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878ddf1f | 1 | /** @file\r |
2 | UEFI Boot Services Table 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: UefiBootServicesTableLib.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | EFI_HANDLE gImageHandle;\r | |
18 | EFI_SYSTEM_TABLE *gST;\r | |
19 | EFI_BOOT_SERVICES *gBS;\r | |
20 | \r | |
21 | /**\r | |
a42b1820 | 22 | The constructor function caches the pointer of Boot Services Table.\r |
23 | \r | |
24 | The constructor function caches the pointer of Boot Services Table through System Table. \r | |
25 | It will ASSERT() if the pointer of System Table is NULL.\r | |
26 | It will ASSERT() if the pointer of Boot Services Table is NULL.\r | |
27 | It will always return EFI_SUCCESS.\r | |
28 | \r | |
29 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
30 | @param SystemTable A pointer to the EFI System Table.\r | |
31 | \r | |
32 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r | |
33 | \r | |
878ddf1f | 34 | **/\r |
35 | EFI_STATUS\r | |
36 | UefiBootServicesTableLibConstructor (\r | |
37 | IN EFI_HANDLE ImageHandle,\r | |
38 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
39 | )\r | |
40 | {\r | |
41 | //\r | |
42 | // Cache the Image Handle\r | |
43 | //\r | |
44 | gImageHandle = ImageHandle;\r | |
45 | \r | |
46 | //\r | |
47 | // Cache pointer to the EFI System Table\r | |
48 | //\r | |
49 | gST = SystemTable;\r | |
50 | ASSERT (gST != NULL);\r | |
51 | \r | |
52 | //\r | |
53 | // Cache pointer to the EFI Boot Services Table\r | |
54 | //\r | |
55 | gBS = SystemTable->BootServices;\r | |
56 | ASSERT (gBS != NULL);\r | |
57 | \r | |
58 | return EFI_SUCCESS;\r | |
59 | }\r |