826
    }
3827

    
3828
    for(i = 0; i < nb_nics; i++) {
3829
        NetDriverState *nd = &nd_table[i];
3830
        nd->index = i;
3831
        /* init virtual mac address */
3832
        nd->macaddr[0] = macaddr[0];
3833
        nd->macaddr[1] = macaddr[1];
3834
        nd->macaddr[2] = macaddr[2];
3835
        nd->macaddr[3] = macaddr[3];
3836
        nd->macaddr[4] = macaddr[4];
3837
        nd->macaddr[5] = macaddr[5] + i;
3838
        switch(net_if_type) {
3839
#if defined(CONFIG_SLIRP)
3840
        case NET_IF_USER:
3841
            net_slirp_init(nd);
3842
            break;
3843
#endif
3844
#if !defined(_WIN32)
3845
        case NET_IF_TUN:
3846
            if (i < nb_tun_fds) {
3847
                net_fd_init(nd, tun_fds[i]);
3848
            } else {
3849
                if (net_tun_init(nd) < 0)
3850
                    net_dummy_init(nd);
3851
            }
3852
            break;
3853
#endif
3854
        case NET_IF_DUMMY:
3855
        default:
3856
            net_dummy_init(nd);
3857
            break;
3858
        }
3859
    }
3860

    
3861
    /* init the memory */
3862
    phys_ram_size = ram_size + vga_ram_size + bios_size;
3863

    
3864
#ifdef CONFIG_SOFTMMU
3865
    phys_ram_base = qemu_vmalloc(phys_ram_size);
3866
    if (!phys_ram_base) {
3867
        fprintf(stderr, "Could not allocate physical memory\n");
3868
        exit(1);
3869
    }
3870
#else
3871
    /* as we must map the same page at several addresses, we must use
3872
       a fd */
3873
    {
3874
        const char *tmpdir;
3875

    
3876
        tmpdir = getenv("QEMU_TMPDIR");
3877
        if (!tmpdir)
3878
            tmpdir = "/tmp";
3879
        snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3880
        if (mkstemp(phys_ram_file) < 0) {
3881
            fprintf(stderr, "Could not create temporary memory file '%s'\n", 
3882
                    phys_ram_file);
3883
            exit(1);
3884
        }
3885
        phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3886
        if (phys_ram_fd < 0) {
3887
            fprintf(stderr, "Could not open temporary memory file '%s'\n", 
3888
                    phys_ram_file);
3889
            exit(1);
3890
        }
3891
        ftruncate(phys_ram_fd, phys_ram_size);
3892
        unlink(phys_ram_file);
3893
        phys_ram_base = mmap(get_mmap_addr(phys_ram_size), 
3894
                             phys_ram_size, 
3895
                             PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, 
3896
                             phys_ram_fd, 0);
3897
        if (phys_ram_base == MAP_FAILED) {
3898
            fprintf(stderr, "Could not map physical memory\n");
3899
            exit(1);
3900
        }
3901
    }
3902
#endif
3903

    
3904
    /* we always create the cdrom drive, even if no disk is there */
3905
    bdrv_init();
3906
    if (cdrom_index >= 0) {
3907
        bs_table[cdrom_index] = bdrv_new("cdrom");
3908
        bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
3909
    }
3910

    
3911
    /* open the virtual block devices */
3912
    for(i = 0; i < MAX_DISKS; i++) {
3913
        if (hd_filename[i]) {
3914
            if (!bs_table[i]) {
3915
                char buf[64];
3916
                snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3917
                bs_table[i] = bdrv_new(buf);
3918
            }
3919
            if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3920
                fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3921
                        hd_filename[i]);
3922
                exit(1);
3923
            }
3924
            if (i == 0 && cyls != 0) {
3925
                bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3926
                bdrv_set_translation_hint(bs_table[i], translation);
3927
            }
3928
        }
3929
    }
3930

    
3931
    /* we always create at least one floppy disk */
3932
    fd_table[0] = bdrv_new("fda");
3933
    bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3934

    
3935
    for(i = 0; i < MAX_FD; i++) {
3936
        if (fd_filename[i]) {
3937
            if (!fd_table[i]) {
3938
                char buf[64];
3939
                snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3940
                fd_table[i] = bdrv_new(buf);
3941
                bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3942
            }
3943
            if (fd_filename[i] != '\0') {
3944
                if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3945
                    fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3946
                            fd_filename[i]);
3947
                    exit(1);
3948
                }
3949
            }
3950
        }
3951
    }
3952

    
3953
    /* init USB devices */
3954
    if (usb_enabled) {
3955
        vm_usb_hub = usb_hub_init(vm_usb_ports, MAX_VM_USB_PORTS);
3956
        for(i = 0; i < usb_devices_index; i++) {
3957
            if (usb_device_add(usb_devices[i]) < 0) {
3958
                fprintf(stderr, "Warning: could not add USB device %s\n",
3959
                        usb_devices[i]);
3960
            }
3961
        }
3962
    }
3963

    
3964
    /* init CPU state */
3965
    env = cpu_init();
3966
    global_env = env;
3967
    cpu_single_env = env;
3968

    
3969
    register_savevm("timer", 0, 1, timer_save, timer_load, env);
3970
    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
3971
    register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3972
    qemu_register_reset(main_cpu_reset, global_env);
3973

    
3974
    init_ioports();
3975
    cpu_calibrate_ticks();
3976

    
3977
    /* terminal init */
3978
    if (nographic) {
3979
        dumb_display_init(ds);
3980
    } else {
3981
#if defined(CONFIG_SDL)
3982
        sdl_display_init(ds, full_screen);
3983
#elif defined(CONFIG_COCOA)
3984
        cocoa_display_init(ds, full_screen);
3985
#else
3986
        dumb_display_init(ds);
3987
#endif
3988
    }
3989

    
3990
    vga_console = graphic_console_init(ds);
3991
    
3992
    monitor_hd = qemu_chr_open(monitor_device);
3993
    if (!monitor_hd) {
3994
        fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3995
        exit(1);
3996
    }
3997
    monitor_init(monitor_hd, !nographic);
3998

    
3999
    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
4000
        if (serial_devices[i][0] != '\0') {
4001
            serial_hds[i] = qemu_chr_open(serial_devices[i]);
4002
            if (!serial_hds[i]) {
4003
                fprintf(stderr, "qemu: could not open serial device '%s'\n", 
4004
                        serial_devices[i]);
4005
                exit(1);
4006
            }
4007
            if (!strcmp(serial_devices[i], "vc"))
4008
                qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
4009
        }
4010
    }
4011

    
4012
    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
4013
        if (parallel_devices[i][0] != '\0') {
4014
            parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
4015
            if (!parallel_hds[i]) {
4016
                fprintf(stderr, "qemu: could not open parallel device '%s'\n", 
4017
                        parallel_devices[i]);
4018
                exit(1);
4019
            }
4020
            if (!strcmp(parallel_devices[i], "vc"))
4021
                qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
4022
        }
4023
    }
4024

    
4025
    /* setup cpu signal handlers for MMU / self modifying code handling */
4026
#if !defined(CONFIG_SOFTMMU)
4027
    
4028
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
4029
    {
4030
        stack_t stk;
4031
        signal_stack = memalign(16, SIGNAL_STACK_SIZE);
4032
        stk.ss_sp = signal_stack;
4033
        stk.ss_size = SIGNAL_STACK_SIZE;
4034
        stk.ss_flags = 0;
4035

    
4036
        if (sigaltstack(&stk, NULL) < 0) {
4037
            perror("sigaltstack");
4038
            exit(1);
4039
        }
4040
    }
4041
#endif
4042
    {
4043
        struct sigaction act;
4044
        
4045
        sigfillset(&act.sa_mask);
4046
        act.sa_flags = SA_SIGINFO;
4047
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
4048
        act.sa_flags |= SA_ONSTACK;
4049
#endif
4050
        act.sa_sigaction = host_segv_handler;
4051
        sigaction(SIGSEGV, &act, NULL);
4052
        sigaction(SIGBUS, &act, NULL);
4053
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
4054
        sigaction(SIGFPE, &act, NULL);
4055
#endif
4056
    }
4057
#endif
4058

    
4059
#ifndef _WIN32
4060
    {
4061
        struct sigaction act;
4062
        sigfillset(&act.sa_mask);
4063
        act.sa_flags = 0;
4064
        act.sa_handler = SIG_IGN;
4065
        sigaction(SIGPIPE, &act, NULL);
4066
    }
4067
#endif
4068
    init_timers();
4069

    
4070
    machine->init(ram_size, vga_ram_size, boot_device,
4071
                  ds, fd_filename, snapshot,
4072
                  kernel_filename, kernel_cmdline, initrd_filename);
4073

    
4074
    gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
4075
    qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
4076

    
4077
#ifdef CONFIG_GDBSTUB
4078
    if (use_gdbstub) {
4079
        if (gdbserver_start(gdbstub_port) < 0) {
4080
            fprintf(stderr, "Could not open gdbserver socket on port %d\n", 
4081
                    gdbstub_port);
4082
            exit(1);
4083
        } else {
4084
            printf("Waiting gdb connection on port %d\n", gdbstub_port);
4085
        }
4086
    } else 
4087
#endif
4088
    if (loadvm)
4089
        qemu_loadvm(loadvm);
4090

    
4091
    {
4092
        /* XXX: simplify init */
4093
        read_passwords();
4094
        if (start_emulation) {
4095
            vm_start();
4096
        }
4097
    }
4098
    main_loop();
4099
    quit_timers();
4100
    return 0;
4101
}