1 /* $NetBSD: pcb.h,v 1.13 2002/01/12 01:40:36 enami Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department and Ralph Campbell. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah Hdr: pcb.h 1.13 89/04/23 41 * 42 * @(#)pcb.h 8.1 (Berkeley) 6/10/93 43 */ 44 45 #include <mips/reg.h> 46 47 /* 48 * MIPS process control block 49 */ 50 struct pcb 51 { 52 struct fpreg pcb_fpregs; /* saved floating point registers */ 53 mips_reg_t pcb_context[12]; /* kernel context for resume */ 54 caddr_t pcb_onfault; /* for copyin/copyout faults */ 55 u_int32_t pcb_ppl; /* previous priority level */ 56 }; 57 58 /* 59 * The pcb is augmented with machine-dependent additional data for 60 * core dumps. 61 */ 62 struct md_coredump { 63 mips_reg_t md_regs[38]; 64 struct fpreg md_fpregs; 65 }; 66 67 #ifdef _KERNEL 68 extern struct pcb *curpcb; /* the current running pcb */ 69 extern struct segtab *segbase; /* current segtab base */ 70 71 #define PCB_FSR(pcb) ((pcb)->pcb_fpregs.r_regs[FSR - FPBASE]) 72 #endif 73