1 #------------------------------------------------------------------------------
3 # Copyright (c) 2006 - 2012, 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 Count, // rdx
20 # IN VOID *Buffer // r8
22 #------------------------------------------------------------------------------
23 ASM_GLOBAL ASM_PFX(IoReadFifo8)
27 xchg %r8, %rdi # rdi: buffer address; r8: save register
29 mov %r8, %rdi # restore rdi
32 #------------------------------------------------------------------------------
36 # IN UINTN Port, // rcx
37 # IN UINTN Count, // rdx
38 # IN VOID *Buffer // r8
40 #------------------------------------------------------------------------------
41 ASM_GLOBAL ASM_PFX(IoReadFifo16)
42 ASM_PFX(IoReadFifo16):
45 xchg %r8, %rdi # rdi: buffer address; r8: save register
47 mov %r8, %rdi # restore rdi
50 #------------------------------------------------------------------------------
54 # IN UINTN Port, // rcx
55 # IN UINTN Count, // rdx
56 # IN VOID *Buffer // r8
58 #------------------------------------------------------------------------------
59 ASM_GLOBAL ASM_PFX(IoReadFifo32)
60 ASM_PFX(IoReadFifo32):
63 xchg %r8, %rdi # rdi: buffer address; r8: save register
65 mov %r8, %rdi # restore rdi
68 #------------------------------------------------------------------------------
72 # IN UINTN Port, // rcx
73 # IN UINTN Count, // rdx
74 # IN VOID *Buffer // r8
76 #------------------------------------------------------------------------------
77 ASM_GLOBAL ASM_PFX(IoWriteFifo8)
78 ASM_PFX(IoWriteFifo8):
81 xchg %r8, %rsi # rsi: buffer address; r8: save register
83 mov %r8, %rsi # restore rsi
86 #------------------------------------------------------------------------------
90 # IN UINTN Port, // rcx
91 # IN UINTN Count, // rdx
92 # IN VOID *Buffer // r8
94 #------------------------------------------------------------------------------
95 ASM_GLOBAL ASM_PFX(IoWriteFifo16)
96 ASM_PFX(IoWriteFifo16):
99 xchg %r8, %rsi # rsi: buffer address; r8: save register
101 mov %r8, %rsi # restore rsi
104 #------------------------------------------------------------------------------
108 # IN UINTN Port, // rcx
109 # IN UINTN Count, // rdx
110 # IN VOID *Buffer // r8
112 #------------------------------------------------------------------------------
113 ASM_GLOBAL ASM_PFX(IoWriteFifo32)
114 ASM_PFX(IoWriteFifo32):
117 xchg %r8, %rsi # rsi: buffer address; r8: save register
119 mov %r8, %rsi # restore rsi