diff options
Diffstat (limited to 'src/internal/cpu/cpu_arm64.s')
| -rw-r--r-- | src/internal/cpu/cpu_arm64.s | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/internal/cpu/cpu_arm64.s b/src/internal/cpu/cpu_arm64.s new file mode 100644 index 0000000..d6e7f44 --- /dev/null +++ b/src/internal/cpu/cpu_arm64.s @@ -0,0 +1,18 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// func getisar0() uint64 +TEXT ·getisar0(SB),NOSPLIT,$0 + // get Instruction Set Attributes 0 into R0 + MRS ID_AA64ISAR0_EL1, R0 + MOVD R0, ret+0(FP) + RET + +// func getMIDR() uint64 +TEXT ·getMIDR(SB), NOSPLIT, $0-8 + MRS MIDR_EL1, R0 + MOVD R0, ret+0(FP) + RET |