audk/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S

44 lines
909 B
ArmAsm

//
// Copyright (c) 2012-2013, ARM Limited. All rights reserved.
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
//
//
#include <AsmMacroIoLib.h>
#include <Library/ArmLib.h>
ASM_FUNC(ArmPlatformPeiBootAction)
bx lr
//UINTN
//ArmPlatformGetCorePosition (
// IN UINTN MpId
// );
ASM_FUNC(ArmPlatformGetCorePosition)
and r1, r0, #ARM_CORE_MASK
and r0, r0, #ARM_CLUSTER_MASK
add r0, r1, r0, LSR #7
bx lr
//UINTN
//ArmPlatformGetPrimaryCoreMpId (
// VOID
// );
ASM_FUNC(ArmPlatformGetPrimaryCoreMpId)
MOV32 (r0, FixedPcdGet32 (PcdArmPrimaryCore))
bx lr
//UINTN
//ArmPlatformIsPrimaryCore (
// IN UINTN MpId
// );
ASM_FUNC(ArmPlatformIsPrimaryCore)
MOV32 (r1, FixedPcdGet32 (PcdArmPrimaryCoreMask))
and r0, r0, r1
MOV32 (r1, FixedPcdGet32 (PcdArmPrimaryCore))
cmp r0, r1
moveq r0, #1
movne r0, #0
bx lr