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platform.cpp revision 1.1 
      1 /* -*-C++-*-	$NetBSD: platform.cpp,v 1.1 2001/02/09 18:34:57 uch 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  * 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 <hpcmenu.h>
     40 #include <machine/platid.h>
     41 #include <machine/platid_mask.h>
     42 
     43 void *
     44 HpcMenuInterface::_platform(int n, enum _platform_op op)
     45 {
     46 	int i, cnt;
     47 	struct platid_name *name;
     48 
     49 	for (i = cnt = 0, name = platid_name_table;
     50 	     i < platid_name_table_size; i++, name++) {
     51 		platid_t *mask = name->mask;
     52 		if (mask->dw.dw0 == PLATID_WILD || mask->dw.dw1 == PLATID_WILD)
     53 			continue;
     54 		switch(op) {
     55 		case _PLATFORM_OP_GET:
     56 			if (n == cnt)
     57 				return reinterpret_cast <void *>(name->name);
     58 			break;
     59 		case _PLATFORM_OP_SET:
     60 			if (n == cnt) {
     61 				_pref.platid_hi = mask->dw.dw0;
     62 				_pref.platid_lo = mask->dw.dw1;
     63 				return static_cast <void *>(0);
     64 			}
     65 			break;
     66 		case _PLATFORM_OP_DEFAULT:
     67 			if ((mask->dw.dw0 == _pref.platid_hi) &&
     68 			    (mask->dw.dw1 == _pref.platid_lo))
     69 				return reinterpret_cast <void *>(cnt);
     70 			break;
     71 		}
     72 		cnt++;
     73 	}
     74 
     75 	return 0;
     76 }
     77 
     78