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

   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 ;*****************************************************************************
  21
  22     .586P
  23     .model  flat,C
  24     .xmm
  25     .code
  26
  27 ;------------------------------------------------------------------------------
  28 ; VOID
  29 ; AsmFxSave (
  30 ;   OUT IA32_FX_BUFFER *Buffer
  31 ;   );
  32 ;------------------------------------------------------------------------------
  33 AsmFxSave PROC
  34     mov     eax, [esp + 4]
  35     fxsave  [eax]
  36     ret
  37 AsmFxSave ENDP
  38
  39 ;------------------------------------------------------------------------------
  40 ; VOID
  41 ; AsmFxRestore (
  42 ;   IN CONST IA32_FX_BUFFER *Buffer
  43 ;   );
  44 ;------------------------------------------------------------------------------
  45 AsmFxRestore  PROC
  46     mov     eax, [esp + 4]
  47     fxrstor [eax]
  48     ret
  49 AsmFxRestore  ENDP
  50
  51 ;------------------------------------------------------------------------------
  52 ; UINTN
  53 ; AsmGetEflags (
  54 ;   VOID
  55 ;   );
  56 ;------------------------------------------------------------------------------
  57 AsmGetEflags PROC
  58     pushfd
  59     pop   eax
  60     ret
  61 AsmGetEflags ENDP
  62
  63 ;------------------------------------------------------------------------------
  64 ; VOID
  65 ; AsmSetEflags (
  66 ;   IN UINTN   Eflags
  67 ;   );
  68 ;------------------------------------------------------------------------------
  69 AsmSetEflags PROC
  70     push  [esp + 4]
  71     popfd
  72     ret
  73 AsmSetEflags ENDP
  74
  75     END