#pragma once

#include "ketypes.h"

/* Emulate cli/sti instructions */
#define KV86M_EMULATE_CLI_STI          (0x1)
/* Allow the v86 mode code to access i/o ports */
#define KV86M_ALLOW_IO_PORT_ACCESS      (0x2)

typedef struct _KV86M_REGISTERS
{
    /*
     * General purpose registers
     */
    ULONG Ebp;
    ULONG Edi;
    ULONG Esi;
    ULONG Edx;
    ULONG Ecx;
    ULONG Ebx;
    ULONG Eax;
    ULONG Ds;
    ULONG Es;
    ULONG Fs;
    ULONG Gs;

    /*
     * Control registers
     */
    ULONG Eip;
    ULONG Cs;
    ULONG Eflags;
    ULONG Esp;
    ULONG Ss;

    /*
     * Control structures
     */
    ULONG RecoveryAddress;
    UCHAR RecoveryInstruction[4];
    ULONG Vif;
    ULONG Flags;
    PNTSTATUS PStatus;
} KV86M_REGISTERS, *PKV86M_REGISTERS;

typedef struct _KV86M_TRAP_FRAME
{
    KTRAP_FRAME Tf;

    ULONG SavedExceptionStack;

    /*
     * These are put on the top of the stack by the routine that entered
     * v86 mode so the exception handlers can find the control information
     */
    struct _KV86M_REGISTERS* regs;
    ULONG orig_ebp;
} KV86M_TRAP_FRAME, *PKV86M_TRAP_FRAME;