mirror of https://github.com/acidanthera/audk.git
109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
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/*++
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Copyright 2007, Intel Corporation
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All rights reserved. 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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Module Name:
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PeiServicePointer.c
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Abstract:
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--*/
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#include "Tiano.h"
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#include "PeiApi.h"
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#include "PeiLib.h"
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#if (PI_SPECIFICATION_VERSION >= 0x00010000)
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VOID
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SetPeiServicesTablePointer (
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IN EFI_PEI_SERVICES **PeiServices
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)
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/*++
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Routine Description:
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Save PeiService pointer so that it can be retrieved anywhere.
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Arguments:
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PeiServices - The direct pointer to PeiServiceTable.
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PhyscialAddress - The physcial address of variable PeiServices.
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Returns:
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NONE
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--*/
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{
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//
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// For Itanium Processor Family processors, the EFI_PEI_SERVICES**
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// is stored in kernel register7.
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//
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AsmWriteKr7((UINT64)(UINTN)PeiServices);
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}
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EFI_PEI_SERVICES **
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GetPeiServicesTablePointer (
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VOID
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)
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/*++
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Routine Description:
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Get PeiService pointer.
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Arguments:
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NONE.
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Returns:
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The direct pointer to PeiServiceTable.
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--*/
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{
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//
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// For Itanium Processor Family processors, the EFI_PEI_SERVICES**
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// is stored in kernel register7.
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//
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return (EFI_PEI_SERVICES **)(UINTN)AsmReadKr7();
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}
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VOID
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MigrateIdtTable (
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IN EFI_PEI_SERVICES **PeiServices
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)
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/*++
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Routine Description:
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Migrate IDT from CAR to real memory where preceded with 4 bytes for
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storing PeiService pointer.
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Arguments:
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PeiServices - The direct pointer to PeiServiceTable.
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Returns:
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NONE.
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--*/
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{
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return;
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}
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#endif
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