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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 | |
a8e756da | 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 | |
878ddf1f | 9 | \r |
a8e756da | 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 | |
878ddf1f | 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 | |
a8e756da | 24 | The constructor function caches the pointer of Boot Services Table through System Table.\r |
a42b1820 | 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 | |
a8e756da | 31 | \r |
a42b1820 | 32 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r |
33 | \r | |
878ddf1f | 34 | **/\r |
35 | EFI_STATUS\r | |
a8e756da | 36 | EFIAPI\r |
878ddf1f | 37 | UefiBootServicesTableLibConstructor (\r |
38 | IN EFI_HANDLE ImageHandle,\r | |
39 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
40 | )\r | |
41 | {\r | |
42 | //\r | |
43 | // Cache the Image Handle\r | |
44 | //\r | |
45 | gImageHandle = ImageHandle;\r | |
46 | \r | |
47 | //\r | |
48 | // Cache pointer to the EFI System Table\r | |
49 | //\r | |
50 | gST = SystemTable;\r | |
51 | ASSERT (gST != NULL);\r | |
52 | \r | |
53 | //\r | |
54 | // Cache pointer to the EFI Boot Services Table\r | |
55 | //\r | |
56 | gBS = SystemTable->BootServices;\r | |
57 | ASSERT (gBS != NULL);\r | |
58 | \r | |
59 | return EFI_SUCCESS;\r | |
60 | }\r |