1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 264c70b1cSRichard Purdie /* 364c70b1cSRichard Purdie * lzodefs.h -- architecture, OS and compiler specific defines 464c70b1cSRichard Purdie * 58b975bd3SMarkus F.X.J. Oberhumer * Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@oberhumer.com> 664c70b1cSRichard Purdie * 764c70b1cSRichard Purdie * The full LZO package can be found at: 864c70b1cSRichard Purdie * http://www.oberhumer.com/opensource/lzo/ 964c70b1cSRichard Purdie * 108b975bd3SMarkus F.X.J. Oberhumer * Changed for Linux kernel use by: 1164c70b1cSRichard Purdie * Nitin Gupta <nitingupta910@gmail.com> 1264c70b1cSRichard Purdie * Richard Purdie <rpurdie@openedhand.com> 1364c70b1cSRichard Purdie */ 1464c70b1cSRichard Purdie 158b975bd3SMarkus F.X.J. Oberhumer 168b975bd3SMarkus F.X.J. Oberhumer #define COPY4(dst, src) \ 178b975bd3SMarkus F.X.J. Oberhumer put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst)) 1895777591SDave Rodgman #if defined(CONFIG_X86_64) 198b975bd3SMarkus F.X.J. Oberhumer #define COPY8(dst, src) \ 208b975bd3SMarkus F.X.J. Oberhumer put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst)) 218b975bd3SMarkus F.X.J. Oberhumer #else 228b975bd3SMarkus F.X.J. Oberhumer #define COPY8(dst, src) \ 238b975bd3SMarkus F.X.J. Oberhumer COPY4(dst, src); COPY4((dst) + 4, (src) + 4) 248b975bd3SMarkus F.X.J. Oberhumer #endif 258b975bd3SMarkus F.X.J. Oberhumer 268b975bd3SMarkus F.X.J. Oberhumer #if defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN) 278b975bd3SMarkus F.X.J. Oberhumer #error "conflicting endian definitions" 2895777591SDave Rodgman #elif defined(CONFIG_X86_64) 298b975bd3SMarkus F.X.J. Oberhumer #define LZO_USE_CTZ64 1 308b975bd3SMarkus F.X.J. Oberhumer #define LZO_USE_CTZ32 1 3195777591SDave Rodgman #elif defined(CONFIG_X86) || defined(CONFIG_PPC) 328b975bd3SMarkus F.X.J. Oberhumer #define LZO_USE_CTZ32 1 3395777591SDave Rodgman #elif defined(CONFIG_ARM) && (__LINUX_ARM_ARCH__ >= 5) 348b975bd3SMarkus F.X.J. Oberhumer #define LZO_USE_CTZ32 1 358b975bd3SMarkus F.X.J. Oberhumer #endif 3664c70b1cSRichard Purdie 3764c70b1cSRichard Purdie #define M1_MAX_OFFSET 0x0400 3864c70b1cSRichard Purdie #define M2_MAX_OFFSET 0x0800 3964c70b1cSRichard Purdie #define M3_MAX_OFFSET 0x4000 4064c70b1cSRichard Purdie #define M4_MAX_OFFSET 0xbfff 4164c70b1cSRichard Purdie 4264c70b1cSRichard Purdie #define M1_MIN_LEN 2 4364c70b1cSRichard Purdie #define M1_MAX_LEN 2 4464c70b1cSRichard Purdie #define M2_MIN_LEN 3 4564c70b1cSRichard Purdie #define M2_MAX_LEN 8 4664c70b1cSRichard Purdie #define M3_MIN_LEN 3 4764c70b1cSRichard Purdie #define M3_MAX_LEN 33 4864c70b1cSRichard Purdie #define M4_MIN_LEN 3 4964c70b1cSRichard Purdie #define M4_MAX_LEN 9 5064c70b1cSRichard Purdie 5164c70b1cSRichard Purdie #define M1_MARKER 0 5264c70b1cSRichard Purdie #define M2_MARKER 64 5364c70b1cSRichard Purdie #define M3_MARKER 32 5464c70b1cSRichard Purdie #define M4_MARKER 16 5564c70b1cSRichard Purdie 568b975bd3SMarkus F.X.J. Oberhumer #define lzo_dict_t unsigned short 578b975bd3SMarkus F.X.J. Oberhumer #define D_BITS 13 588b975bd3SMarkus F.X.J. Oberhumer #define D_SIZE (1u << D_BITS) 598b975bd3SMarkus F.X.J. Oberhumer #define D_MASK (D_SIZE - 1) 6064c70b1cSRichard Purdie #define D_HIGH ((D_MASK >> 1) + 1) 61