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/* $OpenBSD: devopen.c,v 1.3 2002/06/11 09:36:23 hugh Exp $ */
/* $NetBSD: devopen.c,v 1.10 2002/05/24 21:40:59 ragge Exp $ */
/*
* Copyright (c) 1997 Ludd, University of Lule}, Sweden.
* 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 at Ludd, University of
* Lule}, Sweden and its contributors.
* 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 AUTHOR 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 "lib/libsa/stand.h"
#include "machine/rpb.h"
#include "machine/sid.h"
#include "machine/pte.h"
#define VAX780 1
#include "machine/ka750.h"
#include "arch/vax/bi/bireg.h"
#include "vaxstand.h"
int atoi(char *);
int nexaddr, csrbase;
int
devopen(f, fname, file)
struct open_file *f;
const char *fname;
char **file;
{
int dev, unit, ctlr, part, adapt, i, a[4], x;
int *mapregs;
struct devsw *dp;
extern int cnvtab[];
char *s, *c;
part = 0;
/*
* Adaptor and controller are normally zero (or uninteresting),
* but we need to do some conversion here anyway (if it's a
* manual boot, but that's checked by the device driver).
* Set them to -1 to tell if it's a set number or default.
*/
dev = bootrpb.devtyp;
unit = bootrpb.unit;
adapt = ctlr = -1;
if (dev == BDEV_KDB)
dev = BDEV_UDA; /* use the same driver */
for (i = 0, dp = 0; i < ndevs; i++)
if (cnvtab[i] == dev)
dp = devsw + i;
x = 0;
if ((s = index((char *)fname, '('))) {
*s++ = 0;
for (i = 0, dp = devsw; i < ndevs; i++, dp++)
if (dp->dv_name && strcmp(dp->dv_name, fname) == 0)
break;
if (i == ndevs) {
printf("No such device - Configured devices are:\n");
for (dp = devsw, i = 0; i < ndevs; i++, dp++)
if (dp->dv_name)
printf(" %s", dp->dv_name);
printf("\n");
return -1;
}
dev = cnvtab[i];
if ((c = index(s, ')')) == 0)
goto usage;
*c++ = 0;
if (*s) do {
a[x++] = atoi(s);
while (*s >= '0' && *s <= '9')
s++;
if (*s != ',' && *s != 0)
goto usage;
} while (*s++);
if (x)
part = a[x - 1];
if (x > 1)
unit = a[x - 2];
if (x > 2)
ctlr = a[x - 3];
if (x > 3)
adapt = a[0];
*file = c;
} else {
*file = (char *)fname;
c = (char *)fname;
}
if (!dp->dv_open) {
printf("Can't open device type %d\n", dev);
return(ENODEV);
}
f->f_dev = dp;
bootrpb.unit = unit;
bootrpb.devtyp = dev;
nexaddr = bootrpb.adpphy;
switch (vax_boardtype) {
case VAX_BTYP_750:
csrbase = (nexaddr == 0xf30000 ? 0xffe000 : 0xfbe000);
if (adapt < 0)
break;
nexaddr = (NEX750 + NEXSIZE * adapt);
csrbase = (adapt == 8 ? 0xffe000 : 0xfbe000);
break;
case VAX_BTYP_780:
case VAX_BTYP_790:
csrbase = 0x2007e000 + 0x40000 * ((nexaddr & 0x1e000) >> 13);
if (adapt < 0)
break;
nexaddr = ((int)NEX780 + NEXSIZE * adapt);
csrbase = 0x2007e000 + 0x40000 * adapt;
break;
case VAX_BTYP_9CC: /* 6000/200 */
case VAX_BTYP_9RR: /* 6000/400 */
case VAX_BTYP_1202: /* 6000/500 */
csrbase = 0;
if (ctlr < 0)
ctlr = bootrpb.adpphy & 15;
if (adapt < 0)
adapt = (bootrpb.adpphy >> 4) & 15;
nexaddr = BI_BASE(adapt, ctlr);
break;
case VAX_BTYP_8000:
case VAX_BTYP_8800:
case VAX_BTYP_8PS:
csrbase = 0; /* _may_ be a KDB */
nexaddr = bootrpb.csrphy;
if (ctlr < 0)
break;
if (adapt < 0)
nexaddr = (nexaddr & 0xff000000) + BI_NODE(ctlr);
else
nexaddr = BI_BASE(adapt, ctlr);
break;
case VAX_BTYP_610:
nexaddr = 0; /* No map regs */
csrbase = 0x20000000;
break;
case VAX_BTYP_VXT:
nexaddr = 0;
csrbase = bootrpb.csrphy;
break;
default:
nexaddr = 0; /* No map regs */
csrbase = 0x20000000;
/* Always map in the lowest 4M on qbus-based machines */
mapregs = (void *)0x20088000;
if (bootrpb.adpphy == 0x20087800)
for (i = 0; i < 8192; i++)
mapregs[i] = PG_V | i;
break;
}
#ifdef DEV_DEBUG
printf("rpb.type %d rpb.unit %d rpb.csr %lx rpb.adp %lx\n",
bootrpb.devtyp, bootrpb.unit, bootrpb.csrphy, bootrpb.adpphy);
printf("adapter %d ctlr %d unit %d part %d\n", adapt, ctlr, unit, part);
printf("nexaddr %x csrbase %x\n", nexaddr, csrbase);
#endif
return (*dp->dv_open)(f, adapt, ctlr, unit, part);
usage:
printf("usage: dev(adapter,controller,unit,partition)file -asd\n");
return -1;
}
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