mirror of https://github.com/golang/go.git
26 lines
592 B
ArmAsm
26 lines
592 B
ArmAsm
// Copyright 2020 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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#include "textflag.h"
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// func getisar0() uint64
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TEXT ·getisar0(SB),NOSPLIT,$0
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// get Instruction Set Attributes 0 into R0
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MRS ID_AA64ISAR0_EL1, R0
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MOVD R0, ret+0(FP)
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RET
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// func getpfr0() uint64
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TEXT ·getpfr0(SB),NOSPLIT,$0-8
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// get Processor Feature Register 0 into R0
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MRS ID_AA64PFR0_EL1, R0
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MOVD R0, ret+0(FP)
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RET
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// func getMIDR() uint64
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TEXT ·getMIDR(SB), NOSPLIT, $0-8
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MRS MIDR_EL1, R0
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MOVD R0, ret+0(FP)
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RET
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