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| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 06:57:39 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 06:57:39 +0000 |
| commit | e386b444c88b01c5a14ca846b6ba10dcf5536e05 (patch) | |
| tree | 25d2f4f7e149cec0bba4b5b508b21b10c161e240 /MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c | |
| parent | b6460fcfd993cde549d9563885a20606caa70686 (diff) | |
| download | edk2-e386b444c88b01c5a14ca846b6ba10dcf5536e05.tar.gz edk2-e386b444c88b01c5a14ca846b6ba10dcf5536e05.tar.bz2 edk2-e386b444c88b01c5a14ca846b6ba10dcf5536e05.zip | |
Import some Pei and Dxe related instances for MdePkg.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2712 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c')
| -rw-r--r-- | MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c new file mode 100644 index 0000000000..b7795e6a3c --- /dev/null +++ b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c @@ -0,0 +1,66 @@ +/** @file
+ UEFI Boot Services Table Library.
+
+ Copyright (c) 2006 - 2007, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: UefiBootServicesTableLib.c
+
+**/
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+EFI_HANDLE gImageHandle = NULL;
+EFI_SYSTEM_TABLE *gST = NULL;
+EFI_BOOT_SERVICES *gBS = NULL;
+
+/**
+ The constructor function caches the pointer of Boot Services Table.
+
+ The constructor function caches the pointer of Boot Services Table through System Table.
+ It will ASSERT() if the pointer of System Table is NULL.
+ It will ASSERT() if the pointer of Boot Services Table is NULL.
+ It will always return EFI_SUCCESS.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+UefiBootServicesTableLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ //
+ // Cache the Image Handle
+ //
+ gImageHandle = ImageHandle;
+ ASSERT (gImageHandle != NULL);
+
+ //
+ // Cache pointer to the EFI System Table
+ //
+ gST = SystemTable;
+ ASSERT (gST != NULL);
+
+ //
+ // Cache pointer to the EFI Boot Services Table
+ //
+ gBS = SystemTable->BootServices;
+ ASSERT (gBS != NULL);
+
+ return EFI_SUCCESS;
+}
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