1/* -*-C++-*-	$NetBSD: platform.cpp,v 1.5 2005/12/11 12:17:28 christos 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 UCHIYAMA Yasushi.
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 <hpcmenu.h>
33#include <machine/platid.h>
34#include <machine/platid_mask.h>
35
36void *
37HpcMenuInterface::_platform(int n, enum _platform_op op)
38{
39	int i, cnt;
40	struct platid_name *name;
41
42	for (i = cnt = 0, name = platid_name_table;
43	    i < platid_name_table_size; i++, name++) {
44		platid_t *mask = name->mask;
45		if (mask->dw.dw0 == PLATID_WILD || mask->dw.dw1 == PLATID_WILD)
46			continue;
47		switch(op) {
48		case _PLATFORM_OP_GET:
49			if (n == cnt)
50				// XXX: constification fallout
51				return reinterpret_cast <void *>
52					(const_cast <tchar *>(name->name));
53			break;
54		case _PLATFORM_OP_SET:
55			if (n == cnt) {
56				_pref.platid_hi = mask->dw.dw0;
57				_pref.platid_lo = mask->dw.dw1;
58				return static_cast <void *>(0);
59			}
60			break;
61		case _PLATFORM_OP_DEFAULT:
62			if ((mask->dw.dw0 == _pref.platid_hi) &&
63			    (mask->dw.dw1 == _pref.platid_lo))
64				return reinterpret_cast <void *>(cnt);
65			break;
66		}
67		cnt++;
68	}
69
70	return 0;
71}
72