audk/ArmPkg/Include/AsmMacroIoLib.inc

;%HEADER%
;/** @file
;  Macros to work around lack of Apple support for LDR register, =expr
;
;  Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
;  Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
;
;  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.
;
;**/


  MACRO
  MmioWrite32Macro $Address, $Data
  ldr  r1, = ($Address)
  ldr  r0, = ($Data)
  str  r0, [r1]
  MEND

  MACRO
  MmioOr32Macro $Address, $OrData
  ldr  r1, =($Address)
  ldr  r2, =($OrData)
  ldr  r0, [r1]
  orr  r0, r0, r2
  str  r0, [r1]
  MEND

  MACRO
  MmioAnd32Macro $Address, $AndData
  ldr  r1, =($Address)
  ldr  r2, =($AndData)
  ldr  r0, [r1]
  and  r0, r0, r2
  str  r0, [r1]
  MEND

  MACRO
  MmioAndThenOr32Macro $Address, $AndData, $OrData
  ldr  r1, =($Address)
  ldr  r0, [r1]
  ldr  r2, =($AndData)
  and  r0, r0, r2
  ldr  r2, =($OrData)
  orr  r0, r0, r2
  str  r0, [r1]
  MEND

  MACRO
  MmioWriteFromReg32Macro $Address, $Reg
  ldr  r1, =($Address)
  str  $Reg, [r1]
  MEND

  MACRO
  MmioRead32Macro $Address
  ldr  r1, =($Address)
  ldr  r0, [r1]
  MEND

  MACRO
  MmioReadToReg32Macro $Address, $Reg
  ldr  r1, =($Address)
  ldr  $Reg, [r1]
  MEND

  MACRO
  LoadConstantMacro $Data
  ldr  r0, =($Data)
  MEND

  MACRO
  LoadConstantToRegMacro $Data, $Reg
  ldr  $Reg, =($Data)
  MEND

  END