mkimage: Add -k option to specify key directory

[kernel/u-boot.git] / tools / mkimage.c

diff --git a/tools/mkimage.c b/tools/mkimage.c
index e43b09f..def7df2 100644 (file)
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -248,6 +248,11 @@ main (int argc, char **argv)
                                params.datafile = *++argv;
                                params.fflag = 1;
                                goto NXTARG;
+                       case 'k':
+                               if (--argc <= 0)
+                                       usage();
+                               params.keydir = *++argv;
+                               goto NXTARG;
                        case 'n':
                                if (--argc <= 0)
                                        usage ();
@@ -623,8 +628,16 @@ usage ()
                         "          -d ==> use image data from 'datafile'\n"
                         "          -x ==> set XIP (execute in place)\n",
                params.cmdname);
-       fprintf (stderr, "       %s [-D dtc_options] -f fit-image.its fit-image\n",
+       fprintf(stderr, "       %s [-D dtc_options] -f fit-image.its fit-image\n",
                params.cmdname);
+       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]\n"
+                       "          -k => set directory containing private keys\n");
+#else
+       fprintf(stderr, "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
+#endif
        fprintf (stderr, "       %s -V ==> print version information and exit\n",
                params.cmdname);