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/*
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 * 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
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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>
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#include <sys/wait.h>
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#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)
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#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

    
157
/***********************************************************/
158
/* x86 ISA bus support */
159

    
160
target_phys_addr_t isa_mem_base = 0;
161
PicState2 *isa_pic;
162

    
163
uint32_t default_ioport_readb(void *opaque, uint32_t address)
164
{
165
#ifdef DEBUG_UNUSED_IOPORT
166
    fprintf(stderr, "inb: port=0x%04x\n", address);
167
#endif
168
    return 0xff;
169
}
170

    
171
void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
172
{
173
#ifdef DEBUG_UNUSED_IOPORT
174
    fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
175
#endif
176
}
177

    
178
/* default is to make two byte accesses */
179
uint32_t default_ioport_readw(void *opaque, uint32_t address)
180
{
181
    uint32_t data;
182
    data = ioport_read_table[0][address](ioport_opaque[address], address);
183
    address = (address + 1) & (MAX_IOPORTS - 1);
184
    data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
185
    return data;
186
}
187

    
188
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
189
{
190
    ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
191
    address = (address + 1) & (MAX_IOPORTS - 1);
192
    ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
193
}
194

    
195
uint32_t default_ioport_readl(void *opaque, uint32_t address)
196
{
197
#ifdef DEBUG_UNUSED_IOPORT
198
    fprintf(stderr, "inl: port=0x%04x\n", address);
199
#endif
200
    return 0xffffffff;
201
}
202

    
203
void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
204
{
205
#ifdef DEBUG_UNUSED_IOPORT
206
    fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
207
#endif
208
}
209

    
210
void init_ioports(void)
211
{
212
    int i;
213

    
214
    for(i = 0; i < MAX_IOPORTS; i++) {
215
        ioport_read_table[0][i] = default_ioport_readb;
216
        ioport_write_table[0][i] = default_ioport_writeb;
217
        ioport_read_table[1][i] = default_ioport_readw;
218
        ioport_write_table[1][i] = default_ioport_writew;
219
        ioport_read_table[2][i] = default_ioport_readl;
220
        ioport_write_table[2][i] = default_ioport_writel;
221
    }
222
}
223

    
224
/* size is the word size in byte */
225
int register_ioport_read(int start, int length, int size, 
226
                         IOPortReadFunc *func, void *opaque)
227
{
228
    int i, bsize;
229

    
230
    if (size == 1) {
231
        bsize = 0;
232
    } else if (size == 2) {
233
        bsize = 1;
234
    } else if (size == 4) {
235
        bsize = 2;
236
    } else {
237
        hw_error("register_ioport_read: invalid size");
238
        return -1;
239
    }
240
    for(i = start; i < start + length; i += size) {
241
        ioport_read_table[bsize][i] = func;
242
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
243
            hw_error("register_ioport_read: invalid opaque");
244
        ioport_opaque[i] = opaque;
245
    }
246
    return 0;
247
}
248

    
249
/* size is the word size in byte */
250
int register_ioport_write(int start, int length, int size, 
251
                          IOPortWriteFunc *func, void *opaque)
252
{
253
    int i, bsize;
254

    
255
    if (size == 1) {
256
        bsize = 0;
257
    } else if (size == 2) {
258
        bsize = 1;
259
    } else if (size == 4) {
260
        bsize = 2;
261
    } else {
262
        hw_error("register_ioport_write: invalid size");
263
        return -1;
264
    }
265
    for(i = start; i < start + length; i += size) {
266
        ioport_write_table[bsize][i] = func;
267
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
268
            hw_error("register_ioport_read: invalid opaque");
269
        ioport_opaque[i] = opaque;
270
    }
271
    return 0;
272
}
273

    
274
void isa_unassign_ioport(int start, int length)
275
{
276
    int i;
277

    
278
    for(i = start; i < start + length; i++) {
279
        ioport_read_table[0][i] = default_ioport_readb;
280
        ioport_read_table[1][i] = default_ioport_readw;
281
        ioport_read_table[2][i] = default_ioport_readl;
282

    
283
        ioport_write_table[0][i] = default_ioport_writeb;
284
        ioport_write_table[1][i] = default_ioport_writew;
285
        ioport_write_table[2][i] = default_ioport_writel;
286
    }
287
}
288

    
289
/***********************************************************/
290

    
291
void pstrcpy(char *buf, int buf_size, const char *str)
292
{
293
    int c;
294
    char *q = buf;
295

    
296
    if (buf_size <= 0)
297
        return;
298

    
299
    for(;;) {
300
        c = *str++;
301
        if (c == 0 || q >= buf + buf_size - 1)
302
            break;
303
        *q++ = c;
304
    }
305
    *q = '\0';
306
}
307

    
308
/* strcat and truncate. */
309
char *pstrcat(char *buf, int buf_size, const char *s)
310
{
311
    int len;
312
    len = strlen(buf);
313
    if (len < buf_size) 
314
        pstrcpy(buf + len, buf_size - len, s);
315
    return buf;
316
}
317

    
318
int strstart(const char *str, const char *val, const char **ptr)
319
{
320
    const char *p, *q;
321
    p = str;
322
    q = val;
323
    while (*q != '\0') {
324
        if (*p != *q)
325
            return 0;
326
        p++;
327
        q++;
328
    }
329
    if (ptr)
330
        *ptr = p;
331
    return 1;
332
}
333

    
334
/* return the size or -1 if error */
335
int get_image_size(const char *filename)
336
{
337
    int fd, size;
338
    fd = open(filename, O_RDONLY | O_BINARY);
339
    if (fd < 0)
340
        return -1;
341
    size = lseek(fd, 0, SEEK_END);
342
    close(fd);
343
    return size;
344
}
345

    
346
/* return the size or -1 if error */
347
int load_image(const char *filename, uint8_t *addr)
348
{
349
    int fd, size;
350
    fd = open(filename, O_RDONLY | O_BINARY);
351
    if (fd < 0)
352
        return -1;
353
    size = lseek(fd, 0, SEEK_END);
354
    lseek(fd, 0, SEEK_SET);
355
    if (read(fd, addr, size) != size) {
356
        close(fd);
357
        return -1;
358
    }
359
    close(fd);
360
    return size;
361
}
362

    
363
void cpu_outb(CPUState *env, int addr, int val)
364
{
365
#ifdef DEBUG_IOPORT
366
    if (loglevel & CPU_LOG_IOPORT)
367
        fprintf(logfile, "outb: %04x %02x\n", addr, val);
368
#endif    
369
    ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
370
}
371

    
372
void cpu_outw(CPUState *env, int addr, int val)
373
{
374
#ifdef DEBUG_IOPORT
375
    if (loglevel & CPU_LOG_IOPORT)
376
        fprintf(logfile, "outw: %04x %04x\n", addr, val);
377
#endif    
378
    ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
379
}
380

    
381
void cpu_outl(CPUState *env, int addr, int val)
382
{
383
#ifdef DEBUG_IOPORT
384
    if (loglevel & CPU_LOG_IOPORT)
385
        fprintf(logfile, "outl: %04x %08x\n", addr, val);
386
#endif
387
    ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
388
}
389

    
390
int cpu_inb(CPUState *env, int addr)
391
{
392
    int val;
393
    val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
394
#ifdef DEBUG_IOPORT
395
    if (loglevel & CPU_LOG_IOPORT)
396
        fprintf(logfile, "inb : %04x %02x\n", addr, val);
397
#endif
398
    return val;
399
}
400

    
401
int cpu_inw(CPUState *env, int addr)
402
{
403
    int val;
404
    val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
405
#ifdef DEBUG_IOPORT
406
    if (loglevel & CPU_LOG_IOPORT)
407
        fprintf(logfile, "inw : %04x %04x\n", addr, val);
408
#endif
409
    return val;
410
}
411

    
412
int cpu_inl(CPUState *env, int addr)
413
{
414
    int val;
415
    val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
416
#ifdef DEBUG_IOPORT
417
    if (loglevel & CPU_LOG_IOPORT)
418
        fprintf(logfile, "inl : %04x %08x\n", addr, val);
419
#endif
420
    return val;
421
}
422

    
423
/***********************************************************/
424
void hw_error(const char *fmt, ...)
425
{
426
    va_list ap;
427

    
428
    va_start(ap, fmt);
429
    fprintf(stderr, "qemu: hardware error: ");
430
    vfprintf(stderr, fmt, ap);
431
    fprintf(stderr, "\n");
432
#ifdef TARGET_I386
433
    cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
434
#else
435
    cpu_dump_state(global_env, stderr, fprintf, 0);
436
#endif
437
    va_end(ap);
438
    abort();
439
}
440

    
441
/***********************************************************/
442
/* keyboard/mouse */
443

    
444
static QEMUPutKBDEvent *qemu_put_kbd_event;
445
static void *qemu_put_kbd_event_opaque;
446
static QEMUPutMouseEvent *qemu_put_mouse_event;
447
static void *qemu_put_mouse_event_opaque;
448

    
449
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
450
{
451
    qemu_put_kbd_event_opaque = opaque;
452
    qemu_put_kbd_event = func;
453
}
454

    
455
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
456
{
457
    qemu_put_mouse_event_opaque = opaque;
458
    qemu_put_mouse_event = func;
459
}
460

    
461
void kbd_put_keycode(int keycode)
462
{
463
    if (qemu_put_kbd_event) {
464
        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
465
    }
466
}
467

    
468
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
469
{
470
    if (qemu_put_mouse_event) {
471
        qemu_put_mouse_event(qemu_put_mouse_event_opaque, 
472
                             dx, dy, dz, buttons_state);
473
    }
474
}
475

    
476
/***********************************************************/
477
/* timers */
478

    
479
#if defined(__powerpc__)
480

    
481
static inline uint32_t get_tbl(void) 
482
{
483
    uint32_t tbl;
484
    asm volatile("mftb %0" : "=r" (tbl));
485
    return tbl;
486
}
487

    
488
static inline uint32_t get_tbu(void) 
489
{
490
        uint32_t tbl;
491
        asm volatile("mftbu %0" : "=r" (tbl));
492
        return tbl;
493
}
494

    
495
int64_t cpu_get_real_ticks(void)
496
{
497
    uint32_t l, h, h1;
498
    /* NOTE: we test if wrapping has occurred */
499
    do {
500
        h = get_tbu();
501
        l = get_tbl();
502
        h1 = get_tbu();
503
    } while (h != h1);
504
    return ((int64_t)h << 32) | l;
505
}
506

    
507
#elif defined(__i386__)
508

    
509
int64_t cpu_get_real_ticks(void)
510
{
511
    int64_t val;
512
    asm volatile ("rdtsc" : "=A" (val));
513
    return val;
514
}
515

    
516
#elif defined(__x86_64__)
517

    
518
int64_t cpu_get_real_ticks(void)
519
{
520
    uint32_t low,high;
521
    int64_t val;
522
    asm volatile("rdtsc" : "=a" (low), "=d" (high));
523
    val = high;
524
    val <<= 32;
525
    val |= low;
526
    return val;
527
}
528

    
529
#elif defined(__ia64)
530

    
531
int64_t cpu_get_real_ticks(void)
532
{
533
        int64_t val;
534
        asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
535
        return val;
536
}
537

    
538
#elif defined(__s390__)
539

    
540
int64_t cpu_get_real_ticks(void)
541
{
542
    int64_t val;
543
    asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
544
    return val;
545
}
546

    
547
#else
548
#error unsupported CPU
549
#endif
550

    
551
static int64_t cpu_ticks_offset;
552
static int cpu_ticks_enabled;
553

    
554
static inline int64_t cpu_get_ticks(void)
555
{
556
    if (!cpu_ticks_enabled) {
557
        return cpu_ticks_offset;
558
    } else {
559
        return cpu_get_real_ticks() + cpu_ticks_offset;
560
    }
561
}
562

    
563
/* enable cpu_get_ticks() */
564
void cpu_enable_ticks(void)
565
{
566
    if (!cpu_ticks_enabled) {
567
        cpu_ticks_offset -= cpu_get_real_ticks();
568
        cpu_ticks_enabled = 1;
569
    }
570
}
571

    
572
/* disable cpu_get_ticks() : the clock is stopped. You must not call
573
   cpu_get_ticks() after that.  */
574
void cpu_disable_ticks(void)
575
{
576
    if (cpu_ticks_enabled) {
577
        cpu_ticks_offset = cpu_get_ticks();
578
        cpu_ticks_enabled = 0;
579
    }
580
}
581

    
582
static int64_t get_clock(void)
583
{
584
#ifdef _WIN32
585
    struct _timeb tb;
586
    _ftime(&tb);
587
    return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
588
#else
589
    struct timeval tv;
590
    gettimeofday(&tv, NULL);
591
    return tv.tv_sec * 1000000LL + tv.tv_usec;
592
#endif
593
}
594

    
595
void cpu_calibrate_ticks(void)
596
{
597
    int64_t usec, ticks;
598

    
599
    usec = get_clock();
600
    ticks = cpu_get_real_ticks();
601
#ifdef _WIN32
602
    Sleep(50);
603
#else
604
    usleep(50 * 1000);
605
#endif
606
    usec = get_clock() - usec;
607
    ticks = cpu_get_real_ticks() - ticks;
608
    ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
609
}
610

    
611
/* compute with 96 bit intermediate result: (a*b)/c */
612
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
613
{
614
    union {
615
        uint64_t ll;
616
        struct {
617
#ifdef WORDS_BIGENDIAN
618
            uint32_t high, low;
619
#else
620
            uint32_t low, high;
621
#endif            
622
        } l;
623
    } u, res;
624
    uint64_t rl, rh;
625

    
626
    u.ll = a;
627
    rl = (uint64_t)u.l.low * (uint64_t)b;
628
    rh = (uint64_t)u.l.high * (uint64_t)b;
629
    rh += (rl >> 32);
630
    res.l.high = rh / c;
631
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
632
    return res.ll;
633
}
634

    
635
#define QEMU_TIMER_REALTIME 0
636
#define QEMU_TIMER_VIRTUAL  1
637

    
638
struct QEMUClock {
639
    int type;
640
    /* XXX: add frequency */
641
};
642

    
643
struct QEMUTimer {
644
    QEMUClock *clock;
645
    int64_t expire_time;
646
    QEMUTimerCB *cb;
647
    void *opaque;
648
    struct QEMUTimer *next;
649
};
650

    
651
QEMUClock *rt_clock;
652
QEMUClock *vm_clock;
653

    
654
static QEMUTimer *active_timers[2];
655
#ifdef _WIN32
656
static MMRESULT timerID;
657
#else
658
/* frequency of the times() clock tick */
659
static int timer_freq;
660
#endif
661

    
662
QEMUClock *qemu_new_clock(int type)
663
{
664
    QEMUClock *clock;
665
    clock = qemu_mallocz(sizeof(QEMUClock));
666
    if (!clock)
667
        return NULL;
668
    clock->type = type;
669
    return clock;
670
}
671

    
672
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
673
{
674
    QEMUTimer *ts;
675

    
676
    ts = qemu_mallocz(sizeof(QEMUTimer));
677
    ts->clock = clock;
678
    ts->cb = cb;
679
    ts->opaque = opaque;
680
    return ts;
681
}
682

    
683
void qemu_free_timer(QEMUTimer *ts)
684
{
685
    qemu_free(ts);
686
}
687

    
688
/* stop a timer, but do not dealloc it */
689
void qemu_del_timer(QEMUTimer *ts)
690
{
691
    QEMUTimer **pt, *t;
692

    
693
    /* NOTE: this code must be signal safe because
694
       qemu_timer_expired() can be called from a signal. */
695
    pt = &active_timers[ts->clock->type];
696
    for(;;) {
697
        t = *pt;
698
        if (!t)
699
            break;
700
        if (t == ts) {
701
            *pt = t->next;
702
            break;
703
        }
704
        pt = &t->next;
705
    }
706
}
707

    
708
/* modify the current timer so that it will be fired when current_time
709
   >= expire_time. The corresponding callback will be called. */
710
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
711
{
712
    QEMUTimer **pt, *t;
713

    
714
    qemu_del_timer(ts);
715

    
716
    /* add the timer in the sorted list */
717
    /* NOTE: this code must be signal safe because
718
       qemu_timer_expired() can be called from a signal. */
719
    pt = &active_timers[ts->clock->type];
720
    for(;;) {
721
        t = *pt;
722
        if (!t)
723
            break;
724
        if (t->expire_time > expire_time) 
725
            break;
726
        pt = &t->next;
727
    }
728
    ts->expire_time = expire_time;
729
    ts->next = *pt;
730
    *pt = ts;
731
}
732

    
733
int qemu_timer_pending(QEMUTimer *ts)
734
{
735
    QEMUTimer *t;
736
    for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
737
        if (t == ts)
738
            return 1;
739
    }
740
    return 0;
741
}
742

    
743
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
744
{
745
    if (!timer_head)
746
        return 0;
747
    return (timer_head->expire_time <= current_time);
748
}
749

    
750
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
751
{
752
    QEMUTimer *ts;
753
    
754
    for(;;) {
755
        ts = *ptimer_head;
756
        if (!ts || ts->expire_time > current_time)
757
            break;
758
        /* remove timer from the list before calling the callback */
759
        *ptimer_head = ts->next;
760
        ts->next = NULL;
761
        
762
        /* run the callback (the timer list can be modified) */
763
        ts->cb(ts->opaque);
764
    }
765
}
766

    
767
int64_t qemu_get_clock(QEMUClock *clock)
768
{
769
    switch(clock->type) {
770
    case QEMU_TIMER_REALTIME:
771
#ifdef _WIN32
772
        return GetTickCount();
773
#else
774
        {
775
            struct tms tp;
776

    
777
            /* Note that using gettimeofday() is not a good solution
778
               for timers because its value change when the date is
779
               modified. */
780
            if (timer_freq == 100) {
781
                return times(&tp) * 10;
782
            } else {
783
                return ((int64_t)times(&tp) * 1000) / timer_freq;
784
            }
785
        }
786
#endif
787
    default:
788
    case QEMU_TIMER_VIRTUAL:
789
        return cpu_get_ticks();
790
    }
791
}
792

    
793
/* save a timer */
794
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
795
{
796
    uint64_t expire_time;
797

    
798
    if (qemu_timer_pending(ts)) {
799
        expire_time = ts->expire_time;
800
    } else {
801
        expire_time = -1;
802
    }
803
    qemu_put_be64(f, expire_time);
804
}
805

    
806
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
807
{
808
    uint64_t expire_time;
809

    
810
    expire_time = qemu_get_be64(f);
811
    if (expire_time != -1) {
812
        qemu_mod_timer(ts, expire_time);
813
    } else {
814
        qemu_del_timer(ts);
815
    }
816
}
817

    
818
static void timer_save(QEMUFile *f, void *opaque)
819
{
820
    if (cpu_ticks_enabled) {
821
        hw_error("cannot save state if virtual timers are running");
822
    }
823
    qemu_put_be64s(f, &cpu_ticks_offset);
824
    qemu_put_be64s(f, &ticks_per_sec);
825
}
826

    
827
static int timer_load(QEMUFile *f, void *opaque, int version_id)
828
{
829
    if (version_id != 1)
830
        return -EINVAL;
831
    if (cpu_ticks_enabled) {
832
        return -EINVAL;
833
    }
834
    qemu_get_be64s(f, &cpu_ticks_offset);
835
    qemu_get_be64s(f, &ticks_per_sec);
836
    return 0;
837
}
838

    
839
#ifdef _WIN32
840
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, 
841
                                 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
842
#else
843
static void host_alarm_handler(int host_signum)
844
#endif
845
{
846
#if 0
847
#define DISP_FREQ 1000
848
    {
849
        static int64_t delta_min = INT64_MAX;
850
        static int64_t delta_max, delta_cum, last_clock, delta, ti;
851
        static int count;
852
        ti = qemu_get_clock(vm_clock);
853
        if (last_clock != 0) {
854
            delta = ti - last_clock;
855
            if (delta < delta_min)
856
                delta_min = delta;
857
            if (delta > delta_max)
858
                delta_max = delta;
859
            delta_cum += delta;
860
            if (++count == DISP_FREQ) {
861
                printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
862
                       muldiv64(delta_min, 1000000, ticks_per_sec),
863
                       muldiv64(delta_max, 1000000, ticks_per_sec),
864
                       muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
865
                       (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
866
                count = 0;
867
                delta_min = INT64_MAX;
868
                delta_max = 0;
869
                delta_cum = 0;
870
            }
871
        }
872
        last_clock = ti;
873
    }
874
#endif
875
    if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
876
                           qemu_get_clock(vm_clock)) ||
877
        qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
878
                           qemu_get_clock(rt_clock))) {
879
        /* stop the cpu because a timer occured */
880
        cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
881
#ifdef USE_KQEMU
882
        if (global_env->kqemu_enabled) {
883
            kqemu_cpu_interrupt(global_env);
884
        }
885
#endif
886
    }
887
}
888

    
889
#ifndef _WIN32
890

    
891
#if defined(__linux__)
892

    
893
#define RTC_FREQ 1024
894

    
895
static int rtc_fd;
896

    
897
static int start_rtc_timer(void)
898
{
899
    rtc_fd = open("/dev/rtc", O_RDONLY);
900
    if (rtc_fd < 0)
901
        return -1;
902
    if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
903
        fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
904
                "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
905
                "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
906
        goto fail;
907
    }
908
    if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
909
    fail:
910
        close(rtc_fd);
911
        return -1;
912
    }
913
    pit_min_timer_count = PIT_FREQ / RTC_FREQ;
914
    return 0;
915
}
916

    
917
#else
918

    
919
static int start_rtc_timer(void)
920
{
921
    return -1;
922
}
923

    
924
#endif /* !defined(__linux__) */
925

    
926
#endif /* !defined(_WIN32) */
927

    
928
static void init_timers(void)
929
{
930
    rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
931
    vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
932

    
933
#ifdef _WIN32
934
    {
935
        int count=0;
936
        timerID = timeSetEvent(1,     // interval (ms)
937
                               0,     // resolution
938
                               host_alarm_handler, // function
939
                               (DWORD)&count,  // user parameter
940
                               TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
941
         if( !timerID ) {
942
            perror("failed timer alarm");
943
            exit(1);
944
         }
945
    }
946
    pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
947
#else
948
    {
949
        struct sigaction act;
950
        struct itimerval itv;
951
        
952
        /* get times() syscall frequency */
953
        timer_freq = sysconf(_SC_CLK_TCK);
954
        
955
        /* timer signal */
956
        sigfillset(&act.sa_mask);
957
       act.sa_flags = 0;
958
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
959
        act.sa_flags |= SA_ONSTACK;
960
#endif
961
        act.sa_handler = host_alarm_handler;
962
        sigaction(SIGALRM, &act, NULL);
963

    
964
        itv.it_interval.tv_sec = 0;
965
        itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
966
        itv.it_value.tv_sec = 0;
967
        itv.it_value.tv_usec = 10 * 1000;
968
        setitimer(ITIMER_REAL, &itv, NULL);
969
        /* we probe the tick duration of the kernel to inform the user if
970
           the emulated kernel requested a too high timer frequency */
971
        getitimer(ITIMER_REAL, &itv);
972

    
973
#if defined(__linux__)
974
        if (itv.it_interval.tv_usec > 1000) {
975
            /* try to use /dev/rtc to have a faster timer */
976
            if (start_rtc_timer() < 0)
977
                goto use_itimer;
978
            /* disable itimer */
979
            itv.it_interval.tv_sec = 0;
980
            itv.it_interval.tv_usec = 0;
981
            itv.it_value.tv_sec = 0;
982
            itv.it_value.tv_usec = 0;
983
            setitimer(ITIMER_REAL, &itv, NULL);
984

    
985
            /* use the RTC */
986
            sigaction(SIGIO, &act, NULL);
987
            fcntl(rtc_fd, F_SETFL, O_ASYNC);
988
            fcntl(rtc_fd, F_SETOWN, getpid());
989
        } else 
990
#endif /* defined(__linux__) */
991
        {
992
        use_itimer:
993
            pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * 
994
                                   PIT_FREQ) / 1000000;
995
        }
996
    }
997
#endif
998
}
999

    
1000
void quit_timers(void)
1001
{
1002
#ifdef _WIN32
1003
    timeKillEvent(timerID);
1004
#endif
1005
}
1006

    
1007
/***********************************************************/
1008
/* character device */
1009

    
1010
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1011
{
1012
    return s->chr_write(s, buf, len);
1013
}
1014

    
1015
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1016
{
1017
    char buf[4096];
1018
    va_list ap;
1019
    va_start(ap, fmt);
1020
    vsnprintf(buf, sizeof(buf), fmt, ap);
1021
    qemu_chr_write(s, buf, strlen(buf));
1022
    va_end(ap);
1023
}
1024

    
1025
void qemu_chr_send_event(CharDriverState *s, int event)
1026
{
1027
    if (s->chr_send_event)
1028
        s->chr_send_event(s, event);
1029
}
1030

    
1031
void qemu_chr_add_read_handler(CharDriverState *s, 
1032
                               IOCanRWHandler *fd_can_read, 
1033
                               IOReadHandler *fd_read, void *opaque)
1034
{
1035
    s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
1036
}
1037
             
1038
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
1039
{
1040
    s->chr_event = chr_event;
1041
}
1042

    
1043
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1044
{
1045
    return len;
1046
}
1047

    
1048
static void null_chr_add_read_handler(CharDriverState *chr, 
1049
                                    IOCanRWHandler *fd_can_read, 
1050
                                    IOReadHandler *fd_read, void *opaque)
1051
{
1052
}
1053

    
1054
CharDriverState *qemu_chr_open_null(void)
1055
{
1056
    CharDriverState *chr;
1057

    
1058
    chr = qemu_mallocz(sizeof(CharDriverState));
1059
    if (!chr)
1060
        return NULL;
1061
    chr->chr_write = null_chr_write;
1062
    chr->chr_add_read_handler = null_chr_add_read_handler;
1063
    return chr;
1064
}
1065

    
1066
#ifndef _WIN32
1067

    
1068
typedef struct {
1069
    int fd_in, fd_out;
1070
    /* for nographic stdio only */
1071
    IOCanRWHandler *fd_can_read; 
1072
    IOReadHandler *fd_read;
1073
    void *fd_opaque;
1074
} FDCharDriver;
1075

    
1076
#define STDIO_MAX_CLIENTS 2
1077

    
1078
static int stdio_nb_clients;
1079
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1080

    
1081
static int unix_write(int fd, const uint8_t *buf, int len1)
1082
{
1083
    int ret, len;
1084

    
1085
    len = len1;
1086
    while (len > 0) {
1087
        ret = write(fd, buf, len);
1088
        if (ret < 0) {
1089
            if (errno != EINTR && errno != EAGAIN)
1090
                return -1;
1091
        } else if (ret == 0) {
1092
            break;
1093
        } else {
1094
            buf += ret;
1095
            len -= ret;
1096
        }
1097
    }
1098
    return len1 - len;
1099
}
1100

    
1101
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1102
{
1103
    FDCharDriver *s = chr->opaque;
1104
    return unix_write(s->fd_out, buf, len);
1105
}
1106

    
1107
static void fd_chr_add_read_handler(CharDriverState *chr, 
1108
                                    IOCanRWHandler *fd_can_read, 
1109
                                    IOReadHandler *fd_read, void *opaque)
1110
{
1111
    FDCharDriver *s = chr->opaque;
1112

    
1113
    if (nographic && s->fd_in == 0) {
1114
        s->fd_can_read = fd_can_read;
1115
        s->fd_read = fd_read;
1116
        s->fd_opaque = opaque;
1117
    } else {
1118
        qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1119
    }
1120
}
1121

    
1122
/* open a character device to a unix fd */
1123
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1124
{
1125
    CharDriverState *chr;
1126
    FDCharDriver *s;
1127

    
1128
    chr = qemu_mallocz(sizeof(CharDriverState));
1129
    if (!chr)
1130
        return NULL;
1131
    s = qemu_mallocz(sizeof(FDCharDriver));
1132
    if (!s) {
1133
        free(chr);
1134
        return NULL;
1135
    }
1136
    s->fd_in = fd_in;
1137
    s->fd_out = fd_out;
1138
    chr->opaque = s;
1139
    chr->chr_write = fd_chr_write;
1140
    chr->chr_add_read_handler = fd_chr_add_read_handler;
1141
    return chr;
1142
}
1143

    
1144
/* for STDIO, we handle the case where several clients use it
1145
   (nographic mode) */
1146

    
1147
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1148

    
1149
#define TERM_FIFO_MAX_SIZE 1
1150

    
1151
static int term_got_escape, client_index;
1152
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1153
int term_fifo_size;
1154

    
1155
void term_print_help(void)
1156
{
1157
    printf("\n"
1158
           "C-a h    print this help\n"
1159
           "C-a x    exit emulator\n"
1160
           "C-a s    save disk data back to file (if -snapshot)\n"
1161
           "C-a b    send break (magic sysrq)\n"
1162
           "C-a c    switch between console and monitor\n"
1163
           "C-a C-a  send C-a\n"
1164
           );
1165
}
1166

    
1167
/* called when a char is received */
1168
static void stdio_received_byte(int ch)
1169
{
1170
    if (term_got_escape) {
1171
        term_got_escape = 0;
1172
        switch(ch) {
1173
        case 'h':
1174
            term_print_help();
1175
            break;
1176
        case 'x':
1177
            exit(0);
1178
            break;
1179
        case 's': 
1180
            {
1181
                int i;
1182
                for (i = 0; i < MAX_DISKS; i++) {
1183
                    if (bs_table[i])
1184
                        bdrv_commit(bs_table[i]);
1185
                }
1186
            }
1187
            break;
1188
        case 'b':
1189
            if (client_index < stdio_nb_clients) {
1190
                CharDriverState *chr;
1191
                FDCharDriver *s;
1192

    
1193
                chr = stdio_clients[client_index];
1194
                s = chr->opaque;
1195
                chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1196
            }
1197
            break;
1198
        case 'c':
1199
            client_index++;
1200
            if (client_index >= stdio_nb_clients)
1201
                client_index = 0;
1202
            if (client_index == 0) {
1203
                /* send a new line in the monitor to get the prompt */
1204
                ch = '\r';
1205
                goto send_char;
1206
            }
1207
            break;
1208
        case TERM_ESCAPE:
1209
            goto send_char;
1210
        }
1211
    } else if (ch == TERM_ESCAPE) {
1212
        term_got_escape = 1;
1213
    } else {
1214
    send_char:
1215
        if (client_index < stdio_nb_clients) {
1216
            uint8_t buf[1];
1217
            CharDriverState *chr;
1218
            FDCharDriver *s;
1219
            
1220
            chr = stdio_clients[client_index];
1221
            s = chr->opaque;
1222
            if (s->fd_can_read(s->fd_opaque) > 0) {
1223
                buf[0] = ch;
1224
                s->fd_read(s->fd_opaque, buf, 1);
1225
            } else if (term_fifo_size == 0) {
1226
                term_fifo[term_fifo_size++] = ch;
1227
            }
1228
        }
1229
    }
1230
}
1231

    
1232
static int stdio_can_read(void *opaque)
1233
{
1234
    CharDriverState *chr;
1235
    FDCharDriver *s;
1236

    
1237
    if (client_index < stdio_nb_clients) {
1238
        chr = stdio_clients[client_index];
1239
        s = chr->opaque;
1240
        /* try to flush the queue if needed */
1241
        if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
1242
            s->fd_read(s->fd_opaque, term_fifo, 1);
1243
            term_fifo_size = 0;
1244
        }
1245
        /* see if we can absorb more chars */
1246
        if (term_fifo_size == 0)
1247
            return 1;
1248
        else
1249
            return 0;
1250
    } else {
1251
        return 1;
1252
    }
1253
}
1254

    
1255
static void stdio_read(void *opaque, const uint8_t *buf, int size)
1256
{
1257
    int i;
1258
    for(i = 0; i < size; i++)
1259
        stdio_received_byte(buf[i]);
1260
}
1261

    
1262
/* init terminal so that we can grab keys */
1263
static struct termios oldtty;
1264
static int old_fd0_flags;
1265

    
1266
static void term_exit(void)
1267
{
1268
    tcsetattr (0, TCSANOW, &oldtty);
1269
    fcntl(0, F_SETFL, old_fd0_flags);
1270
}
1271

    
1272
static void term_init(void)
1273
{
1274
    struct termios tty;
1275

    
1276
    tcgetattr (0, &tty);
1277
    oldtty = tty;
1278
    old_fd0_flags = fcntl(0, F_GETFL);
1279

    
1280
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1281
                          |INLCR|IGNCR|ICRNL|IXON);
1282
    tty.c_oflag |= OPOST;
1283
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1284
    /* if graphical mode, we allow Ctrl-C handling */
1285
    if (nographic)
1286
        tty.c_lflag &= ~ISIG;
1287
    tty.c_cflag &= ~(CSIZE|PARENB);
1288
    tty.c_cflag |= CS8;
1289
    tty.c_cc[VMIN] = 1;
1290
    tty.c_cc[VTIME] = 0;
1291
    
1292
    tcsetattr (0, TCSANOW, &tty);
1293

    
1294
    atexit(term_exit);
1295

    
1296
    fcntl(0, F_SETFL, O_NONBLOCK);
1297
}
1298

    
1299
CharDriverState *qemu_chr_open_stdio(void)
1300
{
1301
    CharDriverState *chr;
1302

    
1303
    if (nographic) {
1304
        if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1305
            return NULL;
1306
        chr = qemu_chr_open_fd(0, 1);
1307
        if (stdio_nb_clients == 0)
1308
            qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1309
        client_index = stdio_nb_clients;
1310
    } else {
1311
        if (stdio_nb_clients != 0)
1312
            return NULL;
1313
        chr = qemu_chr_open_fd(0, 1);
1314
    }
1315
    stdio_clients[stdio_nb_clients++] = chr;
1316
    if (stdio_nb_clients == 1) {
1317
        /* set the terminal in raw mode */
1318
        term_init();
1319
    }
1320
    return chr;
1321
}
1322

    
1323
#if defined(__linux__)
1324
CharDriverState *qemu_chr_open_pty(void)
1325
{
1326
    char slave_name[1024];
1327
    int master_fd, slave_fd;
1328
    
1329
    /* Not satisfying */
1330
    if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1331
        return NULL;
1332
    }
1333
    fprintf(stderr, "char device redirected to %s\n", slave_name);
1334
    return qemu_chr_open_fd(master_fd, master_fd);
1335
}
1336
#else
1337
CharDriverState *qemu_chr_open_pty(void)
1338
{
1339
    return NULL;
1340
}
1341
#endif
1342

    
1343
#endif /* !defined(_WIN32) */
1344

    
1345
CharDriverState *qemu_chr_open(const char *filename)
1346
{
1347
    if (!strcmp(filename, "vc")) {
1348
        return text_console_init(&display_state);
1349
    } else if (!strcmp(filename, "null")) {
1350
        return qemu_chr_open_null();
1351
    } else 
1352
#ifndef _WIN32
1353
    if (!strcmp(filename, "pty")) {
1354
        return qemu_chr_open_pty();
1355
    } else if (!strcmp(filename, "stdio")) {
1356
        return qemu_chr_open_stdio();
1357
    } else 
1358
#endif
1359
    {
1360
        return NULL;
1361
    }
1362
}
1363

    
1364
/***********************************************************/
1365
/* Linux network device redirectors */
1366

    
1367
void hex_dump(FILE *f, const uint8_t *buf, int size)
1368
{
1369
    int len, i, j, c;
1370

    
1371
    for(i=0;i<size;i+=16) {
1372
        len = size - i;
1373
        if (len > 16)
1374
            len = 16;
1375
        fprintf(f, "%08x ", i);
1376
        for(j=0;j<16;j++) {
1377
            if (j < len)
1378
                fprintf(f, " %02x", buf[i+j]);
1379
            else
1380
                fprintf(f, "   ");
1381
        }
1382
        fprintf(f, " ");
1383
        for(j=0;j<len;j++) {
1384
            c = buf[i+j];
1385
            if (c < ' ' || c > '~')
1386
                c = '.';
1387
            fprintf(f, "%c", c);
1388
        }
1389
        fprintf(f, "\n");
1390
    }
1391
}
1392

    
1393
void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1394
{
1395
    nd->send_packet(nd, buf, size);
1396
}
1397

    
1398
void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, 
1399
                          IOReadHandler *fd_read, void *opaque)
1400
{
1401
    nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1402
}
1403

    
1404
/* dummy network adapter */
1405

    
1406
static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1407
{
1408
}
1409

    
1410
static void dummy_add_read_packet(NetDriverState *nd, 
1411
                                  IOCanRWHandler *fd_can_read, 
1412
                                  IOReadHandler *fd_read, void *opaque)
1413
{
1414
}
1415

    
1416
static int net_dummy_init(NetDriverState *nd)
1417
{
1418
    nd->send_packet = dummy_send_packet;
1419
    nd->add_read_packet = dummy_add_read_packet;
1420
    pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1421
    return 0;
1422
}
1423

    
1424
#if defined(CONFIG_SLIRP)
1425

    
1426
/* slirp network adapter */
1427

    
1428
static void *slirp_fd_opaque;
1429
static IOCanRWHandler *slirp_fd_can_read;
1430
static IOReadHandler *slirp_fd_read;
1431
static int slirp_inited;
1432

    
1433
int slirp_can_output(void)
1434
{
1435
    return slirp_fd_can_read(slirp_fd_opaque);
1436
}
1437

    
1438
void slirp_output(const uint8_t *pkt, int pkt_len)
1439
{
1440
#if 0
1441
    printf("output:\n");
1442
    hex_dump(stdout, pkt, pkt_len);
1443
#endif
1444
    slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1445
}
1446

    
1447
static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1448
{
1449
#if 0
1450
    printf("input:\n");
1451
    hex_dump(stdout, buf, size);
1452
#endif
1453
    slirp_input(buf, size);
1454
}
1455

    
1456
static void slirp_add_read_packet(NetDriverState *nd, 
1457
                                  IOCanRWHandler *fd_can_read, 
1458
                                  IOReadHandler *fd_read, void *opaque)
1459
{
1460
    slirp_fd_opaque = opaque;
1461
    slirp_fd_can_read = fd_can_read;
1462
    slirp_fd_read = fd_read;
1463
}
1464

    
1465
static int net_slirp_init(NetDriverState *nd)
1466
{
1467
    if (!slirp_inited) {
1468
        slirp_inited = 1;
1469
        slirp_init();
1470
    }
1471
    nd->send_packet = slirp_send_packet;
1472
    nd->add_read_packet = slirp_add_read_packet;
1473
    pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1474
    return 0;
1475
}
1476

    
1477
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1478
{
1479
    const char *p, *p1;
1480
    int len;
1481
    p = *pp;
1482
    p1 = strchr(p, sep);
1483
    if (!p1)
1484
        return -1;
1485
    len = p1 - p;
1486
    p1++;
1487
    if (buf_size > 0) {
1488
        if (len > buf_size - 1)
1489
            len = buf_size - 1;
1490
        memcpy(buf, p, len);
1491
        buf[len] = '\0';
1492
    }
1493
    *pp = p1;
1494
    return 0;
1495
}
1496

    
1497
static void net_slirp_redir(const char *redir_str)
1498
{
1499
    int is_udp;
1500
    char buf[256], *r;
1501
    const char *p;
1502
    struct in_addr guest_addr;
1503
    int host_port, guest_port;
1504
    
1505
    if (!slirp_inited) {
1506
        slirp_inited = 1;
1507
        slirp_init();
1508
    }
1509

    
1510
    p = redir_str;
1511
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1512
        goto fail;
1513
    if (!strcmp(buf, "tcp")) {
1514
        is_udp = 0;
1515
    } else if (!strcmp(buf, "udp")) {
1516
        is_udp = 1;
1517
    } else {
1518
        goto fail;
1519
    }
1520

    
1521
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1522
        goto fail;
1523
    host_port = strtol(buf, &r, 0);
1524
    if (r == buf)
1525
        goto fail;
1526

    
1527
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1528
        goto fail;
1529
    if (buf[0] == '\0') {
1530
        pstrcpy(buf, sizeof(buf), "10.0.2.15");
1531
    }
1532
    if (!inet_aton(buf, &guest_addr))
1533
        goto fail;
1534
    
1535
    guest_port = strtol(p, &r, 0);
1536
    if (r == p)
1537
        goto fail;
1538
    
1539
    if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1540
        fprintf(stderr, "qemu: could not set up redirection\n");
1541
        exit(1);
1542
    }
1543
    return;
1544
 fail:
1545
    fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1546
    exit(1);
1547
}
1548
    
1549
#ifndef _WIN32
1550

    
1551
char smb_dir[1024];
1552

    
1553
static void smb_exit(void)
1554
{
1555
    DIR *d;
1556
    struct dirent *de;
1557
    char filename[1024];
1558

    
1559
    /* erase all the files in the directory */
1560
    d = opendir(smb_dir);
1561
    for(;;) {
1562
        de = readdir(d);
1563
        if (!de)
1564
            break;
1565
        if (strcmp(de->d_name, ".") != 0 &&
1566
            strcmp(de->d_name, "..") != 0) {
1567
            snprintf(filename, sizeof(filename), "%s/%s", 
1568
                     smb_dir, de->d_name);
1569
            unlink(filename);
1570
        }
1571
    }
1572
    closedir(d);
1573
    rmdir(smb_dir);
1574
}
1575

    
1576
/* automatic user mode samba server configuration */
1577
void net_slirp_smb(const char *exported_dir)
1578
{
1579
    char smb_conf[1024];
1580
    char smb_cmdline[1024];
1581
    FILE *f;
1582

    
1583
    if (!slirp_inited) {
1584
        slirp_inited = 1;
1585
        slirp_init();
1586
    }
1587

    
1588
    /* XXX: better tmp dir construction */
1589
    snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
1590
    if (mkdir(smb_dir, 0700) < 0) {
1591
        fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
1592
        exit(1);
1593
    }
1594
    snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
1595
    
1596
    f = fopen(smb_conf, "w");
1597
    if (!f) {
1598
        fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
1599
        exit(1);
1600
    }
1601
    fprintf(f, 
1602
            "[global]\n"
1603
            "private dir=%s\n"
1604
            "smb ports=0\n"
1605
            "socket address=127.0.0.1\n"
1606
            "pid directory=%s\n"
1607
            "lock directory=%s\n"
1608
            "log file=%s/log.smbd\n"
1609
            "smb passwd file=%s/smbpasswd\n"
1610
            "security = share\n"
1611
            "[qemu]\n"
1612
            "path=%s\n"
1613
            "read only=no\n"
1614
            "guest ok=yes\n",
1615
            smb_dir,
1616
            smb_dir,
1617
            smb_dir,
1618
            smb_dir,
1619
            smb_dir,
1620
            exported_dir
1621
            );
1622
    fclose(f);
1623
    atexit(smb_exit);
1624

    
1625
    snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
1626
             smb_conf);
1627
    
1628
    slirp_add_exec(0, smb_cmdline, 4, 139);
1629
}
1630

    
1631
#endif /* !defined(_WIN32) */
1632

    
1633
#endif /* CONFIG_SLIRP */
1634

    
1635
#if !defined(_WIN32)
1636
#ifdef _BSD
1637
static int tun_open(char *ifname, int ifname_size)
1638
{
1639
    int fd;
1640
    char *dev;
1641
    struct stat s;
1642

    
1643
    fd = open("/dev/tap", O_RDWR);
1644
    if (fd < 0) {
1645
        fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1646
        return -1;
1647
    }
1648

    
1649
    fstat(fd, &s);
1650
    dev = devname(s.st_rdev, S_IFCHR);
1651
    pstrcpy(ifname, ifname_size, dev);
1652

    
1653
    fcntl(fd, F_SETFL, O_NONBLOCK);
1654
    return fd;
1655
}
1656
#else
1657
static int tun_open(char *ifname, int ifname_size)
1658
{
1659
    struct ifreq ifr;
1660
    int fd, ret;
1661
    
1662
    fd = open("/dev/net/tun", O_RDWR);
1663
    if (fd < 0) {
1664
        fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1665
        return -1;
1666
    }
1667
    memset(&ifr, 0, sizeof(ifr));
1668
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1669
    pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1670
    ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1671
    if (ret != 0) {
1672
        fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1673
        close(fd);
1674
        return -1;
1675
    }
1676
    printf("Connected to host network interface: %s\n", ifr.ifr_name);
1677
    pstrcpy(ifname, ifname_size, ifr.ifr_name);
1678
    fcntl(fd, F_SETFL, O_NONBLOCK);
1679
    return fd;
1680
}
1681
#endif
1682

    
1683
static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1684
{
1685
    write(nd->fd, buf, size);
1686
}
1687

    
1688
static void tun_add_read_packet(NetDriverState *nd, 
1689
                                IOCanRWHandler *fd_can_read, 
1690
                                IOReadHandler *fd_read, void *opaque)
1691
{
1692
    qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1693
}
1694

    
1695
static int net_tun_init(NetDriverState *nd)
1696
{
1697
    int pid, status;
1698
    char *args[3];
1699
    char **parg;
1700

    
1701
    nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1702
    if (nd->fd < 0)
1703
        return -1;
1704

    
1705
    /* try to launch network init script */
1706
    pid = fork();
1707
    if (pid >= 0) {
1708
        if (pid == 0) {
1709
            parg = args;
1710
            *parg++ = network_script;
1711
            *parg++ = nd->ifname;
1712
            *parg++ = NULL;
1713
            execv(network_script, args);
1714
            exit(1);
1715
        }
1716
        while (waitpid(pid, &status, 0) != pid);
1717
        if (!WIFEXITED(status) ||
1718
            WEXITSTATUS(status) != 0) {
1719
            fprintf(stderr, "%s: could not launch network script\n",
1720
                    network_script);
1721
        }
1722
    }
1723
    nd->send_packet = tun_send_packet;
1724
    nd->add_read_packet = tun_add_read_packet;
1725
    return 0;
1726
}
1727

    
1728
static int net_fd_init(NetDriverState *nd, int fd)
1729
{
1730
    nd->fd = fd;
1731
    nd->send_packet = tun_send_packet;
1732
    nd->add_read_packet = tun_add_read_packet;
1733
    pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1734
    return 0;
1735
}
1736

    
1737
#endif /* !_WIN32 */
1738

    
1739
/***********************************************************/
1740
/* pid file */
1741

    
1742
static char *pid_filename;
1743

    
1744
/* Remove PID file. Called on normal exit */
1745

    
1746
static void remove_pidfile(void) 
1747
{
1748
    unlink (pid_filename);
1749
}
1750

    
1751
static void create_pidfile(const char *filename)
1752
{
1753
    struct stat pidstat;
1754
    FILE *f;
1755

    
1756
    /* Try to write our PID to the named file */
1757
    if (stat(filename, &pidstat) < 0) {
1758
        if (errno == ENOENT) {
1759
            if ((f = fopen (filename, "w")) == NULL) {
1760
                perror("Opening pidfile");
1761
                exit(1);
1762
            }
1763
            fprintf(f, "%d\n", getpid());
1764
            fclose(f);
1765
            pid_filename = qemu_strdup(filename);
1766
            if (!pid_filename) {
1767
                fprintf(stderr, "Could not save PID filename");
1768
                exit(1);
1769
            }
1770
            atexit(remove_pidfile);
1771
        }
1772
    } else {
1773
        fprintf(stderr, "%s already exists. Remove it and try again.\n", 
1774
                filename);
1775
        exit(1);
1776
    }
1777
}
1778

    
1779
/***********************************************************/
1780
/* dumb display */
1781

    
1782
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1783
{
1784
}
1785

    
1786
static void dumb_resize(DisplayState *ds, int w, int h)
1787
{
1788
}
1789

    
1790
static void dumb_refresh(DisplayState *ds)
1791
{
1792
    vga_update_display();
1793
}
1794

    
1795
void dumb_display_init(DisplayState *ds)
1796
{
1797
    ds->data = NULL;
1798
    ds->linesize = 0;
1799
    ds->depth = 0;
1800
    ds->dpy_update = dumb_update;
1801
    ds->dpy_resize = dumb_resize;
1802
    ds->dpy_refresh = dumb_refresh;
1803
}
1804

    
1805
#if !defined(CONFIG_SOFTMMU)
1806
/***********************************************************/
1807
/* cpu signal handler */
1808
static void host_segv_handler(int host_signum, siginfo_t *info, 
1809
                              void *puc)
1810
{
1811
    if (cpu_signal_handler(host_signum, info, puc))
1812
        return;
1813
    if (stdio_nb_clients > 0)
1814
        term_exit();
1815
    abort();
1816
}
1817
#endif
1818

    
1819
/***********************************************************/
1820
/* I/O handling */
1821

    
1822
#define MAX_IO_HANDLERS 64
1823

    
1824
typedef struct IOHandlerRecord {
1825
    int fd;
1826
    IOCanRWHandler *fd_can_read;
1827
    IOReadHandler *fd_read;
1828
    void *opaque;
1829
    /* temporary data */
1830
    struct pollfd *ufd;
1831
    int max_size;
1832
    struct IOHandlerRecord *next;
1833
} IOHandlerRecord;
1834

    
1835
static IOHandlerRecord *first_io_handler;
1836

    
1837
int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, 
1838
                             IOReadHandler *fd_read, void *opaque)
1839
{
1840
    IOHandlerRecord *ioh;
1841

    
1842
    ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1843
    if (!ioh)
1844
        return -1;
1845
    ioh->fd = fd;
1846
    ioh->fd_can_read = fd_can_read;
1847
    ioh->fd_read = fd_read;
1848
    ioh->opaque = opaque;
1849
    ioh->next = first_io_handler;
1850
    first_io_handler = ioh;
1851
    return 0;
1852
}
1853

    
1854
void qemu_del_fd_read_handler(int fd)
1855
{
1856
    IOHandlerRecord **pioh, *ioh;
1857

    
1858
    pioh = &first_io_handler;
1859
    for(;;) {
1860
        ioh = *pioh;
1861
        if (ioh == NULL)
1862
            break;
1863
        if (ioh->fd == fd) {
1864
            *pioh = ioh->next;
1865
            break;
1866
        }
1867
        pioh = &ioh->next;
1868
    }
1869
}
1870

    
1871
/***********************************************************/
1872
/* savevm/loadvm support */
1873

    
1874
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1875
{
1876
    fwrite(buf, 1, size, f);
1877
}
1878

    
1879
void qemu_put_byte(QEMUFile *f, int v)
1880
{
1881
    fputc(v, f);
1882
}
1883

    
1884
void qemu_put_be16(QEMUFile *f, unsigned int v)
1885
{
1886
    qemu_put_byte(f, v >> 8);
1887
    qemu_put_byte(f, v);
1888
}
1889

    
1890
void qemu_put_be32(QEMUFile *f, unsigned int v)
1891
{
1892
    qemu_put_byte(f, v >> 24);
1893
    qemu_put_byte(f, v >> 16);
1894
    qemu_put_byte(f, v >> 8);
1895
    qemu_put_byte(f, v);
1896
}
1897

    
1898
void qemu_put_be64(QEMUFile *f, uint64_t v)
1899
{
1900
    qemu_put_be32(f, v >> 32);
1901
    qemu_put_be32(f, v);
1902
}
1903

    
1904
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
1905
{
1906
    return fread(buf, 1, size, f);
1907
}
1908

    
1909
int qemu_get_byte(QEMUFile *f)
1910
{
1911
    int v;
1912
    v = fgetc(f);
1913
    if (v == EOF)
1914
        return 0;
1915
    else
1916
        return v;
1917
}
1918

    
1919
unsigned int qemu_get_be16(QEMUFile *f)
1920
{
1921
    unsigned int v;
1922
    v = qemu_get_byte(f) << 8;
1923
    v |= qemu_get_byte(f);
1924
    return v;
1925
}
1926

    
1927
unsigned int qemu_get_be32(QEMUFile *f)
1928
{
1929
    unsigned int v;
1930
    v = qemu_get_byte(f) << 24;
1931
    v |= qemu_get_byte(f) << 16;
1932
    v |= qemu_get_byte(f) << 8;
1933
    v |= qemu_get_byte(f);
1934
    return v;
1935
}
1936

    
1937
uint64_t qemu_get_be64(QEMUFile *f)
1938
{
1939
    uint64_t v;
1940
    v = (uint64_t)qemu_get_be32(f) << 32;
1941
    v |= qemu_get_be32(f);
1942
    return v;
1943
}
1944

    
1945
int64_t qemu_ftell(QEMUFile *f)
1946
{
1947
    return ftell(f);
1948
}
1949

    
1950
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
1951
{
1952
    if (fseek(f, pos, whence) < 0)
1953
        return -1;
1954
    return ftell(f);
1955
}
1956

    
1957
typedef struct SaveStateEntry {
1958
    char idstr[256];
1959
    int instance_id;
1960
    int version_id;
1961
    SaveStateHandler *save_state;
1962
    LoadStateHandler *load_state;
1963
    void *opaque;
1964
    struct SaveStateEntry *next;
1965
} SaveStateEntry;
1966

    
1967
static SaveStateEntry *first_se;
1968

    
1969
int register_savevm(const char *idstr, 
1970
                    int instance_id, 
1971
                    int version_id,
1972
                    SaveStateHandler *save_state,
1973
                    LoadStateHandler *load_state,
1974
                    void *opaque)
1975
{
1976
    SaveStateEntry *se, **pse;
1977

    
1978
    se = qemu_malloc(sizeof(SaveStateEntry));
1979
    if (!se)
1980
        return -1;
1981
    pstrcpy(se->idstr, sizeof(se->idstr), idstr);
1982
    se->instance_id = instance_id;
1983
    se->version_id = version_id;
1984
    se->save_state = save_state;
1985
    se->load_state = load_state;
1986
    se->opaque = opaque;
1987
    se->next = NULL;
1988

    
1989
    /* add at the end of list */
1990
    pse = &first_se;
1991
    while (*pse != NULL)
1992
        pse = &(*pse)->next;
1993
    *pse = se;
1994
    return 0;
1995
}
1996

    
1997
#define QEMU_VM_FILE_MAGIC   0x5145564d
1998
#define QEMU_VM_FILE_VERSION 0x00000001
1999

    
2000
int qemu_savevm(const char *filename)
2001
{
2002
    SaveStateEntry *se;
2003
    QEMUFile *f;
2004
    int len, len_pos, cur_pos, saved_vm_running, ret;
2005

    
2006
    saved_vm_running = vm_running;
2007
    vm_stop(0);
2008

    
2009
    f = fopen(filename, "wb");
2010
    if (!f) {
2011
        ret = -1;
2012
        goto the_end;
2013
    }
2014

    
2015
    qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
2016
    qemu_put_be32(f, QEMU_VM_FILE_VERSION);
2017

    
2018
    for(se = first_se; se != NULL; se = se->next) {
2019
        /* ID string */
2020
        len = strlen(se->idstr);
2021
        qemu_put_byte(f, len);
2022
        qemu_put_buffer(f, se->idstr, len);
2023

    
2024
        qemu_put_be32(f, se->instance_id);
2025
        qemu_put_be32(f, se->version_id);
2026

    
2027
        /* record size: filled later */
2028
        len_pos = ftell(f);
2029
        qemu_put_be32(f, 0);
2030
        
2031
        se->save_state(f, se->opaque);
2032

    
2033
        /* fill record size */
2034
        cur_pos = ftell(f);
2035
        len = ftell(f) - len_pos - 4;
2036
        fseek(f, len_pos, SEEK_SET);
2037
        qemu_put_be32(f, len);
2038
        fseek(f, cur_pos, SEEK_SET);
2039
    }
2040

    
2041
    fclose(f);
2042
    ret = 0;
2043
 the_end:
2044
    if (saved_vm_running)
2045
        vm_start();
2046
    return ret;
2047
}
2048

    
2049
static SaveStateEntry *find_se(const char *idstr, int instance_id)
2050
{
2051
    SaveStateEntry *se;
2052

    
2053
    for(se = first_se; se != NULL; se = se->next) {
2054
        if (!strcmp(se->idstr, idstr) && 
2055
            instance_id == se->instance_id)
2056
            return se;
2057
    }
2058
    return NULL;
2059
}
2060

    
2061
int qemu_loadvm(const char *filename)
2062
{
2063
    SaveStateEntry *se;
2064
    QEMUFile *f;
2065
    int len, cur_pos, ret, instance_id, record_len, version_id;
2066
    int saved_vm_running;
2067
    unsigned int v;
2068
    char idstr[256];
2069
    
2070
    saved_vm_running = vm_running;
2071
    vm_stop(0);
2072

    
2073
    f = fopen(filename, "rb");
2074
    if (!f) {
2075
        ret = -1;
2076
        goto the_end;
2077
    }
2078

    
2079
    v = qemu_get_be32(f);
2080
    if (v != QEMU_VM_FILE_MAGIC)
2081
        goto fail;
2082
    v = qemu_get_be32(f);
2083
    if (v != QEMU_VM_FILE_VERSION) {
2084
    fail:
2085
        fclose(f);
2086
        ret = -1;
2087
        goto the_end;
2088
    }
2089
    for(;;) {
2090
#if defined (DO_TB_FLUSH)
2091
        tb_flush(global_env);
2092
#endif
2093
        len = qemu_get_byte(f);
2094
        if (feof(f))
2095
            break;
2096
        qemu_get_buffer(f, idstr, len);
2097
        idstr[len] = '\0';
2098
        instance_id = qemu_get_be32(f);
2099
        version_id = qemu_get_be32(f);
2100
        record_len = qemu_get_be32(f);
2101
#if 0
2102
        printf("idstr=%s instance=0x%x version=%d len=%d\n", 
2103
               idstr, instance_id, version_id, record_len);
2104
#endif
2105
        cur_pos = ftell(f);
2106
        se = find_se(idstr, instance_id);
2107
        if (!se) {
2108
            fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", 
2109
                    instance_id, idstr);
2110
        } else {
2111
            ret = se->load_state(f, se->opaque, version_id);
2112
            if (ret < 0) {
2113
                fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", 
2114
                        instance_id, idstr);
2115
            }
2116
        }
2117
        /* always seek to exact end of record */
2118
        qemu_fseek(f, cur_pos + record_len, SEEK_SET);
2119
    }
2120
    fclose(f);
2121
    ret = 0;
2122
 the_end:
2123
    if (saved_vm_running)
2124
        vm_start();
2125
    return ret;
2126
}
2127

    
2128
/***********************************************************/
2129
/* cpu save/restore */
2130

    
2131
#if defined(TARGET_I386)
2132

    
2133
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
2134
{
2135
    qemu_put_be32(f, dt->selector);
2136
    qemu_put_betl(f, dt->base);
2137
    qemu_put_be32(f, dt->limit);
2138
    qemu_put_be32(f, dt->flags);
2139
}
2140

    
2141
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
2142
{
2143
    dt->selector = qemu_get_be32(f);
2144
    dt->base = qemu_get_betl(f);
2145
    dt->limit = qemu_get_be32(f);
2146
    dt->flags = qemu_get_be32(f);
2147
}
2148

    
2149
void cpu_save(QEMUFile *f, void *opaque)
2150
{
2151
    CPUState *env = opaque;
2152
    uint16_t fptag, fpus, fpuc, fpregs_format;
2153
    uint32_t hflags;
2154
    int i;
2155
    
2156
    for(i = 0; i < CPU_NB_REGS; i++)
2157
        qemu_put_betls(f, &env->regs[i]);
2158
    qemu_put_betls(f, &env->eip);
2159
    qemu_put_betls(f, &env->eflags);
2160
    hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
2161
    qemu_put_be32s(f, &hflags);
2162
    
2163
    /* FPU */
2164
    fpuc = env->fpuc;
2165
    fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
2166
    fptag = 0;
2167
    for(i = 0; i < 8; i++) {
2168
        fptag |= ((!env->fptags[i]) << i);
2169
    }
2170
    
2171
    qemu_put_be16s(f, &fpuc);
2172
    qemu_put_be16s(f, &fpus);
2173
    qemu_put_be16s(f, &fptag);
2174

    
2175
#ifdef USE_X86LDOUBLE
2176
    fpregs_format = 0;
2177
#else
2178
    fpregs_format = 1;
2179
#endif
2180
    qemu_put_be16s(f, &fpregs_format);
2181
    
2182
    for(i = 0; i < 8; i++) {
2183
#ifdef USE_X86LDOUBLE
2184
        {
2185
            uint64_t mant;
2186
            uint16_t exp;
2187
            /* we save the real CPU data (in case of MMX usage only 'mant'
2188
               contains the MMX register */
2189
            cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
2190
            qemu_put_be64(f, mant);
2191
            qemu_put_be16(f, exp);
2192
        }
2193
#else
2194
        /* if we use doubles for float emulation, we save the doubles to
2195
           avoid losing information in case of MMX usage. It can give
2196
           problems if the image is restored on a CPU where long
2197
           doubles are used instead. */
2198
        qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
2199
#endif
2200
    }
2201

    
2202
    for(i = 0; i < 6; i++)
2203
        cpu_put_seg(f, &env->segs[i]);
2204
    cpu_put_seg(f, &env->ldt);
2205
    cpu_put_seg(f, &env->tr);
2206
    cpu_put_seg(f, &env->gdt);
2207
    cpu_put_seg(f, &env->idt);
2208
    
2209
    qemu_put_be32s(f, &env->sysenter_cs);
2210
    qemu_put_be32s(f, &env->sysenter_esp);
2211
    qemu_put_be32s(f, &env->sysenter_eip);
2212
    
2213
    qemu_put_betls(f, &env->cr[0]);
2214
    qemu_put_betls(f, &env->cr[2]);
2215
    qemu_put_betls(f, &env->cr[3]);
2216
    qemu_put_betls(f, &env->cr[4]);
2217
    
2218
    for(i = 0; i < 8; i++)
2219
        qemu_put_betls(f, &env->dr[i]);
2220

    
2221
    /* MMU */
2222
    qemu_put_be32s(f, &env->a20_mask);
2223

    
2224
    /* XMM */
2225
    qemu_put_be32s(f, &env->mxcsr);
2226
    for(i = 0; i < CPU_NB_REGS; i++) {
2227
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2228
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2229
    }
2230

    
2231
#ifdef TARGET_X86_64
2232
    qemu_put_be64s(f, &env->efer);
2233
    qemu_put_be64s(f, &env->star);
2234
    qemu_put_be64s(f, &env->lstar);
2235
    qemu_put_be64s(f, &env->cstar);
2236
    qemu_put_be64s(f, &env->fmask);
2237
    qemu_put_be64s(f, &env->kernelgsbase);
2238
#endif
2239
}
2240

    
2241
#ifdef USE_X86LDOUBLE
2242
/* XXX: add that in a FPU generic layer */
2243
union x86_longdouble {
2244
    uint64_t mant;
2245
    uint16_t exp;
2246
};
2247

    
2248
#define MANTD1(fp)        (fp & ((1LL << 52) - 1))
2249
#define EXPBIAS1 1023
2250
#define EXPD1(fp)        ((fp >> 52) & 0x7FF)
2251
#define SIGND1(fp)        ((fp >> 32) & 0x80000000)
2252

    
2253
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
2254
{
2255
    int e;
2256
    /* mantissa */
2257
    p->mant = (MANTD1(temp) << 11) | (1LL << 63);
2258
    /* exponent + sign */
2259
    e = EXPD1(temp) - EXPBIAS1 + 16383;
2260
    e |= SIGND1(temp) >> 16;
2261
    p->exp = e;
2262
}
2263
#endif
2264

    
2265
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2266
{
2267
    CPUState *env = opaque;
2268
    int i, guess_mmx;
2269
    uint32_t hflags;
2270
    uint16_t fpus, fpuc, fptag, fpregs_format;
2271

    
2272
    if (version_id != 3)
2273
        return -EINVAL;
2274
    for(i = 0; i < CPU_NB_REGS; i++)
2275
        qemu_get_betls(f, &env->regs[i]);
2276
    qemu_get_betls(f, &env->eip);
2277
    qemu_get_betls(f, &env->eflags);
2278
    qemu_get_be32s(f, &hflags);
2279

    
2280
    qemu_get_be16s(f, &fpuc);
2281
    qemu_get_be16s(f, &fpus);
2282
    qemu_get_be16s(f, &fptag);
2283
    qemu_get_be16s(f, &fpregs_format);
2284
    
2285
    /* NOTE: we cannot always restore the FPU state if the image come
2286
       from a host with a different 'USE_X86LDOUBLE' define. We guess
2287
       if we are in an MMX state to restore correctly in that case. */
2288
    guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
2289
    for(i = 0; i < 8; i++) {
2290
        uint64_t mant;
2291
        uint16_t exp;
2292
        
2293
        switch(fpregs_format) {
2294
        case 0:
2295
            mant = qemu_get_be64(f);
2296
            exp = qemu_get_be16(f);
2297
#ifdef USE_X86LDOUBLE
2298
            env->fpregs[i].d = cpu_set_fp80(mant, exp);
2299
#else
2300
            /* difficult case */
2301
            if (guess_mmx)
2302
                env->fpregs[i].mmx.MMX_Q(0) = mant;
2303
            else
2304
                env->fpregs[i].d = cpu_set_fp80(mant, exp);
2305
#endif
2306
            break;
2307
        case 1:
2308
            mant = qemu_get_be64(f);
2309
#ifdef USE_X86LDOUBLE
2310
            {
2311
                union x86_longdouble *p;
2312
                /* difficult case */
2313
                p = (void *)&env->fpregs[i];
2314
                if (guess_mmx) {
2315
                    p->mant = mant;
2316
                    p->exp = 0xffff;
2317
                } else {
2318
                    fp64_to_fp80(p, mant);
2319
                }
2320
            }
2321
#else
2322
            env->fpregs[i].mmx.MMX_Q(0) = mant;
2323
#endif            
2324
            break;
2325
        default:
2326
            return -EINVAL;
2327
        }
2328
    }
2329

    
2330
    env->fpuc = fpuc;
2331
    /* XXX: restore FPU round state */
2332
    env->fpstt = (fpus >> 11) & 7;
2333
    env->fpus = fpus & ~0x3800;
2334
    fptag ^= 0xff;
2335
    for(i = 0; i < 8; i++) {
2336
        env->fptags[i] = (fptag >> i) & 1;
2337
    }
2338
    
2339
    for(i = 0; i < 6; i++)
2340
        cpu_get_seg(f, &env->segs[i]);
2341
    cpu_get_seg(f, &env->ldt);
2342
    cpu_get_seg(f, &env->tr);
2343
    cpu_get_seg(f, &env->gdt);
2344
    cpu_get_seg(f, &env->idt);
2345
    
2346
    qemu_get_be32s(f, &env->sysenter_cs);
2347
    qemu_get_be32s(f, &env->sysenter_esp);
2348
    qemu_get_be32s(f, &env->sysenter_eip);
2349
    
2350
    qemu_get_betls(f, &env->cr[0]);
2351
    qemu_get_betls(f, &env->cr[2]);
2352
    qemu_get_betls(f, &env->cr[3]);
2353
    qemu_get_betls(f, &env->cr[4]);
2354
    
2355
    for(i = 0; i < 8; i++)
2356
        qemu_get_betls(f, &env->dr[i]);
2357

    
2358
    /* MMU */
2359
    qemu_get_be32s(f, &env->a20_mask);
2360

    
2361
    qemu_get_be32s(f, &env->mxcsr);
2362
    for(i = 0; i < CPU_NB_REGS; i++) {
2363
        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
2364
        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
2365
    }
2366

    
2367
#ifdef TARGET_X86_64
2368
    qemu_get_be64s(f, &env->efer);
2369
    qemu_get_be64s(f, &env->star);
2370
    qemu_get_be64s(f, &env->lstar);
2371
    qemu_get_be64s(f, &env->cstar);
2372
    qemu_get_be64s(f, &env->fmask);
2373
    qemu_get_be64s(f, &env->kernelgsbase);
2374
#endif
2375

    
2376
    /* XXX: compute hflags from scratch, except for CPL and IIF */
2377
    env->hflags = hflags;
2378
    tlb_flush(env, 1);
2379
    return 0;
2380
}
2381

    
2382
#elif defined(TARGET_PPC)
2383
void cpu_save(QEMUFile *f, void *opaque)
2384
{
2385
}
2386

    
2387
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2388
{
2389
    return 0;
2390
}
2391

    
2392
#elif defined(TARGET_MIPS)
2393
void cpu_save(QEMUFile *f, void *opaque)
2394
{
2395
}
2396

    
2397
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2398
{
2399
    return 0;
2400
}
2401

    
2402
#elif defined(TARGET_SPARC)
2403
void cpu_save(QEMUFile *f, void *opaque)
2404
{
2405
    CPUState *env = opaque;
2406
    int i;
2407
    uint32_t tmp;
2408

    
2409
    for(i = 0; i < 8; i++)
2410
        qemu_put_betls(f, &env->gregs[i]);
2411
    for(i = 0; i < NWINDOWS * 16; i++)
2412
        qemu_put_betls(f, &env->regbase[i]);
2413

    
2414
    /* FPU */
2415
    for(i = 0; i < TARGET_FPREGS; i++) {
2416
        union {
2417
            TARGET_FPREG_T f;
2418
            target_ulong i;
2419
        } u;
2420
        u.f = env->fpr[i];
2421
        qemu_put_betl(f, u.i);
2422
    }
2423

    
2424
    qemu_put_betls(f, &env->pc);
2425
    qemu_put_betls(f, &env->npc);
2426
    qemu_put_betls(f, &env->y);
2427
    tmp = GET_PSR(env);
2428
    qemu_put_be32(f, tmp);
2429
    qemu_put_betls(f, &env->fsr);
2430
    qemu_put_betls(f, &env->tbr);
2431
#ifndef TARGET_SPARC64
2432
    qemu_put_be32s(f, &env->wim);
2433
    /* MMU */
2434
    for(i = 0; i < 16; i++)
2435
        qemu_put_be32s(f, &env->mmuregs[i]);
2436
#endif
2437
}
2438

    
2439
int cpu_load(QEMUFile *f, void *opaque, int version_id)
2440
{
2441
    CPUState *env = opaque;
2442
    int i;
2443
    uint32_t tmp;
2444

    
2445
    for(i = 0; i < 8; i++)
2446
        qemu_get_betls(f, &env->gregs[i]);
2447
    for(i = 0; i < NWINDOWS * 16; i++)
2448
        qemu_get_betls(f, &env->regbase[i]);
2449

    
2450
    /* FPU */
2451
    for(i = 0; i < TARGET_FPREGS; i++) {
2452
        union {
2453
            TARGET_FPREG_T f;
2454
            target_ulong i;
2455
        } u;
2456
        u.i = qemu_get_betl(f);
2457
        env->fpr[i] = u.f;
2458
    }
2459

    
2460
    qemu_get_betls(f, &env->pc);
2461
    qemu_get_betls(f, &env->npc);
2462
    qemu_get_betls(f, &env->y);
2463
    tmp = qemu_get_be32(f);
2464
    env->cwp = 0; /* needed to ensure that the wrapping registers are
2465
                     correctly updated */
2466
    PUT_PSR(env, tmp);
2467
    qemu_get_betls(f, &env->fsr);
2468
    qemu_get_betls(f, &env->tbr);
2469
#ifndef TARGET_SPARC64
2470
    qemu_get_be32s(f, &env->wim);
2471
    /* MMU */
2472
    for(i = 0; i < 16; i++)
2473
        qemu_get_be32s(f, &env->mmuregs[i]);
2474
#endif
2475
    tlb_flush(env, 1);
2476
    return 0;
2477
}
2478
#else
2479

    
2480
#warning No CPU save/restore functions
2481

    
2482
#endif
2483

    
2484
/***********************************************************/
2485
/* ram save/restore */
2486

    
2487
/* we just avoid storing empty pages */
2488
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2489
{
2490
    int i, v;
2491

    
2492
    v = buf[0];
2493
    for(i = 1; i < len; i++) {
2494
        if (buf[i] != v)
2495
            goto normal_save;
2496
    }
2497
    qemu_put_byte(f, 1);
2498
    qemu_put_byte(f, v);
2499
    return;
2500
 normal_save:
2501
    qemu_put_byte(f, 0); 
2502
    qemu_put_buffer(f, buf, len);
2503
}
2504

    
2505
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2506
{
2507
    int v;
2508

    
2509
    v = qemu_get_byte(f);
2510
    switch(v) {
2511
    case 0:
2512
        if (qemu_get_buffer(f, buf, len) != len)
2513
            return -EIO;
2514
        break;
2515
    case 1:
2516
        v = qemu_get_byte(f);
2517
        memset(buf, v, len);
2518
        break;
2519
    default:
2520
        return -EINVAL;
2521
    }
2522
    return 0;
2523
}
2524

    
2525
static void ram_save(QEMUFile *f, void *opaque)
2526
{
2527
    int i;
2528
    qemu_put_be32(f, phys_ram_size);
2529
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2530
        ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2531
    }
2532
}
2533

    
2534
static int ram_load(QEMUFile *f, void *opaque, int version_id)
2535
{
2536
    int i, ret;
2537

    
2538
    if (version_id != 1)
2539
        return -EINVAL;
2540
    if (qemu_get_be32(f) != phys_ram_size)
2541
        return -EINVAL;
2542
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2543
        ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2544
        if (ret)
2545
            return ret;
2546
    }
2547
    return 0;
2548
}
2549

    
2550
/***********************************************************/
2551
/* machine registration */
2552

    
2553
QEMUMachine *first_machine = NULL;
2554

    
2555
int qemu_register_machine(QEMUMachine *m)
2556
{
2557
    QEMUMachine **pm;
2558
    pm = &first_machine;
2559
    while (*pm != NULL)
2560
        pm = &(*pm)->next;
2561
    m->next = NULL;
2562
    *pm = m;
2563
    return 0;
2564
}
2565

    
2566
QEMUMachine *find_machine(const char *name)
2567
{
2568
    QEMUMachine *m;
2569

    
2570
    for(m = first_machine; m != NULL; m = m->next) {
2571
        if (!strcmp(m->name, name))
2572
            return m;
2573
    }
2574
    return NULL;
2575
}
2576

    
2577
/***********************************************************/
2578
/* main execution loop */
2579

    
2580
void gui_update(void *opaque)
2581
{
2582
    display_state.dpy_refresh(&display_state);
2583
    qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2584
}
2585

    
2586
/* XXX: support several handlers */
2587
VMStopHandler *vm_stop_cb;
2588
VMStopHandler *vm_stop_opaque;
2589

    
2590
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2591
{
2592
    vm_stop_cb = cb;
2593
    vm_stop_opaque = opaque;
2594
    return 0;
2595
}
2596

    
2597
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2598
{
2599
    vm_stop_cb = NULL;
2600
}
2601

    
2602
void vm_start(void)
2603
{
2604
    if (!vm_running) {
2605
        cpu_enable_ticks();
2606
        vm_running = 1;
2607
    }
2608
}
2609

    
2610
void vm_stop(int reason) 
2611
{
2612
    if (vm_running) {
2613
        cpu_disable_ticks();
2614
        vm_running = 0;
2615
        if (reason != 0) {
2616
            if (vm_stop_cb) {
2617
                vm_stop_cb(vm_stop_opaque, reason);
2618
            }
2619
        }
2620
    }
2621
}
2622

    
2623
/* reset/shutdown handler */
2624

    
2625
typedef struct QEMUResetEntry {
2626
    QEMUResetHandler *func;
2627
    void *opaque;
2628
    struct QEMUResetEntry *next;
2629
} QEMUResetEntry;
2630

    
2631
static QEMUResetEntry *first_reset_entry;
2632
static int reset_requested;
2633
static int shutdown_requested;
2634
static int powerdown_requested;
2635

    
2636
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2637
{
2638
    QEMUResetEntry **pre, *re;
2639

    
2640
    pre = &first_reset_entry;
2641
    while (*pre != NULL)
2642
        pre = &(*pre)->next;
2643
    re = qemu_mallocz(sizeof(QEMUResetEntry));
2644
    re->func = func;
2645
    re->opaque = opaque;
2646
    re->next = NULL;
2647
    *pre = re;
2648
}
2649

    
2650
void qemu_system_reset(void)
2651
{
2652
    QEMUResetEntry *re;
2653

    
2654
    /* reset all devices */
2655
    for(re = first_reset_entry; re != NULL; re = re->next) {
2656
        re->func(re->opaque);
2657
    }
2658
}
2659

    
2660
void qemu_system_reset_request(void)
2661
{
2662
    reset_requested = 1;
2663
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2664
}
2665

    
2666
void qemu_system_shutdown_request(void)
2667
{
2668
    shutdown_requested = 1;
2669
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2670
}
2671

    
2672
void qemu_system_powerdown_request(void)
2673
{
2674
    powerdown_requested = 1;
2675
    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2676
}
2677

    
2678
static void main_cpu_reset(void *opaque)
2679
{
2680
#if defined(TARGET_I386) || defined(TARGET_SPARC)
2681
    CPUState *env = opaque;
2682
    cpu_reset(env);
2683
#endif
2684
}
2685

    
2686
void main_loop_wait(int timeout)
2687
{
2688
#ifndef _WIN32
2689
    struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2690
    IOHandlerRecord *ioh, *ioh_next;
2691
    uint8_t buf[4096];
2692
    int n, max_size;
2693
#endif
2694
    int ret;
2695

    
2696
#ifdef _WIN32
2697
        if (timeout > 0)
2698
            Sleep(timeout);
2699
#else
2700
        /* poll any events */
2701
        /* XXX: separate device handlers from system ones */
2702
        pf = ufds;
2703
        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2704
            if (!ioh->fd_can_read) {
2705
                max_size = 0;
2706
                pf->fd = ioh->fd;
2707
                pf->events = POLLIN;
2708
                ioh->ufd = pf;
2709
                pf++;
2710
            } else {
2711
                max_size = ioh->fd_can_read(ioh->opaque);
2712
                if (max_size > 0) {
2713
                    if (max_size > sizeof(buf))
2714
                        max_size = sizeof(buf);
2715
                    pf->fd = ioh->fd;
2716
                    pf->events = POLLIN;
2717
                    ioh->ufd = pf;
2718
                    pf++;
2719
                } else {
2720
                    ioh->ufd = NULL;
2721
                }
2722
            }
2723
            ioh->max_size = max_size;
2724
        }
2725
        
2726
        ret = poll(ufds, pf - ufds, timeout);
2727
        if (ret > 0) {
2728
            /* XXX: better handling of removal */
2729
            for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2730
                ioh_next = ioh->next;
2731
                pf = ioh->ufd;
2732
                if (pf) {
2733
                    if (pf->revents & POLLIN) {
2734
                        if (ioh->max_size == 0) {
2735
                            /* just a read event */
2736
                            ioh->fd_read(ioh->opaque, NULL, 0);
2737
                        } else {
2738
                            n = read(ioh->fd, buf, ioh->max_size);
2739
                            if (n >= 0) {
2740
                                ioh->fd_read(ioh->opaque, buf, n);
2741
                            } else if (errno != EAGAIN) {
2742
                                ioh->fd_read(ioh->opaque, NULL, -errno);
2743
                            }
2744
                        }
2745
                    }
2746
                }
2747
            }
2748
        }
2749
#endif /* !defined(_WIN32) */
2750
#if defined(CONFIG_SLIRP)
2751
        /* XXX: merge with poll() */
2752
        if (slirp_inited) {
2753
            fd_set rfds, wfds, xfds;
2754
            int nfds;
2755
            struct timeval tv;
2756

    
2757
            nfds = -1;
2758
            FD_ZERO(&rfds);
2759
            FD_ZERO(&wfds);
2760
            FD_ZERO(&xfds);
2761
            slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2762
            tv.tv_sec = 0;
2763
            tv.tv_usec = 0;
2764
            ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2765
            if (ret >= 0) {
2766
                slirp_select_poll(&rfds, &wfds, &xfds);
2767
            }
2768
        }
2769
#endif
2770

    
2771
        if (vm_running) {
2772
            qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], 
2773
                            qemu_get_clock(vm_clock));
2774
            /* run dma transfers, if any */
2775
            DMA_run();
2776
        }
2777

    
2778
        /* real time timers */
2779
        qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], 
2780
                        qemu_get_clock(rt_clock));
2781
}
2782

    
2783
int main_loop(void)
2784
{
2785
    int ret, timeout;
2786
    CPUState *env = global_env;
2787

    
2788
    for(;;) {
2789
        if (vm_running) {
2790
            ret = cpu_exec(env);
2791
            if (shutdown_requested) {
2792
                ret = EXCP_INTERRUPT;
2793
                break;
2794
            }
2795
            if (reset_requested) {
2796
                reset_requested = 0;
2797
                qemu_system_reset();
2798
                ret = EXCP_INTERRUPT;
2799
            }
2800
            if (powerdown_requested) {
2801
                powerdown_requested = 0;
2802
                qemu_system_powerdown();
2803
                ret = EXCP_INTERRUPT;
2804
            }
2805
            if (ret == EXCP_DEBUG) {
2806
                vm_stop(EXCP_DEBUG);
2807
            }
2808
            /* if hlt instruction, we wait until the next IRQ */
2809
            /* XXX: use timeout computed from timers */
2810
            if (ret == EXCP_HLT)
2811
                timeout = 10;
2812
            else
2813
                timeout = 0;
2814
        } else {
2815
            timeout = 10;
2816
        }
2817
        main_loop_wait(timeout);
2818
    }
2819
    cpu_disable_ticks();
2820
    return ret;
2821
}
2822

    
2823
void help(void)
2824
{
2825
    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
2826
           "usage: %s [options] [disk_image]\n"
2827
           "\n"
2828
           "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2829
           "\n"
2830
           "Standard options:\n"
2831
           "-M machine      select emulated machine (-M ? for list)\n"
2832
           "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n"
2833
           "-hda/-hdb file  use 'file' as IDE hard disk 0/1 image\n"
2834
           "-hdc/-hdd file  use 'file' as IDE hard disk 2/3 image\n"
2835
           "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2836
           "-boot [a|c|d]   boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2837
           "-snapshot       write to temporary files instead of disk image files\n"
2838
           "-m megs         set virtual RAM size to megs MB [default=%d]\n"
2839
           "-nographic      disable graphical output and redirect serial I/Os to console\n"
2840
#ifndef _WIN32
2841
           "-k language     use keyboard layout (for example \"fr\" for French)\n"
2842
#endif
2843
#ifdef HAS_AUDIO
2844
           "-enable-audio   enable audio support\n"
2845
           "-audio-help     print list of audio drivers and their options\n"
2846
           "-soundhw c1,... comma separated list of sound card names\n"
2847
           "                use -soundhw ? to get the list of supported sound cards\n"
2848
#endif
2849
           "-localtime      set the real time clock to local time [default=utc]\n"
2850
           "-full-screen    start in full screen\n"
2851
#ifdef TARGET_I386
2852
           "-win2k-hack     use it when installing Windows 2000 to avoid a disk full bug\n"
2853
#endif
2854
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
2855
           "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
2856
#endif
2857
           "\n"
2858
           "Network options:\n"
2859
           "-nics n         simulate 'n' network cards [default=1]\n"
2860
           "-macaddr addr   set the mac address of the first interface\n"
2861
           "-n script       set tap/tun network init script [default=%s]\n"
2862
           "-tun-fd fd      use this fd as already opened tap/tun interface\n"
2863
#ifdef CONFIG_SLIRP
2864
           "-user-net       use user mode network stack [default if no tap/tun script]\n"
2865
           "-tftp prefix    allow tftp access to files starting with prefix [-user-net]\n"
2866
#ifndef _WIN32
2867
           "-smb dir        allow SMB access to files in 'dir' [-user-net]\n"
2868
#endif
2869
           "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2870
           "                redirect TCP or UDP connections from host to guest [-user-net]\n"
2871
#endif
2872
           "-dummy-net      use dummy network stack\n"
2873
           "\n"
2874
           "Linux boot specific:\n"
2875
           "-kernel bzImage use 'bzImage' as kernel image\n"
2876
           "-append cmdline use 'cmdline' as kernel command line\n"
2877
           "-initrd file    use 'file' as initial ram disk\n"
2878
           "\n"
2879
           "Debug/Expert options:\n"
2880
           "-monitor dev    redirect the monitor to char device 'dev'\n"
2881
           "-serial dev     redirect the serial port to char device 'dev'\n"
2882
           "-parallel dev   redirect the parallel port to char device 'dev'\n"
2883
           "-pidfile file   Write PID to 'file'\n"
2884
           "-S              freeze CPU at startup (use 'c' to start execution)\n"
2885
           "-s              wait gdb connection to port %d\n"
2886
           "-p port         change gdb connection port\n"
2887
           "-d item1,...    output log to %s (use -d ? for a list of log items)\n"
2888
           "-hdachs c,h,s[,t]  force hard disk 0 physical geometry and the optional BIOS\n"
2889
           "                translation (t=none or lba) (usually qemu can guess them)\n"
2890
           "-L path         set the directory for the BIOS and VGA BIOS\n"
2891
#ifdef USE_KQEMU
2892
           "-no-kqemu       disable KQEMU kernel module usage\n"
2893
#endif
2894
#ifdef USE_CODE_COPY
2895
           "-no-code-copy   disable code copy acceleration\n"
2896
#endif
2897
#ifdef TARGET_I386
2898
           "-isa            simulate an ISA-only system (default is PCI system)\n"
2899
           "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
2900
           "                (default is CL-GD5446 PCI VGA)\n"
2901
#endif
2902
           "-loadvm file    start right away with a saved state (loadvm in monitor)\n"
2903
           "\n"
2904
           "During emulation, the following keys are useful:\n"
2905
           "ctrl-alt-f      toggle full screen\n"
2906
           "ctrl-alt-n      switch to virtual console 'n'\n"
2907
           "ctrl-alt        toggle mouse and keyboard grab\n"
2908
           "\n"
2909
           "When using -nographic, press 'ctrl-a h' to get some help.\n"
2910
           ,
2911
#ifdef CONFIG_SOFTMMU
2912
           "qemu",
2913
#else
2914
           "qemu-fast",
2915
#endif
2916
           DEFAULT_RAM_SIZE,
2917
           DEFAULT_NETWORK_SCRIPT,
2918
           DEFAULT_GDBSTUB_PORT,
2919
           "/tmp/qemu.log");
2920
#ifndef CONFIG_SOFTMMU
2921
    printf("\n"
2922
           "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2923
           "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2924
           "PC emulation.\n");
2925
#endif
2926
    exit(1);
2927
}
2928

    
2929
#define HAS_ARG 0x0001
2930

    
2931
enum {
2932
    QEMU_OPTION_h,
2933

    
2934
    QEMU_OPTION_M,
2935
    QEMU_OPTION_fda,
2936
    QEMU_OPTION_fdb,
2937
    QEMU_OPTION_hda,
2938
    QEMU_OPTION_hdb,
2939
    QEMU_OPTION_hdc,
2940
    QEMU_OPTION_hdd,
2941
    QEMU_OPTION_cdrom,
2942
    QEMU_OPTION_boot,
2943
    QEMU_OPTION_snapshot,
2944
    QEMU_OPTION_m,
2945
    QEMU_OPTION_nographic,
2946
#ifdef HAS_AUDIO
2947
    QEMU_OPTION_enable_audio,
2948
    QEMU_OPTION_audio_help,
2949
    QEMU_OPTION_soundhw,
2950
#endif
2951

    
2952
    QEMU_OPTION_nics,
2953
    QEMU_OPTION_macaddr,
2954
    QEMU_OPTION_n,
2955
    QEMU_OPTION_tun_fd,
2956
    QEMU_OPTION_user_net,
2957
    QEMU_OPTION_tftp,
2958
    QEMU_OPTION_smb,
2959
    QEMU_OPTION_redir,
2960
    QEMU_OPTION_dummy_net,
2961

    
2962
    QEMU_OPTION_kernel,
2963
    QEMU_OPTION_append,
2964
    QEMU_OPTION_initrd,
2965

    
2966
    QEMU_OPTION_S,
2967
    QEMU_OPTION_s,
2968
    QEMU_OPTION_p,
2969
    QEMU_OPTION_d,
2970
    QEMU_OPTION_hdachs,
2971
    QEMU_OPTION_L,
2972
    QEMU_OPTION_no_code_copy,
2973
    QEMU_OPTION_pci,
2974
    QEMU_OPTION_isa,
2975
    QEMU_OPTION_prep,
2976
    QEMU_OPTION_k,
2977
    QEMU_OPTION_localtime,
2978
    QEMU_OPTION_cirrusvga,
2979
    QEMU_OPTION_g,
2980
    QEMU_OPTION_std_vga,
2981
    QEMU_OPTION_monitor,
2982
    QEMU_OPTION_serial,
2983
    QEMU_OPTION_parallel,
2984
    QEMU_OPTION_loadvm,
2985
    QEMU_OPTION_full_screen,
2986
    QEMU_OPTION_pidfile,
2987
    QEMU_OPTION_no_kqemu,
2988
    QEMU_OPTION_win2k_hack,
2989
};
2990

    
2991
typedef struct QEMUOption {
2992
    const char *name;
2993
    int flags;
2994
    int index;
2995
} QEMUOption;
2996

    
2997
const QEMUOption qemu_options[] = {
2998
    { "h", 0, QEMU_OPTION_h },
2999

    
3000
    { "M", HAS_ARG, QEMU_OPTION_M },
3001
    { "fda", HAS_ARG, QEMU_OPTION_fda },
3002
    { "fdb", HAS_ARG, QEMU_OPTION_fdb },
3003
    { "hda", HAS_ARG, QEMU_OPTION_hda },
3004
    { "hdb", HAS_ARG, QEMU_OPTION_hdb },
3005
    { "hdc", HAS_ARG, QEMU_OPTION_hdc },
3006
    { "hdd", HAS_ARG, QEMU_OPTION_hdd },
3007
    { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
3008
    { "boot", HAS_ARG, QEMU_OPTION_boot },
3009
    { "snapshot", 0, QEMU_OPTION_snapshot },
3010
    { "m", HAS_ARG, QEMU_OPTION_m },
3011
    { "nographic", 0, QEMU_OPTION_nographic },
3012
    { "k", HAS_ARG, QEMU_OPTION_k },
3013
#ifdef HAS_AUDIO
3014
    { "enable-audio", 0, QEMU_OPTION_enable_audio },
3015
    { "audio-help", 0, QEMU_OPTION_audio_help },
3016
    { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
3017
#endif
3018

    
3019
    { "nics", HAS_ARG, QEMU_OPTION_nics},
3020
    { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
3021
    { "n", HAS_ARG, QEMU_OPTION_n },
3022
    { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
3023
#ifdef CONFIG_SLIRP
3024
    { "user-net", 0, QEMU_OPTION_user_net },
3025
    { "tftp", HAS_ARG, QEMU_OPTION_tftp },
3026
#ifndef _WIN32
3027
    { "smb", HAS_ARG, QEMU_OPTION_smb },
3028
#endif
3029
    { "redir", HAS_ARG, QEMU_OPTION_redir },
3030
#endif
3031
    { "dummy-net", 0, QEMU_OPTION_dummy_net },
3032

    
3033
    { "kernel", HAS_ARG, QEMU_OPTION_kernel },
3034
    { "append", HAS_ARG, QEMU_OPTION_append },
3035
    { "initrd", HAS_ARG, QEMU_OPTION_initrd },
3036

    
3037
    { "S", 0, QEMU_OPTION_S },
3038
    { "s", 0, QEMU_OPTION_s },
3039
    { "p", HAS_ARG, QEMU_OPTION_p },
3040
    { "d", HAS_ARG, QEMU_OPTION_d },
3041
    { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
3042
    { "L", HAS_ARG, QEMU_OPTION_L },
3043
    { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
3044
#ifdef USE_KQEMU
3045
    { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
3046
#endif
3047
#ifdef TARGET_PPC
3048
    { "prep", 0, QEMU_OPTION_prep },
3049
#endif
3050
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
3051
    { "g", 1, QEMU_OPTION_g },
3052
#endif
3053
    { "localtime", 0, QEMU_OPTION_localtime },
3054
    { "isa", 0, QEMU_OPTION_isa },
3055
    { "std-vga", 0, QEMU_OPTION_std_vga },
3056
    { "monitor", 1, QEMU_OPTION_monitor },
3057
    { "serial", 1, QEMU_OPTION_serial },
3058
    { "parallel", 1, QEMU_OPTION_parallel },
3059
    { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
3060
    { "full-screen", 0, QEMU_OPTION_full_screen },
3061
    { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
3062
    { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
3063
    
3064
    /* temporary options */
3065
    { "pci", 0, QEMU_OPTION_pci },
3066
    { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
3067
    { NULL },
3068
};
3069

    
3070
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3071

    
3072
/* this stack is only used during signal handling */
3073
#define SIGNAL_STACK_SIZE 32768
3074

    
3075
static uint8_t *signal_stack;
3076

    
3077
#endif
3078

    
3079
/* password input */
3080

    
3081
static BlockDriverState *get_bdrv(int index)
3082
{
3083
    BlockDriverState *bs;
3084

    
3085
    if (index < 4) {
3086
        bs = bs_table[index];
3087
    } else if (index < 6) {
3088
        bs = fd_table[index - 4];
3089
    } else {
3090
        bs = NULL;
3091
    }
3092
    return bs;
3093
}
3094

    
3095
static void read_passwords(void)
3096
{
3097
    BlockDriverState *bs;
3098
    int i, j;
3099
    char password[256];
3100

    
3101
    for(i = 0; i < 6; i++) {
3102
        bs = get_bdrv(i);
3103
        if (bs && bdrv_is_encrypted(bs)) {
3104
            term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
3105
            for(j = 0; j < 3; j++) {
3106
                monitor_readline("Password: ", 
3107
                                 1, password, sizeof(password));
3108
                if (bdrv_set_key(bs, password) == 0)
3109
                    break;
3110
                term_printf("invalid password\n");
3111
            }
3112
        }
3113
    }
3114
}
3115

    
3116
/* XXX: currently we cannot use simultaneously different CPUs */
3117
void register_machines(void)
3118
{
3119
#if defined(TARGET_I386)
3120
    qemu_register_machine(&pc_machine);
3121
#elif defined(TARGET_PPC)
3122
    qemu_register_machine(&heathrow_machine);
3123
    qemu_register_machine(&core99_machine);
3124
    qemu_register_machine(&prep_machine);
3125
#elif defined(TARGET_MIPS)
3126
    qemu_register_machine(&mips_machine);
3127
#elif defined(TARGET_SPARC)
3128
#ifdef TARGET_SPARC64
3129
    qemu_register_machine(&sun4u_machine);
3130
#else
3131
    qemu_register_machine(&sun4m_machine);
3132
#endif
3133
#endif
3134
}
3135

    
3136
#ifdef HAS_AUDIO
3137
static void select_soundhw (const char *optarg)
3138
{
3139
    if (*optarg == '?') {
3140
    show_valid_cards:
3141
        printf ("Valid sound card names (comma separated):\n");
3142
        printf ("sb16       Creative Sound Blaster 16\n");
3143
#ifdef CONFIG_ADLIB
3144
#ifdef HAS_YMF262
3145
        printf ("adlib      Ymaha YMF262 (OPL3)\n");
3146
#else
3147
        printf ("adlib      Ymaha YM3812 (OPL2)\n");
3148
#endif
3149
#endif
3150
#ifdef CONFIG_GUS
3151
        printf ("gus        Gravis Ultrasound GF1\n");
3152
#endif
3153
        printf ("es1370     ENSONIQ AudioPCI ES1370\n");
3154
        exit (*optarg != '?');
3155
    }
3156
    else {
3157
        struct {
3158
            char *name;
3159
            int *enabledp;
3160
        } soundhw_tab[] = {
3161
            { "sb16", &sb16_enabled },
3162
#ifdef CONFIG_ADLIB
3163
            { "adlib", &adlib_enabled },
3164
#endif
3165
#ifdef CONFIG_GUS
3166
            { "gus", &gus_enabled },
3167
#endif
3168
            { "es1370", &es1370_enabled },
3169
        };
3170
        size_t tablen, l, i;
3171
        const char *p;
3172
        char *e;
3173
        int bad_card = 0;
3174

    
3175
        p = optarg;
3176
        tablen = sizeof (soundhw_tab) / sizeof (soundhw_tab[0]);
3177

    
3178
        while (*p) {
3179
            e = strchr (p, ',');
3180
            l = !e ? strlen (p) : (size_t) (e - p);
3181
            for (i = 0; i < tablen; ++i) {
3182
                if (!strncmp (soundhw_tab[i].name, p, l)) {
3183
                    audio_enabled = 1;
3184
                    *soundhw_tab[i].enabledp = 1;
3185
                    break;
3186
                }
3187
            }
3188
            if (i == tablen) {
3189
                if (l > 80) {
3190
                    fprintf (stderr,
3191
                             "Unknown sound card name (too big to show)\n");
3192
                }
3193
                else {
3194
                    fprintf (stderr, "Unknown sound card name `%.*s'\n",
3195
                             (int) l, p);
3196
                }
3197
                bad_card = 1;
3198
            }
3199
            p += l + (e != NULL);
3200
        }
3201

    
3202
        if (bad_card)
3203
            goto show_valid_cards;
3204
    }
3205
}
3206
#endif
3207

    
3208
#define NET_IF_TUN   0
3209
#define NET_IF_USER  1
3210
#define NET_IF_DUMMY 2
3211

    
3212
int main(int argc, char **argv)
3213
{
3214
#ifdef CONFIG_GDBSTUB
3215
    int use_gdbstub, gdbstub_port;
3216
#endif
3217
    int i, cdrom_index;
3218
    int snapshot, linux_boot;
3219
    CPUState *env;
3220
    const char *initrd_filename;
3221
    const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
3222
    const char *kernel_filename, *kernel_cmdline;
3223
    DisplayState *ds = &display_state;
3224
    int cyls, heads, secs, translation;
3225
    int start_emulation = 1;
3226
    uint8_t macaddr[6];
3227
    int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
3228
    int optind;
3229
    const char *r, *optarg;
3230
    CharDriverState *monitor_hd;
3231
    char monitor_device[128];
3232
    char serial_devices[MAX_SERIAL_PORTS][128];
3233
    int serial_device_index;
3234
    char parallel_devices[MAX_PARALLEL_PORTS][128];
3235
    int parallel_device_index;
3236
    const char *loadvm = NULL;
3237
    QEMUMachine *machine;
3238

    
3239
#if !defined(CONFIG_SOFTMMU)
3240
    /* we never want that malloc() uses mmap() */
3241
    mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
3242
#endif
3243
    register_machines();
3244
    machine = first_machine;
3245
    initrd_filename = NULL;
3246
    for(i = 0; i < MAX_FD; i++)
3247
        fd_filename[i] = NULL;
3248
    for(i = 0; i < MAX_DISKS; i++)
3249
        hd_filename[i] = NULL;
3250
    ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3251
    vga_ram_size = VGA_RAM_SIZE;
3252
    bios_size = BIOS_SIZE;
3253
    pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
3254
#ifdef CONFIG_GDBSTUB
3255
    use_gdbstub = 0;
3256
    gdbstub_port = DEFAULT_GDBSTUB_PORT;
3257
#endif
3258
    snapshot = 0;
3259
    nographic = 0;
3260
    kernel_filename = NULL;
3261
    kernel_cmdline = "";
3262
#ifdef TARGET_PPC
3263
    cdrom_index = 1;
3264
#else
3265
    cdrom_index = 2;
3266
#endif
3267
    cyls = heads = secs = 0;
3268
    translation = BIOS_ATA_TRANSLATION_AUTO;
3269
    pstrcpy(monitor_device, sizeof(monitor_device), "vc");
3270

    
3271
    pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
3272
    for(i = 1; i < MAX_SERIAL_PORTS; i++)
3273
        serial_devices[i][0] = '\0';
3274
    serial_device_index = 0;
3275
    
3276
    pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
3277
    for(i = 1; i < MAX_PARALLEL_PORTS; i++)
3278
        parallel_devices[i][0] = '\0';
3279
    parallel_device_index = 0;
3280
    
3281
    nb_tun_fds = 0;
3282
    net_if_type = -1;
3283
    nb_nics = 1;
3284
    /* default mac address of the first network interface */
3285
    macaddr[0] = 0x52;
3286
    macaddr[1] = 0x54;
3287
    macaddr[2] = 0x00;
3288
    macaddr[3] = 0x12;
3289
    macaddr[4] = 0x34;
3290
    macaddr[5] = 0x56;
3291
    
3292
    optind = 1;
3293
    for(;;) {
3294
        if (optind >= argc)
3295
            break;
3296
        r = argv[optind];
3297
        if (r[0] != '-') {
3298
            hd_filename[0] = argv[optind++];
3299
        } else {
3300
            const QEMUOption *popt;
3301

    
3302
            optind++;
3303
            popt = qemu_options;
3304
            for(;;) {
3305
                if (!popt->name) {
3306
                    fprintf(stderr, "%s: invalid option -- '%s'\n", 
3307
                            argv[0], r);
3308
                    exit(1);
3309
                }
3310
                if (!strcmp(popt->name, r + 1))
3311
                    break;
3312
                popt++;
3313
            }
3314
            if (popt->flags & HAS_ARG) {
3315
                if (optind >= argc) {
3316
                    fprintf(stderr, "%s: option '%s' requires an argument\n",
3317
                            argv[0], r);
3318
                    exit(1);
3319
                }
3320
                optarg = argv[optind++];
3321
            } else {
3322
                optarg = NULL;
3323
            }
3324

    
3325
            switch(popt->index) {
3326
            case QEMU_OPTION_M:
3327
                machine = find_machine(optarg);
3328
                if (!machine) {
3329
                    QEMUMachine *m;
3330
                    printf("Supported machines are:\n");
3331
                    for(m = first_machine; m != NULL; m = m->next) {
3332
                        printf("%-10s %s%s\n",
3333
                               m->name, m->desc, 
3334
                               m == first_machine ? " (default)" : "");
3335
                    }
3336
                    exit(1);
3337
                }
3338
                break;
3339
            case QEMU_OPTION_initrd:
3340
                initrd_filename = optarg;
3341
                break;
3342
            case QEMU_OPTION_hda:
3343
            case QEMU_OPTION_hdb:
3344
            case QEMU_OPTION_hdc:
3345
            case QEMU_OPTION_hdd:
3346
                {
3347
                    int hd_index;
3348
                    hd_index = popt->index - QEMU_OPTION_hda;
3349
                    hd_filename[hd_index] = optarg;
3350
                    if (hd_index == cdrom_index)
3351
                        cdrom_index = -1;
3352
                }
3353
                break;
3354
            case QEMU_OPTION_snapshot:
3355
                snapshot = 1;
3356
                break;
3357
            case QEMU_OPTION_hdachs:
3358
                {
3359
                    const char *p;
3360
                    p = optarg;
3361
                    cyls = strtol(p, (char **)&p, 0);
3362
                    if (cyls < 1 || cyls > 16383)
3363
                        goto chs_fail;
3364
                    if (*p != ',')
3365
                        goto chs_fail;
3366
                    p++;
3367
                    heads = strtol(p, (char **)&p, 0);
3368
                    if (heads < 1 || heads > 16)
3369
                        goto chs_fail;
3370
                    if (*p != ',')
3371
                        goto chs_fail;
3372
                    p++;
3373
                    secs = strtol(p, (char **)&p, 0);
3374
                    if (secs < 1 || secs > 63)
3375
                        goto chs_fail;
3376
                    if (*p == ',') {
3377
                        p++;
3378
                        if (!strcmp(p, "none"))
3379
                            translation = BIOS_ATA_TRANSLATION_NONE;
3380
                        else if (!strcmp(p, "lba"))
3381
                            translation = BIOS_ATA_TRANSLATION_LBA;
3382
                        else if (!strcmp(p, "auto"))
3383
                            translation = BIOS_ATA_TRANSLATION_AUTO;
3384
                        else
3385
                            goto chs_fail;
3386
                    } else if (*p != '\0') {
3387
                    chs_fail:
3388
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3389
                        exit(1);
3390
                    }
3391
                }
3392
                break;
3393
            case QEMU_OPTION_nographic:
3394
                pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
3395
                pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
3396
                nographic = 1;
3397
                break;
3398
            case QEMU_OPTION_kernel:
3399
                kernel_filename = optarg;
3400
                break;
3401
            case QEMU_OPTION_append:
3402
                kernel_cmdline = optarg;
3403
                break;
3404
            case QEMU_OPTION_tun_fd:
3405
                {
3406
                    const char *p;
3407
                    int fd;
3408
                    net_if_type = NET_IF_TUN;
3409
                    if (nb_tun_fds < MAX_NICS) {
3410
                        fd = strtol(optarg, (char **)&p, 0);
3411
                        if (*p != '\0') {
3412
                            fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
3413
                            exit(1);
3414
                        }
3415
                        tun_fds[nb_tun_fds++] = fd;
3416
                    }
3417
                }
3418
                break;
3419
            case QEMU_OPTION_cdrom:
3420
                if (cdrom_index >= 0) {
3421
                    hd_filename[cdrom_index] = optarg;
3422
                }
3423
                break;
3424
            case QEMU_OPTION_boot:
3425
                boot_device = optarg[0];
3426
                if (boot_device != 'a' && 
3427
#ifdef TARGET_SPARC
3428
                    // Network boot
3429
                    boot_device != 'n' &&
3430
#endif
3431
                    boot_device != 'c' && boot_device != 'd') {
3432
                    fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
3433
                    exit(1);
3434
                }
3435
                break;
3436
            case QEMU_OPTION_fda:
3437
                fd_filename[0] = optarg;
3438
                break;
3439
            case QEMU_OPTION_fdb:
3440
                fd_filename[1] = optarg;
3441
                break;
3442
            case QEMU_OPTION_no_code_copy:
3443
                code_copy_enabled = 0;
3444
                break;
3445
            case QEMU_OPTION_nics:
3446
                nb_nics = atoi(optarg);
3447
                if (nb_nics < 0 || nb_nics > MAX_NICS) {
3448
                    fprintf(stderr, "qemu: invalid number of network interfaces\n");
3449
                    exit(1);
3450
                }
3451
                break;
3452
            case QEMU_OPTION_macaddr:
3453
                {
3454
                    const char *p;
3455
                    int i;
3456
                    p = optarg;
3457
                    for(i = 0; i < 6; i++) {
3458
                        macaddr[i] = strtol(p, (char **)&p, 16);
3459
                        if (i == 5) {
3460
                            if (*p != '\0') 
3461
                                goto macaddr_error;
3462
                        } else {
3463
                            if (*p != ':') {
3464
                            macaddr_error:
3465
                                fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
3466
                                exit(1);
3467
                            }
3468
                            p++;
3469
                        }
3470
                    }
3471
                }
3472
                break;
3473
#ifdef CONFIG_SLIRP
3474
            case QEMU_OPTION_tftp:
3475
                tftp_prefix = optarg;
3476
                break;
3477
#ifndef _WIN32
3478
            case QEMU_OPTION_smb:
3479
                net_slirp_smb(optarg);
3480
                break;
3481
#endif
3482
            case QEMU_OPTION_user_net:
3483
                net_if_type = NET_IF_USER;
3484
                break;
3485
            case QEMU_OPTION_redir:
3486
                net_slirp_redir(optarg);                
3487
                break;
3488
#endif
3489
            case QEMU_OPTION_dummy_net:
3490
                net_if_type = NET_IF_DUMMY;
3491
                break;
3492
#ifdef HAS_AUDIO
3493
            case QEMU_OPTION_enable_audio:
3494
                audio_enabled = 1;
3495
                sb16_enabled = 1;
3496
                adlib_enabled = 1;
3497
                gus_enabled = 1;
3498
                es1370_enabled = 1;
3499
                break;
3500
            case QEMU_OPTION_audio_help:
3501
                AUD_help ();
3502
                exit (0);
3503
                break;
3504
            case QEMU_OPTION_soundhw:
3505
                select_soundhw (optarg);
3506
                break;
3507
#endif
3508
            case QEMU_OPTION_h:
3509
                help();
3510
                break;
3511
            case QEMU_OPTION_m:
3512
                ram_size = atoi(optarg) * 1024 * 1024;
3513
                if (ram_size <= 0)
3514
                    help();
3515
                if (ram_size > PHYS_RAM_MAX_SIZE) {
3516
                    fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
3517
                            PHYS_RAM_MAX_SIZE / (1024 * 1024));
3518
                    exit(1);
3519
                }
3520
                break;
3521
            case QEMU_OPTION_d:
3522
                {
3523
                    int mask;
3524
                    CPULogItem *item;
3525
                    
3526
                    mask = cpu_str_to_log_mask(optarg);
3527
                    if (!mask) {
3528
                        printf("Log items (comma separated):\n");
3529
                    for(item = cpu_log_items; item->mask != 0; item++) {
3530
                        printf("%-10s %s\n", item->name, item->help);
3531
                    }
3532
                    exit(1);
3533
                    }
3534
                    cpu_set_log(mask);
3535
                }
3536
                break;
3537
            case QEMU_OPTION_n:
3538
                pstrcpy(network_script, sizeof(network_script), optarg);
3539
                break;
3540
#ifdef CONFIG_GDBSTUB
3541
            case QEMU_OPTION_s:
3542
                use_gdbstub = 1;
3543
                break;
3544
            case QEMU_OPTION_p:
3545
                gdbstub_port = atoi(optarg);
3546
                break;
3547
#endif
3548
            case QEMU_OPTION_L:
3549
                bios_dir = optarg;
3550
                break;
3551
            case QEMU_OPTION_S:
3552
                start_emulation = 0;
3553
                break;
3554
            case QEMU_OPTION_pci:
3555
                pci_enabled = 1;
3556
                break;
3557
            case QEMU_OPTION_isa:
3558
                pci_enabled = 0;
3559
                break;
3560
            case QEMU_OPTION_prep:
3561
                prep_enabled = 1;
3562
                break;
3563
            case QEMU_OPTION_k:
3564
                keyboard_layout = optarg;
3565
                break;
3566
            case QEMU_OPTION_localtime:
3567
                rtc_utc = 0;
3568
                break;
3569
            case QEMU_OPTION_cirrusvga:
3570
                cirrus_vga_enabled = 1;
3571
                break;
3572
            case QEMU_OPTION_std_vga:
3573
                cirrus_vga_enabled = 0;
3574
                break;
3575
            case QEMU_OPTION_g:
3576
                {
3577
                    const char *p;
3578
                    int w, h, depth;
3579
                    p = optarg;
3580
                    w = strtol(p, (char **)&p, 10);
3581
                    if (w <= 0) {
3582
                    graphic_error:
3583
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3584
                        exit(1);
3585
                    }
3586
                    if (*p != 'x')
3587
                        goto graphic_error;
3588
                    p++;
3589
                    h = strtol(p, (char **)&p, 10);
3590
                    if (h <= 0)
3591
                        goto graphic_error;
3592
                    if (*p == 'x') {
3593
                        p++;
3594
                        depth = strtol(p, (char **)&p, 10);
3595
                        if (depth != 8 && depth != 15 && depth != 16 && 
3596
                            depth != 24 && depth != 32)
3597
                            goto graphic_error;
3598
                    } else if (*p == '\0') {
3599
                        depth = graphic_depth;
3600
                    } else {
3601
                        goto graphic_error;
3602
                    }
3603
                    
3604
                    graphic_width = w;
3605
                    graphic_height = h;
3606
                    graphic_depth = depth;
3607
                }
3608
                break;
3609
            case QEMU_OPTION_monitor:
3610
                pstrcpy(monitor_device, sizeof(monitor_device), optarg);
3611
                break;
3612
            case QEMU_OPTION_serial:
3613
                if (serial_device_index >= MAX_SERIAL_PORTS) {
3614
                    fprintf(stderr, "qemu: too many serial ports\n");
3615
                    exit(1);
3616
                }
3617
                pstrcpy(serial_devices[serial_device_index], 
3618
                        sizeof(serial_devices[0]), optarg);
3619
                serial_device_index++;
3620
                break;
3621
            case QEMU_OPTION_parallel:
3622
                if (parallel_device_index >= MAX_PARALLEL_PORTS) {
3623
                    fprintf(stderr, "qemu: too many parallel ports\n");
3624
                    exit(1);
3625
                }
3626
                pstrcpy(parallel_devices[parallel_device_index], 
3627
                        sizeof(parallel_devices[0]), optarg);
3628
                parallel_device_index++;
3629
                break;
3630
            case QEMU_OPTION_loadvm:
3631
                loadvm = optarg;
3632
                break;
3633
            case QEMU_OPTION_full_screen:
3634
                full_screen = 1;
3635
                break;
3636
            case QEMU_OPTION_pidfile:
3637
                create_pidfile(optarg);
3638
                break;
3639
#ifdef TARGET_I386
3640
            case QEMU_OPTION_win2k_hack:
3641
                win2k_install_hack = 1;
3642
                break;
3643
#endif
3644
#ifdef USE_KQEMU
3645
            case QEMU_OPTION_no_kqemu:
3646
                kqemu_allowed = 0;
3647
                break;
3648
#endif
3649
            }
3650
        }
3651
    }
3652

    
3653
    linux_boot = (kernel_filename != NULL);
3654
        
3655
    if (!linux_boot && 
3656
        hd_filename[0] == '\0' && 
3657
        (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
3658
        fd_filename[0] == '\0')
3659
        help();
3660
    
3661
    /* boot to cd by default if no hard disk */
3662
    if (hd_filename[0] == '\0' && boot_device == 'c') {
3663
        if (fd_filename[0] != '\0')
3664
            boot_device = 'a';
3665
        else
3666
            boot_device = 'd';
3667
    }
3668

    
3669
#if !defined(CONFIG_SOFTMMU)
3670
    /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3671
    {
3672
        static uint8_t stdout_buf[4096];
3673
        setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
3674
    }
3675
#else
3676
    setvbuf(stdout, NULL, _IOLBF, 0);
3677
#endif
3678

    
3679
    /* init host network redirectors */
3680
    if (net_if_type == -1) {
3681
        net_if_type = NET_IF_TUN;
3682
#if defined(CONFIG_SLIRP)
3683
        if (access(network_script, R_OK) < 0) {
3684
            net_if_type = NET_IF_USER;
3685
        }
3686
#endif
3687
    }
3688

    
3689
    for(i = 0; i < nb_nics; i++) {
3690
        NetDriverState *nd = &nd_table[i];
3691
        nd->index = i;
3692
        /* init virtual mac address */
3693
        nd->macaddr[0] = macaddr[0];
3694
        nd->macaddr[1] = macaddr[1];
3695
        nd->macaddr[2] = macaddr[2];
3696
        nd->macaddr[3] = macaddr[3];
3697
        nd->macaddr[4] = macaddr[4];
3698
        nd->macaddr[5] = macaddr[5] + i;
3699
        switch(net_if_type) {
3700
#if defined(CONFIG_SLIRP)
3701
        case NET_IF_USER:
3702
            net_slirp_init(nd);
3703
            break;
3704
#endif
3705
#if !defined(_WIN32)
3706
        case NET_IF_TUN:
3707
            if (i < nb_tun_fds) {
3708
                net_fd_init(nd, tun_fds[i]);
3709
            } else {
3710
                if (net_tun_init(nd) < 0)
3711
                    net_dummy_init(nd);
3712
            }
3713
            break;
3714
#endif
3715
        case NET_IF_DUMMY:
3716
        default:
3717
            net_dummy_init(nd);
3718
            break;
3719
        }
3720
    }
3721

    
3722
    /* init the memory */
3723
    phys_ram_size = ram_size + vga_ram_size + bios_size;
3724

    
3725
#ifdef CONFIG_SOFTMMU
3726
    phys_ram_base = qemu_vmalloc(phys_ram_size);
3727
    if (!phys_ram_base) {
3728
        fprintf(stderr, "Could not allocate physical memory\n");
3729
        exit(1);
3730
    }
3731
#else
3732
    /* as we must map the same page at several addresses, we must use
3733
       a fd */
3734
    {
3735
        const char *tmpdir;
3736

    
3737
        tmpdir = getenv("QEMU_TMPDIR");
3738
        if (!tmpdir)
3739
            tmpdir = "/tmp";
3740
        snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3741
        if (mkstemp(phys_ram_file) < 0) {
3742
            fprintf(stderr, "Could not create temporary memory file '%s'\n", 
3743
                    phys_ram_file);
3744
            exit(1);
3745
        }
3746
        phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3747
        if (phys_ram_fd < 0) {
3748
            fprintf(stderr, "Could not open temporary memory file '%s'\n", 
3749
                    phys_ram_file);
3750
            exit(1);
3751
        }
3752
        ftruncate(phys_ram_fd, phys_ram_size);
3753
        unlink(phys_ram_file);
3754
        phys_ram_base = mmap(get_mmap_addr(phys_ram_size), 
3755
                             phys_ram_size, 
3756
                             PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, 
3757
                             phys_ram_fd, 0);
3758
        if (phys_ram_base == MAP_FAILED) {
3759
            fprintf(stderr, "Could not map physical memory\n");
3760
            exit(1);
3761
        }
3762
    }
3763
#endif
3764

    
3765
    /* we always create the cdrom drive, even if no disk is there */
3766
    bdrv_init();
3767
    if (cdrom_index >= 0) {
3768
        bs_table[cdrom_index] = bdrv_new("cdrom");
3769
        bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
3770
    }
3771

    
3772
    /* open the virtual block devices */
3773
    for(i = 0; i < MAX_DISKS; i++) {
3774
        if (hd_filename[i]) {
3775
            if (!bs_table[i]) {
3776
                char buf[64];
3777
                snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3778
                bs_table[i] = bdrv_new(buf);
3779
            }
3780
            if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3781
                fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3782
                        hd_filename[i]);
3783
                exit(1);
3784
            }
3785
            if (i == 0 && cyls != 0) {
3786
                bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3787
                bdrv_set_translation_hint(bs_table[i], translation);
3788
            }
3789
        }
3790
    }
3791

    
3792
    /* we always create at least one floppy disk */
3793
    fd_table[0] = bdrv_new("fda");
3794
    bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3795

    
3796
    for(i = 0; i < MAX_FD; i++) {
3797
        if (fd_filename[i]) {
3798
            if (!fd_table[i]) {
3799
                char buf[64];
3800
                snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3801
                fd_table[i] = bdrv_new(buf);
3802
                bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3803
            }
3804
            if (fd_filename[i] != '\0') {
3805
                if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3806
                    fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3807
                            fd_filename[i]);
3808
                    exit(1);
3809
                }
3810
            }
3811
        }
3812
    }
3813

    
3814
    /* init CPU state */
3815
    env = cpu_init();
3816
    global_env = env;
3817
    cpu_single_env = env;
3818

    
3819
    register_savevm("timer", 0, 1, timer_save, timer_load, env);
3820
    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
3821
    register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3822
    qemu_register_reset(main_cpu_reset, global_env);
3823

    
3824
    init_ioports();
3825
    cpu_calibrate_ticks();
3826

    
3827
    /* terminal init */
3828
    if (nographic) {
3829
        dumb_display_init(ds);
3830
    } else {
3831
#if defined(CONFIG_SDL)
3832
        sdl_display_init(ds, full_screen);
3833
#elif defined(CONFIG_COCOA)
3834
        cocoa_display_init(ds, full_screen);
3835
#else
3836
        dumb_display_init(ds);
3837
#endif
3838
    }
3839

    
3840
    vga_console = graphic_console_init(ds);
3841
    
3842
    monitor_hd = qemu_chr_open(monitor_device);
3843
    if (!monitor_hd) {
3844
        fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3845
        exit(1);
3846
    }
3847
    monitor_init(monitor_hd, !nographic);
3848

    
3849
    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
3850
        if (serial_devices[i][0] != '\0') {
3851
            serial_hds[i] = qemu_chr_open(serial_devices[i]);
3852
            if (!serial_hds[i]) {
3853
                fprintf(stderr, "qemu: could not open serial device '%s'\n", 
3854
                        serial_devices[i]);
3855
                exit(1);
3856
            }
3857
            if (!strcmp(serial_devices[i], "vc"))
3858
                qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
3859
        }
3860
    }
3861

    
3862
    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
3863
        if (parallel_devices[i][0] != '\0') {
3864
            parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
3865
            if (!parallel_hds[i]) {
3866
                fprintf(stderr, "qemu: could not open parallel device '%s'\n", 
3867
                        parallel_devices[i]);
3868
                exit(1);
3869
            }
3870
            if (!strcmp(parallel_devices[i], "vc"))
3871
                qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
3872
        }
3873
    }
3874

    
3875
    /* setup cpu signal handlers for MMU / self modifying code handling */
3876
#if !defined(CONFIG_SOFTMMU)
3877
    
3878
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3879
    {
3880
        stack_t stk;
3881
        signal_stack = memalign(16, SIGNAL_STACK_SIZE);
3882
        stk.ss_sp = signal_stack;
3883
        stk.ss_size = SIGNAL_STACK_SIZE;
3884
        stk.ss_flags = 0;
3885

    
3886
        if (sigaltstack(&stk, NULL) < 0) {
3887
            perror("sigaltstack");
3888
            exit(1);
3889
        }
3890
    }
3891
#endif
3892
    {
3893
        struct sigaction act;
3894
        
3895
        sigfillset(&act.sa_mask);
3896
        act.sa_flags = SA_SIGINFO;
3897
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3898
        act.sa_flags |= SA_ONSTACK;
3899
#endif
3900
        act.sa_sigaction = host_segv_handler;
3901
        sigaction(SIGSEGV, &act, NULL);
3902
        sigaction(SIGBUS, &act, NULL);
3903
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
3904
        sigaction(SIGFPE, &act, NULL);
3905
#endif
3906
    }
3907
#endif
3908

    
3909
#ifndef _WIN32
3910
    {
3911
        struct sigaction act;
3912
        sigfillset(&act.sa_mask);
3913
        act.sa_flags = 0;
3914
        act.sa_handler = SIG_IGN;
3915
        sigaction(SIGPIPE, &act, NULL);
3916
    }
3917
#endif
3918
    init_timers();
3919

    
3920
    machine->init(ram_size, vga_ram_size, boot_device,
3921
                  ds, fd_filename, snapshot,
3922
                  kernel_filename, kernel_cmdline, initrd_filename);
3923

    
3924
    gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
3925
    qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
3926

    
3927
#ifdef CONFIG_GDBSTUB
3928
    if (use_gdbstub) {
3929
        if (gdbserver_start(gdbstub_port) < 0) {
3930
            fprintf(stderr, "Could not open gdbserver socket on port %d\n", 
3931
                    gdbstub_port);
3932
            exit(1);
3933
        } else {
3934
            printf("Waiting gdb connection on port %d\n", gdbstub_port);
3935
        }
3936
    } else 
3937
#endif
3938
    if (loadvm)
3939
        qemu_loadvm(loadvm);
3940

    
3941
    {
3942
        /* XXX: simplify init */
3943
        read_passwords();
3944
        if (start_emulation) {
3945
            vm_start();
3946
        }
3947
    }
3948
    main_loop();
3949
    quit_timers();
3950
    return 0;
3951
}