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[mirror_edk2.git] / MdePkg / Include / Library / DxeServicesTableLib.h
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fb3df220 1/** @file\r
50a64e5b 2 Provides a service to retrieve a pointer to the DXE Services Table.\r
3 Only available to DXE module types.\r
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4\r
5 This library does not contain any functions or macros. It simply exports a global\r
6 pointer to the DXE Services Table as defined in the Platform Initialization Driver\r
7 Execution Environment Core Interface Specification. The library constructor must\r
f9eb929d 8 initialize this global pointer to the DX Services Table, so it is available at the\r
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9 module's entry point. Since there is overhead in looking up the pointer to the DXE\r
10 Services Table, only those modules that actually require access to the DXE Services\r
11 Table should use this library. This will typically be DXE Drivers that require GCD\r
f9eb929d 12 or Dispatcher services.\r
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13\r
14Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
9344f092 15SPDX-License-Identifier: BSD-2-Clause-Patent\r
fb3df220 16\r
fb3df220 17**/\r
18\r
19#ifndef __DXE_SERVICES_TABLE_LIB_H__\r
20#define __DXE_SERVICES_TABLE_LIB_H__\r
21\r
fc30687f 22///\r
23/// Cache copy of the DXE Services Table\r
24///\r
fb3df220 25extern EFI_DXE_SERVICES *gDS;\r
26\r
27#endif\r