UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2006 - 2009, Intel Corporation
   4 # All rights reserved. This program and the accompanying materials
   5 # are licensed and made available under the terms and conditions of the BSD License
   6 # which accompanies this distribution.  The full text of the license may be found at
   7 # http://opensource.org/licenses/bsd-license.php
   8 #
   9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 #
  12 # Module Name:
  13 #
  14 #   IvtAsm.S
  15 #
  16 # Abstract:
  17 #
  18 #   Interrupt Vector Table
  19 #
  20 #------------------------------------------------------------------------------
  21
  22 #
  23 # Interrupt Vector Table
  24 #
  25
  26 .macro SingleIdtVectorMacro vectorNum
  27     .intel_syntax
  28     call    ASM_PFX(CommonInterruptEntry)
  29     .short  \vectorNum
  30     nop
  31 .endm
  32
  33 .macro EightIdtVectors firstVectorNum
  34     SingleIdtVectorMacro \firstVectorNum
  35     SingleIdtVectorMacro "(\firstVectorNum+1)"
  36     SingleIdtVectorMacro "(\firstVectorNum+2)"
  37     SingleIdtVectorMacro "(\firstVectorNum+3)"
  38     SingleIdtVectorMacro "(\firstVectorNum+4)"
  39     SingleIdtVectorMacro "(\firstVectorNum+5)"
  40     SingleIdtVectorMacro "(\firstVectorNum+6)"
  41     SingleIdtVectorMacro "(\firstVectorNum+7)"
  42 .endm
  43
  44 .macro SixtyFourIdtVectors firstVectorNum
  45     EightIdtVectors \firstVectorNum
  46     EightIdtVectors "(\firstVectorNum+0x08)"
  47     EightIdtVectors "(\firstVectorNum+0x10)"
  48     EightIdtVectors "(\firstVectorNum+0x18)"
  49     EightIdtVectors "(\firstVectorNum+0x20)"
  50     EightIdtVectors "(\firstVectorNum+0x28)"
  51     EightIdtVectors "(\firstVectorNum+0x30)"
  52     EightIdtVectors "(\firstVectorNum+0x38)"
  53 .endm
  54
  55 ASM_GLOBAL ASM_PFX(AsmIdtVector00)
  56 .align  8
  57 ASM_PFX(AsmIdtVector00):
  58     SixtyFourIdtVectors 0x00
  59     SixtyFourIdtVectors 0x40
  60     SixtyFourIdtVectors 0x80
  61     SixtyFourIdtVectors 0xC0
  62 ASM_GLOBAL ASM_PFX(AsmCommonIdtEnd)
  63 ASM_PFX(AsmCommonIdtEnd):
  64     .byte 0
  65
  66