1 /* $NetBSD: proc.h,v 1.16 2003/01/17 23:36:09 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)proc.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 #ifndef _MIPS_PROC_H_ 42 #define _MIPS_PROC_H_ 43 44 #include <sys/param.h> 45 46 struct lwp; 47 48 /* 49 * Machine-dependent part of the proc structure for MIPS 50 */ 51 52 struct mdlwp { 53 void *md_regs; /* registers on current frame */ 54 int md_flags; /* machine-dependent flags */ 55 int md_upte[UPAGES]; /* ptes for mapping u page */ 56 vaddr_t md_ss_addr; /* single step address for ptrace */ 57 int md_ss_instr; /* single step instruction for ptrace */ 58 }; 59 60 struct mdproc { 61 __volatile int md_astpending; /* AST pending on return to userland */ 62 /* syscall entry for this process */ 63 void (*md_syscall)(struct lwp *, u_int, u_int, u_int); 64 }; 65 66 /* md_flags */ 67 #define MDP_FPUSED 0x0001 /* floating point coprocessor used */ 68 69 /* 70 * MIPS trapframe 71 */ 72 struct frame { 73 mips_reg_t f_regs[38]; 74 u_int32_t f_ppl; /* previous priority level */ 75 int32_t f_pad; /* for 8 byte aligned */ 76 }; 77 78 #ifdef _KERNEL 79 /* kernel single-step emulation */ 80 int mips_singlestep(struct lwp *l); 81 #endif /* _KERNEL */ 82 83 #endif /* _MIPS_PROC_H_ */ 84