audk/MdePkg/Library/BaseIoLibIntrinsic/Ia32/IoFifo.asm

142 lines
3.8 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2017, AMD Incorporated. 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.
;
;------------------------------------------------------------------------------
.586P
.model flat,C
.code
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoReadFifo8 (
; IN UINTN Port,
; IN UINTN Size,
; OUT VOID *Buffer
; );
;------------------------------------------------------------------------------
IoReadFifo8 PROC
push edi
cld
mov dx, [esp + 8]
mov ecx, [esp + 12]
mov edi, [esp + 16]
rep insb
pop edi
ret
IoReadFifo8 ENDP
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoReadFifo16 (
; IN UINTN Port,
; IN UINTN Size,
; OUT VOID *Buffer
; );
;------------------------------------------------------------------------------
IoReadFifo16 PROC
push edi
cld
mov dx, [esp + 8]
mov ecx, [esp + 12]
mov edi, [esp + 16]
rep insw
pop edi
ret
IoReadFifo16 ENDP
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoReadFifo32 (
; IN UINTN Port,
; IN UINTN Size,
; OUT VOID *Buffer
; );
;------------------------------------------------------------------------------
IoReadFifo32 PROC
push edi
cld
mov dx, [esp + 8]
mov ecx, [esp + 12]
mov edi, [esp + 16]
rep insd
pop edi
ret
IoReadFifo32 ENDP
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoWriteFifo8 (
; IN UINTN Port,
; IN UINTN Size,
; IN VOID *Buffer
; );
;------------------------------------------------------------------------------
IoWriteFifo8 PROC
push esi
cld
mov dx, [esp + 8]
mov ecx, [esp + 12]
mov esi, [esp + 16]
rep outsb
pop esi
ret
IoWriteFifo8 ENDP
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoWriteFifo16 (
; IN UINTN Port,
; IN UINTN Size,
; IN VOID *Buffer
; );
;------------------------------------------------------------------------------
IoWriteFifo16 PROC
push esi
cld
mov dx, [esp + 8]
mov ecx, [esp + 12]
mov esi, [esp + 16]
rep outsw
pop esi
ret
IoWriteFifo16 ENDP
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoWriteFifo32 (
; IN UINTN Port,
; IN UINTN Size,
; IN VOID *Buffer
; );
;------------------------------------------------------------------------------
IoWriteFifo32 PROC
push esi
cld
mov dx, [esp + 8]
mov ecx, [esp + 12]
mov esi, [esp + 16]
rep outsd
pop esi
ret
IoWriteFifo32 ENDP
END