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#include <common.h>
#include <command.h>
#include <image.h>
#include <libbb.h>
#include <fcntl.h>
#include <fs.h>
#include <malloc.h>
#include <errno.h>
#include <getopt.h>
static int uimage_fd;
static int uimage_flush(void *buf, unsigned int len)
{
int ret;
ret = write_full(uimage_fd, buf, len);
return ret;
}
static int do_uimage(int argc, char *argv[])
{
struct uimage_handle *handle;
int ret;
int verify = 0;
int fd;
int opt;
char *extract = NULL;
int info = 0;
int image_no = 0;
while ((opt = getopt(argc, argv, "ve:in:")) > 0) {
switch (opt) {
case 'v':
verify = 1;
break;
case 'i':
info = 1;
break;
case 'e':
extract = optarg;
break;
case 'n':
image_no = simple_strtoul(optarg, NULL, 0);
break;
}
}
if (optind == argc)
return COMMAND_ERROR_USAGE;
handle = uimage_open(argv[optind]);
if (!handle)
return 1;
if (info) {
printf("Image at %s:\n", argv[optind]);
uimage_print_contents(handle);
}
if (verify) {
printf("verifying data crc... ");
ret = uimage_verify(handle);
if (ret) {
goto err;
printf("Bad Data CRC\n");
} else {
printf("ok\n");
}
}
if (extract) {
fd = open(extract, O_WRONLY | O_CREAT | O_TRUNC);
if (fd < 0) {
perror("open");
ret = fd;
goto err;
}
uimage_fd = fd;
ret = uimage_load(handle, image_no, uimage_flush);
if (ret) {
printf("loading uImage failed with %d\n", ret);
close(fd);
goto err;
}
close(fd);
}
err:
uimage_close(handle);
return ret ? 1 : 0;
}
BAREBOX_CMD_HELP_START(uimage)
BAREBOX_CMD_HELP_USAGE("uimage [OPTIONS] <file>\n")
BAREBOX_CMD_HELP_OPT ("-i", "show information about image\n")
BAREBOX_CMD_HELP_OPT ("-v", "verify image\n")
BAREBOX_CMD_HELP_OPT ("-e <outfile>", "extract image to <outfile>\n")
BAREBOX_CMD_HELP_OPT ("-n <no>", "use image number <no> in multifile images\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(uimage)
.cmd = do_uimage,
.usage = "extract/verify uImage",
BAREBOX_CMD_HELP(cmd_uimage_help)
BAREBOX_CMD_END
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