75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
#ident "$Id: memdisk.h,v 1.9 2005/03/08 18:39:32 hpa Exp $"
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/* ----------------------------------------------------------------------- *
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*
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* Copyright 2001-2003 H. Peter Anvin - All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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* Boston MA 02111-1307, USA; either version 2 of the License, or
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* (at your option) any later version; incorporated herein by reference.
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*
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* ----------------------------------------------------------------------- */
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/*
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* memdisk.h
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*
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* Miscellaneous header definitions
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*/
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#ifndef MEMDISK_H
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#define MEMDISK_H
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/* We use the com32 interface for calling 16-bit code */
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#include <com32.h>
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/* The real-mode segment */
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#define LOW_SEG 0x0800
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typedef void (*syscall_t)(uint8_t, com32sys_t *, com32sys_t *);
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extern syscall_t syscall;
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extern void *sys_bounce;
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/* What to call when we're dead */
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extern void __attribute__((noreturn)) die(void);
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/* Standard routines */
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#define memcpy(a,b,c) __builtin_memcpy(a,b,c)
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#define memset(a,b,c) __builtin_memset(a,b,c)
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#define strcpy(a,b) __builtin_strcpy(a,b)
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#define strlen(a) __builtin_strlen(a)
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/* memcpy() but returns a pointer to end of buffer */
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static inline void *
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memcpy_endptr(void *__d, const void *__s, unsigned int __n)
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{
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memcpy(__d, __s, __n);
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return (void *)((char *)__d + __n);
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}
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/* memcmp() */
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static inline int
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memcmp(const void *__a, const void *__b, unsigned int __n)
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{
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const unsigned char *__aa = __a;
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const unsigned char *__bb = __b;
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int __d;
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while ( __n ) {
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__d = *__bb++ - *__aa++;
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if ( __d )
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return __d;
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}
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return 0;
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}
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/* Decompression */
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extern int check_zip(void *indata, uint32_t size, uint32_t *zbytes_p,
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uint32_t *dbytes_p, uint32_t *orig_crc,
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uint32_t *offset_p);
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extern void *unzip(void *indata, uint32_t zbytes, uint32_t dbytes,
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uint32_t orig_crc, void *target);
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#endif
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