ArmPkg/Include/AsmMacroIoLib.inc

   1 ;%HEADER%
   2 ;/** @file
   3 ;  Macros to work around lack of Apple support for LDR register, =expr
   4 ;
   5 ;  Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
   6 ;  This program and the accompanying materials
   7 ;  are licensed and made available under the terms and conditions of the BSD License
   8 ;  which accompanies this distribution.  The full text of the license may be found at
   9 ;  http://opensource.org/licenses/bsd-license.php
  10 ;
  11 ;  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 ;  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13 ;
  14 ;**/
  15
  16
  17   MACRO
  18   MmioWrite32Macro $Address, $Data
  19   ldr  r1, = ($Address)
  20   ldr  r0, = ($Data)
  21   str  r0, [r1]
  22   MEND
  23
  24   MACRO
  25   MmioOr32Macro $Address, $OrData
  26   ldr  r1, =($Address)
  27   ldr  r2, =($OrData)
  28   ldr  r0, [r1]
  29   orr  r0, r0, r2
  30   str  r0, [r1]
  31   MEND
  32
  33   MACRO
  34   MmioAnd32Macro $Address, $AndData
  35   ldr  r1, =($Address)
  36   ldr  r2, =($AndData)
  37   ldr  r0, [r1]
  38   and  r0, r0, r2
  39   str  r0, [r1]
  40   MEND
  41
  42   MACRO
  43   MmioAndThenOr32Macro $Address, $AndData, $OrData
  44   ldr  r1, =($Address)
  45   ldr  r0, [r1]
  46   ldr  r2, =($AndData)
  47   and  r0, r0, r2
  48   ldr  r2, =($OrData)
  49   orr  r0, r0, r2
  50   str  r0, [r1]
  51   MEND
  52
  53   MACRO
  54   MmioWriteFromReg32Macro $Address, $Reg
  55   ldr  r1, =($Address)
  56   str  $Reg, [r1]
  57   MEND
  58
  59   MACRO
  60   MmioRead32Macro $Address
  61   ldr  r1, =($Address)
  62   ldr  r0, [r1]
  63   MEND
  64
  65   MACRO
  66   MmioReadToReg32Macro $Address, $Reg
  67   ldr  r1, =($Address)
  68   ldr  $Reg, [r1]
  69   MEND
  70
  71   MACRO
  72   LoadConstantMacro $Data
  73   ldr  r0, =($Data)
  74   MEND
  75
  76   MACRO
  77   LoadConstantToRegMacro $Data, $Reg
  78   ldr  $Reg, =($Data)
  79   MEND
  80
  81   END