//Based on ArmPlatformPkg/Library/ArmPlatformLibNull/AArch64/ArmPlatformHelper.S
//
//  Copyright (c) 2012-2013, ARM Limited. All rights reserved.
//  Copyright (c) 2016, Marvell. All rights reserved.
//
//  SPDX-License-Identifier: BSD-2-Clause-Patent
//
//  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 <AsmMacroIoLibV8.h>
#include <Library/ArmLib.h>

ASM_FUNC(ArmPlatformPeiBootAction)
  mov   x29, xzr
  ret

//UINTN
//ArmPlatformGetCorePosition (
//  IN UINTN MpId
//  );
// With this function: CorePos = (ClusterId * 4) + CoreId
ASM_FUNC(ArmPlatformGetCorePosition)
  and   x1, x0, #ARM_CORE_MASK
  and   x0, x0, #ARM_CLUSTER_MASK
  add   x0, x1, x0, LSR #6
  ret

//UINTN
//ArmPlatformGetPrimaryCoreMpId (
//  VOID
//  );
ASM_FUNC(ArmPlatformGetPrimaryCoreMpId)
  MOV32 (w0, FixedPcdGet32(PcdArmPrimaryCore))
  ret

//UINTN
//ArmPlatformIsPrimaryCore (
//  IN UINTN MpId
//  );
ASM_FUNC(ArmPlatformIsPrimaryCore)
  MOV32 (w1, FixedPcdGet32(PcdArmPrimaryCoreMask))
  and   x0, x0, x1
  MOV32 (w1, FixedPcdGet32(PcdArmPrimaryCore))
  cmp   w0, w1
  cset  x0, eq
  ret