1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2000
4 * Murray Jensen <Murray.Jensen@csiro.au>
5 */
6
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include <fcntl.h>
11 #include <unistd.h>
12 #include <sys/types.h>
13 #include <sys/stat.h>
14 #include "serial.h"
15 #include "error.h"
16 #include "remote.h"
17
18 char *serialdev = "/dev/term/b";
19 speed_t speed = B230400;
20 int verbose = 0, docont = 0;
21 unsigned long addr = 0x10000UL;
22
23 int
main(int ac,char ** av)24 main(int ac, char **av)
25 {
26 int c, sfd, ifd;
27 char *ifn, *image;
28 struct stat ist;
29
30 if ((pname = strrchr(av[0], '/')) == NULL)
31 pname = av[0];
32 else
33 pname++;
34
35 while ((c = getopt(ac, av, "a:b:cp:v")) != EOF)
36 switch (c) {
37
38 case 'a': {
39 char *ep;
40
41 addr = strtol(optarg, &ep, 0);
42 if (ep == optarg || *ep != '\0')
43 Error("can't decode address specified in -a option");
44 break;
45 }
46
47 case 'b':
48 if ((speed = cvtspeed(optarg)) == B0)
49 Error("can't decode baud rate specified in -b option");
50 break;
51
52 case 'c':
53 docont = 1;
54 break;
55
56 case 'p':
57 serialdev = optarg;
58 break;
59
60 case 'v':
61 verbose = 1;
62 break;
63
64 default:
65 usage:
66 fprintf(stderr,
67 "Usage: %s [-a addr] [-b bps] [-c] [-p dev] [-v] imagefile\n",
68 pname);
69 exit(1);
70 }
71
72 if (optind != ac - 1)
73 goto usage;
74 ifn = av[optind++];
75
76 if (verbose)
77 fprintf(stderr, "Opening file and reading image...\n");
78
79 if ((ifd = open(ifn, O_RDONLY)) < 0)
80 Perror("can't open kernel image file '%s'", ifn);
81
82 if (fstat(ifd, &ist) < 0)
83 Perror("fstat '%s' failed", ifn);
84
85 if ((image = (char *)malloc(ist.st_size)) == NULL)
86 Perror("can't allocate %ld bytes for image", ist.st_size);
87
88 if ((c = read(ifd, image, ist.st_size)) < 0)
89 Perror("read of %d bytes from '%s' failed", ist.st_size, ifn);
90
91 if (c != ist.st_size)
92 Error("read of %ld bytes from '%s' failed (%d)", ist.st_size, ifn, c);
93
94 if (close(ifd) < 0)
95 Perror("close of '%s' failed", ifn);
96
97 if (verbose)
98 fprintf(stderr, "Opening serial port and sending image...\n");
99
100 if ((sfd = serialopen(serialdev, speed)) < 0)
101 Perror("open of serial device '%s' failed", serialdev);
102
103 remote_desc = sfd;
104 remote_reset();
105 remote_write_bytes(addr, image, ist.st_size);
106
107 if (docont) {
108 if (verbose)
109 fprintf(stderr, "[continue]");
110 remote_continue();
111 }
112
113 if (serialclose(sfd) < 0)
114 Perror("close of serial device '%s' failed", serialdev);
115
116 if (verbose)
117 fprintf(stderr, "Done.\n");
118
119 return (0);
120 }
121