MdePkg/Library/BaseLib/Ia32/Thunk16.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2006, 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 #   Thunk.asm
  15 #
  16 # Abstract:
  17 #
  18 #   Real mode thunk
  19 #
  20 #------------------------------------------------------------------------------
  21
  22 .global _m16Start, _m16Size, _mThunk16Attr, _m16GdtBase, _m16Gdt, _m16GdtrBase, _mTransition
  23                         ##########
  24                         # FIXME! #
  25                         ##########
  26 # The following data are INVALID!!
  27 # They just follow GAS syntax.
  28 _m16Start:        .byte   0x00
  29 _m16Size:         .word   0x00
  30 _mThunk16Attr:    .word   0x00
  31 _m16Gdt:          .word   0x00
  32 _m16GdtrBase:     .word   0x00
  33 _mTransition:     .word   0x00
  34
  35 .global _InternalAsmThunk16
  36 _InternalAsmThunk16:
  37
  38                         ##########
  39                         # FIXME! #
  40                         ##########
  41  # This function won't work for now.
  42  # it will directly enter dead loop.
  43  jmp .
  44