xref: /netbsd/sys/arch/arc/arc/platform.c (revision bf9ec67e)
1 /*	$NetBSD: platform.c,v 1.1 2001/06/13 15:08:05 soda Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by SODA Noriyuki.
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 NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kcore.h>
42 
43 #include <machine/platform.h>
44 #include <arc/arc/arcbios.h>
45 
46 struct platform *platform = NULL;
47 
48 void print_platform __P((struct platform *));
49 
50 void
51 print_platform(p)
52 	struct platform *p;
53 {
54 	printf("\"%s %s%s\" (%s, %s)",
55 	    p->vendor, p->model, p->variant,
56 	    p->vendor_id ? p->vendor_id : "NULL",
57 	    p->system_id);
58 }
59 
60 int
61 ident_platform()
62 {
63 	int i, rv, matched = -1, match = 0, ambiguous_match = 0;
64 
65 	for (i = 0; i < nplattab; i++) {
66 		rv = (*plattab[i]->match)(plattab[i]);
67 		if (rv > match) {
68 			match = rv;
69 			matched = i;
70 			ambiguous_match = 0;
71 		} else if (rv == match) {
72 			++ambiguous_match;
73 		}
74 	}
75 	if (ambiguous_match) {
76 		/* assumes that ARC Firmware printf() can be used. */
77 		printf("ambiguous platform detection between ");
78 		print_platform(plattab[matched]);
79 		for (i = 0; i < nplattab; i++) {
80 			if (i == matched)
81 				continue;
82 			rv = (*plattab[i]->match)(plattab[i]);
83 			if (rv < match)
84 				continue;
85 			if (--ambiguous_match)
86 				printf(", ");
87 			else
88 				printf(" and ");
89 			print_platform(plattab[i]);
90 		}
91 		printf(". ");
92 		print_platform(plattab[matched]);
93 		printf(" is choosed.\n");
94 	}
95 	if (match)
96 		platform = plattab[matched];
97 	return (match);
98 }
99 
100 int
101 platform_generic_match(p)
102 	struct platform *p;
103 {
104 	if (strcmp(arc_id, p->system_id) == 0 &&
105 	    (p->vendor_id == NULL || strcmp(arc_vendor_id, p->vendor_id) == 0))
106 		return (1);
107 
108 	return (0);
109 }
110 
111 void
112 platform_nop()
113 {
114 }
115