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e386b444 | 1 | /** @file\r |
2 | DXE Library.\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 | |
13 | Module Name: DxeServicesTableLib.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
e386b444 | 17 | //\r |
c7d265a9 | 18 | // The package level header files this module uses\r |
19 | //\r | |
20 | #include <PiDxe.h>\r | |
21 | //\r | |
22 | // The protocols, PPI and GUID defintions for this module\r | |
23 | //\r | |
24 | #include <Guid/DxeServices.h>\r | |
25 | //\r | |
26 | // The Library classes this module consumes\r | |
e386b444 | 27 | //\r |
c7d265a9 | 28 | #include <Library/DxeServicesTableLib.h>\r |
29 | #include <Library/DebugLib.h>\r | |
30 | #include <Library/UefiLib.h>\r | |
e386b444 | 31 | \r |
32 | //\r | |
33 | // Cache copy of the DXE Services Table\r | |
34 | //\r | |
35 | EFI_DXE_SERVICES *gDS = NULL;\r | |
36 | \r | |
37 | /**\r | |
38 | The constructor function caches the pointer of DXE Services Table.\r | |
39 | \r | |
40 | The constructor function caches the pointer of DXE Services Table.\r | |
41 | It will ASSERT() if that operation fails.\r | |
42 | It will ASSERT() if the pointer of DXE Services Table is NULL.\r | |
43 | It will always return EFI_SUCCESS.\r | |
44 | \r | |
45 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
46 | @param SystemTable A pointer to the EFI System Table.\r | |
47 | \r | |
48 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r | |
49 | \r | |
50 | **/\r | |
51 | EFI_STATUS\r | |
52 | EFIAPI\r | |
53 | DxeServicesTableLibConstructor (\r | |
54 | IN EFI_HANDLE ImageHandle,\r | |
55 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
56 | )\r | |
57 | {\r | |
58 | EFI_STATUS Status;\r | |
59 | \r | |
60 | //\r | |
61 | // Cache copy of the DXE Services Table\r | |
62 | //\r | |
63 | Status = EfiGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);\r | |
64 | ASSERT_EFI_ERROR (Status);\r | |
65 | ASSERT (gDS != NULL);\r | |
66 | \r | |
67 | return Status;\r | |
68 | }\r |