x86/lib/crc-pclmul-consts.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 …*	./scripts/gen-crc-consts.py x86_pclmul crc16_msb_0x8bb7,crc32_lsb_0xedb88320,crc64_msb_0x42f0e1e…
11  * CRC folding constants generated for most-significant-bit-first CRC-16 using
12  * G(x) = x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + x^0
24 	.bswap_mask = {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0},
46 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
47 		 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
48 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
51 		0x8bb7000000000000,	/* LO64_TERMS: (G - x^16) * x^48 */
52 		0xf65a57f81d33a48a,	/* HI64_TERMS: (floor(x^79 / G) * x) - x^64 */
57  * CRC folding constants generated for least-significant-bit-first CRC-32 using
59  *        x^5 + x^4 + x^2 + x^1 + x^0
91 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
92 		 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
93 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
97 		0x00000001db710640,	/* LO64_TERMS: (G - x^32) * x^31 */
102  * CRC folding constants generated for most-significant-bit-first CRC-64 using
106  *        x^7 + x^4 + x^1 + x^0
118 	.bswap_mask = {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0},
140 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
141 		 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
142 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
145 		0x42f0e1eba9ea3693,	/* LO64_TERMS: (G - x^64) * x^0 */
146 		0x578d29d06cc4f872,	/* HI64_TERMS: (floor(x^127 / G) * x) - x^64 */
151  * CRC folding constants generated for least-significant-bit-first CRC-64 using
187 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
188 		 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
189 		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
193 		0x34d926535897936a,	/* LO64_TERMS: (G - x^64 - x^0) / x */