| /* | |
| * 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) |