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/* $OpenBSD: dev_i386.c,v 1.12 1997/06/06 16:26:57 kstailey Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
* All rights reserved.
*
* 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 Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
*
*/
#include <libsa.h>
#include "biosdev.h"
extern int debug;
/* XXX use slot for 'rd' for 'hd' pseudo-device */
const char bdevs[19][4] = {
"wd", "", "fd", "wt", "sd", "st", "cd", "mcd",
"", "", "", "", "", "", "", "scd", "", "hd", "acd"
};
/* pass dev_t to the open routines */
int
devopen(struct open_file *f, const char *fname, char **file)
{
struct devsw *dp = devsw;
register int i, rc = 1;
*file = (char *)fname;
#ifdef DEBUG
if (debug)
printf("devopen:");
#endif
for (i = 0; i < ndevs && rc != 0; dp++, i++) {
#ifdef DEBUG
if (debug)
printf(" %s", dp->dv_name);
#endif
if ((rc = (*dp->dv_open)(f, file)) == 0) {
f->f_dev = dp;
return 0;
}
#ifdef DEBUG
else if (debug)
printf(":%d", rc);
#endif
}
#ifdef DEBUG
if (debug)
putchar('\n');
#endif
if ((f->f_flags & F_NODEV) == 0)
f->f_dev = dp;
return rc;
}
void
devboot(bootdev, p)
dev_t bootdev;
char *p;
{
#ifdef _TEST
*p++ = '/';
*p++ = 'd';
*p++ = 'e';
*p++ = 'v';
*p++ = '/';
*p++ = 'r';
#endif
if (bootdev & 0x80)
*p++ = 'h';
else
*p++ = 'f';
*p++ = 'd';
*p++ = '0' + (bootdev & 0x7f);
*p++ = 'a';
*p = '\0';
}
void
putchar(c)
int c;
{
static int pos = 0;
switch(c) {
case '\177': /* DEL erases */
putc('\b');
putc(' ');
putc('\b');
break;
case '\t':
do
putc(' ');
while(++pos % 8);
break;
case '\n':
putc('\r');
case '\r':
putc(c);
pos=0;
break;
default:
putc(c);
pos++;
break;
}
}
int
getchar()
{
int c = getc();
if (c == '\b' || c == '\177')
return(c);
if (c == '\r')
c = '\n';
putchar(c);
return(c);
}
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