1 /* $OpenBSD: pcb.h,v 1.5 2001/06/29 06:07:09 drahn Exp $ */ 2 /* $NetBSD: pcb.h,v 1.1 1996/09/30 16:34:29 ws Exp $ */ 3 4 /*- 5 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 6 * Copyright (C) 1995, 1996 TooLs GmbH. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by TooLs GmbH. 20 * 4. The name of TooLs GmbH may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #ifndef _MACHINE_PCB_H_ 35 #define _MACHINE_PCB_H_ 36 37 #include <machine/reg.h> 38 39 40 typedef struct __faultbuf { 41 int pc; 42 int sr; 43 int sp; 44 int cr; 45 int regs[20]; 46 } faultbuf; 47 48 struct pcb { 49 struct pmap *pcb_pm; /* pmap of our vmspace */ 50 struct pmap *pcb_pmreal; /* real address of above */ 51 register_t pcb_sp; /* saved SP */ 52 int pcb_spl; /* saved SPL */ 53 faultbuf *pcb_onfault; /* For use during copyin/copyout */ 54 int pcb_flags; 55 #define PCB_FPU 1 /* Process had FPU initialized */ 56 struct fpu { 57 double fpr[32]; 58 double fpcsr; /* FPCSR stored as double for easier access */ 59 } pcb_fpu; /* Floating point processor */ 60 }; 61 62 struct md_coredump { 63 struct reg regs; 64 }; 65 66 #ifdef _KERNEL 67 extern struct pcb *curpcb; 68 extern struct pmap *curpm; 69 extern struct proc *fpuproc; 70 int setfault __P((faultbuf env)); 71 #endif 72 #endif /* _MACHINE_PCB_H_ */ 73