50 lines
1.3 KiB
ArmAsm
50 lines
1.3 KiB
ArmAsm
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//+build !gccgo,!appengine
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#include "textflag.h"
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TEXT ·hasMSA6(SB), NOSPLIT, $16-1
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MOVD $0, R0 // KIMD-Query function code
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MOVD $tmp-16(SP), R1 // parameter block
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XC $16, (R1), (R1) // clear the parameter block
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WORD $0xB93E0002 // KIMD --, --
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WORD $0x91FC1004 // TM 4(R1), 0xFC (test bits [32-37])
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BVS yes
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no:
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MOVB $0, ret+0(FP)
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RET
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yes:
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MOVB $1, ret+0(FP)
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RET
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// func kimd(function code, params *[200]byte, src []byte)
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TEXT ·kimd(SB), NOFRAME|NOSPLIT, $0-40
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MOVD function+0(FP), R0
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MOVD params+8(FP), R1
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LMG src+16(FP), R2, R3 // R2=base, R3=len
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continue:
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WORD $0xB93E0002 // KIMD --, R2
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BVS continue // continue if interrupted
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MOVD $0, R0 // reset R0 for pre-go1.8 compilers
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RET
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// func klmd(function code, params *[200]byte, dst, src []byte)
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TEXT ·klmd(SB), NOFRAME|NOSPLIT, $0-64
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// TODO: SHAKE support
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MOVD function+0(FP), R0
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MOVD params+8(FP), R1
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LMG dst+16(FP), R2, R3 // R2=base, R3=len
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LMG src+40(FP), R4, R5 // R4=base, R5=len
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continue:
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WORD $0xB93F0024 // KLMD R2, R4
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BVS continue // continue if interrupted
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MOVD $0, R0 // reset R0 for pre-go1.8 compilers
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RET
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