mirror of https://github.com/acidanthera/audk.git
moved the PeiPalCallLib from ItaniumFamilyCpuPkg to MdePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4102 6f19259b-4bc3-4df7-8a09-765794883524
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/** @file
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PAL Call Services Function.
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Copyright (c) 2006 - 2007 Intel Corporation. All rights reserved
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This software and associated documentation (if any) is furnished
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under a license and may only be used or copied in accordance
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with the terms of the license. Except as permitted by such
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license, no part of this software or documentation may be
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reproduced, stored in a retrieval system, or transmitted in any
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form or by any means without the express written consent of
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Intel Corporation.
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Module Name: PalCallLib.c
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**/
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#include <PiPei.h>
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#include <ItaniumFamilyCpuPeim.h>
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#include <Ppi/SecPlatformInformation.h>
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#include <Library/PalCallLib.h>
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#include <Library/PeiServicesTablePointerLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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/**
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Makes a PAL procedure call.
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This is a wrapper function to make a PAL procedure call. Based on the Index value,
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this API will make static or stacked PAL call. Architected procedures may be designated
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as required or optional. If a PAL procedure is specified as optional, a unique return
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code of 0xFFFFFFFFFFFFFFFF is returned in the Status field of the PAL_CALL_RETURN structure.
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This indicates that the procedure is not present in this PAL implementation. It is the
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caller¡¯s responsibility to check for this return code after calling any optional PAL
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procedure. No parameter checking is performed on the 4 input parameters, but there are
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some common rules that the caller should follow when making a PAL call. Any address
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passed to PAL as buffers for return parameters must be 8-byte aligned. Unaligned addresses
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may cause undefined results. For those parameters defined as reserved or some fields
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defined as reserved must be zero filled or the invalid argument return value may be
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returned or undefined result may occur during the execution of the procedure.
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This function is only available on IPF.
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@param Index - The PAL procedure Index number.
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@param Arg2 - The 2nd parameter for PAL procedure calls.
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@param Arg3 - The 3rd parameter for PAL procedure calls.
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@param Arg4 - The 4th parameter for PAL procedure calls.
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@return structure returned from the PAL Call procedure, including the status and return value.
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**/
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PAL_CALL_RETURN
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EFIAPI
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PalCall (
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IN UINT64 Index,
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IN UINT64 Arg2,
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IN UINT64 Arg3,
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IN UINT64 Arg4
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)
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{
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UINT64 PalCallAddress;
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PAL_CALL_RETURN ReturnVal;
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EFI_PEI_SERVICES **PeiServices;
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EFI_STATUS Status;
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EFI_SEC_PLATFORM_INFORMATION_PPI *SecPlatformPpi;
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IPF_HANDOFF_STATUS IpfStatus;
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UINT64 RecordSize;
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//
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// Get Pei Service Table Pointer
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//
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PeiServices = GetPeiServicesTablePointer ();
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//
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// Locate SEC Ppi
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//
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Status = PeiServicesLocatePpi (
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&gEfiSecPlatformInformationPpiGuid,
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0,
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NULL,
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(VOID **)&SecPlatformPpi
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);
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ASSERT_EFI_ERROR (Status);
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RecordSize = sizeof (IpfStatus);
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SecPlatformPpi->PlatformInformation (
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PeiServices,
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&RecordSize,
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(EFI_SEC_PLATFORM_INFORMATION_RECORD *) &IpfStatus
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);
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PalCallAddress = IpfStatus.PalCallAddress;
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ReturnVal = AsmPalCall (PalCallAddress, Index, Arg2, Arg3, Arg4);
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return ReturnVal;
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}
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#/** @file
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# Component description file for Pei PAL call Library
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#
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# PAL Call Library implementation to wrap the PAL call in PEI.
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# Copyright (c) 2006, Intel Corporation
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#
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# All rights reserved.
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# This software and associated documentation (if any) is furnished
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# under a license and may only be used or copied in accordance
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# with the terms of the license. Except as permitted by such
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# license, no part of this software or documentation may be
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# reproduced, stored in a retrieval system, or transmitted in any
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# form or by any means without the express written consent of
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# Intel Corporation.
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#
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#
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#**/
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = PeiPalCallLib
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FILE_GUID = B53DC524-6B98-4584-940B-8F1363DEF09E
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MODULE_TYPE = PEIM
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VERSION_STRING = 1.0
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LIBRARY_CLASS = PalCallLib
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EDK_RELEASE_VERSION = 0x00020000
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EFI_SPECIFICATION_VERSION = 0x00020000
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IPF
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#
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[Sources.common]
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PalCallLib.c
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[Packages]
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MdePkg/MdePkg.dec
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[LibraryClasses]
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BaseLib
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PeiServicesLib
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PeiServicesTablePointerLib
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[Ppis]
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gEfiSecPlatformInformationPpiGuid # PPI ALWAYS_CONSUMED
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<?xml version="1.0" encoding="UTF-8"?>
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<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<MsaHeader>
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<ModuleName>PeiPalCallLib</ModuleName>
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<ModuleType>PEIM</ModuleType>
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<GuidValue>B53DC524-6B98-4584-940B-8F1363DEF09E</GuidValue>
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<Version>1.0</Version>
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<Abstract>Component description file for Pei PAL call Library</Abstract>
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<Description>PAL Call Library implementation to wrap the PAL call in PEI.</Description>
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<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
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<License>All rights reserved.
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This software and associated documentation (if any) is furnished
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under a license and may only be used or copied in accordance
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with the terms of the license. Except as permitted by such
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license, no part of this software or documentation may be
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reproduced, stored in a retrieval system, or transmitted in any
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form or by any means without the express written consent of
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Intel Corporation.</License>
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<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
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</MsaHeader>
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<ModuleDefinitions>
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<SupportedArchitectures>IPF</SupportedArchitectures>
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<BinaryModule>false</BinaryModule>
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<OutputFileBasename>PeiPalCallLib</OutputFileBasename>
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</ModuleDefinitions>
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<LibraryClassDefinitions>
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<LibraryClass Usage="ALWAYS_PRODUCED">
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<Keyword>PalCallLib</Keyword>
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</LibraryClass>
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<LibraryClass Usage="ALWAYS_CONSUMED">
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<Keyword>PeiServicesTablePointerLib</Keyword>
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</LibraryClass>
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<LibraryClass Usage="ALWAYS_CONSUMED">
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<Keyword>PeiServicesLib</Keyword>
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</LibraryClass>
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<LibraryClass Usage="ALWAYS_CONSUMED">
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<Keyword>BaseLib</Keyword>
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</LibraryClass>
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</LibraryClassDefinitions>
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<SourceFiles>
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<Filename>PalCallLib.c</Filename>
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</SourceFiles>
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<PackageDependencies>
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<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
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<Package PackageGuid="2604113b-55bb-4337-abf6-24803b0ef369"/>
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</PackageDependencies>
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<PPIs>
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<Ppi Usage="ALWAYS_CONSUMED">
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<PpiCName>gEfiSecPlatformInformationPpiGuid</PpiCName>
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</Ppi>
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</PPIs>
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<Externs>
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<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
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<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
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</Externs>
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</ModuleSurfaceArea>
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