OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.nasm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2006 - 2013, 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 ;------------------------------------------------------------------------------
  13
  14     SECTION .text
  15
  16 ;------------------------------------------------------------------------------
  17 ;  VOID
  18 ;  EFIAPI
  19 ;  IoReadFifo8 (
  20 ;    IN UINTN                  Port,
  21 ;    IN UINTN                  Size,
  22 ;    IN VOID                   *Buffer
  23 ;    );
  24 ;------------------------------------------------------------------------------
  25 global ASM_PFX(IoReadFifo8)
  26 ASM_PFX(IoReadFifo8):
  27
  28     mov     dx, [esp + 4]
  29     mov     ecx, [esp + 8]
  30     push    edi
  31     mov     edi, [esp + 16]
  32 rep insb
  33     pop     edi
  34     ret
  35
  36 ;------------------------------------------------------------------------------
  37 ;  VOID
  38 ;  EFIAPI
  39 ;  IoWriteFifo8 (
  40 ;    IN UINTN                  Port,
  41 ;    IN UINTN                  Size,
  42 ;    IN VOID                   *Buffer
  43 ;    );
  44 ;------------------------------------------------------------------------------
  45 global ASM_PFX(IoWriteFifo8)
  46 ASM_PFX(IoWriteFifo8):
  47
  48     mov     dx, [esp + 4]
  49     mov     ecx, [esp + 8]
  50     push    esi
  51     mov     esi, [esp + 16]
  52 rep outsb
  53     pop     esi
  54     ret
  55