diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-10-07 15:01:05 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-10-07 15:01:05 +0000 |
commit | 4308b64aef95db99453dc91b9bbb04f8ac91e3d4 (patch) | |
tree | f7681f2f5824f262e89543248670b030e899a187 /tools/firmware-utils | |
parent | 0aeca7a50197cb3a17e254df723290f5be4d37fa (diff) |
tools: add tool to generate dcs93xl images
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38317 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'tools/firmware-utils')
-rw-r--r-- | tools/firmware-utils/Makefile | 1 | ||||
-rw-r--r-- | tools/firmware-utils/src/mkdcs932.c | 39 |
2 files changed, 40 insertions, 0 deletions
diff --git a/tools/firmware-utils/Makefile b/tools/firmware-utils/Makefile index 45690f5949..770fcf5fd4 100644 --- a/tools/firmware-utils/Makefile +++ b/tools/firmware-utils/Makefile @@ -65,6 +65,7 @@ define Host/Compile $(call cc,fix-u-media-header cyg_crc32,-Wall) $(call cc,hcsmakeimage bcmalgo) $(call cc,mkporayfw, -Wall) + $(call cc,mkdcs932, -Wall) endef define Host/Install diff --git a/tools/firmware-utils/src/mkdcs932.c b/tools/firmware-utils/src/mkdcs932.c new file mode 100644 index 0000000000..28c67aa3b3 --- /dev/null +++ b/tools/firmware-utils/src/mkdcs932.c @@ -0,0 +1,39 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License, + * version 2 as published by the Free Software Foundation. + * + * (C) John Crispin <blogic@openwrt.org> + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdint.h> +#include <unistd.h> +#include <errno.h> + +int main(int argc, char **argv) +{ + uint32_t t = 0, sum = 0x55aa55aa; + int fd; + + if ((argc != 2) || ((fd = open(argv[1], O_RDWR)) == -1)) { + fprintf(stderr, "Usage: %s input_file\n", *argv); + return -EINVAL; + } + + lseek(fd, -4, SEEK_END); + write(fd, &t, 4); + lseek(fd, 0, SEEK_SET); + + while (read(fd, &t, 4) > 0) + sum -= t; + + lseek(fd, -4, SEEK_END); + write(fd, &sum, 4); + close(fd); + + return 0; +} |