audk/PcAtChipsetPkg/PciHostBridgeDxe/Ia32/IoFifo.S

#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution.  The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#------------------------------------------------------------------------------

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoReadFifo8 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoReadFifo8)
ASM_PFX(IoReadFifo8):
    push    %edi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %edi
rep insb
    pop     %edi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoReadFifo16 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoReadFifo16)
ASM_PFX(IoReadFifo16):
    push    %edi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %edi
rep insw
    pop     %edi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoReadFifo32 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoReadFifo32)
ASM_PFX(IoReadFifo32):
    push    %edi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %edi
rep insl
    pop     %edi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoWriteFifo8 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo8)
ASM_PFX(IoWriteFifo8):
    push    %esi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %esi
rep outsb
    pop     %esi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoWriteFifo16 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo16)
ASM_PFX(IoWriteFifo16):
    push    %esi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %esi
rep outsw
    pop     %esi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoWriteFifo32 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo32)
ASM_PFX(IoWriteFifo32):
    push    %esi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %esi
rep outsl
    pop     %esi
    ret