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19c6d9fe LD |
1 | ;------------------------------------------------------------------------------\r |
2 | ;\r | |
3 | ; Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r | |
4 | ; Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r | |
5 | ;\r | |
6 | ; This program and the accompanying materials are licensed and made available\r | |
7 | ; under the terms and conditions of the BSD License which accompanies this\r | |
8 | ; distribution. The full text of the license may be found at\r | |
9 | ; http://opensource.org/licenses/bsd-license.php.\r | |
10 | ;\r | |
11 | ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | ;\r | |
14 | ;------------------------------------------------------------------------------\r | |
15 | \r | |
16 | .code\r | |
17 | \r | |
18 | ;------------------------------------------------------------------------------\r | |
19 | ; VOID\r | |
20 | ; EFIAPI\r | |
21 | ; IoReadFifo8 (\r | |
22 | ; IN UINTN Port, // rcx\r | |
23 | ; IN UINTN Size, // rdx\r | |
24 | ; OUT VOID *Buffer // r8\r | |
25 | ; );\r | |
26 | ;------------------------------------------------------------------------------\r | |
27 | IoReadFifo8 PROC\r | |
28 | cld\r | |
29 | xchg rcx, rdx\r | |
30 | xchg rdi, r8 ; rdi: buffer address; r8: save rdi\r | |
31 | rep insb\r | |
32 | mov rdi, r8 ; restore rdi\r | |
33 | ret\r | |
34 | IoReadFifo8 ENDP\r | |
35 | \r | |
36 | ;------------------------------------------------------------------------------\r | |
37 | ; VOID\r | |
38 | ; EFIAPI\r | |
39 | ; IoReadFifo16 (\r | |
40 | ; IN UINTN Port, // rcx\r | |
41 | ; IN UINTN Size, // rdx\r | |
42 | ; OUT VOID *Buffer // r8\r | |
43 | ; );\r | |
44 | ;------------------------------------------------------------------------------\r | |
45 | IoReadFifo16 PROC\r | |
46 | cld\r | |
47 | xchg rcx, rdx\r | |
48 | xchg rdi, r8 ; rdi: buffer address; r8: save rdi\r | |
49 | rep insw\r | |
50 | mov rdi, r8 ; restore rdi\r | |
51 | ret\r | |
52 | IoReadFifo16 ENDP\r | |
53 | \r | |
54 | ;------------------------------------------------------------------------------\r | |
55 | ; VOID\r | |
56 | ; EFIAPI\r | |
57 | ; IoReadFifo32 (\r | |
58 | ; IN UINTN Port, // rcx\r | |
59 | ; IN UINTN Size, // rdx\r | |
60 | ; OUT VOID *Buffer // r8\r | |
61 | ; );\r | |
62 | ;------------------------------------------------------------------------------\r | |
63 | IoReadFifo32 PROC\r | |
64 | cld\r | |
65 | xchg rcx, rdx\r | |
66 | xchg rdi, r8 ; rdi: buffer address; r8: save rdi\r | |
67 | rep insd\r | |
68 | mov rdi, r8 ; restore rdi\r | |
69 | ret\r | |
70 | IoReadFifo32 ENDP\r | |
71 | \r | |
72 | ;------------------------------------------------------------------------------\r | |
73 | ; VOID\r | |
74 | ; EFIAPI\r | |
75 | ; IoWriteFifo8 (\r | |
76 | ; IN UINTN Port, // rcx\r | |
77 | ; IN UINTN Size, // rdx\r | |
78 | ; IN VOID *Buffer // r8\r | |
79 | ; );\r | |
80 | ;------------------------------------------------------------------------------\r | |
81 | IoWriteFifo8 PROC\r | |
82 | cld\r | |
83 | xchg rcx, rdx\r | |
84 | xchg rsi, r8 ; rsi: buffer address; r8: save rsi\r | |
85 | rep outsb\r | |
86 | mov rsi, r8 ; restore rsi\r | |
87 | ret\r | |
88 | IoWriteFifo8 ENDP\r | |
89 | \r | |
90 | ;------------------------------------------------------------------------------\r | |
91 | ; VOID\r | |
92 | ; EFIAPI\r | |
93 | ; IoWriteFifo16 (\r | |
94 | ; IN UINTN Port, // rcx\r | |
95 | ; IN UINTN Size, // rdx\r | |
96 | ; IN VOID *Buffer // r8\r | |
97 | ; );\r | |
98 | ;------------------------------------------------------------------------------\r | |
99 | IoWriteFifo16 PROC\r | |
100 | cld\r | |
101 | xchg rcx, rdx\r | |
102 | xchg rsi, r8 ; rsi: buffer address; r8: save rsi\r | |
103 | rep outsw\r | |
104 | mov rsi, r8 ; restore rsi\r | |
105 | ret\r | |
106 | IoWriteFifo16 ENDP\r | |
107 | \r | |
108 | ;------------------------------------------------------------------------------\r | |
109 | ; VOID\r | |
110 | ; EFIAPI\r | |
111 | ; IoWriteFifo32 (\r | |
112 | ; IN UINTN Port, // rcx\r | |
113 | ; IN UINTN Size, // rdx\r | |
114 | ; IN VOID *Buffer // r8\r | |
115 | ; );\r | |
116 | ;------------------------------------------------------------------------------\r | |
117 | IoWriteFifo32 PROC\r | |
118 | cld\r | |
119 | xchg rcx, rdx\r | |
120 | xchg rsi, r8 ; rsi: buffer address; r8: save rsi\r | |
121 | rep outsd\r | |
122 | mov rsi, r8 ; restore rsi\r | |
123 | ret\r | |
124 | IoWriteFifo32 ENDP\r | |
125 | \r | |
126 | END\r | |
127 | \r |