mirror of
https://github.com/reactos/reactos.git
synced 2024-11-06 22:52:46 +00:00
139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/*
|
|
* COPYRIGHT: GPL - See COPYING in the top level directory
|
|
* PROJECT: ReactOS Virtual DOS Machine
|
|
* FILE: x86context.h
|
|
* PURPOSE: x86 CPU Context Frame definitions
|
|
* PROGRAMMERS: Hermes Belusca-Maito (hermes.belusca@sfr.fr)
|
|
*
|
|
* NOTE: Taken from the PSDK.
|
|
*/
|
|
|
|
#ifndef __X86CONTEXT_H__
|
|
#define __X86CONTEXT_H__
|
|
|
|
#pragma once
|
|
|
|
/* Clean everything that may have been defined before */
|
|
#undef SIZE_OF_80387_REGISTERS
|
|
#undef MAXIMUM_SUPPORTED_EXTENSION
|
|
#undef CONTEXT_i386
|
|
#undef CONTEXT_i486
|
|
#undef CONTEXT_CONTROL
|
|
#undef CONTEXT_INTEGER
|
|
#undef CONTEXT_SEGMENTS
|
|
#undef CONTEXT_FLOATING_POINT
|
|
#undef CONTEXT_DEBUG_REGISTERS
|
|
#undef CONTEXT_EXTENDED_REGISTERS
|
|
#undef CONTEXT_FULL
|
|
#undef CONTEXT_ALL
|
|
#undef CONTEXT_DEBUGGER
|
|
#undef CONTEXT_XSTATE
|
|
|
|
|
|
|
|
#define SIZE_OF_80387_REGISTERS 80
|
|
#define MAXIMUM_SUPPORTED_EXTENSION 512
|
|
|
|
#define CONTEXT_i386 0x00010000
|
|
#define CONTEXT_i486 0x00010000
|
|
|
|
#define CONTEXT_CONTROL (CONTEXT_i386|0x00000001L) // SS:SP, CS:IP, FLAGS, BP
|
|
#define CONTEXT_INTEGER (CONTEXT_i386|0x00000002L) // AX, BX, CX, DX, SI, DI
|
|
#define CONTEXT_SEGMENTS (CONTEXT_i386|0x00000004L) // DS, ES, FS, GS
|
|
#define CONTEXT_FLOATING_POINT (CONTEXT_i386|0x00000008L) // 387 state
|
|
#define CONTEXT_DEBUG_REGISTERS (CONTEXT_i386|0x00000010L) // DB 0-3,6,7
|
|
#define CONTEXT_EXTENDED_REGISTERS (CONTEXT_i386|0x00000020L) // CPU-specific extensions
|
|
|
|
#define CONTEXT_FULL (CONTEXT_CONTROL|CONTEXT_INTEGER|CONTEXT_SEGMENTS)
|
|
#define CONTEXT_ALL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS | \
|
|
CONTEXT_FLOATING_POINT | CONTEXT_DEBUG_REGISTERS | \
|
|
CONTEXT_EXTENDED_REGISTERS)
|
|
|
|
#define CONTEXT_DEBUGGER (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
|
|
#define CONTEXT_XSTATE (CONTEXT_i386 | 0x00000040L)
|
|
|
|
|
|
typedef struct _X87FLOATING_SAVE_AREA
|
|
{
|
|
ULONG ControlWord;
|
|
ULONG StatusWord;
|
|
ULONG TagWord;
|
|
ULONG ErrorOffset;
|
|
ULONG ErrorSelector;
|
|
ULONG DataOffset;
|
|
ULONG DataSelector;
|
|
UCHAR RegisterArea[SIZE_OF_80387_REGISTERS];
|
|
ULONG Cr0NpxState;
|
|
} X87FLOATING_SAVE_AREA, *PX87FLOATING_SAVE_AREA;
|
|
|
|
#include "pshpack4.h"
|
|
/*
|
|
* x86 CPU Context Frame
|
|
*/
|
|
typedef struct _X86CONTEXT
|
|
{
|
|
/*
|
|
* The flags values within this flag control the contents of
|
|
* a CONTEXT record.
|
|
*/
|
|
ULONG ContextFlags;
|
|
|
|
/*
|
|
* Section specified/returned if CONTEXT_DEBUG_REGISTERS
|
|
* is set in ContextFlags.
|
|
*/
|
|
ULONG Dr0;
|
|
ULONG Dr1;
|
|
ULONG Dr2;
|
|
ULONG Dr3;
|
|
ULONG Dr6;
|
|
ULONG Dr7;
|
|
|
|
/*
|
|
* Section specified/returned if CONTEXT_FLOATING_POINT
|
|
* is set in ContextFlags.
|
|
*/
|
|
X87FLOATING_SAVE_AREA FloatSave;
|
|
|
|
/*
|
|
* Section specified/returned if CONTEXT_SEGMENTS
|
|
* is set in ContextFlags.
|
|
*/
|
|
ULONG SegGs;
|
|
ULONG SegFs;
|
|
ULONG SegEs;
|
|
ULONG SegDs;
|
|
|
|
/*
|
|
* Section specified/returned if CONTEXT_INTEGER
|
|
* is set in ContextFlags.
|
|
*/
|
|
ULONG Edi;
|
|
ULONG Esi;
|
|
ULONG Ebx;
|
|
ULONG Edx;
|
|
ULONG Ecx;
|
|
ULONG Eax;
|
|
|
|
/*
|
|
* Section specified/returned if CONTEXT_CONTROL
|
|
* is set in ContextFlags.
|
|
*/
|
|
ULONG Ebp;
|
|
ULONG Eip;
|
|
ULONG SegCs;
|
|
ULONG EFlags;
|
|
ULONG Esp;
|
|
ULONG SegSs;
|
|
|
|
/*
|
|
* Section specified/returned if CONTEXT_EXTENDED_REGISTERS
|
|
* is set in ContextFlags. The format and contexts are processor specific.
|
|
*/
|
|
UCHAR ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];
|
|
} X86CONTEXT;
|
|
#include "poppack.h"
|
|
|
|
#endif // __X86CONTEXT_H__
|
|
|
|
/* EOF */
|