1/* $NetBSD: cpu.h,v 1.70 2003/01/17 23:36:08 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 and Rick Macklem. 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 * $FreeBSD$ 39 * @(#)cpu.h 8.4 (Berkeley) 1/4/94 40 */ 41 42#ifndef _CPUINFO_H_ 43#define _CPUINFO_H_ 44 45/* 46 * Exported definitions unique to NetBSD/mips cpu support. 47 */ 48 49#ifdef _KERNEL 50#ifndef LOCORE 51 52struct mips_cpuinfo { 53 u_int8_t cpu_vendor; 54 u_int8_t cpu_rev; 55 u_int8_t cpu_impl; 56 u_int8_t tlb_type; 57 u_int32_t tlb_pgmask; 58 u_int16_t tlb_nentries; 59 u_int8_t icache_virtual; 60 boolean_t cache_coherent_dma; 61 struct { 62 u_int32_t ic_size; 63 u_int8_t ic_linesize; 64 u_int8_t ic_nways; 65 u_int16_t ic_nsets; 66 u_int32_t dc_size; 67 u_int8_t dc_linesize; 68 u_int8_t dc_nways; 69 u_int16_t dc_nsets; 70 } l1; 71 struct { 72 u_int32_t dc_size; 73 u_int8_t dc_linesize; 74 u_int8_t dc_nways; 75 u_int16_t dc_nsets; 76 } l2; 77}; 78 79extern struct mips_cpuinfo cpuinfo; 80 81#endif /* !LOCORE */ 82#endif /* _KERNEL */ 83#endif /* _CPUINFO_H_ */ 84