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e1f414b6 | 1 | /** @file\r |
2 | Common I/O Library routines.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation<BR>\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
e1f414b6 | 13 | **/\r |
14 | \r | |
f734a10a | 15 | #include "BaseIoLibIntrinsicInternal.h"\r |
e1f414b6 | 16 | \r |
17 | /**\r | |
18 | Reads a 64-bit I/O port.\r | |
19 | \r | |
20 | Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.\r | |
21 | This function must guarantee that all I/O read and write operations are\r | |
22 | serialized.\r | |
23 | \r | |
24 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
2281e7a9 | 25 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
e1f414b6 | 26 | \r |
27 | @param Port The I/O port to read.\r | |
28 | \r | |
2281e7a9 | 29 | @return The value read.\r |
e1f414b6 | 30 | \r |
31 | **/\r | |
32 | UINT64\r | |
33 | EFIAPI\r | |
34 | IoRead64 (\r | |
35 | IN UINTN Port\r | |
36 | )\r | |
37 | {\r | |
38 | ASSERT (FALSE);\r | |
39 | return 0;\r | |
40 | }\r | |
41 | \r | |
42 | /**\r | |
43 | Writes a 64-bit I/O port.\r | |
44 | \r | |
45 | Writes the 64-bit I/O port specified by Port with the value specified by Value\r | |
46 | and returns Value. This function must guarantee that all I/O read and write\r | |
47 | operations are serialized.\r | |
48 | \r | |
49 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
2281e7a9 | 50 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
e1f414b6 | 51 | \r |
52 | @param Port The I/O port to write.\r | |
53 | @param Value The value to write to the I/O port.\r | |
54 | \r | |
2281e7a9 | 55 | @return The value written the I/O port.\r |
e1f414b6 | 56 | \r |
57 | **/\r | |
58 | UINT64\r | |
59 | EFIAPI\r | |
60 | IoWrite64 (\r | |
61 | IN UINTN Port,\r | |
62 | IN UINT64 Value\r | |
63 | )\r | |
64 | {\r | |
65 | ASSERT (FALSE);\r | |
66 | return 0;\r | |
67 | }\r | |
68 | \r |