1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
//+build !noasm,!appengine
// ARM64 version of SHA256
//
// Minio Cloud Storage, (C) 2016 Minio, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//
// Based on implementation as found in https://github.com/jocover/sha256-armv8
//
// Use github.com/minio/asm2plan9s on this file to assemble ARM instructions to
// their Plan9 equivalents
//
TEXT ·blockArm(SB), 7, $0
MOVD h+0(FP), R0
MOVD message+24(FP), R1
MOVD message_len+32(FP), R2 // length of message
SUBS $64, R2
BMI complete
// Load constants table pointer
MOVD $·constants(SB), R3
// Cache constants table in registers v16 - v31
WORD $0x4cdf2870 // ld1 {v16.4s-v19.4s}, [x3], #64
WORD $0x4cdf7800 // ld1 {v0.4s}, [x0], #16
WORD $0x4cdf2874 // ld1 {v20.4s-v23.4s}, [x3], #64
WORD $0x4c407801 // ld1 {v1.4s}, [x0]
WORD $0x4cdf2878 // ld1 {v24.4s-v27.4s}, [x3], #64
WORD $0xd1004000 // sub x0, x0, #0x10
WORD $0x4cdf287c // ld1 {v28.4s-v31.4s}, [x3], #64
loop:
// Main loop
WORD $0x4cdf2025 // ld1 {v5.16b-v8.16b}, [x1], #64
WORD $0x4ea01c02 // mov v2.16b, v0.16b
WORD $0x4ea11c23 // mov v3.16b, v1.16b
WORD $0x6e2008a5 // rev32 v5.16b, v5.16b
WORD $0x6e2008c6 // rev32 v6.16b, v6.16b
WORD $0x4eb084a9 // add v9.4s, v5.4s, v16.4s
WORD $0x6e2008e7 // rev32 v7.16b, v7.16b
WORD $0x4eb184ca // add v10.4s, v6.4s, v17.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e2828c5 // sha256su0 v5.4s, v6.4s
WORD $0x6e200908 // rev32 v8.16b, v8.16b
WORD $0x4eb284e9 // add v9.4s, v7.4s, v18.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x5e2828e6 // sha256su0 v6.4s, v7.4s
WORD $0x5e0860e5 // sha256su1 v5.4s, v7.4s, v8.4s
WORD $0x4eb3850a // add v10.4s, v8.4s, v19.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e282907 // sha256su0 v7.4s, v8.4s
WORD $0x5e056106 // sha256su1 v6.4s, v8.4s, v5.4s
WORD $0x4eb484a9 // add v9.4s, v5.4s, v20.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x5e2828a8 // sha256su0 v8.4s, v5.4s
WORD $0x5e0660a7 // sha256su1 v7.4s, v5.4s, v6.4s
WORD $0x4eb584ca // add v10.4s, v6.4s, v21.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e2828c5 // sha256su0 v5.4s, v6.4s
WORD $0x5e0760c8 // sha256su1 v8.4s, v6.4s, v7.4s
WORD $0x4eb684e9 // add v9.4s, v7.4s, v22.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x5e2828e6 // sha256su0 v6.4s, v7.4s
WORD $0x5e0860e5 // sha256su1 v5.4s, v7.4s, v8.4s
WORD $0x4eb7850a // add v10.4s, v8.4s, v23.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e282907 // sha256su0 v7.4s, v8.4s
WORD $0x5e056106 // sha256su1 v6.4s, v8.4s, v5.4s
WORD $0x4eb884a9 // add v9.4s, v5.4s, v24.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x5e2828a8 // sha256su0 v8.4s, v5.4s
WORD $0x5e0660a7 // sha256su1 v7.4s, v5.4s, v6.4s
WORD $0x4eb984ca // add v10.4s, v6.4s, v25.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e2828c5 // sha256su0 v5.4s, v6.4s
WORD $0x5e0760c8 // sha256su1 v8.4s, v6.4s, v7.4s
WORD $0x4eba84e9 // add v9.4s, v7.4s, v26.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x5e2828e6 // sha256su0 v6.4s, v7.4s
WORD $0x5e0860e5 // sha256su1 v5.4s, v7.4s, v8.4s
WORD $0x4ebb850a // add v10.4s, v8.4s, v27.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e282907 // sha256su0 v7.4s, v8.4s
WORD $0x5e056106 // sha256su1 v6.4s, v8.4s, v5.4s
WORD $0x4ebc84a9 // add v9.4s, v5.4s, v28.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x5e2828a8 // sha256su0 v8.4s, v5.4s
WORD $0x5e0660a7 // sha256su1 v7.4s, v5.4s, v6.4s
WORD $0x4ebd84ca // add v10.4s, v6.4s, v29.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x5e0760c8 // sha256su1 v8.4s, v6.4s, v7.4s
WORD $0x4ebe84e9 // add v9.4s, v7.4s, v30.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x4ebf850a // add v10.4s, v8.4s, v31.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e094062 // sha256h q2, q3, v9.4s
WORD $0x5e095083 // sha256h2 q3, q4, v9.4s
WORD $0x4ea21c44 // mov v4.16b, v2.16b
WORD $0x5e0a4062 // sha256h q2, q3, v10.4s
WORD $0x5e0a5083 // sha256h2 q3, q4, v10.4s
WORD $0x4ea38421 // add v1.4s, v1.4s, v3.4s
WORD $0x4ea28400 // add v0.4s, v0.4s, v2.4s
SUBS $64, R2
BPL loop
// Store result
WORD $0x4c00a800 // st1 {v0.4s, v1.4s}, [x0]
complete:
RET
// Constants table
DATA ·constants+0x0(SB)/8, $0x71374491428a2f98
DATA ·constants+0x8(SB)/8, $0xe9b5dba5b5c0fbcf
DATA ·constants+0x10(SB)/8, $0x59f111f13956c25b
DATA ·constants+0x18(SB)/8, $0xab1c5ed5923f82a4
DATA ·constants+0x20(SB)/8, $0x12835b01d807aa98
DATA ·constants+0x28(SB)/8, $0x550c7dc3243185be
DATA ·constants+0x30(SB)/8, $0x80deb1fe72be5d74
DATA ·constants+0x38(SB)/8, $0xc19bf1749bdc06a7
DATA ·constants+0x40(SB)/8, $0xefbe4786e49b69c1
DATA ·constants+0x48(SB)/8, $0x240ca1cc0fc19dc6
DATA ·constants+0x50(SB)/8, $0x4a7484aa2de92c6f
DATA ·constants+0x58(SB)/8, $0x76f988da5cb0a9dc
DATA ·constants+0x60(SB)/8, $0xa831c66d983e5152
DATA ·constants+0x68(SB)/8, $0xbf597fc7b00327c8
DATA ·constants+0x70(SB)/8, $0xd5a79147c6e00bf3
DATA ·constants+0x78(SB)/8, $0x1429296706ca6351
DATA ·constants+0x80(SB)/8, $0x2e1b213827b70a85
DATA ·constants+0x88(SB)/8, $0x53380d134d2c6dfc
DATA ·constants+0x90(SB)/8, $0x766a0abb650a7354
DATA ·constants+0x98(SB)/8, $0x92722c8581c2c92e
DATA ·constants+0xa0(SB)/8, $0xa81a664ba2bfe8a1
DATA ·constants+0xa8(SB)/8, $0xc76c51a3c24b8b70
DATA ·constants+0xb0(SB)/8, $0xd6990624d192e819
DATA ·constants+0xb8(SB)/8, $0x106aa070f40e3585
DATA ·constants+0xc0(SB)/8, $0x1e376c0819a4c116
DATA ·constants+0xc8(SB)/8, $0x34b0bcb52748774c
DATA ·constants+0xd0(SB)/8, $0x4ed8aa4a391c0cb3
DATA ·constants+0xd8(SB)/8, $0x682e6ff35b9cca4f
DATA ·constants+0xe0(SB)/8, $0x78a5636f748f82ee
DATA ·constants+0xe8(SB)/8, $0x8cc7020884c87814
DATA ·constants+0xf0(SB)/8, $0xa4506ceb90befffa
DATA ·constants+0xf8(SB)/8, $0xc67178f2bef9a3f7
GLOBL ·constants(SB), 8, $256
|
