PcAtChipsetPkg/PciHostBridgeDxe/Ia32/IoFifo.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2006 - 2012, 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 #------------------------------------------------------------------------------
  15 #  VOID
  16 #  EFIAPI
  17 #  IoReadFifo8 (
  18 #    IN UINTN                  Port,
  19 #    IN UINTN                  Count,
  20 #    IN VOID                   *Buffer
  21 #    );
  22 #------------------------------------------------------------------------------
  23 ASM_GLOBAL ASM_PFX(IoReadFifo8)
  24 ASM_PFX(IoReadFifo8):
  25     push    %edi
  26     cld
  27     movw    8(%esp), %dx
  28     mov     12(%esp), %ecx
  29     mov     16(%esp), %edi
  30 rep insb
  31     pop     %edi
  32     ret
  33
  34 #------------------------------------------------------------------------------
  35 #  VOID
  36 #  EFIAPI
  37 #  IoReadFifo16 (
  38 #    IN UINTN                  Port,
  39 #    IN UINTN                  Count,
  40 #    IN VOID                   *Buffer
  41 #    );
  42 #------------------------------------------------------------------------------
  43 ASM_GLOBAL ASM_PFX(IoReadFifo16)
  44 ASM_PFX(IoReadFifo16):
  45     push    %edi
  46     cld
  47     movw    8(%esp), %dx
  48     mov     12(%esp), %ecx
  49     mov     16(%esp), %edi
  50 rep insw
  51     pop     %edi
  52     ret
  53
  54 #------------------------------------------------------------------------------
  55 #  VOID
  56 #  EFIAPI
  57 #  IoReadFifo32 (
  58 #    IN UINTN                  Port,
  59 #    IN UINTN                  Count,
  60 #    IN VOID                   *Buffer
  61 #    );
  62 #------------------------------------------------------------------------------
  63 ASM_GLOBAL ASM_PFX(IoReadFifo32)
  64 ASM_PFX(IoReadFifo32):
  65     push    %edi
  66     cld
  67     movw    8(%esp), %dx
  68     mov     12(%esp), %ecx
  69     mov     16(%esp), %edi
  70 rep insl
  71     pop     %edi
  72     ret
  73
  74 #------------------------------------------------------------------------------
  75 #  VOID
  76 #  EFIAPI
  77 #  IoWriteFifo8 (
  78 #    IN UINTN                  Port,
  79 #    IN UINTN                  Count,
  80 #    IN VOID                   *Buffer
  81 #    );
  82 #------------------------------------------------------------------------------
  83 ASM_GLOBAL ASM_PFX(IoWriteFifo8)
  84 ASM_PFX(IoWriteFifo8):
  85     push    %esi
  86     cld
  87     movw    8(%esp), %dx
  88     mov     12(%esp), %ecx
  89     mov     16(%esp), %esi
  90 rep outsb
  91     pop     %esi
  92     ret
  93
  94 #------------------------------------------------------------------------------
  95 #  VOID
  96 #  EFIAPI
  97 #  IoWriteFifo16 (
  98 #    IN UINTN                  Port,
  99 #    IN UINTN                  Count,
 100 #    IN VOID                   *Buffer
 101 #    );
 102 #------------------------------------------------------------------------------
 103 ASM_GLOBAL ASM_PFX(IoWriteFifo16)
 104 ASM_PFX(IoWriteFifo16):
 105     push    %esi
 106     cld
 107     movw    8(%esp), %dx
 108     mov     12(%esp), %ecx
 109     mov     16(%esp), %esi
 110 rep outsw
 111     pop     %esi
 112     ret
 113
 114 #------------------------------------------------------------------------------
 115 #  VOID
 116 #  EFIAPI
 117 #  IoWriteFifo32 (
 118 #    IN UINTN                  Port,
 119 #    IN UINTN                  Count,
 120 #    IN VOID                   *Buffer
 121 #    );
 122 #------------------------------------------------------------------------------
 123 ASM_GLOBAL ASM_PFX(IoWriteFifo32)
 124 ASM_PFX(IoWriteFifo32):
 125     push    %esi
 126     cld
 127     movw    8(%esp), %dx
 128     mov     12(%esp), %ecx
 129     mov     16(%esp), %esi
 130 rep outsl
 131     pop     %esi
 132     ret
 133