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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "serial.h"
#include "error.h"
#include "remote.h"
char *serialdev = "/dev/term/b";
speed_t speed = B230400;
int verbose = 0, docont = 0;
unsigned long addr = 0x10000UL;
int
main(int ac, char **av)
{
int c, sfd, ifd;
char *ifn, *image;
struct stat ist;
if ((pname = strrchr(av[0], '/')) == NULL)
pname = av[0];
else
pname++;
while ((c = getopt(ac, av, "a:b:cp:v")) != EOF)
switch (c) {
case 'a': {
char *ep;
addr = strtol(optarg, &ep, 0);
if (ep == optarg || *ep != '\0')
Error("can't decode address specified in -a option");
break;
}
case 'b':
if ((speed = cvtspeed(optarg)) == B0)
Error("can't decode baud rate specified in -b option");
break;
case 'c':
docont = 1;
break;
case 'p':
serialdev = optarg;
break;
case 'v':
verbose = 1;
break;
default:
usage:
fprintf(stderr,
"Usage: %s [-a addr] [-b bps] [-c] [-p dev] [-v] imagefile\n",
pname);
exit(1);
}
if (optind != ac - 1)
goto usage;
ifn = av[optind++];
if (verbose)
fprintf(stderr, "Opening file and reading image...\n");
if ((ifd = open(ifn, O_RDONLY)) < 0)
Perror("can't open kernel image file '%s'", ifn);
if (fstat(ifd, &ist) < 0)
Perror("fstat '%s' failed", ifn);
if ((image = (char *)malloc(ist.st_size)) == NULL)
Perror("can't allocate %ld bytes for image", ist.st_size);
if ((c = read(ifd, image, ist.st_size)) < 0)
Perror("read of %d bytes from '%s' failed", ist.st_size, ifn);
if (c != ist.st_size)
Error("read of %ld bytes from '%s' failed (%d)", ist.st_size, ifn, c);
if (close(ifd) < 0)
Perror("close of '%s' failed", ifn);
if (verbose)
fprintf(stderr, "Opening serial port and sending image...\n");
if ((sfd = serialopen(serialdev, speed)) < 0)
Perror("open of serial device '%s' failed", serialdev);
remote_desc = sfd;
remote_reset();
remote_write_bytes(addr, image, ist.st_size);
if (docont) {
if (verbose)
fprintf(stderr, "[continue]");
remote_continue();
}
if (serialclose(sfd) < 0)
Perror("close of serial device '%s' failed", serialdev);
if (verbose)
fprintf(stderr, "Done.\n");
return (0);
}
|
