5 * SPDX-License-Identifier: GPL-2.0+
13 #include <sys/types.h>
19 char *serialdev = "/dev/term/b";
20 speed_t speed = B230400;
21 int verbose = 0, docont = 0;
22 unsigned long addr = 0x10000UL;
25 main(int ac, char **av)
31 if ((pname = strrchr(av[0], '/')) == NULL)
36 while ((c = getopt(ac, av, "a:b:cp:v")) != EOF)
42 addr = strtol(optarg, &ep, 0);
43 if (ep == optarg || *ep != '\0')
44 Error("can't decode address specified in -a option");
49 if ((speed = cvtspeed(optarg)) == B0)
50 Error("can't decode baud rate specified in -b option");
68 "Usage: %s [-a addr] [-b bps] [-c] [-p dev] [-v] imagefile\n",
78 fprintf(stderr, "Opening file and reading image...\n");
80 if ((ifd = open(ifn, O_RDONLY)) < 0)
81 Perror("can't open kernel image file '%s'", ifn);
83 if (fstat(ifd, &ist) < 0)
84 Perror("fstat '%s' failed", ifn);
86 if ((image = (char *)malloc(ist.st_size)) == NULL)
87 Perror("can't allocate %ld bytes for image", ist.st_size);
89 if ((c = read(ifd, image, ist.st_size)) < 0)
90 Perror("read of %d bytes from '%s' failed", ist.st_size, ifn);
93 Error("read of %ld bytes from '%s' failed (%d)", ist.st_size, ifn, c);
96 Perror("close of '%s' failed", ifn);
99 fprintf(stderr, "Opening serial port and sending image...\n");
101 if ((sfd = serialopen(serialdev, speed)) < 0)
102 Perror("open of serial device '%s' failed", serialdev);
106 remote_write_bytes(addr, image, ist.st_size);
110 fprintf(stderr, "[continue]");
114 if (serialclose(sfd) < 0)
115 Perror("close of serial device '%s' failed", serialdev);
118 fprintf(stderr, "Done.\n");