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-rw-r--r--tools/mkimage.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/mkimage.c b/tools/mkimage.c
index e2b82d0c5c..b3b45a47a3 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -183,6 +183,11 @@ main (int argc, char **argv)
genimg_get_arch_id (*++argv)) < 0)
usage ();
goto NXTARG;
+ case 'c':
+ if (--argc <= 0)
+ usage();
+ params.comment = *++argv;
+ goto NXTARG;
case 'C':
if ((--argc <= 0) ||
(params.comp =
@@ -640,9 +645,10 @@ usage ()
fprintf(stderr, " -D => set options for device tree compiler\n"
" -f => input filename for FIT source\n");
#ifdef CONFIG_FIT_SIGNATURE
- fprintf(stderr, "Signing / verified boot options: [-k keydir] [-K dtb]\n"
+ fprintf(stderr, "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>]\n"
" -k => set directory containing private keys\n"
" -K => write public keys to this .dtb file\n"
+ " -c => add comment in signature node\n"
" -F => re-sign existing FIT image\n");
#else
fprintf(stderr, "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
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