MdePkg/Library/BaseIoLibIntrinsic/Ia32/IoFifo.nasm

   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 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   7 ;
   8 ;------------------------------------------------------------------------------
   9
  10     SECTION .text
  11
  12 ;------------------------------------------------------------------------------
  13 ;  VOID
  14 ;  EFIAPI
  15 ;  IoReadFifo8 (
  16 ;    IN  UINTN                 Port,
  17 ;    IN  UINTN                 Size,
  18 ;    OUT VOID                  *Buffer
  19 ;    );
  20 ;------------------------------------------------------------------------------
  21 global ASM_PFX(IoReadFifo8)
  22 ASM_PFX(IoReadFifo8):
  23     push    edi
  24     cld
  25     mov     dx, [esp + 8]
  26     mov     ecx, [esp + 12]
  27     mov     edi, [esp + 16]
  28 rep insb
  29     pop     edi
  30     ret
  31
  32 ;------------------------------------------------------------------------------
  33 ;  VOID
  34 ;  EFIAPI
  35 ;  IoReadFifo16 (
  36 ;    IN  UINTN                 Port,
  37 ;    IN  UINTN                 Size,
  38 ;    OUT VOID                  *Buffer
  39 ;    );
  40 ;------------------------------------------------------------------------------
  41 global ASM_PFX(IoReadFifo16)
  42 ASM_PFX(IoReadFifo16):
  43     push    edi
  44     cld
  45     mov     dx, [esp + 8]
  46     mov     ecx, [esp + 12]
  47     mov     edi, [esp + 16]
  48 rep insw
  49     pop     edi
  50     ret
  51
  52 ;------------------------------------------------------------------------------
  53 ;  VOID
  54 ;  EFIAPI
  55 ;  IoReadFifo32 (
  56 ;    IN  UINTN                 Port,
  57 ;    IN  UINTN                 Size,
  58 ;    OUT VOID                  *Buffer
  59 ;    );
  60 ;------------------------------------------------------------------------------
  61 global ASM_PFX(IoReadFifo32)
  62 ASM_PFX(IoReadFifo32):
  63     push    edi
  64     cld
  65     mov     dx, [esp + 8]
  66     mov     ecx, [esp + 12]
  67     mov     edi, [esp + 16]
  68 rep insd
  69     pop     edi
  70     ret
  71
  72 ;------------------------------------------------------------------------------
  73 ;  VOID
  74 ;  EFIAPI
  75 ;  IoWriteFifo8 (
  76 ;    IN UINTN                  Port,
  77 ;    IN UINTN                  Size,
  78 ;    IN VOID                   *Buffer
  79 ;    );
  80 ;------------------------------------------------------------------------------
  81 global ASM_PFX(IoWriteFifo8)
  82 ASM_PFX(IoWriteFifo8):
  83     push    esi
  84     cld
  85     mov     dx, [esp + 8]
  86     mov     ecx, [esp + 12]
  87     mov     esi, [esp + 16]
  88 rep outsb
  89     pop     esi
  90     ret
  91
  92 ;------------------------------------------------------------------------------
  93 ;  VOID
  94 ;  EFIAPI
  95 ;  IoWriteFifo16 (
  96 ;    IN UINTN                  Port,
  97 ;    IN UINTN                  Size,
  98 ;    IN VOID                   *Buffer
  99 ;    );
 100 ;------------------------------------------------------------------------------
 101 global ASM_PFX(IoWriteFifo16)
 102 ASM_PFX(IoWriteFifo16):
 103     push    esi
 104     cld
 105     mov     dx, [esp + 8]
 106     mov     ecx, [esp + 12]
 107     mov     esi, [esp + 16]
 108 rep outsw
 109     pop     esi
 110     ret
 111
 112 ;------------------------------------------------------------------------------
 113 ;  VOID
 114 ;  EFIAPI
 115 ;  IoWriteFifo32 (
 116 ;    IN UINTN                  Port,
 117 ;    IN UINTN                  Size,
 118 ;    IN VOID                   *Buffer
 119 ;    );
 120 ;------------------------------------------------------------------------------
 121 global ASM_PFX(IoWriteFifo32)
 122 ASM_PFX(IoWriteFifo32):
 123     push    esi
 124     cld
 125     mov     dx, [esp + 8]
 126     mov     ecx, [esp + 12]
 127     mov     esi, [esp + 16]
 128 rep outsd
 129     pop     esi
 130     ret
 131