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
|
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#define __DBINTERFACE_PRIVATE
#include <db.h>
#include <machine/disklabel.h>
main(argc, argv)
int argc;
char **argv;
{
struct cpu_disklabel *pcpul;
struct stat stat;
int exe_file;
int tape_vid;
int tape_exe;
unsigned int exe_addr;
unsigned short exe_addr_u;
unsigned short exe_addr_l;
char *filename;
char fileext[256];
char filebase[256];
if (argc == 0)
filename = "a.out";
else
filename = argv[1];
exe_file = open(filename, O_RDONLY,0444);
if (exe_file == -1) {
perror(filename);
exit(2);
}
sprintf(fileext, "%c%cboot", filename[4], filename[5]);
tape_vid = open(fileext, O_WRONLY|O_CREAT|O_TRUNC, 0644);
sprintf(fileext, "boot%c%c", filename[4], filename[5]);
tape_exe = open(fileext, O_WRONLY|O_CREAT|O_TRUNC,0644);
pcpul = (struct cpu_disklabel *)malloc(sizeof(struct cpu_disklabel));
bzero(pcpul, sizeof(struct cpu_disklabel));
strcpy(pcpul->vid_id, "NBSD");
fstat(exe_file, &stat);
/* size in 256 byte blocks round up after a.out header removed */
if (filename[5] == 't' ) {
pcpul->vid_oss = 1;
}else {
pcpul->vid_oss = 2;
}
pcpul->vid_osl = (((stat.st_size -0x20) +511) / 512) *2;
lseek(exe_file, 0x14, SEEK_SET);
read(exe_file, &exe_addr, 4);
/* check this, it may not work in both endian. */
{
union {
struct s {
unsigned short s1;
unsigned short s2;
} s;
unsigned long l;
} a;
a.l = exe_addr;
pcpul->vid_osa_u = a.s.s1;
pcpul->vid_osa_l = a.s.s2;
}
pcpul->vid_cas = 1;
pcpul->vid_cal = 1;
/* do not want to write past end of structure, not null terminated */
strncpy(pcpul->vid_mot, "MOTOROLA", 8);
if (BYTE_ORDER != BIG_ENDIAN)
swabvid(pcpul);
pcpul->cfg_rec = 0x100;
pcpul->cfg_psm = 0x200;
if (BYTE_ORDER != BIG_ENDIAN)
swabcfg(pcpul);
write(tape_vid, pcpul, sizeof(struct cpu_disklabel));
free(pcpul);
copy_exe(exe_file, tape_exe);
close(exe_file);
close(tape_vid);
close(tape_exe);
return (0);
}
#define BUF_SIZ 512
copy_exe(exe_file, tape_exe)
int exe_file, tape_exe;
{
char *buf;
int cnt = 0;
buf = (char *)malloc(BUF_SIZ);
lseek (exe_file, 0x20, SEEK_SET);
while (BUF_SIZ == (cnt = read(exe_file, buf, BUF_SIZ))) {
write(tape_exe, buf, cnt);
}
bzero(&buf[cnt], BUF_SIZ-cnt);
write(tape_exe, buf, BUF_SIZ);
}
swabvid(pcpul)
struct cpu_disklabel *pcpul;
{
M_32_SWAP(pcpul->vid_oss);
M_16_SWAP(pcpul->vid_osl);
/*
M_16_SWAP(pcpul->vid_osa_u);
M_16_SWAP(pcpul->vid_osa_l);
*/
M_32_SWAP(pcpul->vid_cas);
}
swabcfg(pcpul)
struct cpu_disklabel *pcpul;
{
M_16_SWAP(pcpul->cfg_atm);
M_16_SWAP(pcpul->cfg_prm);
M_16_SWAP(pcpul->cfg_atm);
M_16_SWAP(pcpul->cfg_rec);
M_16_SWAP(pcpul->cfg_trk);
M_16_SWAP(pcpul->cfg_psm);
M_16_SWAP(pcpul->cfg_shd);
M_16_SWAP(pcpul->cfg_pcom);
M_16_SWAP(pcpul->cfg_rwcc);
M_16_SWAP(pcpul->cfg_ecc);
M_16_SWAP(pcpul->cfg_eatm);
M_16_SWAP(pcpul->cfg_eprm);
M_16_SWAP(pcpul->cfg_eatw);
M_16_SWAP(pcpul->cfg_rsvc1);
M_16_SWAP(pcpul->cfg_rsvc2);
}
|
