1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * lzodefs.h -- architecture, OS and compiler specific defines 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@oberhumer.com> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * The full LZO package can be found at: 7*4882a593Smuzhiyun * http://www.oberhumer.com/opensource/lzo/ 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * Changed for kernel use by: 10*4882a593Smuzhiyun * Nitin Gupta <nitingupta910@gmail.com> 11*4882a593Smuzhiyun * Richard Purdie <rpurdie@openedhand.com> 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define LZO_VERSION 0x2020 15*4882a593Smuzhiyun #define LZO_VERSION_STRING "2.02" 16*4882a593Smuzhiyun #define LZO_VERSION_DATE "Oct 17 2005" 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define M1_MAX_OFFSET 0x0400 19*4882a593Smuzhiyun #define M2_MAX_OFFSET 0x0800 20*4882a593Smuzhiyun #define M3_MAX_OFFSET 0x4000 21*4882a593Smuzhiyun #define M4_MAX_OFFSET 0xbfff 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #define M1_MIN_LEN 2 24*4882a593Smuzhiyun #define M1_MAX_LEN 2 25*4882a593Smuzhiyun #define M2_MIN_LEN 3 26*4882a593Smuzhiyun #define M2_MAX_LEN 8 27*4882a593Smuzhiyun #define M3_MIN_LEN 3 28*4882a593Smuzhiyun #define M3_MAX_LEN 33 29*4882a593Smuzhiyun #define M4_MIN_LEN 3 30*4882a593Smuzhiyun #define M4_MAX_LEN 9 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define M1_MARKER 0 33*4882a593Smuzhiyun #define M2_MARKER 64 34*4882a593Smuzhiyun #define M3_MARKER 32 35*4882a593Smuzhiyun #define M4_MARKER 16 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #define D_BITS 14 38*4882a593Smuzhiyun #define D_MASK ((1u << D_BITS) - 1) 39*4882a593Smuzhiyun #define D_HIGH ((D_MASK >> 1) + 1) 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #define DX2(p, s1, s2) (((((size_t)((p)[2]) << (s2)) ^ (p)[1]) \ 42*4882a593Smuzhiyun << (s1)) ^ (p)[0]) 43*4882a593Smuzhiyun #define DX3(p, s1, s2, s3) ((DX2((p)+1, s2, s3) << (s1)) ^ (p)[0]) 44