EdkCompatibilityPkg/Foundation/Library/Thunk16/X64/Fx.S

   1 #*****************************************************************************
   2 #*
   3 #*   Copyright (c) 2008, 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.S
  15 #*
  16 #*   Abstract:
  17 #*
  18 #*    AsmFxRestore and AsmFxSave function
  19 #*
  20 #*****************************************************************************
  21 #include <EfiBind.h>
  22
  23 .globl ASM_PFX(AsmFxSave)
  24 .globl ASM_PFX(AsmFxRestore)
  25
  26     .text
  27
  28 #------------------------------------------------------------------------------
  29 # VOID
  30 # AsmFxSave (
  31 #   OUT IA32_FX_BUFFER *Buffer
  32 #   );
  33 #------------------------------------------------------------------------------
  34 ASM_PFX(AsmFxSave):
  35     fxsave (%rcx)
  36     retq
  37
  38 #------------------------------------------------------------------------------
  39 # VOID
  40 # AsmFxRestore (
  41 #   IN CONST IA32_FX_BUFFER *Buffer
  42 #   );
  43 #------------------------------------------------------------------------------
  44 ASM_PFX(AsmFxRestore):
  45     fxrstor (%rcx)
  46     retq
  47
  48 #------------------------------------------------------------------------------
  49 # UINTN
  50 # AsmGetEflags (
  51 #   VOID
  52 #   );
  53 #------------------------------------------------------------------------------
  54 ASM_PFX(AsmGetEflags):
  55     pushfq
  56     popq  %rax
  57     ret
  58 #AsmGetEflags ENDP
  59
  60 #------------------------------------------------------------------------------
  61 # VOID
  62 # AsmSetEflags (
  63 #   IN UINTN   Eflags
  64 #   );
  65 #------------------------------------------------------------------------------
  66 ASM_PFX(AsmSetEflags):
  67     pushq  %rcx
  68     popfq
  69     ret
  70 #AsmSetEflags ENDP