1 /* $NetBSD: pcb.h,v 1.1 1996/09/30 16:34:29 ws Exp $ */ 2 3 /*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #ifndef _MACHINE_PCB_H_ 34 #define _MACHINE_PCB_H_ 35 36 typedef int faultbuf[24]; 37 38 struct pcb { 39 struct pmap *pcb_pm; /* pmap of our vmspace */ 40 struct pmap *pcb_pmreal; /* real address of above */ 41 register_t pcb_sp; /* saved SP */ 42 int pcb_spl; /* saved SPL */ 43 faultbuf *pcb_onfault; /* For use during copyin/copyout */ 44 int pcb_flags; 45 #define PCB_FPU 1 /* Process had FPU initialized */ 46 struct fpu { 47 double fpr[32]; 48 double fpcsr; /* FPCSR stored as double for easier access */ 49 } pcb_fpu; /* Floating point processor */ 50 }; 51 52 struct md_coredump { 53 struct trapframe frame; 54 /* Need to add FPU regs here */ 55 }; 56 57 #ifdef _KERNEL 58 extern struct pcb *curpcb; 59 extern struct pmap *curpm; 60 extern struct proc *fpuproc; 61 #endif 62 #endif /* _MACHINE_PCB_H_ */ 63