---

/projects/cubeos/src_current/kernel/context.h

Go to the documentation of this file.

/*  src_experimental/kernel/context.h
    CubeOS Version 0.4.90 experimental
    Copyright (C) 1999,2000 Holger Kenn

    CubeOS is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or any later version.

    CubeOS 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
    Library General Public License for more details.

*/  
/* This defines a context for a process or thread */
/* It's simply a block for the context switch to store data */
#ifndef CONTEXT_H
#define CONTEXT_H

#define PNREGS  19

#define POS_D0 0
#define POS_D1 1
#define POS_D2 2
#define POS_D3 3
#define POS_D4 4
#define POS_D5 5
#define POS_D6 6
#define POS_D7 7
#define POS_A0 8
#define POS_A1 9
#define POS_A2 10
#define POS_A3 11
#define POS_A4 12
#define POS_A5 13
#define POS_A6 14
#define POS_SSP 15
#define POS_SR 16
#define POS_PC 17


typedef struct regs *regptr;

typedef struct regs {
        long regs[PNREGS];
} reglist;

void KERN_contextsw(regptr oldarea,regptr newarea);


#endif

---