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3eb9473e 1/*++\r
2\r
4b1e1121
HT
3Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>\r
4This program and the accompanying materials \r
3eb9473e 5are licensed and made available under the terms and conditions of the BSD License \r
6which accompanies this distribution. The full text of the license may be found at \r
7http://opensource.org/licenses/bsd-license.php \r
8 \r
9THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
10WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
11\r
12Module Name:\r
13\r
14 WinNtLib.c\r
15\r
16Abstract:\r
17\r
18 Setup gWinNt global \r
19\r
20--*/\r
21\r
22#include "Efi2WinNT.h"\r
23#include "EfiWinNtLib.h"\r
24#include "EfiDriverLib.h"\r
25#include "EfiHobLib.h"\r
26#include EFI_GUID_DEFINITION (Hob)\r
27\r
28EFI_WIN_NT_THUNK_PROTOCOL *gWinNt;\r
29\r
30EFI_GUID mEfiHobListGuid = EFI_HOB_LIST_GUID;\r
31\r
32EFI_STATUS\r
33EfiInitializeWinNtDriverLib (\r
34 IN EFI_HANDLE ImageHandle,\r
35 IN EFI_SYSTEM_TABLE *SystemTable\r
36 )\r
37/*++\r
38\r
39Routine Description:\r
40\r
41 Intialize gWinNt and initialize debug console. \r
42\r
43Arguments:\r
44\r
45 (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)\r
46\r
47Returns: \r
48\r
49 None\r
50\r
51--*/\r
52// TODO: ImageHandle - add argument and description to function comment\r
53// TODO: SystemTable - add argument and description to function comment\r
54// TODO: EFI_NOT_FOUND - add return value to function comment\r
55// TODO: EFI_NOT_FOUND - add return value to function comment\r
56// TODO: EFI_SUCCESS - add return value to function comment\r
57{\r
58 EFI_STATUS Status;\r
59 VOID *HobList;\r
60 VOID *Pointer;\r
61\r
62 Status = EfiLibGetSystemConfigurationTable (&mEfiHobListGuid, &HobList);\r
63 if (EFI_ERROR (Status)) {\r
64 return EFI_NOT_FOUND;\r
65 }\r
66\r
67 ASSERT (NULL != HobList);\r
68 Status = GetNextGuidHob (&HobList, &gEfiWinNtThunkProtocolGuid, &Pointer, NULL);\r
69 if (EFI_ERROR (Status)) {\r
70 return EFI_NOT_FOUND;\r
71 }\r
72\r
73 gWinNt = (VOID *) (*(UINTN *) (Pointer));\r
74 return EFI_SUCCESS;\r
75}\r