cpuinfo.h revision 330897 
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: stable/11/sys/mips/include/cpuinfo.h 330897 2018-03-14 03:19:51Z eadler $
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
54struct 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	struct {
64		u_int32_t	ic_size;
65		u_int8_t	ic_linesize;
66		u_int8_t	ic_nways;
67		u_int16_t	ic_nsets;
68		u_int32_t	dc_size;
69		u_int8_t	dc_linesize;
70		u_int8_t	dc_nways;
71		u_int16_t	dc_nsets;
72	} l1;
73	struct {
74		u_int32_t	dc_size;
75		u_int8_t	dc_linesize;
76		u_int8_t	dc_nways;
77		u_int16_t	dc_nsets;
78	} l2;
79};
80
81extern struct mips_cpuinfo cpuinfo;
82
83#endif /* !LOCORE */
84#endif /* _KERNEL */
85#endif /* _CPUINFO_H_ */
86