ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm

   1 //
   2 //  Copyright (c) 2013, ARM Limited. All rights reserved.
   3 //
   4 //  This program and the accompanying materials
   5 //  are licensed and made available under the terms and conditions of the BSD License
   6 //  which accompanies this distribution.  The full text of the license may be found at
   7 //  http://opensource.org/licenses/bsd-license.php
   8 //
   9 //  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 //  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 //
  12 //
  13
  14 #include <Library/ArmLib.h>
  15
  16 #include <AutoGen.h>
  17
  18   INCLUDE AsmMacroIoLib.inc
  19
  20   EXPORT  ArmPlatformPeiBootAction
  21   EXPORT  ArmPlatformIsPrimaryCore
  22   EXPORT  ArmPlatformGetPrimaryCoreMpId
  23   EXPORT  ArmPlatformGetCorePosition
  24
  25   AREA CTA9x4Helper, CODE, READONLY
  26
  27 //UINTN
  28 //ArmPlatformGetPrimaryCoreMpId (
  29 //  VOID
  30 //  );
  31 ArmPlatformGetPrimaryCoreMpId FUNCTION
  32   mov32 r0, FixedPcdGet32(PcdArmPrimaryCore)
  33   bx      lr
  34   ENDFUNC
  35
  36 //UINTN
  37 //ArmPlatformIsPrimaryCore (
  38 //  IN UINTN MpId
  39 //  );
  40 ArmPlatformIsPrimaryCore FUNCTION
  41   mov32 r1, FixedPcdGet32(PcdArmPrimaryCoreMask)
  42   and   r0, r0, r1
  43   mov32 r1, FixedPcdGet32(PcdArmPrimaryCore)
  44   cmp   r0, r1
  45   moveq r0, #1
  46   movne r0, #0
  47   bx    lr
  48   ENDFUNC
  49
  50 //UINTN
  51 //ArmPlatformGetCorePosition (
  52 //  IN UINTN MpId
  53 //  );
  54 ArmPlatformGetCorePosition FUNCTION
  55   and   r0, r0, #ARM_CORE_MASK
  56   bx    lr
  57   ENDFUNC
  58
  59 ArmPlatformPeiBootAction FUNCTION
  60   bx    lr
  61   ENDFUNC
  62
  63   END