hackedteam/vector-edk

//
//  Copyright (c) 2012-2013, 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>

.text 
.align 2

GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)

GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)

ASM_PFX(ArmPlatformPeiBootAction):
  bx    lr

//UINTN
//ArmPlatformGetCorePosition (
//  IN UINTN MpId
//  );
ASM_PFX(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_PFX(ArmPlatformGetPrimaryCoreMpId):
  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)
  ldr   r0, [r0]
  bx    lr

//UINTN
//ArmPlatformIsPrimaryCore (
//  IN UINTN MpId
//  );
ASM_PFX(ArmPlatformIsPrimaryCore):
  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