1/*	$NetBSD: platform.c,v 1.5 2006/06/25 16:52:01 tsutsui 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: platform.c,v 1.5 2006/06/25 16:52:01 tsutsui Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/kcore.h>
38
39#include <machine/platform.h>
40#include <arc/arc/arcbios.h>
41
42struct platform *platform = NULL;
43
44static void print_platform(struct platform *);
45
46static void
47print_platform(struct platform *p)
48{
49	printf("\"%s %s%s\" (%s, %s)",
50	    p->vendor, p->model, p->variant,
51	    p->vendor_id ? p->vendor_id : "NULL",
52	    p->system_id);
53}
54
55int
56ident_platform(void)
57{
58	int i, rv, matched = -1, match = 0, ambiguous_match = 0;
59
60	for (i = 0; i < nplattab; i++) {
61		rv = (*plattab[i]->match)(plattab[i]);
62		if (rv > match) {
63			match = rv;
64			matched = i;
65			ambiguous_match = 0;
66		} else if (rv == match) {
67			++ambiguous_match;
68		}
69	}
70	if (ambiguous_match) {
71		/* assumes that ARC Firmware printf() can be used. */
72		printf("ambiguous platform detection between ");
73		print_platform(plattab[matched]);
74		for (i = 0; i < nplattab; i++) {
75			if (i == matched)
76				continue;
77			rv = (*plattab[i]->match)(plattab[i]);
78			if (rv < match)
79				continue;
80			if (--ambiguous_match)
81				printf(", ");
82			else
83				printf(" and ");
84			print_platform(plattab[i]);
85		}
86		printf(". ");
87		print_platform(plattab[matched]);
88		printf(" is choosed.\n");
89	}
90	if (match)
91		platform = plattab[matched];
92	return match;
93}
94
95int
96platform_generic_match(struct platform *p)
97{
98
99	if (strcmp(arc_id, p->system_id) == 0 &&
100	    (p->vendor_id == NULL || strcmp(arc_vendor_id, p->vendor_id) == 0))
101		return 1;
102
103	return 0;
104}
105
106void
107platform_nop(void)
108{
109}
110