Statistics
| Branch: | Revision:

root / vl.c @ c0fe3827

History | View | Annotate | Download (103.3 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

    
158
/***********************************************************/
159
/* x86 ISA bus support */
160

    
161
target_phys_addr_t isa_mem_base = 0;
162
PicState2 *isa_pic;
163

    
164
uint32_t default_ioport_readb(void *opaque, uint32_t address)
165
{
166
#ifdef DEBUG_UNUSED_IOPORT
167
    fprintf(stderr, "inb: port=0x%04x\n", address);
168
#endif
169
    return 0xff;
170
}
171

    
172
void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
173
{
174
#ifdef DEBUG_UNUSED_IOPORT
175
    fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
176
#endif
177
}
178

    
179
/* default is to make two byte accesses */
180
uint32_t default_ioport_readw(void *opaque, uint32_t address)
181
{
182
    uint32_t data;
183
    data = ioport_read_table[0][address](ioport_opaque[address], address);
184
    address = (address + 1) & (MAX_IOPORTS - 1);
185
    data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
186
    return data;
187
}
188

    
189
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
190
{
191
    ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
192
    address = (address + 1) & (MAX_IOPORTS - 1);
193
    ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
194
}
195

    
196
uint32_t default_ioport_readl(void *opaque, uint32_t address)
197
{
198
#ifdef DEBUG_UNUSED_IOPORT
199
    fprintf(stderr, "inl: port=0x%04x\n", address);
200
#endif
201
    return 0xffffffff;
202
}
203

    
204
void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
205
{
206
#ifdef DEBUG_UNUSED_IOPORT
207
    fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
208
#endif
209
}
210

    
211
void init_ioports(void)
212
{
213
    int i;
214

    
215
    for(i = 0; i < MAX_IOPORTS; i++) {
216
        ioport_read_table[0][i] = default_ioport_readb;
217
        ioport_write_table[0][i] = default_ioport_writeb;
218
        ioport_read_table[1][i] = default_ioport_readw;
219
        ioport_write_table[1][i] = default_ioport_writew;
220
        ioport_read_table[2][i] = default_ioport_readl;
221
        ioport_write_table[2][i] = default_ioport_writel;
222
    }
223
}
224

    
225
/* size is the word size in byte */
226
int register_ioport_read(int start, int length, int size, 
227
                         IOPortReadFunc *func, void *opaque)
228
{
229
    int i, bsize;
230

    
231
    if (size == 1) {
232
        bsize = 0;
233
    } else if (size == 2) {
234
        bsize = 1;
235
    } else if (size == 4) {
236
        bsize = 2;
237
    } else {
238
        hw_error("register_ioport_read: invalid size");
239
        return -1;
240
    }
241
    for(i = start; i < start + length; i += size) {
242
        ioport_read_table[bsize][i] = func;
243
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
244
            hw_error("register_ioport_read: invalid opaque");
245
        ioport_opaque[i] = opaque;
246
    }
247
    return 0;
248
}
249

    
250
/* size is the word size in byte */
251
int register_ioport_write(int start, int length, int size, 
252
                          IOPortWriteFunc *func, void *opaque)
253
{
254
    int i, bsize;
255

    
256
    if (size == 1) {
257
        bsize = 0;
258
    } else if (size == 2) {
259
        bsize = 1;
260
    } else if (size == 4) {
261
        bsize = 2;
262
    } else {
263
        hw_error("register_ioport_write: invalid size");
264
        return -1;
265
    }
266
    for(i = start; i < start + length; i += size) {
267
        ioport_write_table[bsize][i] = func;
268
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
269
            hw_error("register_ioport_read: invalid opaque");
270
        ioport_opaque[i] = opaque;
271
    }
272
    return 0;
273
}
274

    
275
void isa_unassign_ioport(int start, int length)
276
{
277
    int i;
278

    
279
    for(i = start; i < start + length; i++) {
280
        ioport_read_table[0][i] = default_ioport_readb;
281
        ioport_read_table[1][i] = default_ioport_readw;
282
        ioport_read_table[2][i] = default_ioport_readl;
283

    
284
        ioport_write_table[0][i] = default_ioport_writeb;
285
        ioport_write_table[1][i] = default_ioport_writew;
286
        ioport_write_table[2][i] = default_ioport_writel;
287
    }
288
}
289

    
290
/***********************************************************/
291

    
292
void pstrcpy(char *buf, int buf_size, const char *str)
293
{
294
    int c;
295
    char *q = buf;
296

    
297
    if (buf_size <= 0)
298
        return;
299

    
300
    for(;;) {
301
        c = *str++;
302
        if (c == 0 || q >= buf + buf_size - 1)
303
            break;
304
        *q++ = c;
305
    }
306
    *q = '\0';
307
}
308

    
309
/* strcat and truncate. */
310
char *pstrcat(char *buf, int buf_size, const char *s)
311
{
312
    int len;
313
    len = strlen(buf);
314
    if (len < buf_size) 
315
        pstrcpy(buf + len, buf_size - len, s);
316
    return buf;
317
}
318

    
319
int strstart(const char *str, const char *val, const char **ptr)
320
{
321
    const char *p, *q;
322
    p = str;
323
    q = val;
324
    while (*q != '\0') {
325
        if (*p != *q)
326
            return 0;
327
        p++;
328
        q++;
329
    }
330
    if (ptr)
331
        *ptr = p;
332
    return 1;
333
}
334

    
335
/* return the size or -1 if error */
336
int get_image_size(const char *filename)
337
{
338
    int fd, size;
339
    fd = open(filename, O_RDONLY | O_BINARY);
340
    if (fd < 0)
341
        return -1;
342
    size = lseek(fd, 0, SEEK_END);
343
    close(fd);
344
    return size;
345
}
346

    
347
/* return the size or -1 if error */
348
int load_image(const char *filename, uint8_t *addr)
349
{
350
    int fd, size;
351
    fd = open(filename, O_RDONLY | O_BINARY);
352
    if (fd < 0)
353
        return -1;
354
    size = lseek(fd, 0, SEEK_END);
355
    lseek(fd, 0, SEEK_SET);
356
    if (read(fd, addr, size) != size) {
357
        close(fd);
358
        return -1;
359
    }
360
    close(fd);
361
    return size;
362
}
363

    
364
void cpu_outb(CPUState *env, int addr, int val)
365
{
366
#ifdef DEBUG_IOPORT
367
    if (loglevel & CPU_LOG_IOPORT)
368
        fprintf(logfile, "outb: %04x %02x\n", addr, val);
369
#endif    
370
    ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
371
}
372

    
373
void cpu_outw(CPUState *env, int addr, int val)
374
{
375
#ifdef DEBUG_IOPORT
376
    if (loglevel & CPU_LOG_IOPORT)
377
        fprintf(logfile, "outw: %04x %04x\n", addr, val);
378
#endif    
379
    ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
380
}
381

    
382
void cpu_outl(CPUState *env, int addr, int val)
383
{
384
#ifdef DEBUG_IOPORT
385
    if (loglevel & CPU_LOG_IOPORT)
386
        fprintf(logfile, "outl: %04x %08x\n", addr, val);
387
#endif
388
    ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
389
}
390

    
391
int cpu_inb(CPUState *env, int addr)
392
{
393
    int val;
394
    val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
395
#ifdef DEBUG_IOPORT
396
    if (loglevel & CPU_LOG_IOPORT)
397
        fprintf(logfile, "inb : %04x %02x\n", addr, val);
398
#endif
399
    return val;
400
}
401

    
402
int cpu_inw(CPUState *env, int addr)
403
{
404
    int val;
405
    val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
406
#ifdef DEBUG_IOPORT
407
    if (loglevel & CPU_LOG_IOPORT)
408
        fprintf(logfile, "inw : %04x %04x\n", addr, val);
409
#endif
410
    return val;
411
}
412

    
413
int cpu_inl(CPUState *env, int addr)
414
{
415
    int val;
416
    val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
417
#ifdef DEBUG_IOPORT
418
    if (loglevel & CPU_LOG_IOPORT)
419
        fprintf(logfile, "inl : %04x %08x\n", addr, val);
420
#endif
421
    return val;
422
}
423

    
424
/***********************************************************/
425
void hw_error(const char *fmt, ...)
426
{
427
    va_list ap;
428

    
429
    va_start(ap, fmt);
430
    fprintf(stderr, "qemu: hardware error: ");
431
    vfprintf(stderr, fmt, ap);
432
    fprintf(stderr, "\n");
433
#ifdef TARGET_I386
434
    cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
435
#else
436
    cpu_dump_state(global_env, stderr, fprintf, 0);
437
#endif
438
    va_end(ap);
439
    abort();
440
}
441

    
442
/***********************************************************/
443
/* keyboard/mouse */
444

    
445
static QEMUPutKBDEvent *qemu_put_kbd_event;
446
static void *qemu_put_kbd_event_opaque;
447
static QEMUPutMouseEvent *qemu_put_mouse_event;
448
static void *qemu_put_mouse_event_opaque;
449

    
450
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
451
{
452
    qemu_put_kbd_event_opaque = opaque;
453
    qemu_put_kbd_event = func;
454
}
455

    
456
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
457
{
458
    qemu_put_mouse_event_opaque = opaque;
459
    qemu_put_mouse_event = func;
460
}
461

    
462
void kbd_put_keycode(int keycode)
463
{
464
    if (qemu_put_kbd_event) {
465
        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
466
    }
467
}
468

    
469
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
470
{
471
    if (qemu_put_mouse_event) {
472
        qemu_put_mouse_event(qemu_put_mouse_event_opaque, 
473
                             dx, dy, dz, buttons_state);
474
    }
475
}
476

    
477
/***********************************************************/
478
/* timers */
479

    
480
#if defined(__powerpc__)
481

    
482
static inline uint32_t get_tbl(void) 
483
{
484
    uint32_t tbl;
485
    asm volatile("mftb %0" : "=r" (tbl));
486
    return tbl;
487
}
488

    
489
static inline uint32_t get_tbu(void) 
490
{
491
        uint32_t tbl;
492
        asm volatile("mftbu %0" : "=r" (tbl));
493
        return tbl;
494
}
495

    
496
int64_t cpu_get_real_ticks(void)
497
{
498
    uint32_t l, h, h1;
499
    /* NOTE: we test if wrapping has occurred */
500
    do {
501
        h = get_tbu();
502
        l = get_tbl();
503
        h1 = get_tbu();
504
    } while (h != h1);
505
    return ((int64_t)h << 32) | l;
506
}
507

    
508
#elif defined(__i386__)
509

    
510
int64_t cpu_get_real_ticks(void)
511
{
512
    int64_t val;
513
    asm volatile ("rdtsc" : "=A" (val));
514
    return val;
515
}
516

    
517
#elif defined(__x86_64__)
518

    
519
int64_t cpu_get_real_ticks(void)
520
{
521
    uint32_t low,high;
522
    int64_t val;
523
    asm volatile("rdtsc" : "=a" (low), "=d" (high));
524
    val = high;
525
    val <<= 32;
526
    val |= low;
527
    return val;
528
}
529

    
530
#elif defined(__ia64)
531

    
532
int64_t cpu_get_real_ticks(void)
533
{
534
        int64_t val;
535
        asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
536
        return val;
537
}
538

    
539
#elif defined(__s390__)
540

    
541
int64_t cpu_get_real_ticks(void)
542
{
543
    int64_t val;
544
    asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
545
    return val;
546
}
547

    
548
#else
549
#error unsupported CPU
550
#endif
551

    
552
static int64_t cpu_ticks_offset;
553
static int cpu_ticks_enabled;
554

    
555
static inline int64_t cpu_get_ticks(void)
556
{
557
    if (!cpu_ticks_enabled) {
558
        return cpu_ticks_offset;
559
    } else {
560
        return cpu_get_real_ticks() + cpu_ticks_offset;
561
    }
562
}
563

    
564
/* enable cpu_get_ticks() */
565
void cpu_enable_ticks(void)
566
{
567
    if (!cpu_ticks_enabled) {
568
        cpu_ticks_offset -= cpu_get_real_ticks();
569
        cpu_ticks_enabled = 1;
570
    }
571
}
572

    
573
/* disable cpu_get_ticks() : the clock is stopped. You must not call
574
   cpu_get_ticks() after that.  */
575
void cpu_disable_ticks(void)
576
{
577
    if (cpu_ticks_enabled) {
578
        cpu_ticks_offset = cpu_get_ticks();
579
        cpu_ticks_enabled = 0;
580
    }
581
}
582

    
583
static int64_t get_clock(void)
584
{
585
#ifdef _WIN32
586
    struct _timeb tb;
587
    _ftime(&tb);
588
    return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
589
#else
590
    struct timeval tv;
591
    gettimeofday(&tv, NULL);
592
    return tv.tv_sec * 1000000LL + tv.tv_usec;
593
#endif
594
}
595

    
596
void cpu_calibrate_ticks(void)
597
{
598
    int64_t usec, ticks;
599

    
600
    usec = get_clock();
601
    ticks = cpu_get_real_ticks();
602
#ifdef _WIN32
603
    Sleep(50);
604
#else
605
    usleep(50 * 1000);
606
#endif
607
    usec = get_clock() - usec;
608
    ticks = cpu_get_real_ticks() - ticks;
609
    ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
610
}
611

    
612
/* compute with 96 bit intermediate result: (a*b)/c */
613
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
614
{
615
    union {
616
        uint64_t ll;
617
        struct {
618
#ifdef WORDS_BIGENDIAN
619
            uint32_t high, low;
620
#else
621
            uint32_t low, high;
622
#endif            
623
        } l;
624
    } u, res;
625
    uint64_t rl, rh;
626

    
627
    u.ll = a;
628
    rl = (uint64_t)u.l.low * (uint64_t)b;
629
    rh = (uint64_t)u.l.high * (uint64_t)b;
630
    rh += (rl >> 32);
631
    res.l.high = rh / c;
632
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
633
    return res.ll;
634
}
635

    
636
#define QEMU_TIMER_REALTIME 0
637
#define QEMU_TIMER_VIRTUAL  1
638

    
639
struct QEMUClock {
640
    int type;
641
    /* XXX: add frequency */
642
};
643

    
644
struct QEMUTimer {
645
    QEMUClock *clock;
646
    int64_t expire_time;
647
    QEMUTimerCB *cb;
648
    void *opaque;
649
    struct QEMUTimer *next;
650
};
651

    
652
QEMUClock *rt_clock;
653
QEMUClock *vm_clock;
654

    
655
static QEMUTimer *active_timers[2];
656
#ifdef _WIN32
657
static MMRESULT timerID;
658
#else
659
/* frequency of the times() clock tick */
660
static int timer_freq;
661
#endif
662

    
663
QEMUClock *qemu_new_clock(int type)
664
{
665
    QEMUClock *clock;
666
    clock = qemu_mallocz(sizeof(QEMUClock));
667
    if (!clock)
668
        return NULL;
669
    clock->type = type;
670
    return clock;
671
}
672

    
673
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
674
{
675
    QEMUTimer *ts;
676

    
677
    ts = qemu_mallocz(sizeof(QEMUTimer));
678
    ts->clock = clock;
679
    ts->cb = cb;
680
    ts->opaque = opaque;
681
    return ts;
682
}
683

    
684
void qemu_free_timer(QEMUTimer *ts)
685
{
686
    qemu_free(ts);
687
}
688

    
689
/* stop a timer, but do not dealloc it */
690
void qemu_del_timer(QEMUTimer *ts)
691
{
692
    QEMUTimer **pt, *t;
693

    
694
    /* NOTE: this code must be signal safe because
695
       qemu_timer_expired() can be called from a signal. */
696
    pt = &active_timers[ts->clock->type];
697
    for(;;) {
698
        t = *pt;
699
        if (!t)
700
            break;
701
        if (t == ts) {
702
            *pt = t->next;
703
            break;
704
        }
705
        pt = &t->next;
706
    }
707
}
708

    
709
/* modify the current timer so that it will be fired when current_time
710
   >= expire_time. The corresponding callback will be called. */
711
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
712
{
713
    QEMUTimer **pt, *t;
714

    
715
    qemu_del_timer(ts);
716

    
717
    /* add the timer in the sorted list */
718
    /* NOTE: this code must be signal safe because
719
       qemu_timer_expired() can be called from a signal. */
720
    pt = &active_timers[ts->clock->type];
721
    for(;;) {
722
        t = *pt;
723
        if (!t)
724
            break;
725
        if (t->expire_time > expire_time) 
726
            break;
727
        pt = &t->next;
728
    }
729
    ts->expire_time = expire_time;
730
    ts->next = *pt;
731
    *pt = ts;
732
}
733

    
734
int qemu_timer_pending(QEMUTimer *ts)
735
{
736
    QEMUTimer *t;
737
    for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
738
        if (t == ts)
739
            return 1;
740
    }
741
    return 0;
742
}
743

    
744
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
745
{
746
    if (!timer_head)
747
        return 0;
748
    return (timer_head->expire_time <= current_time);
749
}
750

    
751
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
752
{
753
    QEMUTimer *ts;
754
    
755
    for(;;) {
756
        ts = *ptimer_head;
757
        if (!ts || ts->expire_time > current_time)
758
            break;
759
        /* remove timer from the list before calling the callback */
760
        *ptimer_head = ts->next;
761
        ts->next = NULL;
762
        
763
        /* run the callback (the timer list can be modified) */
764
        ts->cb(ts->opaque);
765
    }
766
}
767

    
768
int64_t qemu_get_clock(QEMUClock *clock)
769
{
770
    switch(clock->type) {
771
    case QEMU_TIMER_REALTIME:
772
#ifdef _WIN32
773
        return GetTickCount();
774
#else
775
        {
776
            struct tms tp;
777

    
778
            /* Note that using gettimeofday() is not a good solution
779
               for timers because its value change when the date is
780
               modified. */
781
            if (timer_freq == 100) {
782
                return times(&tp) * 10;
783
            } else {
784
                return ((int64_t)times(&tp) * 1000) / timer_freq;
785
            }
786
        }
787
#endif
788
    default:
789
    case QEMU_TIMER_VIRTUAL:
790
        return cpu_get_ticks();
791
    }
792
}
793

    
794
/* save a timer */
795
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
796
{
797
    uint64_t expire_time;
798

    
799
    if (qemu_timer_pending(ts)) {
800
        expire_time = ts->expire_time;
801
    } else {
802
        expire_time = -1;
803
    }
804
    qemu_put_be64(f, expire_time);
805
}
806

    
807
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
808
{
809
    uint64_t expire_time;
810

    
811
    expire_time = qemu_get_be64(f);
812
    if (expire_time != -1) {
813
        qemu_mod_timer(ts, expire_time);
814
    } else {
815
        qemu_del_timer(ts);
816
    }
817
}
818

    
819
static void timer_save(QEMUFile *f, void *opaque)
820
{
821
    if (cpu_ticks_enabled) {
822
        hw_error("cannot save state if virtual timers are running");
823
    }
824
    qemu_put_be64s(f, &cpu_ticks_offset);
825
    qemu_put_be64s(f, &ticks_per_sec);
826
}
827

    
828
static int timer_load(QEMUFile *f, void *opaque, int version_id)
829
{
830
    if (version_id != 1)
831
        return -EINVAL;
832
    if (cpu_ticks_enabled) {
833
        return -EINVAL;
834
    }
835
    qemu_get_be64s(f, &cpu_ticks_offset);
836
    qemu_get_be64s(f, &ticks_per_sec);
837
    return 0;
838
}
839

    
840
#ifdef _WIN32
841
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, 
842
                                 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
843
#else
844
static void host_alarm_handler(int host_signum)
845
#endif
846
{
847
#if 0
848
#define DISP_FREQ 1000
849
    {
850
        static int64_t delta_min = INT64_MAX;
851
        static int64_t delta_max, delta_cum, last_clock, delta, ti;
852
        static int count;
853
        ti = qemu_get_clock(vm_clock);
854
        if (last_clock != 0) {
855
            delta = ti - last_clock;
856
            if (delta < delta_min)
857
                delta_min = delta;
858
            if (delta > delta_max)
859
                delta_max = delta;
860
            delta_cum += delta;
861
            if (++count == DISP_FREQ) {
862
                printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
863
                       muldiv64(delta_min, 1000000, ticks_per_sec),
864
                       muldiv64(delta_max, 1000000, ticks_per_sec),
865
                       muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
866
                       (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
867
                count = 0;
868
                delta_min = INT64_MAX;
869
                delta_max = 0;
870
                delta_cum = 0;
871
            }
872
        }
873
        last_clock = ti;
874
    }
875
#endif
876
    if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
877
                           qemu_get_clock(vm_clock)) ||
878
        qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
879
                           qemu_get_clock(rt_clock))) {
880
        /* stop the cpu because a timer occured */
881
        cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
882
#ifdef USE_KQEMU
883
        if (global_env->kqemu_enabled) {
884
            kqemu_cpu_interrupt(global_env);
885
        }
886
#endif
887
    }
888
}
889

    
890
#ifndef _WIN32
891

    
892
#if defined(__linux__)
893

    
894
#define RTC_FREQ 1024
895

    
896
static int rtc_fd;
897

    
898
static int start_rtc_timer(void)
899
{
900
    rtc_fd = open("/dev/rtc", O_RDONLY);
901
    if (rtc_fd < 0)
902
        return -1;
903
    if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
904
        fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
905
                "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
906
                "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
907
        goto fail;
908
    }
909
    if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
910
    fail:
911
        close(rtc_fd);
912
        return -1;
913
    }
914
    pit_min_timer_count = PIT_FREQ / RTC_FREQ;
915
    return 0;
916
}
917

    
918
#else
919

    
920
static int start_rtc_timer(void)
921
{
922
    return -1;
923
}
924

    
925
#endif /* !defined(__linux__) */
926

    
927
#endif /* !defined(_WIN32) */
928

    
929
static void init_timers(void)
930
{
931
    rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
932
    vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
933

    
934
#ifdef _WIN32
935
    {
936
        int count=0;
937
        timerID = timeSetEvent(1,     // interval (ms)
938
                               0,     // resolution
939
                               host_alarm_handler, // function
940
                               (DWORD)&count,  // user parameter
941
                               TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
942
         if( !timerID ) {
943
            perror("failed timer alarm");
944
            exit(1);
945
         }
946
    }
947
    pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
948
#else
949
    {
950
        struct sigaction act;
951
        struct itimerval itv;
952
        
953
        /* get times() syscall frequency */
954
        timer_freq = sysconf(_SC_CLK_TCK);
955
        
956
        /* timer signal */
957
        sigfillset(&act.sa_mask);
958
       act.sa_flags = 0;
959
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
960
        act.sa_flags |= SA_ONSTACK;
961
#endif
962
        act.sa_handler = host_alarm_handler;
963
        sigaction(SIGALRM, &act, NULL);
964

    
965
        itv.it_interval.tv_sec = 0;
966
        itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
967
        itv.it_value.tv_sec = 0;
968
        itv.it_value.tv_usec = 10 * 1000;
969
        setitimer(ITIMER_REAL, &itv, NULL);
970
        /* we probe the tick duration of the kernel to inform the user if
971
           the emulated kernel requested a too high timer frequency */
972
        getitimer(ITIMER_REAL, &itv);
973

    
974
#if defined(__linux__)
975
        if (itv.it_interval.tv_usec > 1000) {
976
            /* try to use /dev/rtc to have a faster timer */
977
            if (start_rtc_timer() < 0)
978
                goto use_itimer;
979
            /* disable itimer */
980
            itv.it_interval.tv_sec = 0;
981
            itv.it_interval.tv_usec = 0;
982
            itv.it_value.tv_sec = 0;
983
            itv.it_value.tv_usec = 0;
984
            setitimer(ITIMER_REAL, &itv, NULL);
985

    
986
            /* use the RTC */
987
            sigaction(SIGIO, &act, NULL);
988
            fcntl(rtc_fd, F_SETFL, O_ASYNC);
989
            fcntl(rtc_fd, F_SETOWN, getpid());
990
        } else 
991
#endif /* defined(__linux__) */
992
        {
993
        use_itimer:
994
            pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * 
995
                                   PIT_FREQ) / 1000000;
996
        }
997
    }
998
#endif
999
}
1000

    
1001
void quit_timers(void)
1002
{
1003
#ifdef _WIN32
1004
    timeKillEvent(timerID);
1005
#endif
1006
}
1007

    
1008
/***********************************************************/
1009
/* character device */
1010

    
1011
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1012
{
1013
    return s->chr_write(s, buf, len);
1014
}
1015

    
1016
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1017
{
1018
    char buf[4096];
1019
    va_list ap;
1020
    va_start(ap, fmt);
1021
    vsnprintf(buf, sizeof(buf), fmt, ap);
1022
    qemu_chr_write(s, buf, strlen(buf));
1023
    va_end(ap);
1024
}
1025

    
1026
void qemu_chr_send_event(CharDriverState *s, int event)
1027
{
1028
    if (s->chr_send_event)
1029
        s->chr_send_event(s, event);
1030
}
1031

    
1032
void qemu_chr_add_read_handler(CharDriverState *s, 
1033
                               IOCanRWHandler *fd_can_read, 
1034
                               IOReadHandler *fd_read, void *opaque)
1035
{
1036
    s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1037
}
1038
             
1039
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1040
{
1041
    s->chr_event = chr_event;
1042
}
1043

    
1044
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1045
{
1046
    return len;
1047
}
1048

    
1049
static void null_chr_add_read_handler(CharDriverState *chr, 
1050
                                    IOCanRWHandler *fd_can_read, 
1051
                                    IOReadHandler *fd_read, void *opaque)
1052
{
1053
}
1054

    
1055
CharDriverState *qemu_chr_open_null(void)
1056
{
1057
    CharDriverState *chr;
1058

    
1059
    chr = qemu_mallocz(sizeof(CharDriverState));
1060
    if (!chr)
1061
        return NULL;
1062
    chr->chr_write = null_chr_write;
1063
    chr->chr_add_read_handler = null_chr_add_read_handler;
1064
    return chr;
1065
}
1066

    
1067
#ifndef _WIN32
1068

    
1069
typedef struct {
1070
    int fd_in, fd_out;
1071
    /* for nographic stdio only */
1072
    IOCanRWHandler *fd_can_read; 
1073
    IOReadHandler *fd_read;
1074
    void *fd_opaque;
1075
} FDCharDriver;
1076

    
1077
#define STDIO_MAX_CLIENTS 2
1078

    
1079
static int stdio_nb_clients;
1080
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1081

    
1082
static int unix_write(int fd, const uint8_t *buf, int len1)
1083
{
1084
    int ret, len;
1085

    
1086
    len = len1;
1087
    while (len > 0) {
1088
        ret = write(fd, buf, len);
1089
        if (ret < 0) {
1090
            if (errno != EINTR && errno != EAGAIN)
1091
                return -1;
1092
        } else if (ret == 0) {
1093
            break;
1094
        } else {
1095
            buf += ret;
1096
            len -= ret;
1097
        }
1098
    }
1099
    return len1 - len;
1100
}
1101

    
1102
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1103
{
1104
    FDCharDriver *s = chr->opaque;
1105
    return unix_write(s->fd_out, buf, len);
1106
}
1107

    
1108
static void fd_chr_add_read_handler(CharDriverState *chr, 
1109
                                    IOCanRWHandler *fd_can_read, 
1110
                                    IOReadHandler *fd_read, void *opaque)
1111
{
1112
    FDCharDriver *s = chr->opaque;
1113

    
1114
    if (nographic && s->fd_in == 0) {
1115
        s->fd_can_read = fd_can_read;
1116
        s->fd_read = fd_read;
1117
        s->fd_opaque = opaque;
1118
    } else {
1119
        qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1120
    }
1121
}
1122

    
1123
/* open a character device to a unix fd */
1124
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1125
{
1126
    CharDriverState *chr;
1127
    FDCharDriver *s;
1128

    
1129
    chr = qemu_mallocz(sizeof(CharDriverState));
1130
    if (!chr)
1131
        return NULL;
1132
    s = qemu_mallocz(sizeof(FDCharDriver));
1133
    if (!s) {
1134
        free(chr);
1135
        return NULL;
1136
    }
1137
    s->fd_in = fd_in;
1138
    s->fd_out = fd_out;
1139
    chr->opaque = s;
1140
    chr->chr_write = fd_chr_write;
1141
    chr->chr_add_read_handler = fd_chr_add_read_handler;
1142
    return chr;
1143
}
1144

    
1145
/* for STDIO, we handle the case where several clients use it
1146
   (nographic mode) */
1147

    
1148
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1149

    
1150
#define TERM_FIFO_MAX_SIZE 1
1151

    
1152
static int term_got_escape, client_index;
1153
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1154
int term_fifo_size;
1155

    
1156
void term_print_help(void)
1157
{
1158
    printf("\n"
1159
           "C-a h    print this help\n"
1160
           "C-a x    exit emulator\n"
1161
           "C-a s    save disk data back to file (if -snapshot)\n"
1162
           "C-a b    send break (magic sysrq)\n"
1163
           "C-a c    switch between console and monitor\n"
1164
           "C-a C-a  send C-a\n"
1165
           );
1166
}
1167

    
1168
/* called when a char is received */
1169
static void stdio_received_byte(int ch)
1170
{
1171
    if (term_got_escape) {
1172
        term_got_escape = 0;
1173
        switch(ch) {
1174
        case 'h':
1175
            term_print_help();
1176
            break;
1177
        case 'x':
1178
            exit(0);
1179
            break;
1180
        case 's': 
1181
            {
1182
                int i;
1183
                for (i = 0; i < MAX_DISKS; i++) {
1184
                    if (bs_table[i])
1185
                        bdrv_commit(bs_table[i]);
1186
                }
1187
            }
1188
            break;
1189
        case 'b':
1190
            if (client_index < stdio_nb_clients) {
1191
                CharDriverState *chr;
1192
                FDCharDriver *s;
1193

    
1194
                chr = stdio_clients[client_index];
1195
                s = chr->opaque;
1196
                chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1197
            }
1198
            break;
1199
        case 'c':
1200
            client_index++;
1201
            if (client_index >= stdio_nb_clients)
1202
                client_index = 0;
1203
            if (client_index == 0) {
1204
                /* send a new line in the monitor to get the prompt */
1205
                ch = '\r';
1206
                goto send_char;
1207
            }
1208
            break;
1209
        case TERM_ESCAPE:
1210
            goto send_char;
1211
        }
1212
    } else if (ch == TERM_ESCAPE) {
1213
        term_got_escape = 1;
1214
    } else {
1215
    send_char:
1216
        if (client_index < stdio_nb_clients) {
1217
            uint8_t buf[1];
1218
            CharDriverState *chr;
1219
            FDCharDriver *s;
1220
            
1221
            chr = stdio_clients[client_index];
1222
            s = chr->opaque;
1223
            if (s->fd_can_read(s->fd_opaque) > 0) {
1224
                buf[0] = ch;
1225
                s->fd_read(s->fd_opaque, buf, 1);
1226
            } else if (term_fifo_size == 0) {
1227
                term_fifo[term_fifo_size++] = ch;
1228
            }
1229
        }
1230
    }
1231
}
1232

    
1233
static int stdio_can_read(void *opaque)
1234
{
1235
    CharDriverState *chr;
1236
    FDCharDriver *s;
1237

    
1238
    if (client_index < stdio_nb_clients) {
1239
        chr = stdio_clients[client_index];
1240
        s = chr->opaque;
1241
        /* try to flush the queue if needed */
1242
        if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1243
            s->fd_read(s->fd_opaque, term_fifo, 1);
1244
            term_fifo_size = 0;
1245
        }
1246
        /* see if we can absorb more chars */
1247
        if (term_fifo_size == 0)
1248
            return 1;
1249
        else
1250
            return 0;
1251
    } else {
1252
        return 1;
1253
    }
1254
}
1255

    
1256
static void stdio_read(void *opaque, const uint8_t *buf, int size)
1257
{
1258
    int i;
1259
    for(i = 0; i < size; i++)
1260
        stdio_received_byte(buf[i]);
1261
}
1262

    
1263
/* init terminal so that we can grab keys */
1264
static struct termios oldtty;
1265
static int old_fd0_flags;
1266

    
1267
static void term_exit(void)
1268
{
1269
    tcsetattr (0, TCSANOW, &oldtty);
1270
    fcntl(0, F_SETFL, old_fd0_flags);
1271
}
1272

    
1273
static void term_init(void)
1274
{
1275
    struct termios tty;
1276

    
1277
    tcgetattr (0, &tty);
1278
    oldtty = tty;
1279
    old_fd0_flags = fcntl(0, F_GETFL);
1280

    
1281
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1282
                          |INLCR|IGNCR|ICRNL|IXON);
1283
    tty.c_oflag |= OPOST;
1284
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1285
    /* if graphical mode, we allow Ctrl-C handling */
1286
    if (nographic)
1287
        tty.c_lflag &= ~ISIG;
1288
    tty.c_cflag &= ~(CSIZE|PARENB);
1289
    tty.c_cflag |= CS8;
1290
    tty.c_cc[VMIN] = 1;
1291
    tty.c_cc[VTIME] = 0;
1292
    
1293
    tcsetattr (0, TCSANOW, &tty);
1294

    
1295
    atexit(term_exit);
1296

    
1297
    fcntl(0, F_SETFL, O_NONBLOCK);
1298
}
1299

    
1300
CharDriverState *qemu_chr_open_stdio(void)
1301
{
1302
    CharDriverState *chr;
1303

    
1304
    if (nographic) {
1305
        if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1306
            return NULL;
1307
        chr = qemu_chr_open_fd(0, 1);
1308
        if (stdio_nb_clients == 0)
1309
            qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1310
        client_index = stdio_nb_clients;
1311
    } else {
1312
        if (stdio_nb_clients != 0)
1313
            return NULL;
1314
        chr = qemu_chr_open_fd(0, 1);
1315
    }
1316
    stdio_clients[stdio_nb_clients++] = chr;
1317
    if (stdio_nb_clients == 1) {
1318
        /* set the terminal in raw mode */
1319
        term_init();
1320
    }
1321
    return chr;
1322
}
1323

    
1324
#if defined(__linux__)
1325
CharDriverState *qemu_chr_open_pty(void)
1326
{
1327
    char slave_name[1024];
1328
    int master_fd, slave_fd;
1329
    
1330
    /* Not satisfying */
1331
    if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1332
        return NULL;
1333
    }
1334
    fprintf(stderr, "char device redirected to %s\n", slave_name);
1335
    return qemu_chr_open_fd(master_fd, master_fd);
1336
}
1337
#else
1338
CharDriverState *qemu_chr_open_pty(void)
1339
{
1340
    return NULL;
1341
}
1342
#endif
1343

    
1344
#endif /* !defined(_WIN32) */
1345

    
1346
CharDriverState *qemu_chr_open(const char *filename)
1347
{
1348
    if (!strcmp(filename, "vc")) {
1349
        return text_console_init(&display_state);
1350
    } else if (!strcmp(filename, "null")) {
1351
        return qemu_chr_open_null();
1352
    } else 
1353
#ifndef _WIN32
1354
    if (!strcmp(filename, "pty")) {
1355
        return qemu_chr_open_pty();
1356
    } else if (!strcmp(filename, "stdio")) {
1357
        return qemu_chr_open_stdio();
1358
    } else 
1359
#endif
1360
    {
1361
        return NULL;
1362
    }
1363
}
1364

    
1365
/***********************************************************/
1366
/* Linux network device redirectors */
1367

    
1368
void hex_dump(FILE *f, const uint8_t *buf, int size)
1369
{
1370
    int len, i, j, c;
1371

    
1372
    for(i=0;i<size;i+=16) {
1373
        len = size - i;
1374
        if (len > 16)
1375
            len = 16;
1376
        fprintf(f, "%08x ", i);
1377
        for(j=0;j<16;j++) {
1378
            if (j < len)
1379
                fprintf(f, " %02x", buf[i+j]);
1380
            else
1381
                fprintf(f, "   ");
1382
        }
1383
        fprintf(f, " ");
1384
        for(j=0;j<len;j++) {
1385
            c = buf[i+j];
1386
            if (c < ' ' || c > '~')
1387
                c = '.';
1388
            fprintf(f, "%c", c);
1389
        }
1390
        fprintf(f, "\n");
1391
    }
1392
}
1393

    
1394
void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1395
{
1396
    nd->send_packet(nd, buf, size);
1397
}
1398

    
1399
void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, 
1400
                          IOReadHandler *fd_read, void *opaque)
1401
{
1402
    nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1403
}
1404

    
1405
/* dummy network adapter */
1406

    
1407
static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1408
{
1409
}
1410

    
1411
static void dummy_add_read_packet(NetDriverState *nd, 
1412
                                  IOCanRWHandler *fd_can_read, 
1413
                                  IOReadHandler *fd_read, void *opaque)
1414
{
1415
}
1416

    
1417
static int net_dummy_init(NetDriverState *nd)
1418
{
1419
    nd->send_packet = dummy_send_packet;
1420
    nd->add_read_packet = dummy_add_read_packet;
1421
    pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1422
    return 0;
1423
}
1424

    
1425
#if defined(CONFIG_SLIRP)
1426

    
1427
/* slirp network adapter */
1428

    
1429
static void *slirp_fd_opaque;
1430
static IOCanRWHandler *slirp_fd_can_read;
1431
static IOReadHandler *slirp_fd_read;
1432
static int slirp_inited;
1433

    
1434
int slirp_can_output(void)
1435
{
1436
    return slirp_fd_can_read(slirp_fd_opaque);
1437
}
1438

    
1439
void slirp_output(const uint8_t *pkt, int pkt_len)
1440
{
1441
#if 0
1442
    printf("output:\n");
1443
    hex_dump(stdout, pkt, pkt_len);
1444
#endif
1445
    slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1446
}
1447

    
1448
static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1449
{
1450
#if 0
1451
    printf("input:\n");
1452
    hex_dump(stdout, buf, size);
1453
#endif
1454
    slirp_input(buf, size);
1455
}
1456

    
1457
static void slirp_add_read_packet(NetDriverState *nd, 
1458
                                  IOCanRWHandler *fd_can_read, 
1459
                                  IOReadHandler *fd_read, void *opaque)
1460
{
1461
    slirp_fd_opaque = opaque;
1462
    slirp_fd_can_read = fd_can_read;
1463
    slirp_fd_read = fd_read;
1464
}
1465

    
1466
static int net_slirp_init(NetDriverState *nd)
1467
{
1468
    if (!slirp_inited) {
1469
        slirp_inited = 1;
1470
        slirp_init();
1471
    }
1472
    nd->send_packet = slirp_send_packet;
1473
    nd->add_read_packet = slirp_add_read_packet;
1474
    pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1475
    return 0;
1476
}
1477

    
1478
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1479
{
1480
    const char *p, *p1;
1481
    int len;
1482
    p = *pp;
1483
    p1 = strchr(p, sep);
1484
    if (!p1)
1485
        return -1;
1486
    len = p1 - p;
1487
    p1++;
1488
    if (buf_size > 0) {
1489
        if (len > buf_size - 1)
1490
            len = buf_size - 1;
1491
        memcpy(buf, p, len);
1492
        buf[len] = '\0';
1493
    }
1494
    *pp = p1;
1495
    return 0;
1496
}
1497

    
1498
static void net_slirp_redir(const char *redir_str)
1499
{
1500
    int is_udp;
1501
    char buf[256], *r;
1502
    const char *p;
1503
    struct in_addr guest_addr;
1504
    int host_port, guest_port;
1505
    
1506
    if (!slirp_inited) {
1507
        slirp_inited = 1;
1508
        slirp_init();
1509
    }
1510

    
1511
    p = redir_str;
1512
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1513
        goto fail;
1514
    if (!strcmp(buf, "tcp")) {
1515
        is_udp = 0;
1516
    } else if (!strcmp(buf, "udp")) {
1517
        is_udp = 1;
1518
    } else {
1519
        goto fail;
1520
    }
1521

    
1522
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1523
        goto fail;
1524
    host_port = strtol(buf, &r, 0);
1525
    if (r == buf)
1526
        goto fail;
1527

    
1528
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1529
        goto fail;
1530
    if (buf[0] == '\0') {
1531
        pstrcpy(buf, sizeof(buf), "10.0.2.15");
1532
    }
1533
    if (!inet_aton(buf, &guest_addr))
1534
        goto fail;
1535
    
1536
    guest_port = strtol(p, &r, 0);
1537
    if (r == p)
1538
        goto fail;
1539
    
1540
    if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1541
        fprintf(stderr, "qemu: could not set up redirection\n");
1542
        exit(1);
1543
    }
1544
    return;
1545
 fail:
1546
    fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1547
    exit(1);
1548
}
1549
    
1550
#ifndef _WIN32
1551

    
1552
char smb_dir[1024];
1553

    
1554
static void smb_exit(void)
1555
{
1556
    DIR *d;
1557
    struct dirent *de;
1558
    char filename[1024];
1559

    
1560
    /* erase all the files in the directory */
1561
    d = opendir(smb_dir);
1562
    for(;;) {
1563
        de = readdir(d);
1564
        if (!de)
1565
            break;
1566
        if (strcmp(de->d_name, ".") != 0 &&
1567
            strcmp(de->d_name, "..") != 0) {
1568
            snprintf(filename, sizeof(filename), "%s/%s", 
1569
                     smb_dir, de->d_name);
1570
            unlink(filename);
1571
        }
1572
    }
1573
    closedir(d);
1574
    rmdir(smb_dir);
1575
}
1576

    
1577
/* automatic user mode samba server configuration */
1578
void net_slirp_smb(const char *exported_dir)
1579
{
1580
    char smb_conf[1024];
1581
    char smb_cmdline[1024];
1582
    FILE *f;
1583

    
1584
    if (!slirp_inited) {
1585
        slirp_inited = 1;
1586
        slirp_init();
1587
    }
1588

    
1589
    /* XXX: better tmp dir construction */
1590
    snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
1591
    if (mkdir(smb_dir, 0700) < 0) {
1592
        fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
1593
        exit(1);
1594
    }
1595
    snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
1596
    
1597
    f = fopen(smb_conf, "w");
1598
    if (!f) {
1599
        fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
1600
        exit(1);
1601
    }
1602
    fprintf(f, 
1603
            "[global]\n"
1604
            "private dir=%s\n"
1605
            "smb ports=0\n"
1606
            "socket address=127.0.0.1\n"
1607
            "pid directory=%s\n"
1608
            "lock directory=%s\n"
1609
            "log file=%s/log.smbd\n"
1610
            "smb passwd file=%s/smbpasswd\n"
1611
            "security = share\n"
1612
            "[qemu]\n"
1613
            "path=%s\n"
1614
            "read only=no\n"
1615
            "guest ok=yes\n",
1616
            smb_dir,
1617
            smb_dir,
1618
            smb_dir,
1619
            smb_dir,
1620
            smb_dir,
1621
            exported_dir
1622
            );
1623
    fclose(f);
1624
    atexit(smb_exit);
1625

    
1626
    snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
1627
             smb_conf);
1628
    
1629
    slirp_add_exec(0, smb_cmdline, 4, 139);
1630
}
1631

    
1632
#endif /* !defined(_WIN32) */
1633

    
1634
#endif /* CONFIG_SLIRP */
1635

    
1636
#if !defined(_WIN32)
1637
#ifdef _BSD
1638
static int tun_open(char *ifname, int ifname_size)
1639
{
1640
    int fd;
1641
    char *dev;
1642
    struct stat s;
1643

    
1644
    fd = open("/dev/tap", O_RDWR);
1645
    if (fd < 0) {
1646
        fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1647
        return -1;
1648
    }
1649

    
1650
    fstat(fd, &s);
1651
    dev = devname(s.st_rdev, S_IFCHR);
1652
    pstrcpy(ifname, ifname_size, dev);
1653

    
1654
    fcntl(fd, F_SETFL, O_NONBLOCK);
1655
    return fd;
1656
}
1657
#else
1658
static int tun_open(char *ifname, int ifname_size)
1659
{
1660
    struct ifreq ifr;
1661
    int fd, ret;
1662
    
1663
    fd = open("/dev/net/tun", O_RDWR);
1664
    if (fd < 0) {
1665
        fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1666
        return -1;
1667
    }
1668
    memset(&ifr, 0, sizeof(ifr));
1669
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1670
    pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1671
    ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1672
    if (ret != 0) {
1673
        fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1674
        close(fd);
1675
        return -1;
1676
    }
1677
    printf("Connected to host network interface: %s\n", ifr.ifr_name);
1678
    pstrcpy(ifname, ifname_size, ifr.ifr_name);
1679
    fcntl(fd, F_SETFL, O_NONBLOCK);
1680
    return fd;
1681
}
1682
#endif
1683

    
1684
static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1685
{
1686
    write(nd->fd, buf, size);
1687
}
1688

    
1689
static void tun_add_read_packet(NetDriverState *nd, 
1690
                                IOCanRWHandler *fd_can_read, 
1691
                                IOReadHandler *fd_read, void *opaque)
1692
{
1693
    qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1694
}
1695

    
1696
static int net_tun_init(NetDriverState *nd)
1697
{
1698
    int pid, status;
1699
    char *args[3];
1700
    char **parg;
1701

    
1702
    nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1703
    if (nd->fd < 0)
1704
        return -1;
1705

    
1706
    /* try to launch network init script */
1707
    pid = fork();
1708
    if (pid >= 0) {
1709
        if (pid == 0) {
1710
            parg = args;
1711
            *parg++ = network_script;
1712
            *parg++ = nd->ifname;
1713
            *parg++ = NULL;
1714
            execv(network_script, args);
1715
            exit(1);
1716
        }
1717
        while (waitpid(pid, &status, 0) != pid);
1718
        if (!WIFEXITED(status) ||
1719
            WEXITSTATUS(status) != 0) {
1720
            fprintf(stderr, "%s: could not launch network script\n",
1721
                    network_script);
1722
        }
1723
    }
1724
    nd->send_packet = tun_send_packet;
1725
    nd->add_read_packet = tun_add_read_packet;
1726
    return 0;
1727
}
1728

    
1729
static int net_fd_init(NetDriverState *nd, int fd)
1730
{
1731
    nd->fd = fd;
1732
    nd->send_packet = tun_send_packet;
1733
    nd->add_read_packet = tun_add_read_packet;
1734
    pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1735
    return 0;
1736
}
1737

    
1738
#endif /* !_WIN32 */
1739

    
1740
/***********************************************************/
1741
/* pid file */
1742

    
1743
static char *pid_filename;
1744

    
1745
/* Remove PID file. Called on normal exit */
1746

    
1747
static void remove_pidfile(void) 
1748
{
1749
    unlink (pid_filename);
1750
}
1751

    
1752
static void create_pidfile(const char *filename)
1753
{
1754
    struct stat pidstat;
1755
    FILE *f;
1756

    
1757
    /* Try to write our PID to the named file */
1758
    if (stat(filename, &pidstat) < 0) {
1759
        if (errno == ENOENT) {
1760
            if ((f = fopen (filename, "w")) == NULL) {
1761
                perror("Opening pidfile");
1762
                exit(1);
1763
            }
1764
            fprintf(f, "%d\n", getpid());
1765
            fclose(f);
1766
            pid_filename = qemu_strdup(filename);
1767
            if (!pid_filename) {
1768
                fprintf(stderr, "Could not save PID filename");
1769
                exit(1);
1770
            }
1771
            atexit(remove_pidfile);
1772
        }
1773
    } else {
1774
        fprintf(stderr, "%s already exists. Remove it and try again.\n", 
1775
                filename);
1776
        exit(1);
1777
    }
1778
}
1779

    
1780
/***********************************************************/
1781
/* dumb display */
1782

    
1783
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1784
{
1785
}
1786

    
1787
static void dumb_resize(DisplayState *ds, int w, int h)
1788
{
1789
}
1790

    
1791
static void dumb_refresh(DisplayState *ds)
1792
{
1793
    vga_update_display();
1794
}
1795

    
1796
void dumb_display_init(DisplayState *ds)
1797
{
1798
    ds->data = NULL;
1799
    ds->linesize = 0;
1800
    ds->depth = 0;
1801
    ds->dpy_update = dumb_update;
1802
    ds->dpy_resize = dumb_resize;
1803
    ds->dpy_refresh = dumb_refresh;
1804
}
1805

    
1806
#if !defined(CONFIG_SOFTMMU)
1807
/***********************************************************/
1808
/* cpu signal handler */
1809
static void host_segv_handler(int host_signum, siginfo_t *info, 
1810
                              void *puc)
1811
{
1812
    if (cpu_signal_handler(host_signum, info, puc))
1813
        return;
1814
    if (stdio_nb_clients > 0)
1815
        term_exit();
1816
    abort();
1817
}
1818
#endif
1819

    
1820
/***********************************************************/
1821
/* I/O handling */
1822

    
1823
#define MAX_IO_HANDLERS 64
1824

    
1825
typedef struct IOHandlerRecord {
1826
    int fd;
1827
    IOCanRWHandler *fd_can_read;
1828
    IOReadHandler *fd_read;
1829
    void *opaque;
1830
    /* temporary data */
1831
    struct pollfd *ufd;
1832
    int max_size;
1833
    struct IOHandlerRecord *next;
1834
} IOHandlerRecord;
1835

    
1836
static IOHandlerRecord *first_io_handler;
1837

    
1838
int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, 
1839
                             IOReadHandler *fd_read, void *opaque)
1840
{
1841
    IOHandlerRecord *ioh;
1842

    
1843
    ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1844
    if (!ioh)
1845
        return -1;
1846
    ioh->fd = fd;
1847
    ioh->fd_can_read = fd_can_read;
1848
    ioh->fd_read = fd_read;
1849
    ioh->opaque = opaque;
1850
    ioh->next = first_io_handler;
1851
    first_io_handler = ioh;
1852
    return 0;
1853
}
1854

    
1855
void qemu_del_fd_read_handler(int fd)
1856
{
1857
    IOHandlerRecord **pioh, *ioh;
1858

    
1859
    pioh = &first_io_handler;
1860
    for(;;) {
1861
        ioh = *pioh;
1862
        if (ioh == NULL)
1863
            break;
1864
        if (ioh->fd == fd) {
1865
            *pioh = ioh->next;
1866
            break;
1867
        }
1868
        pioh = &ioh->next;
1869
    }
1870
}
1871

    
1872
/***********************************************************/
1873
/* savevm/loadvm support */
1874

    
1875
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1876
{
1877
    fwrite(buf, 1, size, f);
1878
}
1879

    
1880
void qemu_put_byte(QEMUFile *f, int v)
1881
{
1882
    fputc(v, f);
1883
}
1884

    
1885
void qemu_put_be16(QEMUFile *f, unsigned int v)
1886
{
1887
    qemu_put_byte(f, v >> 8);
1888
    qemu_put_byte(f, v);
1889
}
1890

    
1891
void qemu_put_be32(QEMUFile *f, unsigned int v)
1892
{
1893
    qemu_put_byte(f, v >> 24);
1894
    qemu_put_byte(f, v >> 16);
1895
    qemu_put_byte(f, v >> 8);
1896
    qemu_put_byte(f, v);
1897
}
1898

    
1899
void qemu_put_be64(QEMUFile *f, uint64_t v)
1900
{
1901
    qemu_put_be32(f, v >> 32);
1902
    qemu_put_be32(f, v);
1903
}
1904

    
1905
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
1906
{
1907
    return fread(buf, 1, size, f);
1908
}
1909

    
1910
int qemu_get_byte(QEMUFile *f)
1911
{
1912
    int v;
1913
    v = fgetc(f);
1914
    if (v == EOF)
1915
        return 0;
1916
    else
1917
        return v;
1918
}
1919

    
1920
unsigned int qemu_get_be16(QEMUFile *f)
1921
{
1922
    unsigned int v;
1923
    v = qemu_get_byte(f) << 8;
1924
    v |= qemu_get_byte(f);
1925
    return v;
1926
}
1927

    
1928
unsigned int qemu_get_be32(QEMUFile *f)
1929
{
1930
    unsigned int v;
1931
    v = qemu_get_byte(f) << 24;
1932
    v |= qemu_get_byte(f) << 16;
1933
    v |= qemu_get_byte(f) << 8;
1934
    v |= qemu_get_byte(f);
1935
    return v;
1936
}
1937

    
1938
uint64_t qemu_get_be64(QEMUFile *f)
1939
{
1940
    uint64_t v;
1941
    v = (uint64_t)qemu_get_be32(f) << 32;
1942
    v |= qemu_get_be32(f);
1943
    return v;
1944
}
1945

    
1946
int64_t qemu_ftell(QEMUFile *f)
1947
{
1948
    return ftell(f);
1949
}
1950

    
1951
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
1952
{
1953
    if (fseek(f, pos, whence) < 0)
1954
        return -1;
1955
    return ftell(f);
1956
}
1957

    
1958
typedef struct SaveStateEntry {
1959
    char idstr[256];
1960
    int instance_id;
1961
    int version_id;
1962
    SaveStateHandler *save_state;
1963
    LoadStateHandler *load_state;
1964
    void *opaque;
1965
    struct SaveStateEntry *next;
1966
} SaveStateEntry;
1967

    
1968
static SaveStateEntry *first_se;
1969

    
1970
int register_savevm(const char *idstr, 
1971
                    int instance_id, 
1972
                    int version_id,
1973
                    SaveStateHandler *save_state,
1974
                    LoadStateHandler *load_state,
1975
                    void *opaque)
1976
{
1977
    SaveStateEntry *se, **pse;
1978

    
1979
    se = qemu_malloc(sizeof(SaveStateEntry));
1980
    if (!se)
1981
        return -1;
1982
    pstrcpy(se->idstr, sizeof(se->idstr), idstr);
1983
    se->instance_id = instance_id;
1984
    se->version_id = version_id;
1985
    se->save_state = save_state;
1986
    se->load_state = load_state;
1987
    se->opaque = opaque;
1988
    se->next = NULL;
1989

    
1990
    /* add at the end of list */
1991
    pse = &first_se;
1992
    while (*pse != NULL)
1993
        pse = &(*pse)->next;
1994
    *pse = se;
1995
    return 0;
1996
}
1997

    
1998
#define QEMU_VM_FILE_MAGIC   0x5145564d
1999
#define QEMU_VM_FILE_VERSION 0x00000001
2000

    
2001
int qemu_savevm(const char *filename)
2002
{
2003
    SaveStateEntry *se;
2004
    QEMUFile *f;
2005
    int len, len_pos, cur_pos, saved_vm_running, ret;
2006

    
2007
    saved_vm_running = vm_running;
2008
    vm_stop(0);
2009

    
2010
    f = fopen(filename, "wb");
2011
    if (!f) {
2012
        ret = -1;
2013
        goto the_end;
2014
    }
2015

    
2016
    qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
2017
    qemu_put_be32(f, QEMU_VM_FILE_VERSION);
2018

    
2019
    for(se = first_se; se != NULL; se = se->next) {
2020
        /* ID string */
2021
        len = strlen(se->idstr);
2022
        qemu_put_byte(f, len);
2023
        qemu_put_buffer(f, se->idstr, len);
2024

    
2025
        qemu_put_be32(f, se->instance_id);
2026
        qemu_put_be32(f, se->version_id);
2027

    
2028
        /* record size: filled later */
2029
        len_pos = ftell(f);
2030
        qemu_put_be32(f, 0);
2031
        
2032
        se->save_state(f, se->opaque);
2033

    
2034
        /* fill record size */
2035
        cur_pos = ftell(f);
2036
        len = ftell(f) - len_pos - 4;
2037
        fseek(f, len_pos, SEEK_SET);
2038
        qemu_put_be32(f, len);
2039
        fseek(f, cur_pos, SEEK_SET);
2040
    }
2041

    
2042
    fclose(f);
2043
    ret = 0;
2044
 the_end:
2045
    if (saved_vm_running)
2046
        vm_start();
2047
    return ret;
2048
}
2049

    
2050
static SaveStateEntry *find_se(const char *idstr, int instance_id)
2051
{
2052
    SaveStateEntry *se;
2053

    
2054
    for(se = first_se; se != NULL; se = se->next) {
2055
        if (!strcmp(se->idstr, idstr) && 
2056
            instance_id == se->instance_id)
2057
            return se;
2058
    }
2059
    return NULL;
2060
}
2061

    
2062
int qemu_loadvm(const char *filename)
2063
{
2064
    SaveStateEntry *se;
2065
    QEMUFile *f;
2066
    int len, cur_pos, ret, instance_id, record_len, version_id;
2067
    int saved_vm_running;
2068
    unsigned int v;
2069
    char idstr[256];
2070
    
2071
    saved_vm_running = vm_running;
2072
    vm_stop(0);
2073

    
2074
    f = fopen(filename, "rb");
2075
    if (!f) {
2076
        ret = -1;
2077
        goto the_end;
2078
    }
2079

    
2080
    v = qemu_get_be32(f);
2081
    if (v != QEMU_VM_FILE_MAGIC)
2082
        goto fail;
2083
    v = qemu_get_be32(f);
2084
    if (v != QEMU_VM_FILE_VERSION) {
2085
    fail:
2086
        fclose(f);
2087
        ret = -1;
2088
        goto the_end;
2089
    }
2090
    for(;;) {
2091
#if defined (DO_TB_FLUSH)
2092
        tb_flush(global_env);
2093
#endif
2094
        len = qemu_get_byte(f);
2095
        if (feof(f))
2096
            break;
2097
        qemu_get_buffer(f, idstr, len);
2098
        idstr[len] = '\0';
2099
        instance_id = qemu_get_be32(f);
2100
        version_id = qemu_get_be32(f);
2101
        record_len = qemu_get_be32(f);
2102
#if 0
2103
        printf("idstr=%s instance=0x%x version=%d len=%d\n", 
2104
               idstr, instance_id, version_id, record_len);
2105
#endif
2106
        cur_pos = ftell(f);
2107
        se = find_se(idstr, instance_id);
2108
        if (!se) {
2109
            fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", 
2110
                    instance_id, idstr);
2111
        } else {
2112
            ret = se->load_state(f, se->opaque, version_id);
2113
            if (ret < 0) {
2114
                fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", 
2115
                        instance_id, idstr);
2116
            }
2117
        }
2118
        /* always seek to exact end of record */
2119
        qemu_fseek(f, cur_pos + record_len, SEEK_SET);
2120
    }
2121
    fclose(f);
2122
    ret = 0;
2123
 the_end:
2124
    if (saved_vm_running)
2125
        vm_start();
2126
    return ret;
2127
}
2128

    
2129
/***********************************************************/
2130
/* cpu save/restore */
2131

    
2132
#if defined(TARGET_I386)
2133

    
2134
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
2135
{
2136
    qemu_put_be32(f, dt->selector);
2137
    qemu_put_betl(f, dt->base);
2138
    qemu_put_be32(f, dt->limit);
2139
    qemu_put_be32(f, dt->flags);
2140
}
2141

    
2142
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
2143
{
2144
    dt->selector = qemu_get_be32(f);
2145
    dt->base = qemu_get_betl(f);
2146
    dt->limit = qemu_get_be32(f);
2147
    dt->flags = qemu_get_be32(f);
2148
}
2149

    
2150
void cpu_save(QEMUFile *f, void *opaque)
2151
{
2152
    CPUState *env = opaque;
2153
    uint16_t fptag, fpus, fpuc, fpregs_format;
2154
    uint32_t hflags;
2155
    int i;
2156
    
2157
    for(i = 0; i < CPU_NB_REGS; i++)
2158
        qemu_put_betls(f, &env->regs[i]);
2159
    qemu_put_betls(f, &env->eip);
2160
    qemu_put_betls(f, &env->eflags);
2161
    hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
2162
    qemu_put_be32s(f, &hflags);
2163
    
2164
    /* FPU */
2165
    fpuc = env->fpuc;
2166
    fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
2167
    fptag = 0;
2168
    for(i = 0; i < 8; i++) {
2169
        fptag |= ((!env->fptags[i]) << i);
2170
    }
2171
    
2172
    qemu_put_be16s(f, &fpuc);
2173
    qemu_put_be16s(f, &fpus);
2174
    qemu_put_be16s(f, &fptag);
2175

    
2176
#ifdef USE_X86LDOUBLE
2177
    fpregs_format = 0;
2178
#else
2179
    fpregs_format = 1;
2180
#endif
2181
    qemu_put_be16s(f, &fpregs_format);
2182
    
2183
    for(i = 0; i < 8; i++) {
2184
#ifdef USE_X86LDOUBLE
2185
        {
2186
            uint64_t mant;
2187
            uint16_t exp;
2188
            /* we save the real CPU data (in case of MMX usage only 'mant'
2189
               contains the MMX register */
2190
            cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
2191
            qemu_put_be64(f, mant);
2192
            qemu_put_be16(f, exp);
2193
        }
2194
#else
2195
        /* if we use doubles for float emulation, we save the doubles to
2196
           avoid losing information in case of MMX usage. It can give
2197
           problems if the image is restored on a CPU where long
2198
           doubles are used instead. */
2199
        qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
2200
#endif
2201
    }
2202

    
2203
    for(i = 0; i < 6; i++)
2204
        cpu_put_seg(f, &env->segs[i]);
2205
    cpu_put_seg(f, &env->ldt);
2206
    cpu_put_seg(f, &env->tr);
2207
    cpu_put_seg(f, &env->gdt);
2208
    cpu_put_seg(f, &env->idt);
2209
    
2210
    qemu_put_be32s(f, &env->sysenter_cs);
2211
    qemu_put_be32s(f, &env->sysenter_esp);
2212
    qemu_put_be32s(f, &env->sysenter_eip);
2213
    
2214
    qemu_put_betls(f, &env->cr[0]);
2215
    qemu_put_betls(f, &env->cr[2]);
2216
    qemu_put_betls(f, &env->cr[3]);
2217
    qemu_put_betls(f, &env->cr[4]);
2218
    
2219
    for(i = 0; i < 8; i++)
2220
        qemu_put_betls(f, &env->dr[i]);
2221

    
2222
    /* MMU */
2223
    qemu_put_be32s(f, &env->a20_mask);
2224

    
2225
    /* XMM */
2226
    qemu_put_be32s(f, &env->mxcsr);
2227
    for(i = 0; i < CPU_NB_REGS; i++) {
2228
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2229
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2230
    }
2231

    
2232
#ifdef TARGET_X86_64
2233
    qemu_put_be64s(f, &env->efer);
2234
    qemu_put_be64s(f, &env->star);
2235
    qemu_put_be64s(f, &env->lstar);
2236
    qemu_put_be64s(f, &env->cstar);
2237
    qemu_put_be64s(f, &env->fmask);
2238
    qemu_put_be64s(f, &env->kernelgsbase);
2239
#endif
2240
}
2241

    
2242
#ifdef USE_X86LDOUBLE
2243
/* XXX: add that in a FPU generic layer */
2244
union x86_longdouble {
2245
    uint64_t mant;
2246
    uint16_t exp;
2247
};
2248

    
2249
#define MANTD1(fp)        (fp & ((1LL << 52) - 1))
2250
#define EXPBIAS1 1023
2251
#define EXPD1(fp)        ((fp >> 52) & 0x7FF)
2252
#define SIGND1(fp)        ((fp >> 32) & 0x80000000)
2253

    
2254
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
2255
{
2256
    int e;
2257
    /* mantissa */
2258
    p->mant = (MANTD1(temp) << 11) | (1LL << 63);
2259
    /* exponent + sign */
2260
    e = EXPD1(temp) - EXPBIAS1 + 16383;
2261
    e |= SIGND1(temp) >> 16;
2262
    p->exp = e;
2263
}
2264
#endif
2265

    
2266
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2267
{
2268
    CPUState *env = opaque;
2269
    int i, guess_mmx;
2270
    uint32_t hflags;
2271
    uint16_t fpus, fpuc, fptag, fpregs_format;
2272

    
2273
    if (version_id != 3)
2274
        return -EINVAL;
2275
    for(i = 0; i < CPU_NB_REGS; i++)
2276
        qemu_get_betls(f, &env->regs[i]);
2277
    qemu_get_betls(f, &env->eip);
2278
    qemu_get_betls(f, &env->eflags);
2279
    qemu_get_be32s(f, &hflags);
2280

    
2281
    qemu_get_be16s(f, &fpuc);
2282
    qemu_get_be16s(f, &fpus);
2283
    qemu_get_be16s(f, &fptag);
2284
    qemu_get_be16s(f, &fpregs_format);
2285
    
2286
    /* NOTE: we cannot always restore the FPU state if the image come
2287
       from a host with a different 'USE_X86LDOUBLE' define. We guess
2288
       if we are in an MMX state to restore correctly in that case. */
2289
    guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
2290
    for(i = 0; i < 8; i++) {
2291
        uint64_t mant;
2292
        uint16_t exp;
2293
        
2294
        switch(fpregs_format) {
2295
        case 0:
2296
            mant = qemu_get_be64(f);
2297
            exp = qemu_get_be16(f);
2298
#ifdef USE_X86LDOUBLE
2299
            env->fpregs[i].d = cpu_set_fp80(mant, exp);
2300
#else
2301
            /* difficult case */
2302
            if (guess_mmx)
2303
                env->fpregs[i].mmx.MMX_Q(0) = mant;
2304
            else
2305
                env->fpregs[i].d = cpu_set_fp80(mant, exp);
2306
#endif
2307
            break;
2308
        case 1:
2309
            mant = qemu_get_be64(f);
2310
#ifdef USE_X86LDOUBLE
2311
            {
2312
                union x86_longdouble *p;
2313
                /* difficult case */
2314
                p = (void *)&env->fpregs[i];
2315
                if (guess_mmx) {
2316
                    p->mant = mant;
2317
                    p->exp = 0xffff;
2318
                } else {
2319
                    fp64_to_fp80(p, mant);
2320
                }
2321
            }
2322
#else
2323
            env->fpregs[i].mmx.MMX_Q(0) = mant;
2324
#endif            
2325
            break;
2326
        default:
2327
            return -EINVAL;
2328
        }
2329
    }
2330

    
2331
    env->fpuc = fpuc;
2332
    /* XXX: restore FPU round state */
2333
    env->fpstt = (fpus >> 11) & 7;
2334
    env->fpus = fpus & ~0x3800;
2335
    fptag ^= 0xff;
2336
    for(i = 0; i < 8; i++) {
2337
        env->fptags[i] = (fptag >> i) & 1;
2338
    }
2339
    
2340
    for(i = 0; i < 6; i++)
2341
        cpu_get_seg(f, &env->segs[i]);
2342
    cpu_get_seg(f, &env->ldt);
2343
    cpu_get_seg(f, &env->tr);
2344
    cpu_get_seg(f, &env->gdt);
2345
    cpu_get_seg(f, &env->idt);
2346
    
2347
    qemu_get_be32s(f, &env->sysenter_cs);
2348
    qemu_get_be32s(f, &env->sysenter_esp);
2349
    qemu_get_be32s(f, &env->sysenter_eip);
2350
    
2351
    qemu_get_betls(f, &env->cr[0]);
2352
    qemu_get_betls(f, &env->cr[2]);
2353
    qemu_get_betls(f, &env->cr[3]);
2354
    qemu_get_betls(f, &env->cr[4]);
2355
    
2356
    for(i = 0; i < 8; i++)
2357
        qemu_get_betls(f, &env->dr[i]);
2358

    
2359
    /* MMU */
2360
    qemu_get_be32s(f, &env->a20_mask);
2361

    
2362
    qemu_get_be32s(f, &env->mxcsr);
2363
    for(i = 0; i < CPU_NB_REGS; i++) {
2364
        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2365
        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2366
    }
2367

    
2368
#ifdef TARGET_X86_64
2369
    qemu_get_be64s(f, &env->efer);
2370
    qemu_get_be64s(f, &env->star);
2371
    qemu_get_be64s(f, &env->lstar);
2372
    qemu_get_be64s(f, &env->cstar);
2373
    qemu_get_be64s(f, &env->fmask);
2374
    qemu_get_be64s(f, &env->kernelgsbase);
2375
#endif
2376

    
2377
    /* XXX: compute hflags from scratch, except for CPL and IIF */
2378
    env->hflags = hflags;
2379
    tlb_flush(env, 1);
2380
    return 0;
2381
}
2382

    
2383
#elif defined(TARGET_PPC)
2384
void cpu_save(QEMUFile *f, void *opaque)
2385
{
2386
}
2387

    
2388
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2389
{
2390
    return 0;
2391
}
2392

    
2393
#elif defined(TARGET_MIPS)
2394
void cpu_save(QEMUFile *f, void *opaque)
2395
{
2396
}
2397

    
2398
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2399
{
2400
    return 0;
2401
}
2402

    
2403
#elif defined(TARGET_SPARC)
2404
void cpu_save(QEMUFile *f, void *opaque)
2405
{
2406
    CPUState *env = opaque;
2407
    int i;
2408
    uint32_t tmp;
2409

    
2410
    for(i = 0; i < 8; i++)
2411
        qemu_put_betls(f, &env->gregs[i]);
2412
    for(i = 0; i < NWINDOWS * 16; i++)
2413
        qemu_put_betls(f, &env->regbase[i]);
2414

    
2415
    /* FPU */
2416
    for(i = 0; i < TARGET_FPREGS; i++) {
2417
        union {
2418
            TARGET_FPREG_T f;
2419
            target_ulong i;
2420
        } u;
2421
        u.f = env->fpr[i];
2422
        qemu_put_betl(f, u.i);
2423
    }
2424

    
2425
    qemu_put_betls(f, &env->pc);
2426
    qemu_put_betls(f, &env->npc);
2427
    qemu_put_betls(f, &env->y);
2428
    tmp = GET_PSR(env);
2429
    qemu_put_be32(f, tmp);
2430
    qemu_put_betls(f, &env->fsr);
2431
    qemu_put_betls(f, &env->tbr);
2432
#ifndef TARGET_SPARC64
2433
    qemu_put_be32s(f, &env->wim);
2434
    /* MMU */
2435
    for(i = 0; i < 16; i++)
2436
        qemu_put_be32s(f, &env->mmuregs[i]);
2437
#endif
2438
}
2439

    
2440
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2441
{
2442
    CPUState *env = opaque;
2443
    int i;
2444
    uint32_t tmp;
2445

    
2446
    for(i = 0; i < 8; i++)
2447
        qemu_get_betls(f, &env->gregs[i]);
2448
    for(i = 0; i < NWINDOWS * 16; i++)
2449
        qemu_get_betls(f, &env->regbase[i]);
2450

    
2451
    /* FPU */
2452
    for(i = 0; i < TARGET_FPREGS; i++) {
2453
        union {
2454
            TARGET_FPREG_T f;
2455
            target_ulong i;
2456
        } u;
2457
        u.i = qemu_get_betl(f);
2458
        env->fpr[i] = u.f;
2459
    }
2460

    
2461
    qemu_get_betls(f, &env->pc);
2462
    qemu_get_betls(f, &env->npc);
2463
    qemu_get_betls(f, &env->y);
2464
    tmp = qemu_get_be32(f);
2465
    env->cwp = 0; /* needed to ensure that the wrapping registers are
2466
                     correctly updated */
2467
    PUT_PSR(env, tmp);
2468
    qemu_get_betls(f, &env->fsr);
2469
    qemu_get_betls(f, &env->tbr);
2470
#ifndef TARGET_SPARC64
2471
    qemu_get_be32s(f, &env->wim);
2472
    /* MMU */
2473
    for(i = 0; i < 16; i++)
2474
        qemu_get_be32s(f, &env->mmuregs[i]);
2475
#endif
2476
    tlb_flush(env, 1);
2477
    return 0;
2478
}
2479
#else
2480

    
2481
#warning No CPU save/restore functions
2482

    
2483
#endif
2484

    
2485
/***********************************************************/
2486
/* ram save/restore */
2487

    
2488
/* we just avoid storing empty pages */
2489
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2490
{
2491
    int i, v;
2492

    
2493
    v = buf[0];
2494
    for(i = 1; i < len; i++) {
2495
        if (buf[i] != v)
2496
            goto normal_save;
2497
    }
2498
    qemu_put_byte(f, 1);
2499
    qemu_put_byte(f, v);
2500
    return;
2501
 normal_save:
2502
    qemu_put_byte(f, 0); 
2503
    qemu_put_buffer(f, buf, len);
2504
}
2505

    
2506
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2507
{
2508
    int v;
2509

    
2510
    v = qemu_get_byte(f);
2511
    switch(v) {
2512
    case 0:
2513
        if (qemu_get_buffer(f, buf, len) != len)
2514
            return -EIO;
2515
        break;
2516
    case 1:
2517
        v = qemu_get_byte(f);
2518
        memset(buf, v, len);
2519
        break;
2520
    default:
2521
        return -EINVAL;
2522
    }
2523
    return 0;
2524
}
2525

    
2526
static void ram_save(QEMUFile *f, void *opaque)
2527
{
2528
    int i;
2529
    qemu_put_be32(f, phys_ram_size);
2530
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2531
        ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2532
    }
2533
}
2534

    
2535
static int ram_load(QEMUFile *f, void *opaque, int version_id)
2536
{
2537
    int i, ret;
2538

    
2539
    if (version_id != 1)
2540
        return -EINVAL;
2541
    if (qemu_get_be32(f) != phys_ram_size)
2542
        return -EINVAL;
2543
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2544
        ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2545
        if (ret)
2546
            return ret;
2547
    }
2548
    return 0;
2549
}
2550

    
2551
/***********************************************************/
2552
/* machine registration */
2553

    
2554
QEMUMachine *first_machine = NULL;
2555

    
2556
int qemu_register_machine(QEMUMachine *m)
2557
{
2558
    QEMUMachine **pm;
2559
    pm = &first_machine;
2560
    while (*pm != NULL)
2561
        pm = &(*pm)->next;
2562
    m->next = NULL;
2563
    *pm = m;
2564
    return 0;
2565
}
2566

    
2567
QEMUMachine *find_machine(const char *name)
2568
{
2569
    QEMUMachine *m;
2570

    
2571
    for(m = first_machine; m != NULL; m = m->next) {
2572
        if (!strcmp(m->name, name))
2573
            return m;
2574
    }
2575
    return NULL;
2576
}
2577

    
2578
/***********************************************************/
2579
/* main execution loop */
2580

    
2581
void gui_update(void *opaque)
2582
{
2583
    display_state.dpy_refresh(&display_state);
2584
    qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2585
}
2586

    
2587
/* XXX: support several handlers */
2588
VMStopHandler *vm_stop_cb;
2589
VMStopHandler *vm_stop_opaque;
2590

    
2591
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2592
{
2593
    vm_stop_cb = cb;
2594
    vm_stop_opaque = opaque;
2595
    return 0;
2596
}
2597

    
2598
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2599
{
2600
    vm_stop_cb = NULL;
2601
}
2602

    
2603
void vm_start(void)
2604
{
2605
    if (!vm_running) {
2606
        cpu_enable_ticks();
2607
        vm_running = 1;
2608
    }
2609
}
2610

    
2611
void vm_stop(int reason) 
2612
{
2613
    if (vm_running) {
2614
        cpu_disable_ticks();
2615
        vm_running = 0;
2616
        if (reason != 0) {
2617
            if (vm_stop_cb) {
2618
                vm_stop_cb(vm_stop_opaque, reason);
2619
            }
2620
        }
2621
    }
2622
}
2623

    
2624
/* reset/shutdown handler */
2625

    
2626
typedef struct QEMUResetEntry {
2627
    QEMUResetHandler *func;
2628
    void *opaque;
2629
    struct QEMUResetEntry *next;
2630
} QEMUResetEntry;
2631

    
2632
static QEMUResetEntry *first_reset_entry;
2633
static int reset_requested;
2634
static int shutdown_requested;
2635
static int powerdown_requested;
2636

    
2637
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2638
{
2639
    QEMUResetEntry **pre, *re;
2640

    
2641
    pre = &first_reset_entry;
2642
    while (*pre != NULL)
2643
        pre = &(*pre)->next;
2644
    re = qemu_mallocz(sizeof(QEMUResetEntry));
2645
    re->func = func;
2646
    re->opaque = opaque;
2647
    re->next = NULL;
2648
    *pre = re;
2649
}
2650

    
2651
void qemu_system_reset(void)
2652
{
2653
    QEMUResetEntry *re;
2654

    
2655
    /* reset all devices */
2656
    for(re = first_reset_entry; re != NULL; re = re->next) {
2657
        re->func(re->opaque);
2658
    }
2659
}
2660

    
2661
void qemu_system_reset_request(void)
2662
{
2663
    reset_requested = 1;
2664
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2665
}
2666

    
2667
void qemu_system_shutdown_request(void)
2668
{
2669
    shutdown_requested = 1;
2670
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2671
}
2672

    
2673
void qemu_system_powerdown_request(void)
2674
{
2675
    powerdown_requested = 1;
2676
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2677
}
2678

    
2679
static void main_cpu_reset(void *opaque)
2680
{
2681
#if defined(TARGET_I386) || defined(TARGET_SPARC)
2682
    CPUState *env = opaque;
2683
    cpu_reset(env);
2684
#endif
2685
}
2686

    
2687
void main_loop_wait(int timeout)
2688
{
2689
#ifndef _WIN32
2690
    struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2691
    IOHandlerRecord *ioh, *ioh_next;
2692
    uint8_t buf[4096];
2693
    int n, max_size;
2694
#endif
2695
    int ret;
2696

    
2697
#ifdef _WIN32
2698
        if (timeout > 0)
2699
            Sleep(timeout);
2700
#else
2701
        /* poll any events */
2702
        /* XXX: separate device handlers from system ones */
2703
        pf = ufds;
2704
        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2705
            if (!ioh->fd_can_read) {
2706
                max_size = 0;
2707
                pf->fd = ioh->fd;
2708
                pf->events = POLLIN;
2709
                ioh->ufd = pf;
2710
                pf++;
2711
            } else {
2712
                max_size = ioh->fd_can_read(ioh->opaque);
2713
                if (max_size > 0) {
2714
                    if (max_size > sizeof(buf))
2715
                        max_size = sizeof(buf);
2716
                    pf->fd = ioh->fd;
2717
                    pf->events = POLLIN;
2718
                    ioh->ufd = pf;
2719
                    pf++;
2720
                } else {
2721
                    ioh->ufd = NULL;
2722
                }
2723
            }
2724
            ioh->max_size = max_size;
2725
        }
2726
        
2727
        ret = poll(ufds, pf - ufds, timeout);
2728
        if (ret > 0) {
2729
            /* XXX: better handling of removal */
2730
            for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2731
                ioh_next = ioh->next;
2732
                pf = ioh->ufd;
2733
                if (pf) {
2734
                    if (pf->revents & POLLIN) {
2735
                        if (ioh->max_size == 0) {
2736
                            /* just a read event */
2737
                            ioh->fd_read(ioh->opaque, NULL, 0);
2738
                        } else {
2739
                            n = read(ioh->fd, buf, ioh->max_size);
2740
                            if (n >= 0) {
2741
                                ioh->fd_read(ioh->opaque, buf, n);
2742
                            } else if (errno != EAGAIN) {
2743
                                ioh->fd_read(ioh->opaque, NULL, -errno);
2744
                            }
2745
                        }
2746
                    }
2747
                }
2748
            }
2749
        }
2750
#endif /* !defined(_WIN32) */
2751
#if defined(CONFIG_SLIRP)
2752
        /* XXX: merge with poll() */
2753
        if (slirp_inited) {
2754
            fd_set rfds, wfds, xfds;
2755
            int nfds;
2756
            struct timeval tv;
2757

    
2758
            nfds = -1;
2759
            FD_ZERO(&rfds);
2760
            FD_ZERO(&wfds);
2761
            FD_ZERO(&xfds);
2762
            slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2763
            tv.tv_sec = 0;
2764
            tv.tv_usec = 0;
2765
            ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2766
            if (ret >= 0) {
2767
                slirp_select_poll(&rfds, &wfds, &xfds);
2768
            }
2769
        }
2770
#endif
2771

    
2772
        if (vm_running) {
2773
            qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], 
2774
                            qemu_get_clock(vm_clock));
2775
            /* run dma transfers, if any */
2776
            DMA_run();
2777
        }
2778

    
2779
        /* real time timers */
2780
        qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], 
2781
                        qemu_get_clock(rt_clock));
2782
}
2783

    
2784
int main_loop(void)
2785
{
2786
    int ret, timeout;
2787
    CPUState *env = global_env;
2788

    
2789
    for(;;) {
2790
        if (vm_running) {
2791
            ret = cpu_exec(env);
2792
            if (shutdown_requested) {
2793
                ret = EXCP_INTERRUPT;
2794
                break;
2795
            }
2796
            if (reset_requested) {
2797
                reset_requested = 0;
2798
                qemu_system_reset();
2799
                ret = EXCP_INTERRUPT;
2800
            }
2801
            if (powerdown_requested) {
2802
                powerdown_requested = 0;
2803
                qemu_system_powerdown();
2804
                ret = EXCP_INTERRUPT;
2805
            }
2806
            if (ret == EXCP_DEBUG) {
2807
                vm_stop(EXCP_DEBUG);
2808
            }
2809
            /* if hlt instruction, we wait until the next IRQ */
2810
            /* XXX: use timeout computed from timers */
2811
            if (ret == EXCP_HLT)
2812
                timeout = 10;
2813
            else
2814
                timeout = 0;
2815
        } else {
2816
            timeout = 10;
2817
        }
2818
        main_loop_wait(timeout);
2819
    }
2820
    cpu_disable_ticks();
2821
    return ret;
2822
}
2823

    
2824
void help(void)
2825
{
2826
    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
2827
           "usage: %s [options] [disk_image]\n"
2828
           "\n"
2829
           "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2830
           "\n"
2831
           "Standard options:\n"
2832
           "-M machine      select emulated machine (-M ? for list)\n"
2833
           "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n"
2834
           "-hda/-hdb file  use 'file' as IDE hard disk 0/1 image\n"
2835
           "-hdc/-hdd file  use 'file' as IDE hard disk 2/3 image\n"
2836
           "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2837
           "-boot [a|c|d]   boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2838
           "-snapshot       write to temporary files instead of disk image files\n"
2839
           "-m megs         set virtual RAM size to megs MB [default=%d]\n"
2840
           "-nographic      disable graphical output and redirect serial I/Os to console\n"
2841
#ifndef _WIN32
2842
           "-k language     use keyboard layout (for example \"fr\" for French)\n"
2843
#endif
2844
#ifdef HAS_AUDIO
2845
           "-enable-audio   enable audio support, and all the sound cars\n"
2846
           "-audio-help     print list of audio drivers and their options\n"
2847
           "-soundhw c1,... enable audio support\n"
2848
           "                and only specified sound cards (comma separated list)\n"
2849
           "                use -soundhw ? to get the list of supported cards\n"
2850
#endif
2851
           "-localtime      set the real time clock to local time [default=utc]\n"
2852
           "-full-screen    start in full screen\n"
2853
#ifdef TARGET_I386
2854
           "-win2k-hack     use it when installing Windows 2000 to avoid a disk full bug\n"
2855
#endif
2856
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
2857
           "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
2858
#endif
2859
           "\n"
2860
           "Network options:\n"
2861
           "-nics n         simulate 'n' network cards [default=1]\n"
2862
           "-macaddr addr   set the mac address of the first interface\n"
2863
           "-n script       set tap/tun network init script [default=%s]\n"
2864
           "-tun-fd fd      use this fd as already opened tap/tun interface\n"
2865
#ifdef CONFIG_SLIRP
2866
           "-user-net       use user mode network stack [default if no tap/tun script]\n"
2867
           "-tftp prefix    allow tftp access to files starting with prefix [-user-net]\n"
2868
#ifndef _WIN32
2869
           "-smb dir        allow SMB access to files in 'dir' [-user-net]\n"
2870
#endif
2871
           "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2872
           "                redirect TCP or UDP connections from host to guest [-user-net]\n"
2873
#endif
2874
           "-dummy-net      use dummy network stack\n"
2875
           "\n"
2876
           "Linux boot specific:\n"
2877
           "-kernel bzImage use 'bzImage' as kernel image\n"
2878
           "-append cmdline use 'cmdline' as kernel command line\n"
2879
           "-initrd file    use 'file' as initial ram disk\n"
2880
           "\n"
2881
           "Debug/Expert options:\n"
2882
           "-monitor dev    redirect the monitor to char device 'dev'\n"
2883
           "-serial dev     redirect the serial port to char device 'dev'\n"
2884
           "-parallel dev   redirect the parallel port to char device 'dev'\n"
2885
           "-pidfile file   Write PID to 'file'\n"
2886
           "-S              freeze CPU at startup (use 'c' to start execution)\n"
2887
           "-s              wait gdb connection to port %d\n"
2888
           "-p port         change gdb connection port\n"
2889
           "-d item1,...    output log to %s (use -d ? for a list of log items)\n"
2890
           "-hdachs c,h,s[,t]  force hard disk 0 physical geometry and the optional BIOS\n"
2891
           "                translation (t=none or lba) (usually qemu can guess them)\n"
2892
           "-L path         set the directory for the BIOS and VGA BIOS\n"
2893
#ifdef USE_KQEMU
2894
           "-no-kqemu       disable KQEMU kernel module usage\n"
2895
#endif
2896
#ifdef USE_CODE_COPY
2897
           "-no-code-copy   disable code copy acceleration\n"
2898
#endif
2899
#ifdef TARGET_I386
2900
           "-isa            simulate an ISA-only system (default is PCI system)\n"
2901
           "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
2902
           "                (default is CL-GD5446 PCI VGA)\n"
2903
#endif
2904
           "-loadvm file    start right away with a saved state (loadvm in monitor)\n"
2905
           "\n"
2906
           "During emulation, the following keys are useful:\n"
2907
           "ctrl-alt-f      toggle full screen\n"
2908
           "ctrl-alt-n      switch to virtual console 'n'\n"
2909
           "ctrl-alt        toggle mouse and keyboard grab\n"
2910
           "\n"
2911
           "When using -nographic, press 'ctrl-a h' to get some help.\n"
2912
           ,
2913
#ifdef CONFIG_SOFTMMU
2914
           "qemu",
2915
#else
2916
           "qemu-fast",
2917
#endif
2918
           DEFAULT_RAM_SIZE,
2919
           DEFAULT_NETWORK_SCRIPT,
2920
           DEFAULT_GDBSTUB_PORT,
2921
           "/tmp/qemu.log");
2922
#ifndef CONFIG_SOFTMMU
2923
    printf("\n"
2924
           "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2925
           "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2926
           "PC emulation.\n");
2927
#endif
2928
    exit(1);
2929
}
2930

    
2931
#define HAS_ARG 0x0001
2932

    
2933
enum {
2934
    QEMU_OPTION_h,
2935

    
2936
    QEMU_OPTION_M,
2937
    QEMU_OPTION_fda,
2938
    QEMU_OPTION_fdb,
2939
    QEMU_OPTION_hda,
2940
    QEMU_OPTION_hdb,
2941
    QEMU_OPTION_hdc,
2942
    QEMU_OPTION_hdd,
2943
    QEMU_OPTION_cdrom,
2944
    QEMU_OPTION_boot,
2945
    QEMU_OPTION_snapshot,
2946
    QEMU_OPTION_m,
2947
    QEMU_OPTION_nographic,
2948
#ifdef HAS_AUDIO
2949
    QEMU_OPTION_enable_audio,
2950
    QEMU_OPTION_audio_help,
2951
    QEMU_OPTION_soundhw,
2952
#endif
2953

    
2954
    QEMU_OPTION_nics,
2955
    QEMU_OPTION_macaddr,
2956
    QEMU_OPTION_n,
2957
    QEMU_OPTION_tun_fd,
2958
    QEMU_OPTION_user_net,
2959
    QEMU_OPTION_tftp,
2960
    QEMU_OPTION_smb,
2961
    QEMU_OPTION_redir,
2962
    QEMU_OPTION_dummy_net,
2963

    
2964
    QEMU_OPTION_kernel,
2965
    QEMU_OPTION_append,
2966
    QEMU_OPTION_initrd,
2967

    
2968
    QEMU_OPTION_S,
2969
    QEMU_OPTION_s,
2970
    QEMU_OPTION_p,
2971
    QEMU_OPTION_d,
2972
    QEMU_OPTION_hdachs,
2973
    QEMU_OPTION_L,
2974
    QEMU_OPTION_no_code_copy,
2975
    QEMU_OPTION_pci,
2976
    QEMU_OPTION_isa,
2977
    QEMU_OPTION_prep,
2978
    QEMU_OPTION_k,
2979
    QEMU_OPTION_localtime,
2980
    QEMU_OPTION_cirrusvga,
2981
    QEMU_OPTION_g,
2982
    QEMU_OPTION_std_vga,
2983
    QEMU_OPTION_monitor,
2984
    QEMU_OPTION_serial,
2985
    QEMU_OPTION_parallel,
2986
    QEMU_OPTION_loadvm,
2987
    QEMU_OPTION_full_screen,
2988
    QEMU_OPTION_pidfile,
2989
    QEMU_OPTION_no_kqemu,
2990
    QEMU_OPTION_win2k_hack,
2991
    QEMU_OPTION_usb,
2992
};
2993

    
2994
typedef struct QEMUOption {
2995
    const char *name;
2996
    int flags;
2997
    int index;
2998
} QEMUOption;
2999

    
3000
const QEMUOption qemu_options[] = {
3001
    { "h", 0, QEMU_OPTION_h },
3002

    
3003
    { "M", HAS_ARG, QEMU_OPTION_M },
3004
    { "fda", HAS_ARG, QEMU_OPTION_fda },
3005
    { "fdb", HAS_ARG, QEMU_OPTION_fdb },
3006
    { "hda", HAS_ARG, QEMU_OPTION_hda },
3007
    { "hdb", HAS_ARG, QEMU_OPTION_hdb },
3008
    { "hdc", HAS_ARG, QEMU_OPTION_hdc },
3009
    { "hdd", HAS_ARG, QEMU_OPTION_hdd },
3010
    { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
3011
    { "boot", HAS_ARG, QEMU_OPTION_boot },
3012
    { "snapshot", 0, QEMU_OPTION_snapshot },
3013
    { "m", HAS_ARG, QEMU_OPTION_m },
3014
    { "nographic", 0, QEMU_OPTION_nographic },
3015
    { "k", HAS_ARG, QEMU_OPTION_k },
3016
#ifdef HAS_AUDIO
3017
    { "enable-audio", 0, QEMU_OPTION_enable_audio },
3018
    { "audio-help", 0, QEMU_OPTION_audio_help },
3019
    { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
3020
#endif
3021

    
3022
    { "nics", HAS_ARG, QEMU_OPTION_nics},
3023
    { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
3024
    { "n", HAS_ARG, QEMU_OPTION_n },
3025
    { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
3026
#ifdef CONFIG_SLIRP
3027
    { "user-net", 0, QEMU_OPTION_user_net },
3028
    { "tftp", HAS_ARG, QEMU_OPTION_tftp },
3029
#ifndef _WIN32
3030
    { "smb", HAS_ARG, QEMU_OPTION_smb },
3031
#endif
3032
    { "redir", HAS_ARG, QEMU_OPTION_redir },
3033
#endif
3034
    { "dummy-net", 0, QEMU_OPTION_dummy_net },
3035

    
3036
    { "kernel", HAS_ARG, QEMU_OPTION_kernel },
3037
    { "append", HAS_ARG, QEMU_OPTION_append },
3038
    { "initrd", HAS_ARG, QEMU_OPTION_initrd },
3039

    
3040
    { "S", 0, QEMU_OPTION_S },
3041
    { "s", 0, QEMU_OPTION_s },
3042
    { "p", HAS_ARG, QEMU_OPTION_p },
3043
    { "d", HAS_ARG, QEMU_OPTION_d },
3044
    { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
3045
    { "L", HAS_ARG, QEMU_OPTION_L },
3046
    { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
3047
#ifdef USE_KQEMU
3048
    { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
3049
#endif
3050
#ifdef TARGET_PPC
3051
    { "prep", 0, QEMU_OPTION_prep },
3052
#endif
3053
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
3054
    { "g", 1, QEMU_OPTION_g },
3055
#endif
3056
    { "localtime", 0, QEMU_OPTION_localtime },
3057
    { "isa", 0, QEMU_OPTION_isa },
3058
    { "std-vga", 0, QEMU_OPTION_std_vga },
3059
    { "monitor", 1, QEMU_OPTION_monitor },
3060
    { "serial", 1, QEMU_OPTION_serial },
3061
    { "parallel", 1, QEMU_OPTION_parallel },
3062
    { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
3063
    { "full-screen", 0, QEMU_OPTION_full_screen },
3064
    { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
3065
    { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
3066
    { "usb", 0, QEMU_OPTION_usb },
3067
    
3068
    /* temporary options */
3069
    { "pci", 0, QEMU_OPTION_pci },
3070
    { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
3071
    { NULL },
3072
};
3073

    
3074
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3075

    
3076
/* this stack is only used during signal handling */
3077
#define SIGNAL_STACK_SIZE 32768
3078

    
3079
static uint8_t *signal_stack;
3080

    
3081
#endif
3082

    
3083
/* password input */
3084

    
3085
static BlockDriverState *get_bdrv(int index)
3086
{
3087
    BlockDriverState *bs;
3088

    
3089
    if (index < 4) {
3090
        bs = bs_table[index];
3091
    } else if (index < 6) {
3092
        bs = fd_table[index - 4];
3093
    } else {
3094
        bs = NULL;
3095
    }
3096
    return bs;
3097
}
3098

    
3099
static void read_passwords(void)
3100
{
3101
    BlockDriverState *bs;
3102
    int i, j;
3103
    char password[256];
3104

    
3105
    for(i = 0; i < 6; i++) {
3106
        bs = get_bdrv(i);
3107
        if (bs && bdrv_is_encrypted(bs)) {
3108
            term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
3109
            for(j = 0; j < 3; j++) {
3110
                monitor_readline("Password: ", 
3111
                                 1, password, sizeof(password));
3112
                if (bdrv_set_key(bs, password) == 0)
3113
                    break;
3114
                term_printf("invalid password\n");
3115
            }
3116
        }
3117
    }
3118
}
3119

    
3120
/* XXX: currently we cannot use simultaneously different CPUs */
3121
void register_machines(void)
3122
{
3123
#if defined(TARGET_I386)
3124
    qemu_register_machine(&pc_machine);
3125
#elif defined(TARGET_PPC)
3126
    qemu_register_machine(&heathrow_machine);
3127
    qemu_register_machine(&core99_machine);
3128
    qemu_register_machine(&prep_machine);
3129
#elif defined(TARGET_MIPS)
3130
    qemu_register_machine(&mips_machine);
3131
#elif defined(TARGET_SPARC)
3132
#ifdef TARGET_SPARC64
3133
    qemu_register_machine(&sun4u_machine);
3134
#else
3135
    qemu_register_machine(&sun4m_machine);
3136
#endif
3137
#endif
3138
}
3139

    
3140
#ifdef HAS_AUDIO
3141
static void select_soundhw (const char *optarg)
3142
{
3143
    if (*optarg == '?') {
3144
    show_valid_cards:
3145
        printf ("Valid sound card names (comma separated):\n");
3146
        printf ("sb16       Creative Sound Blaster 16\n");
3147
#ifdef CONFIG_ADLIB
3148
#ifdef HAS_YMF262
3149
        printf ("adlib      Yamaha YMF262 (OPL3)\n");
3150
#else
3151
        printf ("adlib      Yamaha YM3812 (OPL2)\n");
3152
#endif
3153
#endif
3154
#ifdef CONFIG_GUS
3155
        printf ("gus        Gravis Ultrasound GF1\n");
3156
#endif
3157
        printf ("es1370     ENSONIQ AudioPCI ES1370\n");
3158
        exit (*optarg != '?');
3159
    }
3160
    else {
3161
        struct {
3162
            char *name;
3163
            int *enabledp;
3164
        } soundhw_tab[] = {
3165
            { "sb16", &sb16_enabled },
3166
#ifdef CONFIG_ADLIB
3167
            { "adlib", &adlib_enabled },
3168
#endif
3169
#ifdef CONFIG_GUS
3170
            { "gus", &gus_enabled },
3171
#endif
3172
            { "es1370", &es1370_enabled },
3173
        };
3174
        size_t tablen, l, i;
3175
        const char *p;
3176
        char *e;
3177
        int bad_card = 0;
3178

    
3179
        p = optarg;
3180
        tablen = sizeof (soundhw_tab) / sizeof (soundhw_tab[0]);
3181

    
3182
        while (*p) {
3183
            e = strchr (p, ',');
3184
            l = !e ? strlen (p) : (size_t) (e - p);
3185
            for (i = 0; i < tablen; ++i) {
3186
                if (!strncmp (soundhw_tab[i].name, p, l)) {
3187
                    audio_enabled = 1;
3188
                    *soundhw_tab[i].enabledp = 1;
3189
                    break;
3190
                }
3191
            }
3192
            if (i == tablen) {
3193
                if (l > 80) {
3194
                    fprintf (stderr,
3195
                             "Unknown sound card name (too big to show)\n");
3196
                }
3197
                else {
3198
                    fprintf (stderr, "Unknown sound card name `%.*s'\n",
3199
                             (int) l, p);
3200
                }
3201
                bad_card = 1;
3202
            }
3203
            p += l + (e != NULL);
3204
        }
3205

    
3206
        if (bad_card)
3207
            goto show_valid_cards;
3208
    }
3209
}
3210
#endif
3211

    
3212
#define NET_IF_TUN   0
3213
#define NET_IF_USER  1
3214
#define NET_IF_DUMMY 2
3215

    
3216
int main(int argc, char **argv)
3217
{
3218
#ifdef CONFIG_GDBSTUB
3219
    int use_gdbstub, gdbstub_port;
3220
#endif
3221
    int i, cdrom_index;
3222
    int snapshot, linux_boot;
3223
    CPUState *env;
3224
    const char *initrd_filename;
3225
    const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
3226
    const char *kernel_filename, *kernel_cmdline;
3227
    DisplayState *ds = &display_state;
3228
    int cyls, heads, secs, translation;
3229
    int start_emulation = 1;
3230
    uint8_t macaddr[6];
3231
    int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
3232
    int optind;
3233
    const char *r, *optarg;
3234
    CharDriverState *monitor_hd;
3235
    char monitor_device[128];
3236
    char serial_devices[MAX_SERIAL_PORTS][128];
3237
    int serial_device_index;
3238
    char parallel_devices[MAX_PARALLEL_PORTS][128];
3239
    int parallel_device_index;
3240
    const char *loadvm = NULL;
3241
    QEMUMachine *machine;
3242

    
3243
#if !defined(CONFIG_SOFTMMU)
3244
    /* we never want that malloc() uses mmap() */
3245
    mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
3246
#endif
3247
    register_machines();
3248
    machine = first_machine;
3249
    initrd_filename = NULL;
3250
    for(i = 0; i < MAX_FD; i++)
3251
        fd_filename[i] = NULL;
3252
    for(i = 0; i < MAX_DISKS; i++)
3253
        hd_filename[i] = NULL;
3254
    ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3255
    vga_ram_size = VGA_RAM_SIZE;
3256
    bios_size = BIOS_SIZE;
3257
    pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
3258
#ifdef CONFIG_GDBSTUB
3259
    use_gdbstub = 0;
3260
    gdbstub_port = DEFAULT_GDBSTUB_PORT;
3261
#endif
3262
    snapshot = 0;
3263
    nographic = 0;
3264
    kernel_filename = NULL;
3265
    kernel_cmdline = "";
3266
#ifdef TARGET_PPC
3267
    cdrom_index = 1;
3268
#else
3269
    cdrom_index = 2;
3270
#endif
3271
    cyls = heads = secs = 0;
3272
    translation = BIOS_ATA_TRANSLATION_AUTO;
3273
    pstrcpy(monitor_device, sizeof(monitor_device), "vc");
3274

    
3275
    pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
3276
    for(i = 1; i < MAX_SERIAL_PORTS; i++)
3277
        serial_devices[i][0] = '\0';
3278
    serial_device_index = 0;
3279
    
3280
    pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
3281
    for(i = 1; i < MAX_PARALLEL_PORTS; i++)
3282
        parallel_devices[i][0] = '\0';
3283
    parallel_device_index = 0;
3284
    
3285
    nb_tun_fds = 0;
3286
    net_if_type = -1;
3287
    nb_nics = 1;
3288
    /* default mac address of the first network interface */
3289
    macaddr[0] = 0x52;
3290
    macaddr[1] = 0x54;
3291
    macaddr[2] = 0x00;
3292
    macaddr[3] = 0x12;
3293
    macaddr[4] = 0x34;
3294
    macaddr[5] = 0x56;
3295
    
3296
    optind = 1;
3297
    for(;;) {
3298
        if (optind >= argc)
3299
            break;
3300
        r = argv[optind];
3301
        if (r[0] != '-') {
3302
            hd_filename[0] = argv[optind++];
3303
        } else {
3304
            const QEMUOption *popt;
3305

    
3306
            optind++;
3307
            popt = qemu_options;
3308
            for(;;) {
3309
                if (!popt->name) {
3310
                    fprintf(stderr, "%s: invalid option -- '%s'\n", 
3311
                            argv[0], r);
3312
                    exit(1);
3313
                }
3314
                if (!strcmp(popt->name, r + 1))
3315
                    break;
3316
                popt++;
3317
            }
3318
            if (popt->flags & HAS_ARG) {
3319
                if (optind >= argc) {
3320
                    fprintf(stderr, "%s: option '%s' requires an argument\n",
3321
                            argv[0], r);
3322
                    exit(1);
3323
                }
3324
                optarg = argv[optind++];
3325
            } else {
3326
                optarg = NULL;
3327
            }
3328

    
3329
            switch(popt->index) {
3330
            case QEMU_OPTION_M:
3331
                machine = find_machine(optarg);
3332
                if (!machine) {
3333
                    QEMUMachine *m;
3334
                    printf("Supported machines are:\n");
3335
                    for(m = first_machine; m != NULL; m = m->next) {
3336
                        printf("%-10s %s%s\n",
3337
                               m->name, m->desc, 
3338
                               m == first_machine ? " (default)" : "");
3339
                    }
3340
                    exit(1);
3341
                }
3342
                break;
3343
            case QEMU_OPTION_initrd:
3344
                initrd_filename = optarg;
3345
                break;
3346
            case QEMU_OPTION_hda:
3347
            case QEMU_OPTION_hdb:
3348
            case QEMU_OPTION_hdc:
3349
            case QEMU_OPTION_hdd:
3350
                {
3351
                    int hd_index;
3352
                    hd_index = popt->index - QEMU_OPTION_hda;
3353
                    hd_filename[hd_index] = optarg;
3354
                    if (hd_index == cdrom_index)
3355
                        cdrom_index = -1;
3356
                }
3357
                break;
3358
            case QEMU_OPTION_snapshot:
3359
                snapshot = 1;
3360
                break;
3361
            case QEMU_OPTION_hdachs:
3362
                {
3363
                    const char *p;
3364
                    p = optarg;
3365
                    cyls = strtol(p, (char **)&p, 0);
3366
                    if (cyls < 1 || cyls > 16383)
3367
                        goto chs_fail;
3368
                    if (*p != ',')
3369
                        goto chs_fail;
3370
                    p++;
3371
                    heads = strtol(p, (char **)&p, 0);
3372
                    if (heads < 1 || heads > 16)
3373
                        goto chs_fail;
3374
                    if (*p != ',')
3375
                        goto chs_fail;
3376
                    p++;
3377
                    secs = strtol(p, (char **)&p, 0);
3378
                    if (secs < 1 || secs > 63)
3379
                        goto chs_fail;
3380
                    if (*p == ',') {
3381
                        p++;
3382
                        if (!strcmp(p, "none"))
3383
                            translation = BIOS_ATA_TRANSLATION_NONE;
3384
                        else if (!strcmp(p, "lba"))
3385
                            translation = BIOS_ATA_TRANSLATION_LBA;
3386
                        else if (!strcmp(p, "auto"))
3387
                            translation = BIOS_ATA_TRANSLATION_AUTO;
3388
                        else
3389
                            goto chs_fail;
3390
                    } else if (*p != '\0') {
3391
                    chs_fail:
3392
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3393
                        exit(1);
3394
                    }
3395
                }
3396
                break;
3397
            case QEMU_OPTION_nographic:
3398
                pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
3399
                pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
3400
                nographic = 1;
3401
                break;
3402
            case QEMU_OPTION_kernel:
3403
                kernel_filename = optarg;
3404
                break;
3405
            case QEMU_OPTION_append:
3406
                kernel_cmdline = optarg;
3407
                break;
3408
            case QEMU_OPTION_tun_fd:
3409
                {
3410
                    const char *p;
3411
                    int fd;
3412
                    net_if_type = NET_IF_TUN;
3413
                    if (nb_tun_fds < MAX_NICS) {
3414
                        fd = strtol(optarg, (char **)&p, 0);
3415
                        if (*p != '\0') {
3416
                            fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
3417
                            exit(1);
3418
                        }
3419
                        tun_fds[nb_tun_fds++] = fd;
3420
                    }
3421
                }
3422
                break;
3423
            case QEMU_OPTION_cdrom:
3424
                if (cdrom_index >= 0) {
3425
                    hd_filename[cdrom_index] = optarg;
3426
                }
3427
                break;
3428
            case QEMU_OPTION_boot:
3429
                boot_device = optarg[0];
3430
                if (boot_device != 'a' && 
3431
#ifdef TARGET_SPARC
3432
                    // Network boot
3433
                    boot_device != 'n' &&
3434
#endif
3435
                    boot_device != 'c' && boot_device != 'd') {
3436
                    fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
3437
                    exit(1);
3438
                }
3439
                break;
3440
            case QEMU_OPTION_fda:
3441
                fd_filename[0] = optarg;
3442
                break;
3443
            case QEMU_OPTION_fdb:
3444
                fd_filename[1] = optarg;
3445
                break;
3446
            case QEMU_OPTION_no_code_copy:
3447
                code_copy_enabled = 0;
3448
                break;
3449
            case QEMU_OPTION_nics:
3450
                nb_nics = atoi(optarg);
3451
                if (nb_nics < 0 || nb_nics > MAX_NICS) {
3452
                    fprintf(stderr, "qemu: invalid number of network interfaces\n");
3453
                    exit(1);
3454
                }
3455
                break;
3456
            case QEMU_OPTION_macaddr:
3457
                {
3458
                    const char *p;
3459
                    int i;
3460
                    p = optarg;
3461
                    for(i = 0; i < 6; i++) {
3462
                        macaddr[i] = strtol(p, (char **)&p, 16);
3463
                        if (i == 5) {
3464
                            if (*p != '\0') 
3465
                                goto macaddr_error;
3466
                        } else {
3467
                            if (*p != ':') {
3468
                            macaddr_error:
3469
                                fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
3470
                                exit(1);
3471
                            }
3472
                            p++;
3473
                        }
3474
                    }
3475
                }
3476
                break;
3477
#ifdef CONFIG_SLIRP
3478
            case QEMU_OPTION_tftp:
3479
                tftp_prefix = optarg;
3480
                break;
3481
#ifndef _WIN32
3482
            case QEMU_OPTION_smb:
3483
                net_slirp_smb(optarg);
3484
                break;
3485
#endif
3486
            case QEMU_OPTION_user_net:
3487
                net_if_type = NET_IF_USER;
3488
                break;
3489
            case QEMU_OPTION_redir:
3490
                net_slirp_redir(optarg);                
3491
                break;
3492
#endif
3493
            case QEMU_OPTION_dummy_net:
3494
                net_if_type = NET_IF_DUMMY;
3495
                break;
3496
#ifdef HAS_AUDIO
3497
            case QEMU_OPTION_enable_audio:
3498
                audio_enabled = 1;
3499
                sb16_enabled = 1;
3500
                adlib_enabled = 1;
3501
                gus_enabled = 1;
3502
                es1370_enabled = 1;
3503
                break;
3504
            case QEMU_OPTION_audio_help:
3505
                AUD_help ();
3506
                exit (0);
3507
                break;
3508
            case QEMU_OPTION_soundhw:
3509
                select_soundhw (optarg);
3510
                break;
3511
#endif
3512
            case QEMU_OPTION_h:
3513
                help();
3514
                break;
3515
            case QEMU_OPTION_m:
3516
                ram_size = atoi(optarg) * 1024 * 1024;
3517
                if (ram_size <= 0)
3518
                    help();
3519
                if (ram_size > PHYS_RAM_MAX_SIZE) {
3520
                    fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
3521
                            PHYS_RAM_MAX_SIZE / (1024 * 1024));
3522
                    exit(1);
3523
                }
3524
                break;
3525
            case QEMU_OPTION_d:
3526
                {
3527
                    int mask;
3528
                    CPULogItem *item;
3529
                    
3530
                    mask = cpu_str_to_log_mask(optarg);
3531
                    if (!mask) {
3532
                        printf("Log items (comma separated):\n");
3533
                    for(item = cpu_log_items; item->mask != 0; item++) {
3534
                        printf("%-10s %s\n", item->name, item->help);
3535
                    }
3536
                    exit(1);
3537
                    }
3538
                    cpu_set_log(mask);
3539
                }
3540
                break;
3541
            case QEMU_OPTION_n:
3542
                pstrcpy(network_script, sizeof(network_script), optarg);
3543
                break;
3544
#ifdef CONFIG_GDBSTUB
3545
            case QEMU_OPTION_s:
3546
                use_gdbstub = 1;
3547
                break;
3548
            case QEMU_OPTION_p:
3549
                gdbstub_port = atoi(optarg);
3550
                break;
3551
#endif
3552
            case QEMU_OPTION_L:
3553
                bios_dir = optarg;
3554
                break;
3555
            case QEMU_OPTION_S:
3556
                start_emulation = 0;
3557
                break;
3558
            case QEMU_OPTION_pci:
3559
                pci_enabled = 1;
3560
                break;
3561
            case QEMU_OPTION_isa:
3562
                pci_enabled = 0;
3563
                break;
3564
            case QEMU_OPTION_prep:
3565
                prep_enabled = 1;
3566
                break;
3567
            case QEMU_OPTION_k:
3568
                keyboard_layout = optarg;
3569
                break;
3570
            case QEMU_OPTION_localtime:
3571
                rtc_utc = 0;
3572
                break;
3573
            case QEMU_OPTION_cirrusvga:
3574
                cirrus_vga_enabled = 1;
3575
                break;
3576
            case QEMU_OPTION_std_vga:
3577
                cirrus_vga_enabled = 0;
3578
                break;
3579
            case QEMU_OPTION_g:
3580
                {
3581
                    const char *p;
3582
                    int w, h, depth;
3583
                    p = optarg;
3584
                    w = strtol(p, (char **)&p, 10);
3585
                    if (w <= 0) {
3586
                    graphic_error:
3587
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3588
                        exit(1);
3589
                    }
3590
                    if (*p != 'x')
3591
                        goto graphic_error;
3592
                    p++;
3593
                    h = strtol(p, (char **)&p, 10);
3594
                    if (h <= 0)
3595
                        goto graphic_error;
3596
                    if (*p == 'x') {
3597
                        p++;
3598
                        depth = strtol(p, (char **)&p, 10);
3599
                        if (depth != 8 && depth != 15 && depth != 16 && 
3600
                            depth != 24 && depth != 32)
3601
                            goto graphic_error;
3602
                    } else if (*p == '\0') {
3603
                        depth = graphic_depth;
3604
                    } else {
3605
                        goto graphic_error;
3606
                    }
3607
                    
3608
                    graphic_width = w;
3609
                    graphic_height = h;
3610
                    graphic_depth = depth;
3611
                }
3612
                break;
3613
            case QEMU_OPTION_monitor:
3614
                pstrcpy(monitor_device, sizeof(monitor_device), optarg);
3615
                break;
3616
            case QEMU_OPTION_serial:
3617
                if (serial_device_index >= MAX_SERIAL_PORTS) {
3618
                    fprintf(stderr, "qemu: too many serial ports\n");
3619
                    exit(1);
3620
                }
3621
                pstrcpy(serial_devices[serial_device_index], 
3622
                        sizeof(serial_devices[0]), optarg);
3623
                serial_device_index++;
3624
                break;
3625
            case QEMU_OPTION_parallel:
3626
                if (parallel_device_index >= MAX_PARALLEL_PORTS) {
3627
                    fprintf(stderr, "qemu: too many parallel ports\n");
3628
                    exit(1);
3629
                }
3630
                pstrcpy(parallel_devices[parallel_device_index], 
3631
                        sizeof(parallel_devices[0]), optarg);
3632
                parallel_device_index++;
3633
                break;
3634
            case QEMU_OPTION_loadvm:
3635
                loadvm = optarg;
3636
                break;
3637
            case QEMU_OPTION_full_screen:
3638
                full_screen = 1;
3639
                break;
3640
            case QEMU_OPTION_pidfile:
3641
                create_pidfile(optarg);
3642
                break;
3643
#ifdef TARGET_I386
3644
            case QEMU_OPTION_win2k_hack:
3645
                win2k_install_hack = 1;
3646
                break;
3647
#endif
3648
#ifdef USE_KQEMU
3649
            case QEMU_OPTION_no_kqemu:
3650
                kqemu_allowed = 0;
3651
                break;
3652
#endif
3653
            case QEMU_OPTION_usb:
3654
                usb_enabled = 1;
3655
                break;
3656
            }
3657
        }
3658
    }
3659

    
3660
    linux_boot = (kernel_filename != NULL);
3661
        
3662
    if (!linux_boot && 
3663
        hd_filename[0] == '\0' && 
3664
        (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
3665
        fd_filename[0] == '\0')
3666
        help();
3667
    
3668
    /* boot to cd by default if no hard disk */
3669
    if (hd_filename[0] == '\0' && boot_device == 'c') {
3670
        if (fd_filename[0] != '\0')
3671
            boot_device = 'a';
3672
        else
3673
            boot_device = 'd';
3674
    }
3675

    
3676
#if !defined(CONFIG_SOFTMMU)
3677
    /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3678
    {
3679
        static uint8_t stdout_buf[4096];
3680
        setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
3681
    }
3682
#else
3683
    setvbuf(stdout, NULL, _IOLBF, 0);
3684
#endif
3685

    
3686
    /* init host network redirectors */
3687
    if (net_if_type == -1) {
3688
        net_if_type = NET_IF_TUN;
3689
#if defined(CONFIG_SLIRP)
3690
        if (access(network_script, R_OK) < 0) {
3691
            net_if_type = NET_IF_USER;
3692
        }
3693
#endif
3694
    }
3695

    
3696
    for(i = 0; i < nb_nics; i++) {
3697
        NetDriverState *nd = &nd_table[i];
3698
        nd->index = i;
3699
        /* init virtual mac address */
3700
        nd->macaddr[0] = macaddr[0];
3701
        nd->macaddr[1] = macaddr[1];
3702
        nd->macaddr[2] = macaddr[2];
3703
        nd->macaddr[3] = macaddr[3];
3704
        nd->macaddr[4] = macaddr[4];
3705
        nd->macaddr[5] = macaddr[5] + i;
3706
        switch(net_if_type) {
3707
#if defined(CONFIG_SLIRP)
3708
        case NET_IF_USER:
3709
            net_slirp_init(nd);
3710
            break;
3711
#endif
3712
#if !defined(_WIN32)
3713
        case NET_IF_TUN:
3714
            if (i < nb_tun_fds) {
3715
                net_fd_init(nd, tun_fds[i]);
3716
            } else {
3717
                if (net_tun_init(nd) < 0)
3718
                    net_dummy_init(nd);
3719
            }
3720
            break;
3721
#endif
3722
        case NET_IF_DUMMY:
3723
        default:
3724
            net_dummy_init(nd);
3725
            break;
3726
        }
3727
    }
3728

    
3729
    /* init the memory */
3730
    phys_ram_size = ram_size + vga_ram_size + bios_size;
3731

    
3732
#ifdef CONFIG_SOFTMMU
3733
    phys_ram_base = qemu_vmalloc(phys_ram_size);
3734
    if (!phys_ram_base) {
3735
        fprintf(stderr, "Could not allocate physical memory\n");
3736
        exit(1);
3737
    }
3738
#else
3739
    /* as we must map the same page at several addresses, we must use
3740
       a fd */
3741
    {
3742
        const char *tmpdir;
3743

    
3744
        tmpdir = getenv("QEMU_TMPDIR");
3745
        if (!tmpdir)
3746
            tmpdir = "/tmp";
3747
        snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3748
        if (mkstemp(phys_ram_file) < 0) {
3749
            fprintf(stderr, "Could not create temporary memory file '%s'\n", 
3750
                    phys_ram_file);
3751
            exit(1);
3752
        }
3753
        phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3754
        if (phys_ram_fd < 0) {
3755
            fprintf(stderr, "Could not open temporary memory file '%s'\n", 
3756
                    phys_ram_file);
3757
            exit(1);
3758
        }
3759
        ftruncate(phys_ram_fd, phys_ram_size);
3760
        unlink(phys_ram_file);
3761
        phys_ram_base = mmap(get_mmap_addr(phys_ram_size), 
3762
                             phys_ram_size, 
3763
                             PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, 
3764
                             phys_ram_fd, 0);
3765
        if (phys_ram_base == MAP_FAILED) {
3766
            fprintf(stderr, "Could not map physical memory\n");
3767
            exit(1);
3768
        }
3769
    }
3770
#endif
3771

    
3772
    /* we always create the cdrom drive, even if no disk is there */
3773
    bdrv_init();
3774
    if (cdrom_index >= 0) {
3775
        bs_table[cdrom_index] = bdrv_new("cdrom");
3776
        bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
3777
    }
3778

    
3779
    /* open the virtual block devices */
3780
    for(i = 0; i < MAX_DISKS; i++) {
3781
        if (hd_filename[i]) {
3782
            if (!bs_table[i]) {
3783
                char buf[64];
3784
                snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3785
                bs_table[i] = bdrv_new(buf);
3786
            }
3787
            if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3788
                fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3789
                        hd_filename[i]);
3790
                exit(1);
3791
            }
3792
            if (i == 0 && cyls != 0) {
3793
                bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3794
                bdrv_set_translation_hint(bs_table[i], translation);
3795
            }
3796
        }
3797
    }
3798

    
3799
    /* we always create at least one floppy disk */
3800
    fd_table[0] = bdrv_new("fda");
3801
    bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3802

    
3803
    for(i = 0; i < MAX_FD; i++) {
3804
        if (fd_filename[i]) {
3805
            if (!fd_table[i]) {
3806
                char buf[64];
3807
                snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3808
                fd_table[i] = bdrv_new(buf);
3809
                bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3810
            }
3811
            if (fd_filename[i] != '\0') {
3812
                if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3813
                    fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3814
                            fd_filename[i]);
3815
                    exit(1);
3816
                }
3817
            }
3818
        }
3819
    }
3820

    
3821
    /* init CPU state */
3822
    env = cpu_init();
3823
    global_env = env;
3824
    cpu_single_env = env;
3825

    
3826
    register_savevm("timer", 0, 1, timer_save, timer_load, env);
3827
    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
3828
    register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3829
    qemu_register_reset(main_cpu_reset, global_env);
3830

    
3831
    init_ioports();
3832
    cpu_calibrate_ticks();
3833

    
3834
    /* terminal init */
3835
    if (nographic) {
3836
        dumb_display_init(ds);
3837
    } else {
3838
#if defined(CONFIG_SDL)
3839
        sdl_display_init(ds, full_screen);
3840
#elif defined(CONFIG_COCOA)
3841
        cocoa_display_init(ds, full_screen);
3842
#else
3843
        dumb_display_init(ds);
3844
#endif
3845
    }
3846

    
3847
    vga_console = graphic_console_init(ds);
3848
    
3849
    monitor_hd = qemu_chr_open(monitor_device);
3850
    if (!monitor_hd) {
3851
        fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3852
        exit(1);
3853
    }
3854
    monitor_init(monitor_hd, !nographic);
3855

    
3856
    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
3857
        if (serial_devices[i][0] != '\0') {
3858
            serial_hds[i] = qemu_chr_open(serial_devices[i]);
3859
            if (!serial_hds[i]) {
3860
                fprintf(stderr, "qemu: could not open serial device '%s'\n", 
3861
                        serial_devices[i]);
3862
                exit(1);
3863
            }
3864
            if (!strcmp(serial_devices[i], "vc"))
3865
                qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
3866
        }
3867
    }
3868

    
3869
    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
3870
        if (parallel_devices[i][0] != '\0') {
3871
            parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
3872
            if (!parallel_hds[i]) {
3873
                fprintf(stderr, "qemu: could not open parallel device '%s'\n", 
3874
                        parallel_devices[i]);
3875
                exit(1);
3876
            }
3877
            if (!strcmp(parallel_devices[i], "vc"))
3878
                qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
3879
        }
3880
    }
3881

    
3882
    /* setup cpu signal handlers for MMU / self modifying code handling */
3883
#if !defined(CONFIG_SOFTMMU)
3884
    
3885
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3886
    {
3887
        stack_t stk;
3888
        signal_stack = memalign(16, SIGNAL_STACK_SIZE);
3889
        stk.ss_sp = signal_stack;
3890
        stk.ss_size = SIGNAL_STACK_SIZE;
3891
        stk.ss_flags = 0;
3892

    
3893
        if (sigaltstack(&stk, NULL) < 0) {
3894
            perror("sigaltstack");
3895
            exit(1);
3896
        }
3897
    }
3898
#endif
3899
    {
3900
        struct sigaction act;
3901
        
3902
        sigfillset(&act.sa_mask);
3903
        act.sa_flags = SA_SIGINFO;
3904
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3905
        act.sa_flags |= SA_ONSTACK;
3906
#endif
3907
        act.sa_sigaction = host_segv_handler;
3908
        sigaction(SIGSEGV, &act, NULL);
3909
        sigaction(SIGBUS, &act, NULL);
3910
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3911
        sigaction(SIGFPE, &act, NULL);
3912
#endif
3913
    }
3914
#endif
3915

    
3916
#ifndef _WIN32
3917
    {
3918
        struct sigaction act;
3919
        sigfillset(&act.sa_mask);
3920
        act.sa_flags = 0;
3921
        act.sa_handler = SIG_IGN;
3922
        sigaction(SIGPIPE, &act, NULL);
3923
    }
3924
#endif
3925
    init_timers();
3926

    
3927
    machine->init(ram_size, vga_ram_size, boot_device,
3928
                  ds, fd_filename, snapshot,
3929
                  kernel_filename, kernel_cmdline, initrd_filename);
3930

    
3931
    gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
3932
    qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
3933

    
3934
#ifdef CONFIG_GDBSTUB
3935
    if (use_gdbstub) {
3936
        if (gdbserver_start(gdbstub_port) < 0) {
3937
            fprintf(stderr, "Could not open gdbserver socket on port %d\n", 
3938
                    gdbstub_port);
3939
            exit(1);
3940
        } else {
3941
            printf("Waiting gdb connection on port %d\n", gdbstub_port);
3942
        }
3943
    } else 
3944
#endif
3945
    if (loadvm)
3946
        qemu_loadvm(loadvm);
3947

    
3948
    {
3949
        /* XXX: simplify init */
3950
        read_passwords();
3951
        if (start_emulation) {
3952
            vm_start();
3953
        }
3954
    }
3955
    main_loop();
3956
    quit_timers();
3957
    return 0;
3958
}