github.com/primecitizens/pcz/std@v0.2.1/core/cpu/cpu_arm64.s (about)

     1  // SPDX-License-Identifier: Apache-2.0
     2  // Copyright 2023 The Prime Citizens
     3  //
     4  // Copyright 2020 The Go Authors. All rights reserved.
     5  // Use of this source code is governed by a BSD-style
     6  // license that can be found in the LICENSE file.
     7  
     8  //go:build arm64
     9  
    10  #include "textflag.h"
    11  
    12  // func getisar0() uint64
    13  TEXT ·getisar0(SB),NOSPLIT,$0
    14  	// get Instruction Set Attributes 0 into R0
    15  	MRS ID_AA64ISAR0_EL1, R0
    16  	MOVD R0, ret+0(FP)
    17  	RET
    18  
    19  // func getMIDR() uint64
    20  TEXT ·getMIDR(SB), NOSPLIT, $0-8
    21  	MRS MIDR_EL1, R0
    22  	MOVD R0, ret+0(FP)
    23  	RET