xref: /netbsd/sys/arch/hpc/hpc/platid.c (revision bf9ec67e)
1 /*	$NetBSD: platid.c,v 1.3 2001/09/27 16:31:23 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 1999-2001
5  *         Shin Takemura and PocketBSD Project. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the PocketBSD project
18  *	and its contributors.
19  * 4. Neither the name of the project nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  */
36 
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 
41 #include <machine/platid.h>
42 
43 platid_t platid_unknown = {{ PLATID_UNKNOWN, PLATID_UNKNOWN }};
44 platid_t platid_wild = {{ PLATID_WILD, PLATID_WILD }};
45 platid_t platid = {{ PLATID_UNKNOWN, PLATID_UNKNOWN }};
46 
47 void
48 platid_ntoh(platid_t *pid)
49 {
50 
51 	pid->dw.dw0 = ntohl(pid->dw.dw0);
52 	pid->dw.dw1 = ntohl(pid->dw.dw1);
53 }
54 
55 void
56 platid_hton(platid_t *pid)
57 {
58 
59 	pid->dw.dw0 = htonl(pid->dw.dw0);
60 	pid->dw.dw1 = htonl(pid->dw.dw1);
61 }
62 
63 void
64 platid_dump(char *name, void* pxx)
65 {
66 	int i;
67 	unsigned char* p = (unsigned char*)pxx;
68 
69 	printf("%14s: ", name);
70 
71 	for (i = 0; i < 8; i++) {
72 		printf("%02x", p[i]);
73 	}
74 	printf("\n");
75 }
76 
77 int
78 platid_match(platid_t *platid, platid_mask_t *mask)
79 {
80 
81 	return (platid_match_sub(platid, mask, 0));
82 }
83 
84 int
85 platid_match_sub(platid_t *platid, platid_mask_t *mask, int unknown_is_match)
86 {
87 	int match_count;
88 
89 #define PLATID_MATCH(mbr)						\
90 	if (platid->s.mbr != mask->s.mbr &&				\
91 	    mask->s.mbr != platid_wild.s.mbr &&				\
92 	    !(platid->s.mbr == platid_unknown.s.mbr &&			\
93 	     unknown_is_match)) {					\
94 		return (0);						\
95 	} else if (platid->s.mbr == mask->s.mbr) {			\
96 		match_count++;						\
97 	}
98 
99 	match_count = 1;
100 	PLATID_MATCH(cpu_submodel);
101 	PLATID_MATCH(cpu_model);
102 	PLATID_MATCH(cpu_series);
103 	PLATID_MATCH(cpu_arch);
104 
105 	PLATID_MATCH(submodel);
106 	PLATID_MATCH(model);
107 	PLATID_MATCH(series);
108 	PLATID_MATCH(vendor);
109 
110 	return (match_count);
111 
112 #undef PLATID_MATCH
113 }
114 
115 tchar*
116 platid_name(platid_t *platid)
117 {
118 	struct platid_name *match;
119 
120 	match = platid_search(platid,
121 	    platid_name_table, platid_name_table_size,
122 	    sizeof(struct platid_name));
123 
124 	return ((match != NULL) ? match->name : TEXT("UNKNOWN"));
125 }
126 
127 struct platid_data *
128 platid_search_data(platid_t *platid, struct platid_data *datap)
129 {
130 
131 	while (datap->mask != NULL && !platid_match(platid, datap->mask))
132 		datap++;
133 	if (datap->mask == NULL && datap->data == NULL)
134 		return (NULL);
135 
136 	return (datap);
137 }
138 
139 void *
140 platid_search(platid_t *platid, void *base, int nmemb, int size)
141 {
142 	int i, match_level, res;
143 	void *match;
144 
145 	match_level = 0;
146 	match = NULL;
147 	for (i = 0; i < nmemb; i++) {
148 		res = platid_match(platid, *(platid_mask_t**)base);
149 		if (match_level < res) {
150 			match_level = res;
151 			match = base;
152 		}
153 		(char *)base += size;
154 	}
155 
156 	return (match);
157 }
158