;------------------------------------------------------------------------------ ; ; ArmReadIdAA64Isar0Reg() for AArch64 ; ; Copyright (c) 2021, NUVIA Inc. All rights reserved.
; ; SPDX-License-Identifier: BSD-2-Clause-Patent ; ;------------------------------------------------------------------------------ EXPORT ArmReadIdAA64Isar0Reg AREA BaseLib_LowLevel, CODE, READONLY ;/** ; Reads the ID_AA64ISAR0 Register. ; ; @return The contents of the ID_AA64ISAR0 register. ; ;**/ ;UINT64 ;EFIAPI ;ArmReadIdAA64Isar0Reg ( ; VOID ; ); ; ArmReadIdAA64Isar0Reg mrs x0, id_aa64isar0_el1 ret END