mirror of https://github.com/acidanthera/audk.git
127 lines
4.3 KiB
NASM
127 lines
4.3 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.
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
DEFAULT REL
|
|
SECTION .text
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; IoReadFifo8 (
|
|
; IN UINTN Port, // rcx
|
|
; IN UINTN Size, // rdx
|
|
; OUT VOID *Buffer // r8
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(IoReadFifo8)
|
|
ASM_PFX(IoReadFifo8):
|
|
cld
|
|
xchg rcx, rdx
|
|
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
|
rep insb
|
|
mov rdi, r8 ; restore rdi
|
|
ret
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; IoReadFifo16 (
|
|
; IN UINTN Port, // rcx
|
|
; IN UINTN Size, // rdx
|
|
; OUT VOID *Buffer // r8
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(IoReadFifo16)
|
|
ASM_PFX(IoReadFifo16):
|
|
cld
|
|
xchg rcx, rdx
|
|
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
|
rep insw
|
|
mov rdi, r8 ; restore rdi
|
|
ret
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; IoReadFifo32 (
|
|
; IN UINTN Port, // rcx
|
|
; IN UINTN Size, // rdx
|
|
; OUT VOID *Buffer // r8
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(IoReadFifo32)
|
|
ASM_PFX(IoReadFifo32):
|
|
cld
|
|
xchg rcx, rdx
|
|
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
|
rep insd
|
|
mov rdi, r8 ; restore rdi
|
|
ret
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; IoWriteFifo8 (
|
|
; IN UINTN Port, // rcx
|
|
; IN UINTN Size, // rdx
|
|
; IN VOID *Buffer // r8
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(IoWriteFifo8)
|
|
ASM_PFX(IoWriteFifo8):
|
|
cld
|
|
xchg rcx, rdx
|
|
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
|
rep outsb
|
|
mov rsi, r8 ; restore rsi
|
|
ret
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; IoWriteFifo16 (
|
|
; IN UINTN Port, // rcx
|
|
; IN UINTN Size, // rdx
|
|
; IN VOID *Buffer // r8
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(IoWriteFifo16)
|
|
ASM_PFX(IoWriteFifo16):
|
|
cld
|
|
xchg rcx, rdx
|
|
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
|
rep outsw
|
|
mov rsi, r8 ; restore rsi
|
|
ret
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; IoWriteFifo32 (
|
|
; IN UINTN Port, // rcx
|
|
; IN UINTN Size, // rdx
|
|
; IN VOID *Buffer // r8
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(IoWriteFifo32)
|
|
ASM_PFX(IoWriteFifo32):
|
|
cld
|
|
xchg rcx, rdx
|
|
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
|
rep outsd
|
|
mov rsi, r8 ; restore rsi
|
|
ret
|
|
|