PcAtChipsetPkg/PciHostBridgeDxe/Ia32/IoFifo.S

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