1 /* $NetBSD: cpu.h,v 1.70 2003/01/17 23:36:08 thorpej Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 1992, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Ralph Campbell and Rick Macklem. 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 * $FreeBSD$ 41 * @(#)cpu.h 8.4 (Berkeley) 1/4/94 42 */ 43 44 #ifndef _CPUINFO_H_ 45 #define _CPUINFO_H_ 46 47 /* 48 * Exported definitions unique to NetBSD/mips cpu support. 49 */ 50 51 #ifdef _KERNEL 52 #ifndef LOCORE 53 54 struct mips_cpuinfo { 55 u_int8_t cpu_vendor; 56 u_int8_t cpu_rev; 57 u_int8_t cpu_impl; 58 u_int8_t tlb_type; 59 u_int32_t tlb_pgmask; 60 u_int16_t tlb_nentries; 61 u_int8_t icache_virtual; 62 boolean_t cache_coherent_dma; 63 boolean_t userlocal_reg; 64 struct { 65 u_int32_t ic_size; 66 u_int8_t ic_linesize; 67 u_int8_t ic_nways; 68 u_int16_t ic_nsets; 69 u_int32_t dc_size; 70 u_int8_t dc_linesize; 71 u_int8_t dc_nways; 72 u_int16_t dc_nsets; 73 } l1; 74 struct { 75 u_int32_t dc_size; 76 u_int8_t dc_linesize; 77 u_int8_t dc_nways; 78 u_int16_t dc_nsets; 79 } l2; 80 u_int32_t fpu_id; 81 }; 82 83 extern struct mips_cpuinfo cpuinfo; 84 85 #endif /* !LOCORE */ 86 #endif /* _KERNEL */ 87 #endif /* _CPUINFO_H_ */ 88