BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.asm

   1 //
   2 //  Copyright (c) 2012-2013, ARM Limited. All rights reserved.
   3 //
   4 //  SPDX-License-Identifier: BSD-2-Clause-Patent
   5 //
   6 //
   7
   8 #include <AsmMacroIoLib.h>
   9 #include <Base.h>
  10
  11 #include <AutoGen.h>
  12
  13   INCLUDE AsmMacroIoLib.inc
  14
  15   EXPORT    ArmPlatformPeiBootAction
  16   EXPORT    ArmPlatformIsPrimaryCore
  17   EXPORT    ArmPlatformGetPrimaryCoreMpId
  18
  19   IMPORT    ArmReadMpidr
  20
  21   AREA BeagleBoardHelper, CODE, READONLY
  22
  23 //UINTN
  24 //ArmPlatformIsPrimaryCore (
  25 //  IN UINTN MpId
  26 //  );
  27 ArmPlatformIsPrimaryCore FUNCTION
  28   // BeagleBoard has a single core. We must always return 1.
  29   mov   r0, #1
  30   bx    lr
  31   ENDFUNC
  32
  33 ArmPlatformPeiBootAction FUNCTION
  34   bx    lr
  35   ENDFUNC
  36
  37 //UINTN
  38 //ArmPlatformGetPrimaryCoreMpId (
  39 //  VOID
  40 //  );
  41 ArmPlatformGetPrimaryCoreMpId FUNCTION
  42   // The BeagleBoard is a uniprocessor platform. The MPIDR of primary core is
  43   // always the MPIDR of the calling CPU.
  44   b     ArmReadMpidr
  45   ENDFUNC
  46
  47   END