ArmVirtPkg/Library/ArmVirtPlatformLib/ARM/VirtHelper.S

   1 #
   2 #  Copyright (c) 2011-2013, ARM Limited. All rights reserved.
   3 #  Copyright (c) 2014-2016, Linaro Limited. All rights reserved.
   4 #
   5 #  This program and the accompanying materials
   6 #  are licensed and made available under the terms and conditions of the BSD License
   7 #  which accompanies this distribution.  The full text of the license may be found at
   8 #  http://opensource.org/licenses/bsd-license.php
   9 #
  10 #  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13 #
  14
  15 #include <AsmMacroIoLib.h>
  16 #include <Library/ArmLib.h>
  17
  18 ASM_FUNC(ArmPlatformPeiBootAction)
  19   bx    lr
  20
  21 //UINTN
  22 //ArmPlatformGetPrimaryCoreMpId (
  23 //  VOID
  24 //  );
  25 ASM_FUNC(ArmPlatformGetPrimaryCoreMpId)
  26   MOV32  (r0, FixedPcdGet32 (PcdArmPrimaryCore))
  27   bx     lr
  28
  29 //UINTN
  30 //ArmPlatformIsPrimaryCore (
  31 //  IN UINTN MpId
  32 //  );
  33 ASM_FUNC(ArmPlatformIsPrimaryCore)
  34   mov   r0, #1
  35   bx    lr
  36
  37 //UINTN
  38 //ArmPlatformGetCorePosition (
  39 //  IN UINTN MpId
  40 //  );
  41 // With this function: CorePos = (ClusterId * 4) + CoreId
  42 ASM_FUNC(ArmPlatformGetCorePosition)
  43   and   r1, r0, #ARM_CORE_MASK
  44   and   r0, r0, #ARM_CLUSTER_MASK
  45   add   r0, r1, r0, LSR #6
  46   bx    lr
  47
  48 //EFI_PHYSICAL_ADDRESS
  49 //GetPhysAddrTop (
  50 //  VOID
  51 //  );
  52 ASM_FUNC(ArmGetPhysAddrTop)
  53   mov   r0, #0x00000000
  54   mov   r1, #0x10000
  55   bx    lr
  56
  57 ASM_FUNCTION_REMOVE_IF_UNREFERENCED