usr/src/sys/hp300/include/pcb.h

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: pcb.h 1.13 89/04/23$
 *
 *      @(#)pcb.h       7.4 (Berkeley) %G%
 */

#include <machine/frame.h>

/*
 * HP300 process control block
 */
struct pcb
{
        short   pcb_flags;      /* misc. process flags (+0) */
        short   pcb_ps;         /* processor status word (+2) */
        int     pcb_ustp;       /* user segment table pointer (+4) */
        int     pcb_usp;        /* user stack pointer (+8) */
        int     pcb_regs[12];   /* D0-D7, A0-A7 (+C) */
        int     pcb_cmap2;      /* temporary copy PTE */
        caddr_t pcb_onfault;    /* for copyin/out faults */
        struct  fpframe pcb_fpregs; /* 68881/2 context save area */
        int     pcb_exec[16];   /* exec structure for core dumps */
};

/* flags */

#define PCB_HPUXMMAP    0x0010  /* VA space is multiple mapped */
#define PCB_HPUXTRACE   0x0020  /* being traced by an HPUX process */
#define PCB_HPUXBIN     0x0040  /* loaded from an HPUX format binary */
                                /* note: does NOT imply SHPUX */