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Maurice Ma
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/** @file
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Copyright (c) 2016 - 2017, 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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#include <PiPei.h>
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#include <Library/PcdLib.h>
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#include <Library/BootloaderCoreLib.h>
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/**
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This function sets the Loader global data pointer.
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@param[in] LoaderData Loader data pointer.
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**/
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VOID
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EFIAPI
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SetLoaderGlobalDataPointer (
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IN LOADER_GLOBAL_DATA *LoaderData
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)
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{
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IA32_DESCRIPTOR Idtr;
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AsmReadIdtr (&Idtr);
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(* (UINTN *) (Idtr.Base - sizeof (UINTN))) = (UINTN)LoaderData;
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}
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/**
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This function gets the Loader global data pointer.
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**/
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LOADER_GLOBAL_DATA *
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EFIAPI
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GetLoaderGlobalDataPointer (
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VOID
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)
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{
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IA32_DESCRIPTOR Idtr;
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AsmReadIdtr (&Idtr);
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return (LOADER_GLOBAL_DATA *) (* (UINTN *) (Idtr.Base - sizeof (UINTN)));
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}
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