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c9eb56e5 | 1 | /** @file\r |
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2 | Detection code for QEMU debug port.\r |
3 | Non-SEC instance, caches the result of detection.\r | |
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4 | \r |
5 | Copyright (c) 2017, Red Hat, Inc.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this 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 | #include <Base.h>\r | |
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17 | #include "DebugLibDetect.h"\r |
18 | \r | |
19 | //\r | |
20 | // Set to TRUE if the debug I/O port is enabled\r | |
21 | //\r | |
22 | STATIC BOOLEAN mDebugIoPortFound = FALSE;\r | |
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23 | \r |
24 | /**\r | |
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25 | This constructor function checks if the debug I/O port device is present,\r |
26 | caching the result for later use.\r | |
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27 | \r |
28 | @retval RETURN_SUCCESS The constructor always returns RETURN_SUCCESS.\r | |
29 | \r | |
30 | **/\r | |
31 | RETURN_STATUS\r | |
32 | EFIAPI\r | |
33 | PlatformDebugLibIoPortConstructor (\r | |
34 | VOID\r | |
35 | )\r | |
36 | {\r | |
c09d9571 | 37 | mDebugIoPortFound = PlatformDebugLibIoPortDetect();\r |
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38 | return RETURN_SUCCESS;\r |
39 | }\r | |
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40 | \r |
41 | /**\r | |
42 | Return the cached result of detecting the debug I/O port device.\r | |
43 | \r | |
44 | @retval TRUE if the debug I/O port device was detected.\r | |
45 | @retval FALSE otherwise\r | |
46 | \r | |
47 | **/\r | |
48 | BOOLEAN\r | |
49 | EFIAPI\r | |
50 | PlatformDebugLibIoPortFound (\r | |
51 | VOID\r | |
52 | )\r | |
53 | {\r | |
54 | return mDebugIoPortFound;\r | |
55 | }\r |