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_ */
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