1178172Simp/* $NetBSD: cpu.h,v 1.70 2003/01/17 23:36:08 thorpej Exp $ */ 2178172Simp 3178172Simp/*- 4178172Simp * Copyright (c) 1992, 1993 5178172Simp * The Regents of the University of California. All rights reserved. 6178172Simp * 7178172Simp * This code is derived from software contributed to Berkeley by 8178172Simp * Ralph Campbell and Rick Macklem. 9178172Simp * 10178172Simp * Redistribution and use in source and binary forms, with or without 11178172Simp * modification, are permitted provided that the following conditions 12178172Simp * are met: 13178172Simp * 1. Redistributions of source code must retain the above copyright 14178172Simp * notice, this list of conditions and the following disclaimer. 15178172Simp * 2. Redistributions in binary form must reproduce the above copyright 16178172Simp * notice, this list of conditions and the following disclaimer in the 17178172Simp * documentation and/or other materials provided with the distribution. 18178172Simp * 3. All advertising materials mentioning features or use of this software 19178172Simp * must display the following acknowledgement: 20178172Simp * This product includes software developed by the University of 21178172Simp * California, Berkeley and its contributors. 22178172Simp * 4. Neither the name of the University nor the names of its contributors 23178172Simp * may be used to endorse or promote products derived from this software 24178172Simp * without specific prior written permission. 25178172Simp * 26178172Simp * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27178172Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28178172Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29178172Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30178172Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31178172Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32178172Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33178172Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34178172Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35178172Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36178172Simp * SUCH DAMAGE. 37178172Simp * 38178172Simp * $FreeBSD$ 39178172Simp * @(#)cpu.h 8.4 (Berkeley) 1/4/94 40178172Simp */ 41178172Simp 42178172Simp#ifndef _CPUINFO_H_ 43178172Simp#define _CPUINFO_H_ 44178172Simp 45178172Simp/* 46178172Simp * Exported definitions unique to NetBSD/mips cpu support. 47178172Simp */ 48178172Simp 49178172Simp#ifdef _KERNEL 50178172Simp#ifndef LOCORE 51178172Simp 52178172Simpstruct mips_cpuinfo { 53178172Simp u_int8_t cpu_vendor; 54178172Simp u_int8_t cpu_rev; 55178172Simp u_int8_t cpu_impl; 56178172Simp u_int8_t tlb_type; 57292609Sadrian u_int32_t tlb_pgmask; 58178172Simp u_int16_t tlb_nentries; 59178172Simp u_int8_t icache_virtual; 60204689Sneel boolean_t cache_coherent_dma; 61178172Simp struct { 62202031Simp u_int32_t ic_size; 63178172Simp u_int8_t ic_linesize; 64178172Simp u_int8_t ic_nways; 65178172Simp u_int16_t ic_nsets; 66202031Simp u_int32_t dc_size; 67178172Simp u_int8_t dc_linesize; 68178172Simp u_int8_t dc_nways; 69178172Simp u_int16_t dc_nsets; 70178172Simp } l1; 71274752Sbr struct { 72274752Sbr u_int32_t dc_size; 73274752Sbr u_int8_t dc_linesize; 74274752Sbr u_int8_t dc_nways; 75274752Sbr u_int16_t dc_nsets; 76274752Sbr } l2; 77178172Simp}; 78178172Simp 79204689Sneelextern struct mips_cpuinfo cpuinfo; 80204689Sneel 81178172Simp#endif /* !LOCORE */ 82178172Simp#endif /* _KERNEL */ 83178172Simp#endif /* _CPUINFO_H_ */ 84