1 /* $NetBSD: pcb.h,v 1.28 2021/03/13 17:14:11 skrll 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah Hdr: pcb.h 1.13 89/04/23 37 * 38 * @(#)pcb.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 #ifndef _MIPS_PCB_H_ 42 #define _MIPS_PCB_H_ 43 44 #include <mips/types.h> 45 #include <mips/reg.h> 46 47 struct pcb_faultinfo { 48 void *pfi_faultptep; 49 vaddr_t pfi_faultaddr; 50 u_int pfi_repeats; 51 pid_t pfi_lastpid; 52 uint8_t pfi_faulttype; 53 }; 54 55 /* 56 * MIPS process control block 57 */ 58 struct pcb { 59 mips_label_t pcb_context; /* kernel context for resume */ 60 void *pcb_onfault; /* for copyin/copyout faults */ 61 uint32_t pcb_ppl; /* previous priority level */ 62 struct fpreg pcb_fpregs; /* saved floating point registers */ 63 struct dspreg pcb_dspregs; /* saved DSP registers */ 64 struct pcb_faultinfo pcb_faultinfo; 65 }; 66 67 /* 68 * The pcb is augmented with machine-dependent additional data for 69 * core dumps. 70 */ 71 struct md_coredump { 72 mips_reg_t md_regs[38]; 73 struct fpreg md_fpregs; 74 }; 75 76 #ifdef _KERNEL 77 #define PCB_FSR(pcb) ((pcb)->pcb_fpregs.r_regs[_R_FSR - _FPBASE]) 78 #endif 79 80 #ifndef _KERNEL 81 /* Connect the dots for crash(8). */ 82 vaddr_t db_mach_addr_cpuswitch(void); 83 #endif 84 85 #endif /*_MIPS_PCB_H_*/ 86