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
52 struct 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_int16_t tlb_nentries;
58 u_int8_t icache_virtual;
59 boolean_t cache_coherent_dma;
60 struct {
61 u_int32_t ic_size;
62 u_int8_t ic_linesize;
63 u_int8_t ic_nways;
64 u_int16_t ic_nsets;
65 u_int32_t dc_size;
66 u_int8_t dc_linesize;
67 u_int8_t dc_nways;
68 u_int16_t dc_nsets;
69 } l1;
70 };
71
72 extern struct mips_cpuinfo cpuinfo;
73
74 #endif /* !LOCORE */
75 #endif /* _KERNEL */
76 #endif /* _CPUINFO_H_ */
Cache object: ca1b5735dd558a7584f3ac0335544fe2
|