2018-12-08 02:17:01 +01:00
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.section .text.sha256_armv8, "ax", %progbits
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.align 5
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.arch armv8-a+crypto
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# SHA256 assembly implementation for ARMv8 AArch64 (based on linux source code)
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.global sha256_block_data_order
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.type sha256_block_data_order,%function
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sha256_block_data_order:
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.Lsha256prolog:
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stp x29, x30, [sp,#-64]!
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mov x29, sp
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adr x3, .LKConstant256
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str q8, [sp, #16]
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ld1 {v16.4s-v19.4s}, [x3], #64
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ld1 {v0.4s}, [x0], #16
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ld1 {v20.4s-v23.4s}, [x3], #64
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add x2, x1, x2, lsl #6
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ld1 {v1.4s}, [x0]
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ld1 {v24.4s-v27.4s}, [x3], #64
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sub x0, x0, #16
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str q9, [sp, #32]
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str q10, [sp, #48]
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ld1 {v28.4s-v31.4s}, [x3], #64
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2019-03-07 17:06:32 +01:00
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2018-12-08 02:17:01 +01:00
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.Lsha256loop:
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ld1 {v5.16b-v8.16b}, [x1], #64
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mov v2.16b, v0.16b
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mov v3.16b, v1.16b
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rev32 v5.16b, v5.16b
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rev32 v6.16b, v6.16b
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add v9.4s, v5.4s, v16.4s
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rev32 v7.16b, v7.16b
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add v10.4s, v6.4s, v17.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su0 v5.4s, v6.4s
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rev32 v8.16b, v8.16b
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add v9.4s, v7.4s, v18.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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sha256su0 v6.4s, v7.4s
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sha256su1 v5.4s, v7.4s, v8.4s
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add v10.4s, v8.4s, v19.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su0 v7.4s, v8.4s
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sha256su1 v6.4s, v8.4s, v5.4s
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add v9.4s, v5.4s, v20.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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sha256su0 v8.4s, v5.4s
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sha256su1 v7.4s, v5.4s, v6.4s
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add v10.4s, v6.4s, v21.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su0 v5.4s, v6.4s
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sha256su1 v8.4s, v6.4s, v7.4s
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add v9.4s, v7.4s, v22.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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sha256su0 v6.4s, v7.4s
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sha256su1 v5.4s, v7.4s, v8.4s
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add v10.4s, v8.4s, v23.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su0 v7.4s, v8.4s
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sha256su1 v6.4s, v8.4s, v5.4s
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add v9.4s, v5.4s, v24.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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sha256su0 v8.4s, v5.4s
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sha256su1 v7.4s, v5.4s, v6.4s
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add v10.4s, v6.4s, v25.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su0 v5.4s, v6.4s
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sha256su1 v8.4s, v6.4s, v7.4s
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add v9.4s, v7.4s, v26.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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sha256su0 v6.4s, v7.4s
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sha256su1 v5.4s, v7.4s, v8.4s
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add v10.4s, v8.4s, v27.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su0 v7.4s, v8.4s
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sha256su1 v6.4s, v8.4s, v5.4s
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add v9.4s, v5.4s, v28.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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sha256su0 v8.4s, v5.4s
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sha256su1 v7.4s, v5.4s, v6.4s
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add v10.4s, v6.4s, v29.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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sha256su1 v8.4s, v6.4s, v7.4s
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add v9.4s, v7.4s, v30.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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add v10.4s, v8.4s, v31.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v9.4s
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sha256h2 q3, q4, v9.4s
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mov v4.16b, v2.16b
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sha256h q2, q3, v10.4s
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sha256h2 q3, q4, v10.4s
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cmp x1, x2
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add v1.4s, v1.4s, v3.4s
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add v0.4s, v0.4s, v2.4s
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b.ne .Lsha256loop
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.Lsha256epilog:
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st1 {v0.4s,v1.4s}, [x0]
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ldr q10, [sp, #48]
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ldr q9, [sp, #32]
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ldr q8, [sp, #16]
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ldr x29, [sp], #64
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ret
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.align 5
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.LKConstant256:
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.word 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
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.word 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
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.word 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
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.word 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
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.word 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
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.word 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
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.word 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
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.word 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
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.word 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
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.word 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
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.word 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
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.word 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
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.word 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
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.word 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
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.word 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
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.word 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
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.size sha256_block_data_order,.-sha256_block_data_order
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.align 2
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