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/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* from: @(#)swapgeneric.c 5.5 (Berkeley) 5/9/91
* $Id: swapgeneric.c,v 1.17 1996/10/30 21:40:12 julian Exp $
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/buf.h>
#include <sys/systm.h>
#include <sys/reboot.h>
#include <sys/disklabel.h>
#include <sys/kernel.h>
#include <i386/i386/cons.h>
#include <machine/md_var.h>
#include "wd.h"
#include "fd.h"
#include "sd.h"
#include "vn.h"
#include "cd.h"
#include "mcd.h"
#include "scd.h"
#include "matcd.h"
#include "od.h"
/*
* Generic configuration; all in one
*/
dev_t rootdev = NODEV;
dev_t dumpdev = NODEV;
#ifdef notused
int nswap;
struct swdevt swdevt[] = {
{ makedev (0xFF, 0x00000001), 0, 0 },
#if NVN > 0
{ makedev (15, 0x00000001), 0, 0 },
#endif
{ NODEV, 0, 0 }, /* For NFS diskless */
{ NODEV, 0, 0 },
};
int dmmin, dmmax, dmtext;
#endif
#ifdef NFS
extern int (*mountroot) __P((void));
extern int nfs_mountroot __P((void));
#endif
void gets __P((char *));
struct genericconf {
char *gc_name;
dev_t gc_root;
} genericconf[] = {
#if NWD > 0
{ "wd", makedev(0, 0x00000000), },
#endif
#if NFD > 0
{ "fd", makedev(2, 0x00000000), },
#endif
#if NSD > 0
{ "sd", makedev(4, 0x00000000), },
#endif
#if NCD > 0
{ "cd", makedev(6, 0x00000000), },
#endif
#if NMCD > 0
{ "mcd", makedev(7, 0x00000000), },
#endif
#if NSCD > 0
{ "scd", makedev(16,0x00000000), },
#endif
#if NMATCD > 0
{ "matcd", makedev(17,0x00000000), },
#endif
#if NOD > 0
{ "od", makedev(20,0x00000000), },
#endif
{ 0 },
};
void setconf(void)
{
register struct genericconf *gc;
int bd;
int unit, swaponroot = 0;
if (rootdev != NODEV)
return;
if (boothowto & RB_ASKNAME) {
char name[128];
retry:
printf("root device? ");
gets(name);
for (gc = genericconf; gc->gc_name; gc++)
if (gc->gc_name[0] == name[0] &&
gc->gc_name[1] == name[1])
goto gotit;
goto bad;
gotit:
if (name[3] == '*') {
name[3] = name[4];
swaponroot++;
}
if (name[2] >= '0' && name[2] <= '7' && name[3] == 0) {
unit = name[2] - '0';
goto found;
}
printf("bad/missing unit number\n");
bad:
printf("use dk%%d\n");
goto retry;
}
#ifdef NFS
if (mountroot == nfs_mountroot) {
/*
* The NFS code in nfs_vfsops.c handles root and swap
* for us if we're booting diskless. This is just to
* make swapconf() happy.
*/
dumplo = -1;
return;
}
#endif
unit = 0;
for (gc = genericconf; gc->gc_name; gc++) {
for (bd = 0; bd < nblkdev; bd++) {
if (!strcmp(bdevsw[bd]->d_name, gc->gc_name)) {
printf("root on %s0\n", bdevsw[bd]->d_name);
goto found;
}
}
}
printf("no suitable root -- press any key to reboot\n\n");
cngetc();
cpu_reset();
for(;;) ;
found:
gc->gc_root = makedev(major(gc->gc_root), unit * MAXPARTITIONS);
rootdev = gc->gc_root;
}
void gets(cp)
char *cp;
{
register char *lp;
register c;
lp = cp;
for (;;) {
printf("%c", c = cngetc()&0177);
switch (c) {
case -1:
case '\n':
case '\r':
*lp++ = '\0';
return;
case '\b':
case '\177':
if (lp > cp) {
printf(" \b");
lp--;
}
continue;
case '#':
lp--;
if (lp < cp)
lp = cp;
continue;
case '@':
case 'u'&037:
lp = cp;
printf("%c", '\n');
continue;
default:
*lp++ = c;
}
}
}
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