| 1 | /* $Id: x86context.h 2981 2007-06-01 16:01:28Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VMM - Context switcher macros & definitions
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 innotek GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 | #ifndef __X86CONTEXT_H__
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| 23 | #define __X86CONTEXT_H__
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| 24 |
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| 25 | #include <VBox/types.h>
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| 26 |
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| 27 | // Selector types (memory/system)
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| 28 | #define X86_SELTYPE_MEM_READONLY 0
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| 29 | #define X86_SELTYPE_MEM_READONLY_ACC 1
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| 30 | #define X86_SELTYPE_MEM_READWRITE 2
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| 31 | #define X86_SELTYPE_MEM_READWRITE_ACC 3
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| 32 | #define X86_SELTYPE_MEM_READONLY_EXPDOWN 4
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| 33 | #define X86_SELTYPE_MEM_READONLY_EXPDOWN_ACC 5
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| 34 | #define X86_SELTYPE_MEM_READWRITE_EXPDOWN 6
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| 35 | #define X86_SELTYPE_MEM_READWRITE_EXPDOWN_ACC 7
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| 36 | #define X86_SELTYPE_MEM_EXECUTEONLY 8
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| 37 | #define X86_SELTYPE_MEM_EXECUTEONLY_ACC 9
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| 38 | #define X86_SELTYPE_MEM_EXECUTEREAD 0xA
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| 39 | #define X86_SELTYPE_MEM_EXECUTEREAD_ACC 0xB
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| 40 | #define X86_SELTYPE_MEM_EXECUTEONLY_CONF 0xC
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| 41 | #define X86_SELTYPE_MEM_EXECUTEONLY_CONF_ACC 0xD
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| 42 | #define X86_SELTYPE_MEM_EXECUTEREAD_CONF 0xE
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| 43 | #define X86_SELTYPE_MEM_EXECUTEREAD_CONF_ACC 0xF
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| 44 |
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| 45 | #define X86_SELTYPE_SYS_UNDEFINED 0
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| 46 | #define X86_SELTYPE_SYS_286_TSS_AVAIL 1
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| 47 | #define X86_SELTYPE_SYS_LDT 2
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| 48 | #define X86_SELTYPE_SYS_286_TSS_BUSY 3
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| 49 | #define X86_SELTYPE_SYS_286_CALL_GATE 4
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| 50 | #define X86_SELTYPE_SYS_TASK_GATE 5
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| 51 | #define X86_SELTYPE_SYS_286_INT_GATE 6
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| 52 | #define X86_SELTYPE_SYS_286_TRAP_GATE 7
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| 53 | #define X86_SELTYPE_SYS_UNDEFINED2 8
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| 54 | #define X86_SELTYPE_SYS_386_TSS_AVAIL 9
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| 55 | #define X86_SELTYPE_SYS_UNDEFINED3 0xA
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| 56 | #define X86_SELTYPE_SYS_386_TSS_BUSY 0xB
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| 57 | #define X86_SELTYPE_SYS_386_CALL_GATE 0xC
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| 58 | #define X86_SELTYPE_SYS_UNDEFINED4 0xD
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| 59 | #define X86_SELTYPE_SYS_386_INT_GATE 0xE
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| 60 | #define X86_SELTYPE_SYS_386_TRAP_GATE 0xF
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| 61 |
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| 62 |
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| 63 | #endif //__X86CONTEXT_H__
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