mirror of
https://github.com/go-gitea/gitea
synced 2024-11-19 16:31:41 +01:00
27 lines
837 B
ArmAsm
27 lines
837 B
ArmAsm
|
// Copyright (c) 2015 Klaus Post, released under MIT License. See LICENSE file.
|
||
|
|
|
||
|
|
//+build arm64,!gccgo
|
||
|
|
|
||
|
|
// See https://www.kernel.org/doc/Documentation/arm64/cpu-feature-registers.txt
|
||
|
|
|
||
|
|
// func getMidr
|
||
|
|
TEXT ·getMidr(SB), 7, $0
|
||
|
|
WORD $0xd5380000 // mrs x0, midr_el1 /* Main ID Register */
|
||
|
|
MOVD R0, midr+0(FP)
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func getProcFeatures
|
||
|
|
TEXT ·getProcFeatures(SB), 7, $0
|
||
|
|
WORD $0xd5380400 // mrs x0, id_aa64pfr0_el1 /* Processor Feature Register 0 */
|
||
|
|
MOVD R0, procFeatures+0(FP)
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func getInstAttributes
|
||
|
|
TEXT ·getInstAttributes(SB), 7, $0
|
||
|
|
WORD $0xd5380600 // mrs x0, id_aa64isar0_el1 /* Instruction Set Attribute Register 0 */
|
||
|
|
WORD $0xd5380621 // mrs x1, id_aa64isar1_el1 /* Instruction Set Attribute Register 1 */
|
||
|
|
MOVD R0, instAttrReg0+0(FP)
|
||
|
|
MOVD R1, instAttrReg1+8(FP)
|
||
|
|
RET
|
||
|
|
|