xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/menu/platform.cpp (revision ce099b40997c43048fb78bd578195f81d2456523)
1*ce099b40Smartin /* -*-C++-*-	$NetBSD: platform.cpp,v 1.6 2008/04/28 20:23:20 martin Exp $	*/
29173eae7Such 
39173eae7Such /*-
49173eae7Such  * Copyright (c) 2001 The NetBSD Foundation, Inc.
59173eae7Such  * All rights reserved.
69173eae7Such  *
79173eae7Such  * This code is derived from software contributed to The NetBSD Foundation
89173eae7Such  * by UCHIYAMA Yasushi.
99173eae7Such  *
109173eae7Such  * Redistribution and use in source and binary forms, with or without
119173eae7Such  * modification, are permitted provided that the following conditions
129173eae7Such  * are met:
139173eae7Such  * 1. Redistributions of source code must retain the above copyright
149173eae7Such  *    notice, this list of conditions and the following disclaimer.
159173eae7Such  * 2. Redistributions in binary form must reproduce the above copyright
169173eae7Such  *    notice, this list of conditions and the following disclaimer in the
179173eae7Such  *    documentation and/or other materials provided with the distribution.
189173eae7Such  *
199173eae7Such  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
209173eae7Such  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
219173eae7Such  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
229173eae7Such  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
239173eae7Such  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
249173eae7Such  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
259173eae7Such  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
269173eae7Such  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
279173eae7Such  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
289173eae7Such  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
299173eae7Such  * POSSIBILITY OF SUCH DAMAGE.
309173eae7Such  */
319173eae7Such 
329173eae7Such #include <hpcmenu.h>
339173eae7Such #include <machine/platid.h>
349173eae7Such #include <machine/platid_mask.h>
359173eae7Such 
369173eae7Such void *
_platform(int n,enum _platform_op op)379173eae7Such HpcMenuInterface::_platform(int n, enum _platform_op op)
389173eae7Such {
399173eae7Such 	int i, cnt;
409173eae7Such 	struct platid_name *name;
419173eae7Such 
429173eae7Such 	for (i = cnt = 0, name = platid_name_table;
439173eae7Such 	    i < platid_name_table_size; i++, name++) {
449173eae7Such 		platid_t *mask = name->mask;
459173eae7Such 		if (mask->dw.dw0 == PLATID_WILD || mask->dw.dw1 == PLATID_WILD)
469173eae7Such 			continue;
479173eae7Such 		switch(op) {
489173eae7Such 		case _PLATFORM_OP_GET:
499173eae7Such 			if (n == cnt)
5075d8bdf0Suwe 				// XXX: constification fallout
5175d8bdf0Suwe 				return reinterpret_cast <void *>
5275d8bdf0Suwe 					(const_cast <tchar *>(name->name));
539173eae7Such 			break;
549173eae7Such 		case _PLATFORM_OP_SET:
559173eae7Such 			if (n == cnt) {
569173eae7Such 				_pref.platid_hi = mask->dw.dw0;
579173eae7Such 				_pref.platid_lo = mask->dw.dw1;
589173eae7Such 				return static_cast <void *>(0);
599173eae7Such 			}
609173eae7Such 			break;
619173eae7Such 		case _PLATFORM_OP_DEFAULT:
629173eae7Such 			if ((mask->dw.dw0 == _pref.platid_hi) &&
639173eae7Such 			    (mask->dw.dw1 == _pref.platid_lo))
649173eae7Such 				return reinterpret_cast <void *>(cnt);
659173eae7Such 			break;
669173eae7Such 		}
679173eae7Such 		cnt++;
689173eae7Such 	}
699173eae7Such 
709173eae7Such 	return 0;
719173eae7Such }
72