1 /* $NetBSD: platid.c,v 1.11 2006/05/10 06:24:02 skrll 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/cdefs.h>
38 #if !defined(_WIN32) /* XXX: hpcboot.exe */
39 __KERNEL_RCSID(0, "$NetBSD: platid.c,v 1.11 2006/05/10 06:24:02 skrll Exp $");
40 #endif
41
42 #include <sys/types.h>
43 #include <sys/param.h>
44 #include <sys/systm.h>
45
46 #include <machine/platid.h>
47
48 platid_t platid_unknown = {{ PLATID_UNKNOWN, PLATID_UNKNOWN }};
49 platid_t platid_wild = {{ PLATID_WILD, PLATID_WILD }};
50 platid_t platid = {{ PLATID_UNKNOWN, PLATID_UNKNOWN }};
51
52 void
platid_ntoh(platid_t * pid)53 platid_ntoh(platid_t *pid)
54 {
55
56 pid->dw.dw0 = ntohl(pid->dw.dw0);
57 pid->dw.dw1 = ntohl(pid->dw.dw1);
58 }
59
60 void
platid_hton(platid_t * pid)61 platid_hton(platid_t *pid)
62 {
63
64 pid->dw.dw0 = htonl(pid->dw.dw0);
65 pid->dw.dw1 = htonl(pid->dw.dw1);
66 }
67
68 #ifdef PLATID_TEST
69 void
platid_dump(const char * name,void * pxx)70 platid_dump(const char *name, void* pxx)
71 {
72 int i;
73 unsigned char* p = (unsigned char*)pxx;
74
75 printf("%14s: ", name);
76
77 for (i = 0; i < 8; i++) {
78 printf("%02x", p[i]);
79 }
80 printf("\n");
81 }
82 #endif
83
84 int
platid_match(platid_t * pid,platid_mask_t * mask)85 platid_match(platid_t *pid, platid_mask_t *mask)
86 {
87
88 return (platid_match_sub(pid, mask, 0));
89 }
90
91 int
platid_match_sub(platid_t * pid,platid_mask_t * mask,int unknown_is_match)92 platid_match_sub(platid_t *pid, platid_mask_t *mask, int unknown_is_match)
93 {
94 int match_count;
95
96 #define PLATID_MATCH(mbr) \
97 if (pid->s.mbr != mask->s.mbr && \
98 mask->s.mbr != platid_wild.s.mbr && \
99 !(pid->s.mbr == platid_unknown.s.mbr && \
100 unknown_is_match)) { \
101 return (0); \
102 } else if (pid->s.mbr == mask->s.mbr) { \
103 match_count++; \
104 }
105
106 match_count = 1;
107 PLATID_MATCH(cpu_submodel);
108 PLATID_MATCH(cpu_model);
109 PLATID_MATCH(cpu_series);
110 PLATID_MATCH(cpu_arch);
111
112 PLATID_MATCH(submodel);
113 PLATID_MATCH(model);
114 PLATID_MATCH(series);
115 PLATID_MATCH(vendor);
116
117 return (match_count);
118
119 #undef PLATID_MATCH
120 }
121
122 const tchar *
platid_name(platid_t * pid)123 platid_name(platid_t *pid)
124 {
125 struct platid_name *match;
126
127 match = platid_search(pid,
128 platid_name_table, platid_name_table_size,
129 sizeof(struct platid_name));
130
131 return ((match != NULL) ? match->name : TEXT("UNKNOWN"));
132 }
133
134 struct platid_data *
platid_search_data(platid_t * pid,struct platid_data * datap)135 platid_search_data(platid_t *pid, struct platid_data *datap)
136 {
137
138 while (datap->mask != NULL && !platid_match(pid, datap->mask))
139 datap++;
140 if (datap->mask == NULL && datap->data == NULL)
141 return (NULL);
142
143 return (datap);
144 }
145
146 void *
platid_search(platid_t * pid,void * base,int nmemb,int size)147 platid_search(platid_t *pid, void *base, int nmemb, int size)
148 {
149 int i, match_level, res;
150 void *match;
151
152 match_level = 0;
153 match = NULL;
154 for (i = 0; i < nmemb; i++) {
155 res = platid_match(pid, *(platid_mask_t**)base);
156 if (match_level < res) {
157 match_level = res;
158 match = base;
159 }
160 base = (char *)base + size;
161 }
162
163 return (match);
164 }
165