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