audk/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm

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//
// Copyright (c) 2012, ARM Limited. All rights reserved.
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//
#include <Library/ArmLib.h>
INCLUDE AsmMacroIoLib.inc
EXPORT ArmPlatformGetCorePosition
PRESERVE8
AREA CTA15A7Helper, CODE, READONLY
//UINTN
//ArmPlatformGetCorePosition (
// IN UINTN MpId
// );
ArmPlatformGetCorePosition FUNCTION
and r1, r0, #ARM_CORE_MASK
and r0, r0, #ARM_CLUSTER_MASK
add r0, r1, r0, LSR #7
bx lr
ENDFUNC
END