MdePkg/Library/BaseIoLibIntrinsic/Ia32/IoFifo.asm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
   4 ; Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
   5 ;
   6 ; This program and the accompanying materials are licensed and made available
   7 ; under the terms and conditions of the BSD License which accompanies this
   8 ; distribution.  The full text of the license may be found at
   9 ; http://opensource.org/licenses/bsd-license.php.
  10 ;
  11 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13 ;
  14 ;------------------------------------------------------------------------------
  15
  16     .586P
  17     .model  flat,C
  18     .code
  19
  20 ;------------------------------------------------------------------------------
  21 ;  VOID
  22 ;  EFIAPI
  23 ;  IoReadFifo8 (
  24 ;    IN  UINTN                 Port,
  25 ;    IN  UINTN                 Size,
  26 ;    OUT VOID                  *Buffer
  27 ;    );
  28 ;------------------------------------------------------------------------------
  29 IoReadFifo8 PROC
  30     push    edi
  31     cld
  32     mov     dx, [esp + 8]
  33     mov     ecx, [esp + 12]
  34     mov     edi, [esp + 16]
  35 rep insb
  36     pop     edi
  37     ret
  38 IoReadFifo8 ENDP
  39
  40 ;------------------------------------------------------------------------------
  41 ;  VOID
  42 ;  EFIAPI
  43 ;  IoReadFifo16 (
  44 ;    IN  UINTN                 Port,
  45 ;    IN  UINTN                 Size,
  46 ;    OUT VOID                  *Buffer
  47 ;    );
  48 ;------------------------------------------------------------------------------
  49 IoReadFifo16 PROC
  50     push    edi
  51     cld
  52     mov     dx, [esp + 8]
  53     mov     ecx, [esp + 12]
  54     mov     edi, [esp + 16]
  55 rep insw
  56     pop     edi
  57     ret
  58 IoReadFifo16 ENDP
  59
  60 ;------------------------------------------------------------------------------
  61 ;  VOID
  62 ;  EFIAPI
  63 ;  IoReadFifo32 (
  64 ;    IN  UINTN                 Port,
  65 ;    IN  UINTN                 Size,
  66 ;    OUT VOID                  *Buffer
  67 ;    );
  68 ;------------------------------------------------------------------------------
  69 IoReadFifo32 PROC
  70     push    edi
  71     cld
  72     mov     dx, [esp + 8]
  73     mov     ecx, [esp + 12]
  74     mov     edi, [esp + 16]
  75 rep insd
  76     pop     edi
  77     ret
  78 IoReadFifo32 ENDP
  79
  80 ;------------------------------------------------------------------------------
  81 ;  VOID
  82 ;  EFIAPI
  83 ;  IoWriteFifo8 (
  84 ;    IN UINTN                  Port,
  85 ;    IN UINTN                  Size,
  86 ;    IN VOID                   *Buffer
  87 ;    );
  88 ;------------------------------------------------------------------------------
  89 IoWriteFifo8 PROC
  90     push    esi
  91     cld
  92     mov     dx, [esp + 8]
  93     mov     ecx, [esp + 12]
  94     mov     esi, [esp + 16]
  95 rep outsb
  96     pop     esi
  97     ret
  98 IoWriteFifo8 ENDP
  99
 100 ;------------------------------------------------------------------------------
 101 ;  VOID
 102 ;  EFIAPI
 103 ;  IoWriteFifo16 (
 104 ;    IN UINTN                  Port,
 105 ;    IN UINTN                  Size,
 106 ;    IN VOID                   *Buffer
 107 ;    );
 108 ;------------------------------------------------------------------------------
 109 IoWriteFifo16 PROC
 110     push    esi
 111     cld
 112     mov     dx, [esp + 8]
 113     mov     ecx, [esp + 12]
 114     mov     esi, [esp + 16]
 115 rep outsw
 116     pop     esi
 117     ret
 118 IoWriteFifo16 ENDP
 119
 120 ;------------------------------------------------------------------------------
 121 ;  VOID
 122 ;  EFIAPI
 123 ;  IoWriteFifo32 (
 124 ;    IN UINTN                  Port,
 125 ;    IN UINTN                  Size,
 126 ;    IN VOID                   *Buffer
 127 ;    );
 128 ;------------------------------------------------------------------------------
 129 IoWriteFifo32 PROC
 130     push    esi
 131     cld
 132     mov     dx, [esp + 8]
 133     mov     ecx, [esp + 12]
 134     mov     esi, [esp + 16]
 135 rep outsd
 136     pop     esi
 137     ret
 138 IoWriteFifo32 ENDP
 139
 140     END
 141