fix bootst (sync with sun3 tapeboot)
This commit is contained in:
chuck
parent
09e22de574
commit
9a628842cf
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@ -0,0 +1,75 @@
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/* $NetBSD: boot.c,v 1.1 1996/05/28 15:23:53 chuck Exp $ */
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/*-
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)boot.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <machine/prom.h>
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#include "stand.h"
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#include "libsa.h"
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int debug;
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int errno;
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extern char *version;
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char defname[32] = "2";
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char line[80];
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main()
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{
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char *cp, *file;
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int io, flag;
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printf(">> BSD MVME%x tapeboot [%s]\n", bugargs.cputyp, version);
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parse_args(&file, &flag);
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file = defname; /* override */
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if (flag & RB_ASKNAME) {
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printf("tapeboot: segment? [%s] ", defname);
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gets(line);
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if (line[0])
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file = line;
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}
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exec_mvme(file, flag);
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printf("tapeboot: %s: %s\n", file, strerror(errno));
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return(0);
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}
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@ -0,0 +1,20 @@
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/* $NetBSD: conf.c,v 1.1 1996/05/28 15:23:54 chuck Exp $ */
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#include <stand.h>
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#include <rawfs.h>
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#include <dev_tape.h>
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struct fs_ops file_system[] = {
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{
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rawfs_open, rawfs_close, rawfs_read,
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rawfs_write, rawfs_seek, rawfs_stat,
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},
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};
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int nfsys = 1;
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struct devsw devsw[] = {
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{ "tape", tape_strategy, tape_open, tape_close, tape_ioctl },
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};
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int ndevs = 1;
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int debug;
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@ -0,0 +1,163 @@
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/* $NetBSD: dev_tape.c,v 1.1 1996/05/28 15:23:55 chuck Exp $ */
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/*
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* Copyright (c) 1993 Paul Kranenburg
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This module implements a "raw device" interface suitable for
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* use by the stand-alone I/O library UFS file-system code, and
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* possibly for direct access (i.e. boot from tape).
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*/
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#include <sys/types.h>
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#include <machine/prom.h>
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#include "stand.h"
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#include "libsa.h"
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extern int debug;
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struct mvmeprom_dskio tape_ioreq;
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/*
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* This is a special version of devopen() for tape boot.
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* In this version, the file name is a numeric string of
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* one digit, which is passed to the device open so it
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* can open the appropriate tape segment.
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*/
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int
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devopen(f, fname, file)
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struct open_file *f;
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const char *fname; /* normally "1" */
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char **file;
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{
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struct devsw *dp;
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int error;
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*file = (char*)fname;
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dp = &devsw[0];
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f->f_dev = dp;
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/* The following will call tape_open() */
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return (dp->dv_open(f, fname));
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}
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int
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tape_open(f, fname)
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struct open_file *f;
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char *fname; /* partition number, i.e. "1" */
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{
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int error, part;
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struct mvmeprom_dskio *ti;
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/*
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* Set the tape segment number to the one indicated
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* by the single digit fname passed in above.
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*/
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if ((fname[0] < '0') && (fname[0] > '9')) {
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return ENOENT;
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}
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part = fname[0] - '0';
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/*
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* Setup our part of the saioreq.
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* (determines what gets opened)
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*/
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ti = &tape_ioreq;
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bzero((caddr_t)ti, sizeof(*ti));
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ti->ctrl_lun = bugargs.ctrl_lun;
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ti->dev_lun = bugargs.dev_lun;
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ti->status = 0;
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ti->pbuffer = NULL;
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ti->blk_num = part;
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ti->blk_cnt = 0;
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ti->flag = 0;
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ti->addr_mod = 0;
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f->f_devdata = ti;
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return (error);
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}
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int
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tape_close(f)
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struct open_file *f;
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{
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struct mvmeprom_dskio *ti;
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ti = f->f_devdata;
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f->f_devdata = NULL;
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return 0;
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}
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#define MVMEPROM_SCALE (512/MVMEPROM_BLOCK_SIZE)
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int
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tape_strategy(devdata, flag, dblk, size, buf, rsize)
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void *devdata;
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int flag;
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daddr_t dblk;
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u_int size;
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char *buf;
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u_int *rsize;
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{
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struct mvmeprom_dskio *ti;
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int ret;
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ti = devdata;
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if (flag != F_READ)
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return(EROFS);
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ti->status = 0;
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ti->pbuffer = buf;
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/* don't change block #, set in open */
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ti->blk_cnt = size / (512 / MVMEPROM_SCALE);
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ret = mvmeprom_diskrd(ti);
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if (ret != 0)
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return (EIO);
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*rsize = (ti->blk_cnt / MVMEPROM_SCALE) * 512;
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ti->flag |= IGNORE_FILENUM; /* ignore next time */
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return (0);
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}
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int
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tape_ioctl()
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{
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return EIO;
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}
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@ -0,0 +1,6 @@
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int tape_open __P((struct open_file *, ...));
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int tape_close __P((struct open_file *));
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int tape_strategy __P((void *, int, daddr_t, size_t, void *, size_t *));
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int tape_ioctl();
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@ -0,0 +1,180 @@
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/* $NetBSD: rawfs.c,v 1.1 1996/05/28 15:23:56 chuck Exp $ */
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/*
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* Copyright (c) 1995 Gordon W. Ross
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* 4. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Gordon W. Ross
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Raw file system - for stream devices like tapes.
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* No random access, only sequential read allowed.
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* This exists only to allow upper level code to be
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* shielded from the fact that the device must be
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* read only with whole block position and size.
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*/
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#include <sys/param.h>
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#include <stand.h>
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#include <rawfs.h>
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extern int debug;
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#define RAWFS_BSIZE 512
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/*
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* In-core open file.
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*/
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struct file {
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daddr_t fs_nextblk; /* block number to read next */
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int fs_len; /* amount left in f_buf */
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char * fs_ptr; /* read pointer into f_buf */
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char fs_buf[RAWFS_BSIZE];
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};
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static int
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rawfs_get_block __P((struct open_file *));
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int rawfs_open(path, f)
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char *path;
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struct open_file *f;
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{
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struct file *fs;
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/*
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* The actual PROM driver has already been opened.
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* Just allocate the I/O buffer, etc.
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*/
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fs = alloc(sizeof(struct file));
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fs->fs_nextblk = 0;
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fs->fs_len = 0;
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fs->fs_ptr = fs->fs_buf;
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f->f_fsdata = fs;
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return (0);
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}
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int rawfs_close(f)
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struct open_file *f;
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{
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struct file *fs;
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fs = (struct file *) f->f_fsdata;
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f->f_fsdata = (void *)0;
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if (fs != (struct file *)0)
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free(fs, sizeof(*fs));
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return (0);
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}
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int rawfs_read(f, start, size, resid)
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struct open_file *f;
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void *start;
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u_int size;
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u_int *resid;
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{
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struct file *fs = (struct file *)f->f_fsdata;
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char *addr = start;
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int error = 0;
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size_t csize;
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while (size != 0) {
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if (fs->fs_len == 0)
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if ((error = rawfs_get_block(f)) != 0)
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break;
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if (fs->fs_len <= 0)
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break; /* EOF */
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csize = size;
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if (csize > fs->fs_len)
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csize = fs->fs_len;
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bcopy(fs->fs_ptr, addr, csize);
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fs->fs_ptr += csize;
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fs->fs_len -= csize;
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addr += csize;
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size -= csize;
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}
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if (resid)
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*resid = size;
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return (error);
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}
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int rawfs_write(f, start, size, resid)
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struct open_file *f;
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void *start;
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size_t size;
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size_t *resid; /* out */
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{
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return (EROFS);
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}
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off_t rawfs_seek(f, offset, where)
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struct open_file *f;
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off_t offset;
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int where;
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{
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return (EFTYPE);
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}
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int rawfs_stat(f, sb)
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struct open_file *f;
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struct stat *sb;
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{
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return (EFTYPE);
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}
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/*
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* Read a block from the underlying stream device
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* (In our case, a tape drive.)
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*/
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static int
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rawfs_get_block(f)
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struct open_file *f;
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{
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struct file *fs;
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int error, len;
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fs = (struct file *)f->f_fsdata;
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fs->fs_ptr = fs->fs_buf;
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twiddle();
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error = f->f_dev->dv_strategy(f->f_devdata, F_READ,
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fs->fs_nextblk, RAWFS_BSIZE, fs->fs_buf, &len);
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if (!error) {
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fs->fs_len = len;
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fs->fs_nextblk += (RAWFS_BSIZE / DEV_BSIZE);
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}
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return (error);
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}
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@ -0,0 +1,15 @@
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/* $NetBSD: rawfs.h,v 1.1 1996/05/28 15:24:00 chuck Exp $ */
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/*
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* Raw file system - for stream devices like tapes.
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* No random access, only sequential read allowed.
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*/
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int rawfs_open __P((char *path, struct open_file *f));
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int rawfs_close __P((struct open_file *f));
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int rawfs_read __P((struct open_file *f, void *buf,
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u_int size, u_int *resid));
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int rawfs_write __P((struct open_file *f, void *buf,
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u_int size, u_int *resid));
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off_t rawfs_seek __P((struct open_file *f, off_t offset, int where));
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int rawfs_stat __P((struct open_file *f, struct stat *sb));
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@ -0,0 +1,8 @@
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/* $OpenBSD: version.c,v 1.1 1996/05/28 15:16:55 chuck Exp $ */
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/*
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* make a random change to this file when you want the bootblock
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* revision to increase. like change this x to a z, or something.
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*/
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char *version = "$Revision: 1.1 $";
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