BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.S

   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 <AutoGen.h>
  10
  11 .text
  12 .align 2
  13
  14 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
  15 GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
  16 GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
  17
  18 GCC_ASM_IMPORT(ArmReadMpidr)
  19
  20 //UINTN
  21 //ArmPlatformIsPrimaryCore (
  22 //  IN UINTN MpId
  23 //  );
  24 ASM_PFX(ArmPlatformIsPrimaryCore):
  25   // BeagleBoard has a single core. We must always return 1.
  26   mov   r0, #1
  27   bx    lr
  28
  29 ASM_PFX(ArmPlatformPeiBootAction):
  30   bx    lr
  31
  32 //UINTN
  33 //ArmPlatformGetPrimaryCoreMpId (
  34 //  VOID
  35 //  );
  36 ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
  37   // The BeagleBoard is a uniprocessor platform. The MPIDR of primary core is
  38   // always the MPIDR of the calling CPU.
  39   b   ASM_PFX(ArmReadMpidr)
  40
  41 ASM_FUNCTION_REMOVE_IF_UNREFERENCED