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33 lines
1.3 KiB
33 lines
1.3 KiB
4 years ago
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/** @file
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Provides a service to retrieve a pointer to the EFI Runtime Services Table.
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This library does not contain any functions or macros. It simply exports the
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global variable gRT that is a pointer to the EFI Runtime Services Table as defined
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in the UEFI Specification. The global variable gRT must be preinitialized to NULL.
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The library constructor must set gRT to point at the EFI Runtime Services Table so
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it is available at the module's entry point. Since there is overhead in initializing
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this global variable, only those modules that actually require access to the EFI
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Runtime Services Table should use this library.
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Only available to DXE and UEFI module types.
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __UEFI_RUNTIME_SERVICES_TABLE_LIB_H__
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#define __UEFI_RUNTIME_SERVICES_TABLE_LIB_H__
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///
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/// Cached copy of the EFI Runtime Services Table
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///
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extern EFI_RUNTIME_SERVICES *gRT;
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#endif
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