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.
   6 ;
   7 ;**/
   8
   9
  10   MACRO
  11   MmioWrite32Macro $Address, $Data
  12   ldr  r1, = ($Address)
  13   ldr  r0, = ($Data)
  14   str  r0, [r1]
  15   MEND
  16
  17   MACRO
  18   MmioOr32Macro $Address, $OrData
  19   ldr  r1, =($Address)
  20   ldr  r2, =($OrData)
  21   ldr  r0, [r1]
  22   orr  r0, r0, r2
  23   str  r0, [r1]
  24   MEND
  25
  26   MACRO
  27   MmioAnd32Macro $Address, $AndData
  28   ldr  r1, =($Address)
  29   ldr  r2, =($AndData)
  30   ldr  r0, [r1]
  31   and  r0, r0, r2
  32   str  r0, [r1]
  33   MEND
  34
  35   MACRO
  36   MmioAndThenOr32Macro $Address, $AndData, $OrData
  37   ldr  r1, =($Address)
  38   ldr  r0, [r1]
  39   ldr  r2, =($AndData)
  40   and  r0, r0, r2
  41   ldr  r2, =($OrData)
  42   orr  r0, r0, r2
  43   str  r0, [r1]
  44   MEND
  45
  46   MACRO
  47   MmioWriteFromReg32Macro $Address, $Reg
  48   ldr  r1, =($Address)
  49   str  $Reg, [r1]
  50   MEND
  51
  52   MACRO
  53   MmioRead32Macro $Address
  54   ldr  r1, =($Address)
  55   ldr  r0, [r1]
  56   MEND
  57
  58   MACRO
  59   MmioReadToReg32Macro $Address, $Reg
  60   ldr  r1, =($Address)
  61   ldr  $Reg, [r1]
  62   MEND
  63
  64   MACRO
  65   LoadConstantMacro $Data
  66   ldr  r0, =($Data)
  67   MEND
  68
  69   MACRO
  70   LoadConstantToRegMacro $Data, $Reg
  71   ldr  $Reg, =($Data)
  72   MEND
  73
  74   END