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32 lines
771 B
32 lines
771 B
// Copyright 2019 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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//go:build gc |
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// +build gc |
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#include "textflag.h" |
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// func getisar0() uint64 |
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TEXT ·getisar0(SB),NOSPLIT,$0-8 |
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// get Instruction Set Attributes 0 into x0 |
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// mrs x0, ID_AA64ISAR0_EL1 = d5380600 |
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WORD $0xd5380600 |
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MOVD R0, ret+0(FP) |
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RET |
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// func getisar1() uint64 |
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TEXT ·getisar1(SB),NOSPLIT,$0-8 |
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// get Instruction Set Attributes 1 into x0 |
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// mrs x0, ID_AA64ISAR1_EL1 = d5380620 |
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WORD $0xd5380620 |
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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 x0 |
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// mrs x0, ID_AA64PFR0_EL1 = d5380400 |
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WORD $0xd5380400 |
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MOVD R0, ret+0(FP) |
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RET
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