Initial directory structure of IntelFrameworkPkg.
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IntelFrameworkPkg/Include/Protocol/LegacyBiosPlatform.h
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IntelFrameworkPkg/Include/Protocol/LegacyBiosPlatform.h
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/** @file
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The EFI Legacy BIOS Patform Protocol is used to mate a Legacy16
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implementation with this EFI code. The EFI driver that produces
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the Legacy BIOS protocol is generic and consumes this protocol.
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A driver that matches the Legacy16 produces this protocol
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Copyright (c) 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: LegacyBiosPlatform.h
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@par Revision Reference:
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This protocol is defined in Framework for EFI Compatibility Support Module spec
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Version 0.96
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**/
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#ifndef _EFI_LEGACY_BIOS_PLATFORM_H_
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#define _EFI_LEGACY_BIOS_PLATFORM_H_
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#define EFI_LEGACY_BIOS_PLATFORM_PROTOCOL_GUID \
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{ \
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0x783658a3, 0x4172, 0x4421, {0xa2, 0x99, 0xe0, 0x9, 0x7, 0x9c, 0xc, 0xb4 } \
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}
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typedef struct _EFI_LEGACY_BIOS_PLATFORM_PROTOCOL EFI_LEGACY_BIOS_PLATFORM_PROTOCOL;
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typedef enum {
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EfiGetPlatformBinaryMpTable = 0,
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EfiGetPlatformBinaryOemIntData = 1,
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EfiGetPlatformBinaryOem16Data = 2,
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EfiGetPlatformBinaryOem32Data = 3,
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EfiGetPlatformBinaryTpmBinary = 4,
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EfiGetPlatformBinarySystemRom = 5,
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EfiGetPlatformPciExpressBase = 6,
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EfiGetPlatformPmmSize = 7,
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EfiGetPlatformEndOpromShadowAddr = 8,
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} EFI_GET_PLATFORM_INFO_MODE;
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typedef enum {
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EfiGetPlatformVgaHandle = 0,
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EfiGetPlatformIdeHandle = 1,
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EfiGetPlatformIsaBusHandle = 2,
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EfiGetPlatformUsbHandle = 3
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} EFI_GET_PLATFORM_HANDLE_MODE;
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typedef enum {
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EfiPlatformHookPrepareToScanRom = 0,
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EfiPlatformHookShadowServiceRoms= 1,
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EfiPlatformHookAfterRomInit = 2
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} EFI_GET_PLATFORM_HOOK_MODE;
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/**
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Finds the binary data or other platform information.
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@param This Protocol instance pointer.
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@param Mode Specifies what data to return
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@param Table Pointer to MP table.
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@param TableSize Size in bytes of table.
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@param Location Legacy region requested
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0x00 = Any location
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Bit 0 = 0xF0000 region
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Bit 1 = 0xE0000 region
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Multiple bits can be set
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@param Alignment Address alignment for allocation.
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Bit mapped. First non-zero bit from right
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is alignment.
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@param LegacySegment Segment in LegacyBios where Table is stored
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@param LegacyOffset Offset in LegacyBios where Table is stored
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@retval EFI_SUCCESS Data was returned successfully.
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@retval EFI_UNSUPPORTED Mode is not supported on the platform.
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@retval EFI_NOT_FOUND Binary image or table not found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_INFO) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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IN EFI_GET_PLATFORM_INFO_MODE Mode,
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OUT VOID **Table,
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OUT UINTN *TableSize,
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OUT UINTN *Location,
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OUT UINTN *Alignment,
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IN UINT16 LegacySegment,
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IN UINT16 LegacyOffset
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);
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/**
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Returns a buffer of handles for the requested sub-function.
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@param This Protocol instance pointer.
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@param Mode Specifies what handle to return.
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@param Type Type from Device Path for Handle to represent.
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@param HandleBuffer Handles of the device/controller in priority order
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with HandleBuffer[0] highest priority.
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@param HandleCount Number of handles in the buffer.
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@param AdditionalData Mode specific.
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@retval EFI_SUCCESS Handle is valid
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@retval EFI_UNSUPPORTED Mode is not supported on the platform.
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@retval EFI_NOT_FOUND Handle is not known
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_HANDLE) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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IN EFI_GET_PLATFORM_HANDLE_MODE Mode,
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IN UINT16 Type,
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OUT EFI_HANDLE **HandleBuffer,
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OUT UINTN *HandleCount,
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IN VOID **AdditionalData OPTIONAL
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);
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/**
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Load and initialize the Legacy BIOS SMM handler.
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@param This Protocol instance pointer.
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@param EfiToLegacy16BootTable Pointer to Legacy16 boot table.
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@retval EFI_SUCCESS SMM code loaded.
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@retval EFI_DEVICE_ERROR SMM code failed to load
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_SMM_INIT) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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IN VOID *EfiToLegacy16BootTable
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);
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/**
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Allows platform to perform any required action after a LegacyBios operation.
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@param This Protocol instance pointer.
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@param Mode Specifies what handle to return.
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@param Type Mode specific.
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@param DeviceHandle List of PCI devices in the system.
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@param ShadowAddress First free OpROM area, after other OpROMs have been dispatched.
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@param Compatibility16Table Pointer to Compatibility16Table.
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@param AdditionalData Mode specific Pointer to additional data returned - mode specific.
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@retval EFI_SUCCESS RomImage is valid
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@retval EFI_UNSUPPORTED Mode is not supported on the platform.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_HOOKS) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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IN EFI_GET_PLATFORM_HOOK_MODE Mode,
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IN UINT16 Type,
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IN EFI_HANDLE DeviceHandle,
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IN OUT UINTN *ShadowAddress,
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IN EFI_COMPATIBILITY16_TABLE *Compatibility16Table,
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IN VOID **AdditionalData OPTIONAL
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);
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/**
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Returns information associated with PCI IRQ routing.
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@param This Protocol instance pointer.
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@param RoutingTable Pointer to PCI IRQ Routing table.
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@param RoutingTableEntries Number of entries in table.
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@param LocalPirqTable $PIR table
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@param PirqTableSize $PIR table size
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@param LocalIrqPriorityTable List of interrupts in priority order to assign
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@param IrqPriorityTableEntries Number of entries in priority table
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@retval EFI_SUCCESS Data was successfully returned.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_GET_ROUTING_TABLE) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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OUT VOID **RoutingTable,
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OUT UINTN *RoutingTableEntries,
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OUT VOID **LocalPirqTable, OPTIONAL
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OUT UINTN *PirqTableSize, OPTIONAL
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OUT VOID **LocalIrqPriorityTable, OPTIONAL
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OUT UINTN *IrqPriorityTableEntries OPTIONAL
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);
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/**
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Translates the given PIRQ accounting for bridge
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@param This Protocol instance pointer.
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@param PciBus PCI bus number for this device.
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@param PciDevice PCI device number for this device.
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@param PciFunction PCI function number for this device.
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@param Pirq Input is PIRQ reported by device, output is true PIRQ.
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@param PciIrq The IRQ already assigned to the PIRQ or the IRQ to be
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assigned to the PIRQ.
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@retval EFI_SUCCESS The PIRQ was translated.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_TRANSLATE_PIRQ) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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IN UINTN PciBus,
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IN UINTN PciDevice,
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IN UINTN PciFunction,
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IN OUT UINT8 *Pirq,
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OUT UINT8 *PciIrq
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);
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/**
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Attempt to legacy boot the BootOption. If the EFI contexted has been
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compromised this function will not return.
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@param This Protocol instance pointer.
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@param BbsDevicePath EFI Device Path from BootXXXX variable.
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@param BbsTable Internal BBS table.
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@param LoadOptionSize Size of LoadOption in size.
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@param LoadOption LoadOption from BootXXXX variable
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@param EfiToLegacy16BootTable Pointer to BootTable structure
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@retval EFI_SUCCESS Ready to boot.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_PREPARE_TO_BOOT) (
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IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
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IN BBS_BBS_DEVICE_PATH *BbsDevicePath,
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IN VOID *BbsTable,
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IN UINT32 LoadOptionsSize,
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IN VOID *LoadOptions,
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IN VOID *EfiToLegacy16BootTable
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);
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/**
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@par Protocol Description:
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Abstracts the platform portion of the traditional BIOS.
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@param GetPlatformInfo
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Gets binary data or other platform information.
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@param GetPlatformHandle
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Returns a buffer of all handles matching the requested subfunction.
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@param SmmInit
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Loads and initializes the traditional BIOS SMM handler.
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@param PlatformHooks
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Allows platform to perform any required actions after a LegacyBios operation.
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@param GetRoutingTable
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Gets $PIR table.
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@param TranslatePirq
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Translates the given PIRQ to the final value after traversing any PCI bridges.
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@param PrepareToBoot
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Final platform function before the system attempts to boot to a traditional OS.
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**/
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struct _EFI_LEGACY_BIOS_PLATFORM_PROTOCOL {
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EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_INFO GetPlatformInfo;
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EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_HANDLE GetPlatformHandle;
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EFI_LEGACY_BIOS_PLATFORM_SMM_INIT SmmInit;
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EFI_LEGACY_BIOS_PLATFORM_HOOKS PlatformHooks;
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EFI_LEGACY_BIOS_PLATFORM_GET_ROUTING_TABLE GetRoutingTable;
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EFI_LEGACY_BIOS_PLATFORM_TRANSLATE_PIRQ TranslatePirq;
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EFI_LEGACY_BIOS_PLATFORM_PREPARE_TO_BOOT PrepareToBoot;
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};
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extern EFI_GUID gEfiLegacyBiosPlatformProtocolGuid;
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#endif
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