1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/* $NetBSD: test.c,v 1.2 1994/10/26 08:25:59 cgd Exp $ */
/*-
* Copyright (c) 1994 Philip L. Budne.
* 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 Philip L. Budne.
* 4. The name of Philip L. Budne may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY PHILIP BUDNE ``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 PHILIP BUDNE 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.
*/
/*-
* Allow test of "boot" (and presumably other "stand" utils)
* under user mode.
*
* Phil Budne <phil@ultimate.com> May 10, 1994
*/
/* my /sys/sys/syscall.h is out of sync w.r.t. lseek?? */
#include "/usr/include/sys/syscall.h"
#include <sys/types.h>
extern int errno;
int testing = 1;
int bootdev;
int howto;
_open( char *fname, int mode )
{
return syscall( SYS_open, fname, mode );
}
_read( int fd, char *buf, int len )
{
return syscall( SYS_read, fd, buf, len );
}
_write( int fd, char *buf, int len )
{
return syscall( SYS_write, fd, buf, len );
}
/*
* I'd like to strangle the jerk who thought it
* was a cool idea to change lseek, rather than creating
* a new "qseek" to handle long long offsets
*/
_lseek( int fd, off_t pos, int whence )
{
return syscall( SYS_lseek, fd, 0, pos, whence );
}
int fd = -1;
opendisk(int unit)
{
char fname[32];
static int _unit = -1;
if (unit == _unit)
return;
if (fd >= 0) {
close(fd);
fd = -1;
}
_unit = unit;
#if 0
sprintf( fname, "/dev/r%s%dc", "sd", unit );
#else
strcpy( fname, "/dev/rsd0c" );
#endif
fd = _open( fname, 0 );
if (fd < 0) {
printf("open %s failed\n", fname );
return;
}
printf("opened %s (fd %d)\n", fname, fd );
}
void
bzero( char *addr, int len )
{
while (len-- > 0)
*addr++ = '\0';
}
/* XXX TEMP; would like to use code more like hp300 scsi.c */
void
scsiinit(void)
{
}
int
scsialive(int ctlr)
{
return 1; /* controller always alive! */
}
#define BPS 512
scsi_tt_read(ctlr, slave, buf, len, blk, nblk)
char *buf;
{
int pos;
#if 0
printf("scsi_tt_read(ctlr %d, slave %d, buf 0x%x, len %d, blk %d, nblk %d)\n",
ctlr, slave, buf, len, blk, nblk);
#endif
opendisk(slave);
pos = _lseek( fd, blk * BPS, 0 );
if (pos != blk * BPS) {
printf("lseek pos %d error %d\n", pos, errno );
return errno;
}
if (_read( fd, buf, nblk * BPS ) != nblk * BPS) {
printf("read errno %d\n", errno );
return errno;
}
return 0;
}
scsi_tt_write()
{
return -1;
}
#include <sys/types.h>
#include <dev/cons.h>
scnprobe(cp)
struct consdev *cp;
{
/* the only game in town */
cp->cn_pri = CN_NORMAL; /* XXX remote? */
}
scninit(cp)
struct consdev *cp;
{
}
scnputchar(c)
int c;
{
char c2;
c2 = c;
_write(0, &c2, 1);
}
scngetchar()
{
char c;
_read(0, &c, 1);
return c;
}
_rtt() {
syscall( SYS_exit, 1 );
}
alloc(int size)
{
return malloc(size);
}
|
