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mktplinkfw: add option to strip padding from the end of the image

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SVN-Revision: 20120
This commit is contained in:
Gabor Juhos 2010-03-10 17:41:50 +00:00
parent 9daf566ddc
commit c07fdecea8
1 changed files with 15 additions and 3 deletions
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18
tools/firmware-utils/src/mktplinkfw.c
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@ -95,6 +95,7 @@ static struct file_info kernel_info;
static struct file_info rootfs_info; static struct file_info rootfs_info;
static struct file_info boot_info; static struct file_info boot_info;
static int combined; static int combined;
static int strip_padding;
char md5salt_normal[MD5SUM_LEN] = { char md5salt_normal[MD5SUM_LEN] = {
0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb, 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
@ -218,6 +219,7 @@ static void usage(int status)
" -k <file> read kernel image from the file <file>\n" " -k <file> read kernel image from the file <file>\n"
" -r <file> read rootfs image from the file <file>\n" " -r <file> read rootfs image from the file <file>\n"
" -o <file> write output to the file <file>\n" " -o <file> write output to the file <file>\n"
" -s strip padding from the end of the image\n"
" -N <vendor> set image vendor to <vendor>\n" " -N <vendor> set image vendor to <vendor>\n"
" -V <version> set image version to <version>\n" " -V <version> set image version to <version>\n"
" -h show this screen\n" " -h show this screen\n"
@ -407,6 +409,7 @@ static int build_fw(void)
char *buf; char *buf;
char *p; char *p;
int ret = EXIT_FAILURE; int ret = EXIT_FAILURE;
int writelen = 0;
buflen = board->fw_max_len; buflen = board->fw_max_len;
@ -422,16 +425,22 @@ static int build_fw(void)
if (ret) if (ret)
goto out_free_buf; goto out_free_buf;
writelen = kernel_info.file_size;
if (!combined) { if (!combined) {
p = buf + board->rootfs_ofs; p = buf + board->rootfs_ofs;
ret = read_to_buf(&rootfs_info, p); ret = read_to_buf(&rootfs_info, p);
if (ret) if (ret)
goto out_free_buf; goto out_free_buf;
writelen = board->rootfs_ofs + rootfs_info.file_size;
} }
fill_header(buf, buflen); if (!strip_padding)
writelen = buflen;
ret = write_fw(buf, buflen); fill_header(buf, writelen);
ret = write_fw(buf, writelen);
if (ret) if (ret)
goto out_free_buf; goto out_free_buf;
@ -455,7 +464,7 @@ int main(int argc, char *argv[])
while ( 1 ) { while ( 1 ) {
int c; int c;
c = getopt(argc, argv, "B:V:N:ck:r:o:h"); c = getopt(argc, argv, "B:V:N:ck:r:o:hs");
if (c == -1) if (c == -1)
break; break;
@ -481,6 +490,9 @@ int main(int argc, char *argv[])
case 'o': case 'o':
ofname = optarg; ofname = optarg;
break; break;
case 's':
strip_padding = 1;
break;
case 'h': case 'h':
usage(EXIT_SUCCESS); usage(EXIT_SUCCESS);
break; break;