NetBSD/sys/arch/hpc/stand/hpcboot/menu/platform.cpp

77 lines
2.8 KiB
C++

/* -*-C++-*- $NetBSD: platform.cpp,v 1.2 2001/05/08 18:51:24 uch Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <hpcmenu.h>
#include <machine/platid.h>
#include <machine/platid_mask.h>
void *
HpcMenuInterface::_platform(int n, enum _platform_op op)
{
int i, cnt;
struct platid_name *name;
for (i = cnt = 0, name = platid_name_table;
i < platid_name_table_size; i++, name++) {
platid_t *mask = name->mask;
if (mask->dw.dw0 == PLATID_WILD || mask->dw.dw1 == PLATID_WILD)
continue;
switch(op) {
case _PLATFORM_OP_GET:
if (n == cnt)
return reinterpret_cast <void *>(name->name);
break;
case _PLATFORM_OP_SET:
if (n == cnt) {
_pref.platid_hi = mask->dw.dw0;
_pref.platid_lo = mask->dw.dw1;
return static_cast <void *>(0);
}
break;
case _PLATFORM_OP_DEFAULT:
if ((mask->dw.dw0 == _pref.platid_hi) &&
(mask->dw.dw1 == _pref.platid_lo))
return reinterpret_cast <void *>(cnt);
break;
}
cnt++;
}
return 0;
}