mirror of
				https://git.proxmox.com/git/mirror_edk2
				synced 2025-11-04 01:03:23 +00:00 
			
		
		
		
	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
		
			
				
	
	
		
			90 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			OpenEdge ABL
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			OpenEdge ABL
		
	
	
	
	
	
//// @file
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//
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// Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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//
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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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//
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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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////
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#define NUM_REAL_GDT_ENTRIES						3
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#define LOW_STACK_SIZE								(8*1024)            // 8k?
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//
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// Low memory Thunk Structure
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//
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#define		Code									0
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#define		LowReverseThunkStart					Code + 4096
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#define		GdtDesc									LowReverseThunkStart + 4
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#define		IdtDesc					 				GdtDesc + 6
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#define		FlatSs					 				IdtDesc + 6
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#define		FlatEsp					 				FlatSs + 4
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#define		LowCodeSelector			 				FlatEsp + 4
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#define		LowDataSelector			 				LowCodeSelector + 4
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#define		LowStack			 					LowDataSelector + 4
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#define		RealModeIdtDesc			 				LowStack + 4
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#define		RealModeGdt								RealModeIdtDesc + 6
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#define		RealModeGdtDesc							RealModeGdt + (8 * NUM_REAL_GDT_ENTRIES)
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#define		RevRealDs								RealModeGdtDesc + 6
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#define		RevRealSs								RevRealDs + 2
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#define		RevRealEsp								RevRealSs + 2
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#define		RevRealIdtDesc							RevRealEsp + 4
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#define		RevFlatDataSelector						RevRealIdtDesc + 6
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#define		RevFlatStack							RevFlatDataSelector + 2
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#define		Stack									RevFlatStack + 4
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#define		RevThunkStack							Stack + LOW_STACK_SIZE
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#define		EfiToLegacy16InitTable					RevThunkStack + LOW_STACK_SIZE
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#define		InitTableBiosLessThan1MB				EfiToLegacy16InitTable
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#define		InitTableHiPmmMemory					InitTableBiosLessThan1MB + 4
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#define		InitTablePmmMemorySizeInBytes			InitTableHiPmmMemory + 4
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#define		InitTableReverseThunkCallSegment		InitTablePmmMemorySizeInBytes + 4
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#define		InitTableReverseThunkCallOffset			InitTableReverseThunkCallSegment + 2
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#define		InitTableNumberE820Entries				InitTableReverseThunkCallOffset + 2
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#define		InitTableOsMemoryAbove1Mb				InitTableNumberE820Entries + 4
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#define		InitTableThunkStart						InitTableOsMemoryAbove1Mb + 4
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#define		InitTableThunkSizeInBytes				InitTableThunkStart + 4
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#define		InitTable16InitTableEnd					InitTableThunkSizeInBytes + 4
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#define		EfiToLegacy16BootTable					InitTable16InitTableEnd
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#define		BootTableBiosLessThan1MB				EfiToLegacy16BootTable
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#define		BootTableHiPmmMemory					BootTableBiosLessThan1MB + 4
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#define		BootTablePmmMemorySizeInBytes			BootTableHiPmmMemory + 4
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#define		BootTableReverseThunkCallSegment		BootTablePmmMemorySizeInBytes + 4
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#define		BootTableReverseThunkCallOffset			BootTableReverseThunkCallSegment + 2
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#define		BootTableNumberE820Entries				BootTableReverseThunkCallOffset + 2
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#define		BootTableOsMemoryAbove1Mb				BootTableNumberE820Entries + 4
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#define		BootTableThunkStart						BootTableOsMemoryAbove1Mb + 4
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#define		BootTableThunkSizeInBytes				BootTableThunkStart + 4
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#define		EfiToLegacy16BootTableEnd				BootTableThunkSizeInBytes + 4
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#define		InterruptRedirectionCode				EfiToLegacy16BootTableEnd
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#define		PciHandler								InterruptRedirectionCode + 32
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//
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// Register Sets (16 Bit)
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//
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#define		AX		0
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#define		BX		2
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#define		CX		4
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#define		DX		6
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#define		SI		8
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#define		DI		10
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#define		Flags	12
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#define		ES		14
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#define		CS		16
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#define		SS		18
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#define		DS		20
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#define		BP		22
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