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reactos/include/reactos/libs/soft386/soft386.h
Aleksandar Andrejevic aef0bf1635 [SOFT386] 
Implement an API for external segment modification.
[NTVDM]
Implement EmulatorSetRegister for NEW_EMULATOR.


svn path=/branches/ntvdm/; revision=60591
2013-10-09 21:48:52 +00:00

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/*
* Soft386 386/486 CPU Emulation Library
* soft386.h
*
* Copyright (C) 2013 Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _SOFT386_H_
#define _SOFT386_H_
/* DEFINES ********************************************************************/
#define SOFT386_NUM_GEN_REGS 8
#define SOFT386_NUM_SEG_REGS 6
#define SOFT386_NUM_CTRL_REGS 8
#define SOFT386_NUM_DBG_REGS 8
#define SOFT386_CR0_PE (1 << 0)
#define SOFT386_CR0_MP (1 << 1)
#define SOFT386_CR0_EM (1 << 2)
#define SOFT386_CR0_TS (1 << 3)
#define SOFT386_CR0_ET (1 << 4)
#define SOFT386_CR0_NE (1 << 5)
#define SOFT386_CR0_WP (1 << 16)
#define SOFT386_CR0_AM (1 << 18)
#define SOFT386_CR0_NW (1 << 29)
#define SOFT386_CR0_CD (1 << 30)
#define SOFT386_CR0_PG (1 << 31)
#define SOFT386_IDT_TASK_GATE 0x5
#define SOFT386_IDT_INT_GATE 0x6
#define SOFT386_IDT_TRAP_GATE 0x7
#define SOFT386_IDT_INT_GATE_32 0xE
#define SOFT386_IDT_TRAP_GATE_32 0xF
#define SOFT386_PREFIX_SEG (1 << 0)
#define SOFT386_PREFIX_OPSIZE (1 << 1)
#define SOFT386_PREFIX_ADSIZE (1 << 2)
#define SOFT386_PREFIX_LOCK (1 << 3)
#define SOFT386_PREFIX_REPNZ (1 << 4)
#define SOFT386_PREFIX_REP (1 << 5)
struct _SOFT386_STATE;
typedef struct _SOFT386_STATE SOFT386_STATE, *PSOFT386_STATE;
typedef enum _SOFT386_GEN_REGS
{
SOFT386_REG_EAX,
SOFT386_REG_ECX,
SOFT386_REG_EDX,
SOFT386_REG_EBX,
SOFT386_REG_ESP,
SOFT386_REG_EBP,
SOFT386_REG_ESI,
SOFT386_REG_EDI
} SOFT386_GEN_REGS, *PSOFT386_GEN_REGS;
typedef enum _SOFT386_SEG_REGS
{
SOFT386_REG_ES,
SOFT386_REG_CS,
SOFT386_REG_SS,
SOFT386_REG_DS,
SOFT386_REG_FS,
SOFT386_REG_GS
} SOFT386_SEG_REGS, *PSOFT386_SEG_REGS;
typedef enum _SOFT386_CTRL_REGS
{
SOFT386_REG_CR0,
SOFT386_REG_CR1,
SOFT386_REG_CR2,
SOFT386_REG_CR3,
SOFT386_REG_CR4,
SOFT386_REG_CR5,
SOFT386_REG_CR6,
SOFT386_REG_CR7
} SOFT386_CTRL_REGS, *PSOFT386_CTRL_REGS;
typedef enum _SOFT386_DBG_REGS
{
SOFT386_REG_DR0,
SOFT386_REG_DR1,
SOFT386_REG_DR2,
SOFT386_REG_DR3,
SOFT386_REG_DR4,
SOFT386_REG_DR5,
SOFT386_REG_DR6,
SOFT386_REG_DR7
} SOFT386_DBG_REGS, *PSOFT386_DBG_REGS;
typedef enum _SOFT386_EXCEPTIONS
{
SOFT386_EXCEPTION_DE = 0x00,
SOFT386_EXCEPTION_DB = 0x01,
SOFT386_EXCEPTION_BP = 0x03,
SOFT386_EXCEPTION_OF = 0x04,
SOFT386_EXCEPTION_BR = 0x05,
SOFT386_EXCEPTION_UD = 0x06,
SOFT386_EXCEPTION_NM = 0x07,
SOFT386_EXCEPTION_DF = 0x08,
SOFT386_EXCEPTION_TS = 0x0A,
SOFT386_EXCEPTION_NP = 0x0B,
SOFT386_EXCEPTION_SS = 0x0C,
SOFT386_EXCEPTION_GP = 0x0D,
SOFT386_EXCEPTION_PF = 0x0E,
SOFT386_EXCEPTION_MF = 0x10,
SOFT386_EXCEPTION_AC = 0x11,
SOFT386_EXCEPTION_MC = 0x12
} SOFT386_EXCEPTIONS, *PSOFT386_EXCEPTIONS;
typedef
BOOLEAN
(NTAPI *SOFT386_MEM_READ_PROC)
(
PSOFT386_STATE State,
ULONG Address,
PVOID Buffer,
ULONG Size
);
typedef
BOOLEAN
(NTAPI *SOFT386_MEM_WRITE_PROC)
(
PSOFT386_STATE State,
ULONG Address,
PVOID Buffer,
ULONG Size
);
typedef
VOID
(NTAPI *SOFT386_IO_READ_PROC)
(
PSOFT386_STATE State,
ULONG Port,
PVOID Buffer,
ULONG Size
);
typedef
VOID
(NTAPI *SOFT386_IO_WRITE_PROC)
(
PSOFT386_STATE State,
ULONG Port,
PVOID Buffer,
ULONG Size
);
typedef
VOID
(NTAPI *SOFT386_IDLE_PROC)
(
PSOFT386_STATE State
);
typedef
VOID
(NTAPI *SOFT386_BOP_PROC)
(
PSOFT386_STATE State,
USHORT BopCode
);
typedef union _SOFT386_REG
{
union
{
struct
{
UCHAR LowByte;
UCHAR HighByte;
};
USHORT LowWord;
};
ULONG Long;
} SOFT386_REG, *PSOFT386_REG;
typedef struct _SOFT386_SEG_REG
{
USHORT Selector;
/* Descriptor cache */
ULONG Accessed : 1;
ULONG ReadWrite : 1;
ULONG DirConf : 1;
ULONG Executable : 1;
ULONG SystemType : 1;
ULONG Dpl : 2;
ULONG Present : 1;
ULONG Size : 1;
ULONG Limit;
ULONG Base;
} SOFT386_SEG_REG, *PSOFT386_SEG_REG;
typedef struct
{
ULONG Limit : 16;
ULONG Base : 24;
ULONG Accessed : 1;
ULONG ReadWrite : 1;
ULONG DirConf : 1;
ULONG Executable : 1;
ULONG SystemType : 1;
ULONG Dpl : 2;
ULONG Present : 1;
ULONG LimitHigh : 4;
ULONG Avl : 1;
ULONG Reserved : 1;
ULONG Size : 1;
ULONG Granularity : 1;
ULONG BaseHigh : 8;
} SOFT386_GDT_ENTRY, *PSOFT386_GDT_ENTRY;
typedef struct
{
ULONG Offset : 16;
ULONG Selector : 16;
ULONG Zero : 8;
ULONG Type : 4;
ULONG Storage : 1;
ULONG Dpl : 2;
ULONG Present : 1;
ULONG OffsetHigh : 16;
} SOFT386_IDT_ENTRY, *PSOFT386_IDT_ENTRY;
typedef struct _SOFT386_TABLE_REG
{
USHORT Size;
ULONG Address;
} SOFT386_TABLE_REG, *PSOFT386_TABLE_REG;
typedef union _SOFT386_FLAGS_REG
{
USHORT LowWord;
ULONG Long;
struct
{
ULONG Cf : 1;
ULONG AlwaysSet : 1;
ULONG Pf : 1;
ULONG Reserved0 : 1;
ULONG Af : 1;
ULONG Reserved1 : 1;
ULONG Zf : 1;
ULONG Sf : 1;
ULONG Tf : 1;
ULONG If : 1;
ULONG Df : 1;
ULONG Of : 1;
ULONG Iopl : 2;
ULONG Nt : 1;
ULONG Reserved2 : 1;
ULONG Rf : 1;
ULONG Vm : 1;
ULONG Ac : 1;
ULONG Vif : 1;
ULONG Vip : 1;
ULONG Id : 1;
// ULONG Reserved : 10;
};
} SOFT386_FLAGS_REG, *PSOFT386_FLAGS_REG;
typedef struct _SOFT386_TSS
{
ULONG Link;
ULONG Esp0;
ULONG Ss0;
ULONG Esp1;
ULONG Ss1;
ULONG Esp2;
ULONG Ss2;
ULONG Cr3;
ULONG Eip;
ULONG Eflags;
ULONG Eax;
ULONG Ecx;
ULONG Edx;
ULONG Ebx;
ULONG Esp;
ULONG Ebp;
ULONG Esi;
ULONG Edi;
ULONG Es;
ULONG Cs;
ULONG Ss;
ULONG Ds;
ULONG Fs;
ULONG Gs;
ULONG Ldtr;
ULONG IopbOffset;
} SOFT386_TSS, *PSOFT386_TSS;
struct _SOFT386_STATE
{
SOFT386_MEM_READ_PROC MemReadCallback;
SOFT386_MEM_WRITE_PROC MemWriteCallback;
SOFT386_IO_READ_PROC IoReadCallback;
SOFT386_IO_WRITE_PROC IoWriteCallback;
SOFT386_IDLE_PROC IdleCallback;
SOFT386_BOP_PROC BopCallback;
SOFT386_REG GeneralRegs[SOFT386_NUM_GEN_REGS];
SOFT386_SEG_REG SegmentRegs[SOFT386_NUM_SEG_REGS];
SOFT386_REG InstPtr;
SOFT386_FLAGS_REG Flags;
SOFT386_TABLE_REG Gdtr, Idtr, Ldtr, Tss;
ULONGLONG TimeStampCounter;
ULONG ControlRegisters[SOFT386_NUM_CTRL_REGS];
ULONG DebugRegisters[SOFT386_NUM_DBG_REGS];
ULONG ExceptionCount;
ULONG PrefixFlags;
SOFT386_SEG_REGS SegmentOverride;
BOOLEAN HardwareInt;
};
/* FUNCTIONS ******************************************************************/
VOID
NTAPI
Soft386Continue(PSOFT386_STATE State);
VOID
NTAPI
Soft386StepInto(PSOFT386_STATE State);
VOID
NTAPI
Soft386StepOver(PSOFT386_STATE State);
VOID
NTAPI
Soft386StepOut(PSOFT386_STATE State);
VOID
NTAPI
Soft386DumpState(PSOFT386_STATE State);
VOID
NTAPI
Soft386Reset(PSOFT386_STATE State);
VOID
NTAPI
Soft386Interrupt(PSOFT386_STATE State, UCHAR Number);
VOID
NTAPI
Soft386ExecuteAt(PSOFT386_STATE State, USHORT Segment, ULONG Offset);
VOID
NTAPI
Soft386SetStack(PSOFT386_STATE State, USHORT Segment, ULONG Offset);
VOID
NTAPI
Soft386SetSegment
(
PSOFT386_STATE State,
SOFT386_SEG_REGS Segment,
USHORT Selector
);
#endif // _SOFT386_H_
/* EOF */
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