1 #------------------------------------------------------------------------------
3 # Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
4 # This program and the accompanying materials
5 # are licensed and made available under the terms and conditions of the BSD License
6 # which accompanies this distribution. The full text of the license may be found at
7 # http://opensource.org/licenses/bsd-license.php.
9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 #------------------------------------------------------------------------------
14 #------------------------------------------------------------------------------
18 # IN UINTN Port, // rcx
19 # IN UINTN Size, // rdx
20 # IN VOID *Buffer // r8
22 #------------------------------------------------------------------------------
23 ASM_GLOBAL ASM_PFX(IoReadFifo8)
26 xchg %r8, %rdi # rdi: buffer address; r8: save rdi
28 mov %r8, %rdi # restore rdi
31 #------------------------------------------------------------------------------
35 # IN UINTN Port, // rcx
36 # IN UINTN Size, // rdx
37 # IN VOID *Buffer // r8
39 #------------------------------------------------------------------------------
40 ASM_GLOBAL ASM_PFX(IoWriteFifo8)
41 ASM_PFX(IoWriteFifo8):
43 xchg %r8, %rsi # rdi: buffer address; r8: save rsi
45 mov %r8, %rsi # restore rsi