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1 | /** @file\r | |
2 | OEM hook status code library functions with no library constructor/destructor\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation\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 | Module Name: Nt32OemHookStatusCodeLib.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include <stdio.h>\r | |
18 | \r | |
19 | //\r | |
20 | // Cache of WinNtThunk protocol \r | |
21 | //\r | |
22 | STATIC\r | |
23 | EFI_WIN_NT_THUNK_PROTOCOL *mWinNt;\r | |
24 | \r | |
25 | //\r | |
26 | // Cache of standard output handle . \r | |
27 | //\r | |
28 | STATIC\r | |
29 | HANDLE mStdOut;\r | |
30 | \r | |
31 | /**\r | |
32 | \r | |
33 | Initialize OEM status code device .\r | |
34 | \r | |
35 | @return Always return EFI_SUCCESS.\r | |
36 | \r | |
37 | **/\r | |
38 | EFI_STATUS\r | |
39 | EFIAPI\r | |
40 | OemHookStatusCodeInitialize (\r | |
41 | VOID\r | |
42 | )\r | |
43 | {\r | |
44 | PEI_NT_THUNK_PPI *NtThunkPpi;\r | |
45 | EFI_STATUS Status;\r | |
46 | \r | |
47 | if (FeaturePcdGet (PcdNt32StatusCodeLibUseForPei)) {\r | |
48 | //\r | |
49 | // Locate NtThunkPpi for retrieving standard output handle\r | |
50 | //\r | |
51 | Status = PeiServicesLocatePpi (\r | |
52 | &gPeiNtThunkPpiGuid,\r | |
53 | 0,\r | |
54 | NULL,\r | |
55 | (VOID **) &NtThunkPpi\r | |
56 | );\r | |
57 | \r | |
58 | ASSERT_EFI_ERROR (Status);\r | |
59 | \r | |
60 | mWinNt = (EFI_WIN_NT_THUNK_PROTOCOL *) NtThunkPpi->NtThunk ();\r | |
61 | } else {\r | |
62 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
63 | \r | |
64 | //\r | |
65 | // Retrieve WinNtThunkProtocol from GUID'ed HOB\r | |
66 | //\r | |
67 | GuidHob = GetFirstGuidHob (&gEfiWinNtThunkProtocolGuid);\r | |
68 | ASSERT (GuidHob != NULL);\r | |
69 | mWinNt = (EFI_WIN_NT_THUNK_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));\r | |
70 | ASSERT (mWinNt != NULL);\r | |
71 | }\r | |
72 | \r | |
73 | //\r | |
74 | // Cache standard output handle.\r | |
75 | //\r | |
76 | mStdOut = mWinNt->GetStdHandle (STD_OUTPUT_HANDLE);\r | |
77 | \r | |
78 | return EFI_SUCCESS;\r | |
79 | }\r | |
80 | \r | |
81 | /**\r | |
82 | Report status code to OEM device.\r | |
83 | \r | |
84 | Content-type: text/html ]>