6b13f685e
 김민수
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/*
* lzodefs.h -- architecture, OS and compiler specific defines
*
* Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@oberhumer.com>
*
* The full LZO package can be found at:
* http://www.oberhumer.com/opensource/lzo/
*
* Changed for Linux kernel use by:
* Nitin Gupta <nitingupta910@gmail.com>
* Richard Purdie <rpurdie@openedhand.com>
*/
#define COPY4(dst, src) \
put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst))
#if defined(__x86_64__)
#define COPY8(dst, src) \
put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst))
#else
#define COPY8(dst, src) \
COPY4(dst, src); COPY4((dst) + 4, (src) + 4)
#endif
#if defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
#error "conflicting endian definitions"
#elif defined(__x86_64__)
#define LZO_USE_CTZ64 1
#define LZO_USE_CTZ32 1
#elif defined(__i386__) || defined(__powerpc__)
#define LZO_USE_CTZ32 1
#elif defined(__arm__) && (__LINUX_ARM_ARCH__ >= 5)
#define LZO_USE_CTZ32 1
#endif
#define M1_MAX_OFFSET 0x0400
#define M2_MAX_OFFSET 0x0800
#define M3_MAX_OFFSET 0x4000
#define M4_MAX_OFFSET 0xbfff
#define M1_MIN_LEN 2
#define M1_MAX_LEN 2
#define M2_MIN_LEN 3
#define M2_MAX_LEN 8
#define M3_MIN_LEN 3
#define M3_MAX_LEN 33
#define M4_MIN_LEN 3
#define M4_MAX_LEN 9
#define M1_MARKER 0
#define M2_MARKER 64
#define M3_MARKER 32
#define M4_MARKER 16
#define lzo_dict_t unsigned short
#define D_BITS 13
#define D_SIZE (1u << D_BITS)
#define D_MASK (D_SIZE - 1)
#define D_HIGH ((D_MASK >> 1) + 1)
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