audk/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm

71 lines
1.7 KiB
NASM

//
// Copyright (c) 2013, 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 <AsmMacroIoLib.h>
#include <Library/ArmLib.h>
#include <AutoGen.h>
INCLUDE AsmMacroIoLib.inc
EXPORT ArmPlatformPeiBootAction
EXPORT ArmPlatformIsPrimaryCore
EXPORT ArmPlatformGetPrimaryCoreMpId
EXPORT ArmPlatformGetCorePosition
IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore
IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask
AREA CTA9x4Helper, CODE, READONLY
//UINTN
//ArmPlatformGetPrimaryCoreMpId (
// VOID
// );
ArmPlatformGetPrimaryCoreMpId FUNCTION
LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)
ldr r0, [r0]
bx lr
ENDFUNC
//UINTN
//ArmPlatformIsPrimaryCore (
// IN UINTN MpId
// );
ArmPlatformIsPrimaryCore FUNCTION
LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1)
ldr r1, [r1]
and r0, r0, r1
LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1)
ldr r1, [r1]
cmp r0, r1
moveq r0, #1
movne r0, #0
bx lr
ENDFUNC
//UINTN
//ArmPlatformGetCorePosition (
// IN UINTN MpId
// );
ArmPlatformGetCorePosition FUNCTION
and r0, r0, #ARM_CORE_MASK
bx lr
ENDFUNC
ArmPlatformPeiBootAction FUNCTION
bx lr
ENDFUNC
END