bcecde140a
Added these drivers: * LegacyBiosDxe * BlockIoDxe * KeyboardDxe * Snp16Dxe * VideoDxe Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: geekboy15a git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11905 6f19259b-4bc3-4df7-8a09-765794883524
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/** @file
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Copyright (c) 2007 - 2010, 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
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of the BSD License which accompanies this distribution. The
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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 _IPF_THUNK_H_
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#define _IPF_THUNK_H_
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#include "LegacyBiosInterface.h"
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#include <IndustryStandard/Sal.h>
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/**
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Template of real mode code.
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@param CodeStart Start address of code.
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@param CodeEnd End address of code
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@param ReverseThunkStart Start of reverse thunk.
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@param IntThunk Low memory thunk.
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**/
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VOID
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RealModeTemplate (
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OUT UINTN *CodeStart,
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OUT UINTN *CodeEnd,
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OUT UINTN *ReverseThunkStart,
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LOW_MEMORY_THUNK *IntThunk
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);
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/**
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Register physical address of Esal Data Area
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@param ReverseThunkCodeAddress Reverse Thunk Address
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@param IntThunkAddress IntThunk Address
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@retval EFI_SUCCESS ESAL data area set successfully.
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**/
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EFI_STATUS
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EsalSetSalDataArea (
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IN UINTN ReverseThunkCodeAddress,
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IN UINTN IntThunkAddress
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);
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/**
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Get address of reverse thunk.
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@retval EFI_SAL_SUCCESS Address of reverse thunk returned successfully.
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**/
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SAL_RETURN_REGS
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EsalGetReverseThunkAddress (
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VOID
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);
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typedef struct {
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UINT32 Eax; // 0
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UINT32 Ecx; // 4
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UINT32 Edx; // 8
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UINT32 Ebx; // 12
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UINT32 Esp; // 16
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UINT32 Ebp; // 20
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UINT32 Esi; // 24
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UINT32 Edi; // 28
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UINT32 Eflag; // 32
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UINT32 Eip; // 36
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UINT16 Cs; // 40
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UINT16 Ds; // 42
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UINT16 Es; // 44
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UINT16 Fs; // 46
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UINT16 Gs; // 48
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UINT16 Ss; // 50
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} IPF_DWORD_REGS;
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/**
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Entrypoint of IA32 code.
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@param CallTypeData Data of call type
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@param DwordRegister Register set of IA32 general registers
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and segment registers
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@param StackPointer Stack pointer.
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@param StackSize Size of stack.
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**/
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VOID
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EfiIaEntryPoint (
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UINT64 CallTypeData,
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IPF_DWORD_REGS *DwordRegister,
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UINT64 StackPointer,
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UINT64 StackSize
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);
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#endif
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