arm64/crypto/sha2-ce-core.S

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * sha2-ce-core.S - core SHA-224/SHA-256 transform using v8 Crypto Extensions
12 	.arch		armv8-a+crypto
51 	 * The SHA-256 round constants
81 	ld1		{ v0.4s- v3.4s}, [x8], #64
82 	ld1		{ v4.4s- v7.4s}, [x8], #64
83 	ld1		{ v8.4s-v11.4s}, [x8], #64
84 	ld1		{v12.4s-v15.4s}, [x8]
93 	/* load input */
94 0:	ld1		{v16.4s-v19.4s}, [x1], #64
106 	add_update	0,  v1, 16, 17, 18, 19
107 	add_update	1,  v2, 17, 18, 19, 16
108 	add_update	0,  v3, 18, 19, 16, 17
109 	add_update	1,  v4, 19, 16, 17, 18
111 	add_update	0,  v5, 16, 17, 18, 19
112 	add_update	1,  v6, 17, 18, 19, 16
113 	add_update	0,  v7, 18, 19, 16, 17
114 	add_update	1,  v8, 19, 16, 17, 18
116 	add_update	0,  v9, 16, 17, 18, 19
117 	add_update	1, v10, 17, 18, 19, 16
118 	add_update	0, v11, 18, 19, 16, 17
119 	add_update	1, v12, 19, 16, 17, 18
123 	add_only	0, v15, 19
130 	/* handled all input blocks? */
137 	 * Skip if the input size was not a round multiple of the block size,