xref: /openbmc/u-boot/tools/gdb/gdbsend.c (revision 2dab301c)
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include <fcntl.h>
5 #include <unistd.h>
6 #include <sys/types.h>
7 #include <sys/stat.h>
8 #include "serial.h"
9 #include "error.h"
10 #include "remote.h"
11 
12 char *serialdev = "/dev/term/b";
13 speed_t speed = B230400;
14 int verbose = 0, docont = 0;
15 unsigned long addr = 0x10000UL;
16 
17 int
18 main(int ac, char **av)
19 {
20     int c, sfd, ifd;
21     char *ifn, *image;
22     struct stat ist;
23 
24     if ((pname = strrchr(av[0], '/')) == NULL)
25 	pname = av[0];
26     else
27 	pname++;
28 
29     while ((c = getopt(ac, av, "a:b:cp:v")) != EOF)
30 	switch (c) {
31 
32 	case 'a': {
33 	    char *ep;
34 
35 	    addr = strtol(optarg, &ep, 0);
36 	    if (ep == optarg || *ep != '\0')
37 		Error("can't decode address specified in -a option");
38 	    break;
39 	}
40 
41 	case 'b':
42 	    if ((speed = cvtspeed(optarg)) == B0)
43 		Error("can't decode baud rate specified in -b option");
44 	    break;
45 
46 	case 'c':
47 	    docont = 1;
48 	    break;
49 
50 	case 'p':
51 	    serialdev = optarg;
52 	    break;
53 
54 	case 'v':
55 	    verbose = 1;
56 	    break;
57 
58 	default:
59 	usage:
60 	    fprintf(stderr,
61 		"Usage: %s [-a addr] [-b bps] [-c] [-p dev] [-v] imagefile\n",
62 		pname);
63 	    exit(1);
64 	}
65 
66     if (optind != ac - 1)
67 	goto usage;
68     ifn = av[optind++];
69 
70     if (verbose)
71 	fprintf(stderr, "Opening file and reading image...\n");
72 
73     if ((ifd = open(ifn, O_RDONLY)) < 0)
74 	Perror("can't open kernel image file '%s'", ifn);
75 
76     if (fstat(ifd, &ist) < 0)
77 	Perror("fstat '%s' failed", ifn);
78 
79     if ((image = (char *)malloc(ist.st_size)) == NULL)
80 	Perror("can't allocate %ld bytes for image", ist.st_size);
81 
82     if ((c = read(ifd, image, ist.st_size)) < 0)
83 	Perror("read of %d bytes from '%s' failed", ist.st_size, ifn);
84 
85     if (c != ist.st_size)
86 	Error("read of %ld bytes from '%s' failed (%d)", ist.st_size, ifn, c);
87 
88     if (close(ifd) < 0)
89 	Perror("close of '%s' failed", ifn);
90 
91     if (verbose)
92 	fprintf(stderr, "Opening serial port and sending image...\n");
93 
94     if ((sfd = serialopen(serialdev, speed)) < 0)
95 	Perror("open of serial device '%s' failed", serialdev);
96 
97     remote_desc = sfd;
98     remote_reset();
99     remote_write_bytes(addr, image, ist.st_size);
100 
101     if (docont) {
102 	if (verbose)
103 	    fprintf(stderr, "[continue]");
104 	remote_continue();
105     }
106 
107     if (serialclose(sfd) < 0)
108 	Perror("close of serial device '%s' failed", serialdev);
109 
110     if (verbose)
111 	fprintf(stderr, "Done.\n");
112 
113     return (0);
114 }
115