mirror of https://github.com/acidanthera/audk.git
48 lines
1.8 KiB
ArmAsm
48 lines
1.8 KiB
ArmAsm
#------------------------------------------------------------------------------
|
|
#
|
|
# 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.
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
|
|
#------------------------------------------------------------------------------
|
|
# VOID
|
|
# EFIAPI
|
|
# IoReadFifo8 (
|
|
# IN UINTN Port, // rcx
|
|
# IN UINTN Size, // rdx
|
|
# IN VOID *Buffer // r8
|
|
# );
|
|
#------------------------------------------------------------------------------
|
|
ASM_GLOBAL ASM_PFX(IoReadFifo8)
|
|
ASM_PFX(IoReadFifo8):
|
|
xchg %rcx, %rdx
|
|
xchg %r8, %rdi # rdi: buffer address; r8: save rdi
|
|
rep insb
|
|
mov %r8, %rdi # restore rdi
|
|
ret
|
|
|
|
#------------------------------------------------------------------------------
|
|
# VOID
|
|
# EFIAPI
|
|
# IoWriteFifo8 (
|
|
# IN UINTN Port, // rcx
|
|
# IN UINTN Size, // rdx
|
|
# IN VOID *Buffer // r8
|
|
# );
|
|
#------------------------------------------------------------------------------
|
|
ASM_GLOBAL ASM_PFX(IoWriteFifo8)
|
|
ASM_PFX(IoWriteFifo8):
|
|
xchg %rcx, %rdx
|
|
xchg %r8, %rsi # rdi: buffer address; r8: save rsi
|
|
rep outsb
|
|
mov %r8, %rsi # restore rsi
|
|
ret
|
|
|