192 lines
4.0 KiB
C
192 lines
4.0 KiB
C
/* $NetBSD: test.c,v 1.2 1994/10/26 08:25:59 cgd Exp $ */
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/*-
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* Copyright (c) 1994 Philip L. Budne.
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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 Philip L. Budne.
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* 4. The name of Philip L. Budne may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PHILIP BUDNE ``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 PHILIP BUDNE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Allow test of "boot" (and presumably other "stand" utils)
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* under user mode.
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*
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* Phil Budne <phil@ultimate.com> May 10, 1994
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*/
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/* my /sys/sys/syscall.h is out of sync w.r.t. lseek?? */
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#include "/usr/include/sys/syscall.h"
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#include <sys/types.h>
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extern int errno;
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int testing = 1;
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int bootdev;
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int howto;
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_open( char *fname, int mode )
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{
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return syscall( SYS_open, fname, mode );
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}
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_read( int fd, char *buf, int len )
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{
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return syscall( SYS_read, fd, buf, len );
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}
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_write( int fd, char *buf, int len )
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{
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return syscall( SYS_write, fd, buf, len );
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}
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/*
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* I'd like to strangle the jerk who thought it
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* was a cool idea to change lseek, rather than creating
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* a new "qseek" to handle long long offsets
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*/
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_lseek( int fd, off_t pos, int whence )
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{
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return syscall( SYS_lseek, fd, 0, pos, whence );
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}
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int fd = -1;
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opendisk(int unit)
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{
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char fname[32];
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static int _unit = -1;
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if (unit == _unit)
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return;
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if (fd >= 0) {
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close(fd);
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fd = -1;
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}
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_unit = unit;
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#if 0
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sprintf( fname, "/dev/r%s%dc", "sd", unit );
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#else
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strcpy( fname, "/dev/rsd0c" );
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#endif
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fd = _open( fname, 0 );
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if (fd < 0) {
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printf("open %s failed\n", fname );
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return;
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}
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printf("opened %s (fd %d)\n", fname, fd );
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}
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void
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bzero( char *addr, int len )
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{
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while (len-- > 0)
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*addr++ = '\0';
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}
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/* XXX TEMP; would like to use code more like hp300 scsi.c */
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void
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scsiinit(void)
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{
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}
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int
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scsialive(int ctlr)
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{
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return 1; /* controller always alive! */
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}
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#define BPS 512
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scsi_tt_read(ctlr, slave, buf, len, blk, nblk)
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char *buf;
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{
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int pos;
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#if 0
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printf("scsi_tt_read(ctlr %d, slave %d, buf 0x%x, len %d, blk %d, nblk %d)\n",
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ctlr, slave, buf, len, blk, nblk);
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#endif
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opendisk(slave);
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pos = _lseek( fd, blk * BPS, 0 );
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if (pos != blk * BPS) {
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printf("lseek pos %d error %d\n", pos, errno );
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return errno;
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}
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if (_read( fd, buf, nblk * BPS ) != nblk * BPS) {
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printf("read errno %d\n", errno );
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return errno;
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}
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return 0;
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}
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scsi_tt_write()
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{
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return -1;
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}
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#include <sys/types.h>
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#include <dev/cons.h>
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scnprobe(cp)
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struct consdev *cp;
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{
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/* the only game in town */
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cp->cn_pri = CN_NORMAL; /* XXX remote? */
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}
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scninit(cp)
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struct consdev *cp;
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{
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}
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scnputchar(c)
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int c;
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{
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char c2;
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c2 = c;
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_write(0, &c2, 1);
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}
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scngetchar()
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{
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char c;
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_read(0, &c, 1);
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return c;
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}
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_rtt() {
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syscall( SYS_exit, 1 );
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}
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alloc(int size)
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{
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return malloc(size);
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}
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