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/* $OpenBSD: dev_hppa.c,v 1.12 2010/12/06 18:44:49 jasper Exp $ */
/*
* Copyright (c) 1998-2004 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.
*
* 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 AUTHOR OR HIS RELATIVES 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 MIND, 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 <sys/param.h>
#include <sys/disklabel.h>
#include <sys/reboot.h>
#include <dev/cons.h>
#include <machine/iomod.h>
#include "dev_hppa.h"
extern int debug;
const char cdevs[][4] = {
"ite", "", "", "", "", "", "", "",
"", "", "", "", ""
};
const int ncdevs = nitems(cdevs);
const struct pdc_devs {
char name[3];
int dev_type;
} pdc_devs[] = {
{ "dk", 0 },
{ "ct", 1 },
{ "lf", 2 },
{ "", -1 },
{ "rd", -1 },
{ "sw", -1 },
{ "fl", -1 },
};
/* pass dev_t to the open routines */
int
devopen(f, fname, file)
struct open_file *f;
const char *fname;
char **file;
{
struct hppa_dev *hpd;
const struct pdc_devs *dp = pdc_devs;
int rc = 1;
if (!(*file = strchr(fname, ':')))
return ENODEV;
else
(*file)++;
#ifdef DEBUGBUG
if (debug)
printf("devopen: ");
#endif
for (dp = pdc_devs; dp < &pdc_devs[nitems(pdc_devs)]; dp++)
if (!strncmp(fname, dp->name, sizeof(dp->name)-1))
break;
if (dp >= &pdc_devs[nitems(pdc_devs)] || dp->dev_type < 0)
return ENODEV;
#ifdef DEBUGBUG
if (debug)
printf("%s\n", dp->name);
#endif
if (!(hpd = alloc(sizeof *hpd))) {
#ifdef DEBUG
printf ("devopen: no mem\n");
#endif
} else {
bzero(hpd, sizeof *hpd);
hpd->bootdev = bootdev;
hpd->buf = (char *)(((u_int)hpd->ua_buf + IODC_MINIOSIZ-1) &
~(IODC_MINIOSIZ-1));
f->f_devdata = hpd;
if ((rc = (*devsw[dp->dev_type].dv_open)(f, file)) == 0) {
f->f_dev = &devsw[dp->dev_type];
return 0;
}
free (hpd, 0);
f->f_devdata = NULL;
}
if (!(f->f_flags & F_NODEV))
f->f_dev = &devsw[dp->dev_type];
if (!f->f_devdata)
*file = NULL;
return rc;
}
void
devboot(dev, p)
dev_t dev;
char *p;
{
const char *q;
int unit;
if (!dev) {
int type;
switch (PAGE0->mem_boot.pz_class) {
case PCL_RANDOM:
type = 0;
unit = PAGE0->mem_boot.pz_layers[0];
break;
case PCL_SEQU:
type = 1;
unit = PAGE0->mem_boot.pz_layers[0];
break;
case PCL_NET_MASK|PCL_SEQU:
type = 2;
unit = 0;
break;
default:
type = 0;
unit = 0;
break;
}
dev = bootdev = MAKEBOOTDEV(type, 0, 0, unit, B_PARTITION(dev));
}
#ifdef _TEST
*p++ = '/';
*p++ = 'd';
*p++ = 'e';
*p++ = 'v';
*p++ = '/';
*p++ = 'r';
#endif
/* quick copy device name */
for (q = pdc_devs[B_TYPE(dev)].name; (*p++ = *q++););
unit = B_UNIT(dev);
if (unit >= 10) {
p[-1] = '0' + unit / 10;
*p++ = '0' + (unit % 10);
} else
p[-1] = '0' + unit;
*p++ = 'a' + B_PARTITION(dev);
*p = '\0';
}
int pch_pos;
void
putchar(c)
int c;
{
switch(c) {
case '\177': /* DEL erases */
cnputc('\b');
cnputc(' ');
case '\b':
cnputc('\b');
if (pch_pos)
pch_pos--;
break;
case '\t':
do
cnputc(' ');
while(++pch_pos % 8);
break;
case '\n':
case '\r':
cnputc(c);
pch_pos=0;
break;
default:
cnputc(c);
pch_pos++;
break;
}
}
int
getchar()
{
int c = cngetc();
if (c == '\r')
c = '\n';
if ((c < ' ' && c != '\n') || c == '\177')
return(c);
putchar(c);
return(c);
}
char ttyname_buf[8];
char *
ttyname(fd)
int fd;
{
snprintf(ttyname_buf, sizeof ttyname_buf, "%s%d",
cdevs[major(cn_tab->cn_dev)],
minor(cn_tab->cn_dev));
return (ttyname_buf);
}
dev_t
ttydev(name)
char *name;
{
int i, unit = -1;
char *no = name + strlen(name) - 1;
while (no >= name && *no >= '0' && *no <= '9')
unit = (unit < 0 ? 0 : (unit * 10)) + *no-- - '0';
if (no < name || unit < 0)
return (NODEV);
for (i = 0; i < ncdevs; i++)
if (strncmp(name, cdevs[i], no - name + 1) == 0)
return (makedev(i, unit));
return (NODEV);
}
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