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215 lines
10 KiB
C
215 lines
10 KiB
C
/** @file
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Definition of Extended SAL Boot Service Protocol
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The Extended SAL Boot Service Protocol provides a mechanisms for platform specific
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drivers to update the SAL System Table and register Extended SAL Procedures that are
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callable in physical or virtual mode using the SAL calling convention.
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Copyright (c) 2009, 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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**/
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#ifndef _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL_H_
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#define _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL_H_
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#include <IndustryStandard/Sal.h>
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#define EXTENDED_SAL_BOOT_SERVICE_PROTOCOL_GUID \
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{ 0xde0ee9a4, 0x3c7a, 0x44f2, {0xb7, 0x8b, 0xe3, 0xcc, 0xd6, 0x9c, 0x3a, 0xf7 } }
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typedef struct _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL EXTENDED_SAL_BOOT_SERVICE_PROTOCOL;
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/**
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Adds platform specific information to the to the header of the SAL System Table.
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@param This A pointer to the EXTENDED_SAL_BOOT_SERVICE_PROTOCOL instance.
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@param SalAVersion Version of recovery SAL PEIM(s) in BCD format. Higher byte contains
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the major revision and the lower byte contains the minor revision.
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@param SalBVersion Version of DXE SAL Driver in BCD format. Higher byte contains
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the major revision and the lower byte contains the minor revision.
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@param OemId A pointer to a Null-terminated ASCII string that contains OEM unique string.
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The string cannot be longer than 32 bytes in total length
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@param ProductId A pointer to a Null-terminated ASCII string that uniquely identifies a family of
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compatible products. The string cannot be longer than 32 bytes in total length.
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@retval EFI_SUCCESS The SAL System Table header was updated successfully.
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@retval EFI_INVALID_PARAMETER OemId is NULL.
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@retval EFI_INVALID_PARAMETER ProductId is NULL.
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@retval EFI_INVALID_PARAMETER The length of OemId is greater than 32 characters.
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@retval EFI_INVALID_PARAMETER The length of ProductId is greater than 32 characters.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EXTENDED_SAL_ADD_SST_INFO) (
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IN EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *This,
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IN UINT16 SalAVersion,
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IN UINT16 SalBVersion,
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IN CHAR8 *OemId,
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IN CHAR8 *ProductId
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);
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/**
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Adds an entry to the SAL System Table.
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This function adds the SAL System Table Entry specified by TableEntry and EntrySize
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to the SAL System Table.
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@param This A pointer to the EXTENDED_SAL_BOOT_SERVICE_PROTOCOL instance.
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@param TableEntry Pointer to a buffer containing a SAL System Table entry that is EntrySize bytes
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in length. The first byte of the TableEntry describes the type of entry.
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@param EntrySize The size, in bytes, of TableEntry.
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@retval EFI_SUCCESSThe SAL System Table was updated successfully.
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@retval EFI_INVALID_PARAMETER TableEntry is NULL.
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@retval EFI_INVALID_PARAMETER TableEntry specifies an invalid entry type.
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@retval EFI_INVALID_PARAMETER EntrySize is not valid for this type of entry.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EXTENDED_SAL_ADD_SST_ENTRY) (
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IN EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *This,
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IN UINT8 *TableEntry,
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IN UINTN EntrySize
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);
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/**
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Internal ESAL procedures.
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This is prototype of internal Extended SAL procedures, which is registerd by
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EXTENDED_SAL_REGISTER_INTERNAL_PROC service.
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@param FunctionId The Function ID associated with this Extended SAL Procedure.
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@param Arg2 Second argument to the Extended SAL procedure.
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@param Arg3 Third argument to the Extended SAL procedure.
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@param Arg4 Fourth argument to the Extended SAL procedure.
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@param Arg5 Fifth argument to the Extended SAL procedure.
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@param Arg6 Sixth argument to the Extended SAL procedure.
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@param Arg7 Seventh argument to the Extended SAL procedure.
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@param Arg8 Eighth argument to the Extended SAL procedure.
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@param VirtualMode TRUE if the Extended SAL Procedure is being invoked in virtual mode.
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FALSE if the Extended SAL Procedure is being invoked in physical mode.
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@param ModuleGlobal A pointer to the global context associated with this Extended SAL Procedure.
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@return The result returned from the specified Extended SAL Procedure
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**/
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typedef
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SAL_RETURN_REGS
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(EFIAPI *SAL_INTERNAL_EXTENDED_SAL_PROC) (
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IN UINT64 FunctionId,
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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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IN UINT64 Arg5,
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IN UINT64 Arg6,
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IN UINT64 Arg7,
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IN UINT64 Arg8,
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IN BOOLEAN VirtualMode,
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IN VOID *ModuleGlobal OPTIONAL
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);
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/**
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Registers an Extended SAL Procedure.
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The Extended SAL Procedure specified by InternalSalProc and named by ClassGuidLo,
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ClassGuidHi, and FunctionId is added to the set of available Extended SAL Procedures.
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@param This A pointer to the EXTENDED_SAL_BOOT_SERVICE_PROTOCOL instance.
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@param ClassGuidLo The lower 64-bits of the class GUID for the Extended SAL Procedure being added.
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Each class GUID contains one or more functions specified by a Function ID.
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@param ClassGuidHi The upper 64-bits of the class GUID for the Extended SAL Procedure being added.
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Each class GUID contains one or more functions specified by a Function ID.
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@param FunctionId The Function ID for the Extended SAL Procedure that is being added. This Function
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ID is a member of the Extended SAL Procedure class specified by ClassGuidLo
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and ClassGuidHi.
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@param InternalSalProc A pointer to the Extended SAL Procedure being added.
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@param PhysicalModuleGlobal Pointer to a module global structure. This is a physical mode pointer.
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This pointer is passed to the Extended SAL Procedure specified by ClassGuidLo,
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ClassGuidHi, FunctionId, and InternalSalProc. If the system is in physical mode,
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then this pointer is passed unmodified to InternalSalProc. If the system is in
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virtual mode, then the virtual address associated with this pointer is passed to
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InternalSalProc.
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@retval EFI_SUCCESS The Extended SAL Procedure was added.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to add the Extended SAL Procedure.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EXTENDED_SAL_REGISTER_INTERNAL_PROC) (
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IN EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *This,
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IN UINT64 ClassGuidLo,
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IN UINT64 ClassGuidHi,
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IN UINT64 FunctionId,
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IN SAL_INTERNAL_EXTENDED_SAL_PROC InternalSalProc,
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IN VOID *PhysicalModuleGlobal OPTIONAL
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);
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/**
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Calls a previously registered Extended SAL Procedure.
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This function calls the Extended SAL Procedure specified by ClassGuidLo, ClassGuidHi,
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and FunctionId. The set of previously registered Extended SAL Procedures is searched for a
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matching ClassGuidLo, ClassGuidHi, and FunctionId. If a match is not found, then
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EFI_SAL_NOT_IMPLEMENTED is returned.
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@param ClassGuidLo The lower 64-bits of the class GUID for the Extended SAL Procedure
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that is being called.
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@param ClassGuidHi The upper 64-bits of the class GUID for the Extended SAL Procedure
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that is being called.
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@param FunctionId Function ID for the Extended SAL Procedure being called.
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@param Arg2 Second argument to the Extended SAL procedure.
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@param Arg3 Third argument to the Extended SAL procedure.
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@param Arg4 Fourth argument to the Extended SAL procedure.
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@param Arg5 Fifth argument to the Extended SAL procedure.
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@param Arg6 Sixth argument to the Extended SAL procedure.
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@param Arg7 Seventh argument to the Extended SAL procedure.
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@param Arg8 Eighth argument to the Extended SAL procedure.
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@retval EFI_SAL_NOT_IMPLEMENTED The Extended SAL Procedure specified by ClassGuidLo,
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ClassGuidHi, and FunctionId has not been registered.
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@retval EFI_SAL_VIRTUAL_ADDRESS_ERROR This function was called in virtual mode before virtual mappings
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for the specified Extended SAL Procedure are available.
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@retval Other The result returned from the specified Extended SAL Procedure
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**/
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typedef
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SAL_RETURN_REGS
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(EFIAPI *EXTENDED_SAL_PROC) (
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IN UINT64 ClassGuidLo,
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IN UINT64 ClassGuidHi,
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IN UINT64 FunctionId,
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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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IN UINT64 Arg5,
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IN UINT64 Arg6,
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IN UINT64 Arg7,
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IN UINT64 Arg8
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);
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///
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/// The EXTENDED_SAL_BOOT_SERVICE_PROTOCOL provides a mechanisms for platform specific
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/// drivers to update the SAL System Table and register Extended SAL Procedures that are
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/// callable in physical or virtual mode using the SAL calling convention.
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///
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struct _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL {
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EXTENDED_SAL_ADD_SST_INFO AddSalSystemTableInfo;
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EXTENDED_SAL_ADD_SST_ENTRY AddSalSystemTableEntry;
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EXTENDED_SAL_REGISTER_INTERNAL_PROC RegisterExtendedSalProc;
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EXTENDED_SAL_PROC ExtendedSalProc;
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};
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extern EFI_GUID gEfiExtendedSalBootServiceProtocolGuid;
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#endif
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