audk/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.nasm

56 lines
1.7 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2013, 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.
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoReadFifo8 (
; IN UINTN Port,
; IN UINTN Size,
; IN VOID *Buffer
; );
;------------------------------------------------------------------------------
global ASM_PFX(IoReadFifo8)
ASM_PFX(IoReadFifo8):
mov dx, [esp + 4]
mov ecx, [esp + 8]
push edi
mov edi, [esp + 16]
rep insb
pop edi
ret
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; IoWriteFifo8 (
; IN UINTN Port,
; IN UINTN Size,
; IN VOID *Buffer
; );
;------------------------------------------------------------------------------
global ASM_PFX(IoWriteFifo8)
ASM_PFX(IoWriteFifo8):
mov dx, [esp + 4]
mov ecx, [esp + 8]
push esi
mov esi, [esp + 16]
rep outsb
pop esi
ret