/*      $OpenBSD: pcb.h,v 1.15 2015/07/29 18:52:44 miod Exp $   */
/*      $NetBSD: pcb.h,v 1.1 1996/09/30 16:34:29 ws Exp $       */

/*-
 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
 * Copyright (C) 1995, 1996 TooLs GmbH.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by TooLs GmbH.
 * 4. The name of TooLs GmbH may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _POWERPC_PCB_H_
#define _POWERPC_PCB_H_

#include <machine/reg.h>


typedef struct __faultbuf {
        int     pc;
        int     sp;
        int     cr;
        int     regs[20];
} faultbuf;

struct pcb {
        struct pmap *pcb_pm;    /* pmap of our vmspace */
        struct pmap *pcb_pmreal; /* real address of above */
        register_t pcb_sp;      /* saved SP */
        faultbuf *pcb_onfault;  /* For use during copyin/copyout */
        int pcb_flags;
#define PCB_FPU         1       /* Process had FPU initialized */
        struct fpu {
                double fpr[32];
                double fpcsr;   /* FPCSR stored as double for easier access */
        } pcb_fpu;              /* Floating point processor */
        struct vreg *pcb_vr;    /* Vector unit */
        struct cpu_info *pcb_fpcpu;
        struct cpu_info *pcb_veccpu;
};

#ifdef  _KERNEL
extern struct proc *fpuproc;
int  setfault(faultbuf *env) __returns_twice;
#endif
#endif  /* _POWERPC_PCB_H_ */