mirror of https://github.com/acidanthera/audk.git
63 lines
1.2 KiB
NASM
63 lines
1.2 KiB
NASM
//
|
|
// Copyright (c) 2012-2013, ARM Limited. All rights reserved.
|
|
//
|
|
// SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
//
|
|
//
|
|
|
|
#include <Library/ArmLib.h>
|
|
|
|
INCLUDE AsmMacroIoLib.inc
|
|
|
|
EXPORT ArmPlatformPeiBootAction
|
|
EXPORT ArmPlatformGetCorePosition
|
|
EXPORT ArmPlatformGetPrimaryCoreMpId
|
|
EXPORT ArmPlatformIsPrimaryCore
|
|
|
|
IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore
|
|
IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask
|
|
|
|
PRESERVE8
|
|
AREA ArmPlatformNullHelper, CODE, READONLY
|
|
|
|
ArmPlatformPeiBootAction FUNCTION
|
|
bx lr
|
|
ENDFUNC
|
|
|
|
//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
|
|
|
|
//UINTN
|
|
//ArmPlatformGetPrimaryCoreMpId (
|
|
// VOID
|
|
// );
|
|
ArmPlatformGetPrimaryCoreMpId FUNCTION
|
|
mov32 r0, FixedPcdGet32(PcdArmPrimaryCore)
|
|
bx lr
|
|
ENDFUNC
|
|
|
|
//UINTN
|
|
//ArmPlatformIsPrimaryCore (
|
|
// IN UINTN MpId
|
|
// );
|
|
ArmPlatformIsPrimaryCore FUNCTION
|
|
mov32 r1, FixedPcdGet32(PcdArmPrimaryCoreMask)
|
|
and r0, r0, r1
|
|
mov32 r1, FixedPcdGet32(PcdArmPrimaryCore)
|
|
cmp r0, r1
|
|
moveq r0, #1
|
|
movne r0, #0
|
|
bx lr
|
|
ENDFUNC
|
|
|
|
END
|
|
|