PI 1.1 SMM Feature Check-in
[mirror_edk2.git] / IntelFrameworkPkg / Library / SmmLibNull / SmmLibNull.c
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a56678b8 1/** @file\r
2 NULL instance of SMM Library.\r
3\r
4 Copyright (c) 2009, 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
13**/\r
14\r
15#include <Base.h>\r
16#include <Library/SmmLib.h>\r
17\r
18/**\r
19 Triggers an SMI at boot time. \r
20\r
21 This function triggers a software SMM interrupt at boot time.\r
22\r
23**/\r
24VOID\r
25EFIAPI\r
26TriggerBootServiceSoftwareSmi (\r
27 VOID\r
28 )\r
29{\r
30 return;\r
31}\r
32\r
33\r
34/**\r
35 Triggers an SMI at run time. \r
36\r
37 This function triggers a software SMM interrupt at run time.\r
38\r
39**/\r
40VOID\r
41EFIAPI\r
42TriggerRuntimeSoftwareSmi (\r
43 VOID\r
44 )\r
45{\r
46 return;\r
47}\r
48\r
49\r
50\r
51/**\r
52 Test if a boot time software SMI happened. \r
53\r
54 This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and\r
55 it was triggered at boot time, it returns TRUE. Otherwise, it returns FALSE.\r
56\r
57 @retval TRUE A software SMI triggered at boot time happened.\r
58 @retval FLASE No software SMI happened or the software SMI was triggered at run time.\r
59\r
60**/\r
61BOOLEAN\r
62EFIAPI\r
63IsBootServiceSoftwareSmi (\r
64 VOID\r
65 )\r
66{\r
67 return FALSE;\r
68}\r
69\r
70\r
71/**\r
72 Test if a run time software SMI happened. \r
73\r
74 This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and\r
75 it was triggered at run time, it returns TRUE. Otherwise, it returns FALSE.\r
76\r
77 @retval TRUE A software SMI triggered at run time happened.\r
78 @retval FLASE No software SMI happened or the software SMI was triggered at boot time.\r
79\r
80**/\r
81BOOLEAN\r
82EFIAPI\r
83IsRuntimeSoftwareSmi (\r
84 VOID\r
85 )\r
86{\r
87 return FALSE;\r
88}\r
89\r
4fd13cd5 90/**\r
91\r
92 Clear APM SMI Status Bit; Set the EOS bit. \r
93 \r
94**/\r
95\r
96VOID\r
97EFIAPI\r
98ClearSmi (\r
99 VOID\r
100 )\r
101{\r
102 return;\r
103}\r