EdkCompatibilityPkg/Foundation/Library/Thunk16/Ia32/Fx.S

   1 #*****************************************************************************
   2 #*
   3 #*   Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
   4 #*   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 #*    Fx.asm
  15 #*
  16 #*   Abstract:
  17 #*
  18 #*    AsmFxRestore and AsmFxSave function
  19 #*
  20 #include <EfiBind.h>
  21 #------------------------------------------------------------------------------
  22
  23     .586P:
  24     #.MODEL flat,C
  25     .xmm:
  26     .code:
  27 #------------------------------------------------------------------------------
  28 .globl ASM_PFX(AsmFxSave)
  29 .globl ASM_PFX(AsmFxRestore)
  30 #------------------------------------------------------------------------------
  31 # VOID
  32 # AsmFxSave (
  33 #   OUT IA32_FX_BUFFER *Buffer
  34 #   );
  35 #------------------------------------------------------------------------------
  36 ASM_PFX(AsmFxSave):
  37     movl    4(%esp), %eax
  38     fxsave  (%eax)
  39     ret
  40 #AsmFxSave ENDP
  41
  42 #------------------------------------------------------------------------------
  43 # VOID
  44 # AsmFxRestore (
  45 #   IN CONST IA32_FX_BUFFER *Buffer
  46 #   );
  47 #------------------------------------------------------------------------------
  48 ASM_PFX(AsmFxRestore):
  49     movl    4(%esp), %eax
  50     fxrstor (%eax)
  51     ret
  52 #AsmFxRestore ENDP
  53
  54 #------------------------------------------------------------------------------
  55 # UINTN
  56 # AsmGetEflags (
  57 #   VOID
  58 #   );
  59 #------------------------------------------------------------------------------
  60 ASM_PFX(AsmGetEflags):
  61     pushfl
  62     pop   %eax
  63     ret
  64 #AsmGetEflags ENDP
  65
  66 #------------------------------------------------------------------------------
  67 # VOID
  68 # AsmSetEflags (
  69 #   IN UINTN   Eflags
  70 #   );
  71 #------------------------------------------------------------------------------
  72 ASM_PFX(AsmSetEflags):
  73     push  4(%esp)
  74     popfl
  75     ret
  76 #AsmSetEflags ENDP