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-rw-r--r--tools/firmware-utils/src/mktplinkfw.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/firmware-utils/src/mktplinkfw.c b/tools/firmware-utils/src/mktplinkfw.c
index fbf89609c2..93db441357 100644
--- a/tools/firmware-utils/src/mktplinkfw.c
+++ b/tools/firmware-utils/src/mktplinkfw.c
@@ -19,6 +19,8 @@
#include <libgen.h>
#include <getopt.h> /* for getopt() */
#include <stdarg.h>
+#include <stdbool.h>
+#include <endian.h>
#include <errno.h>
#include <sys/stat.h>
@@ -123,6 +125,7 @@ static uint32_t reserved_space;
static struct file_info inspect_info;
static int extract = 0;
+static bool endian_swap = false;
static const char md5salt_normal[MD5SUM_LEN] = {
0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
@@ -256,6 +259,7 @@ static void usage(int status)
"\n"
"Options:\n"
" -c use combined kernel image\n"
+" -e swap endianness in kernel load address and entry point\n"
" -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
" -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
" -H <hwid> use hardware id specified with <hwid>\n"
@@ -521,6 +525,11 @@ static void fill_header(char *buf, int len)
);
}
+ if (endian_swap) {
+ hdr->kernel_la = bswap_32(hdr->kernel_la);
+ hdr->kernel_ep = bswap_32(hdr->kernel_ep);
+ }
+
get_md5(buf, len, hdr->md5sum1);
}
@@ -805,7 +814,7 @@ int main(int argc, char *argv[])
while ( 1 ) {
int c;
- c = getopt(argc, argv, "a:H:E:F:L:m:V:N:W:C:ci:k:r:R:o:xX:hsSjv:");
+ c = getopt(argc, argv, "a:H:E:F:L:m:V:N:W:C:ci:k:r:R:o:xX:ehsSjv:");
if (c == -1)
break;
@@ -873,6 +882,9 @@ int main(int argc, char *argv[])
case 'x':
extract = 1;
break;
+ case 'e':
+ endian_swap = true;
+ break;
case 'h':
usage(EXIT_SUCCESS);
break;