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v86.h

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/*!     \file include/arch/v86.h
 *      \brief Virtual 8086 mode header.
 *      \author Andrea Righi <drizzt@inwind.it>
 *      \date Last update: 2003-11-03
 *      \note Copyright (C) 2003 Andrea Righi
 */

#ifndef V86_H
#define V86_H

#include <kernel/task.h>

//! Virtual-8086 mode flag bit of the EFLAGS register.
#define EFLAGS_VM       0x20000

//! Context of a Virtual 8086 task.
typedef struct v86_context {
        dword   err,
                ip,
                cs,
                eflags,
                sp,
                ss,
                es,
                ds,
                fs,
                gs;
} v86_context;

// --- Prototypes ----------------------------------------------------- //

/** \ingroup Multitasking
 *  \defgroup MTVirtual8086 Virtual-8086 Mode
 *  The Virtual-8086 mode task manager.
 *  @{
 */

task_t *create_v86_process(void *address, void *buffer, size_t size, char *v86name);
void v86_monitor();

/** @} */ // end of MTVirtual8086

#endif

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