Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  lzodefs.h -- architecture, OS and compiler specific defines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@oberhumer.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  The full LZO package can be found at:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *  http://www.oberhumer.com/opensource/lzo/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *  Changed for Linux kernel use by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *  Nitin Gupta <nitingupta910@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *  Richard Purdie <rpurdie@openedhand.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* Version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * 0: original lzo version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * 1: lzo with support for RLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define LZO_VERSION 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define COPY4(dst, src)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #if defined(CONFIG_X86_64) || defined(CONFIG_ARM64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define COPY8(dst, src)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define COPY8(dst, src)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		COPY4(dst, src); COPY4((dst) + 4, (src) + 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #if defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #error "conflicting endian definitions"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #elif defined(CONFIG_X86_64) || defined(CONFIG_ARM64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define LZO_USE_CTZ64	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define LZO_USE_CTZ32	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define LZO_FAST_64BIT_MEMORY_ACCESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #elif defined(CONFIG_X86) || defined(CONFIG_PPC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define LZO_USE_CTZ32	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #elif defined(CONFIG_ARM) && (__LINUX_ARM_ARCH__ >= 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define LZO_USE_CTZ32	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define M1_MAX_OFFSET	0x0400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define M2_MAX_OFFSET	0x0800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define M3_MAX_OFFSET	0x4000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define M4_MAX_OFFSET_V0	0xbfff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define M4_MAX_OFFSET_V1	0xbffe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define M1_MIN_LEN	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define M1_MAX_LEN	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define M2_MIN_LEN	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define M2_MAX_LEN	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define M3_MIN_LEN	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define M3_MAX_LEN	33
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define M4_MIN_LEN	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define M4_MAX_LEN	9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define M1_MARKER	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define M2_MARKER	64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define M3_MARKER	32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define M4_MARKER	16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define MIN_ZERO_RUN_LENGTH	4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define MAX_ZERO_RUN_LENGTH	(2047 + MIN_ZERO_RUN_LENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define lzo_dict_t      unsigned short
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define D_BITS		13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define D_SIZE		(1u << D_BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define D_MASK		(D_SIZE - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define D_HIGH		((D_MASK >> 1) + 1)