1 /* $NetBSD: pcb.h,v 1.8 2001/04/30 15:30:39 martin 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 #include <powerpc/reg.h> 37 38 typedef int faultbuf[23]; 39 struct fpu { 40 double fpr[32]; 41 double fpscr; /* FPSCR stored as double for easier access */ 42 }; 43 44 struct pcb { 45 struct pmap *pcb_pm; /* pmap of our vmspace */ 46 struct pmap *pcb_pmreal; /* real address of above */ 47 register_t pcb_sp; /* saved SP */ 48 int pcb_spl; /* saved SPL */ 49 faultbuf *pcb_onfault; /* For use during copyin/copyout */ 50 int pcb_flags; 51 #define PCB_FPU 1 /* Process had FPU initialized */ 52 struct fpu pcb_fpu; /* Floating point processor */ 53 struct cpu_info *pcb_fpcpu; /* CPU with our FP state */ 54 struct vreg *pcb_vr; 55 }; 56 57 struct md_coredump { 58 struct trapframe frame; 59 struct fpu fpstate; 60 struct vreg vstate; 61 }; 62 63 #if defined(_KERNEL) && !defined(MULTIPROCESSOR) 64 extern struct pcb *curpcb; 65 extern struct pmap *curpm; 66 extern struct proc *fpuproc, *vecproc; 67 extern struct pool *vecpl; 68 #endif 69 70 #endif /* _MACHINE_PCB_H_ */ 71