firmware-utils/mkdir615h1: fix magic XOR calculation

Signed-off-by: Forest Crossman <cyrozap@gmail.com>
SVN-Revision: 41314

diff --git a/tools/firmware-utils/src/mkdir615h1.c b/tools/firmware-utils/src/mkdir615h1.c
index 84692aa3aa4d4ba23d23e13d9fd52d0cc38aed6b..d9fb35c1ecbb363295049ba5206fb2f9b3b2a328 100644 (file)
--- a/tools/firmware-utils/src/mkdir615h1.c
+++ b/tools/firmware-utils/src/mkdir615h1.c
@@ -199,7 +199,7 @@ static int encode_image(const char *input_file_name,
                }
 
                for (i = 0; i < bytes_read; i++)
-                       buf[i] ^= magic >> ((((i >> 60) + i) & 7) - (i >> 60));
+                       buf[i] ^= magic >> (i % 8) & 0xff;
                fwrite(&buf, bytes_read, 1, fp_output);
        }
 
@@ -254,7 +254,7 @@ int decode_image(const char *input_file_name, const char *output_file_name)
 
                bytes_read = fread(&buf, 1, BUF_SIZE, fp_input);
                for (i = 0; i < bytes_read; i++)
-                       buf[i] ^= header.magic >> ((((i >> 60) + i) & 7) - (i >> 60));
+                       buf[i] ^= header.magic >> (i % 8) & 0xff;
 
                /*
                 * Handle padded source file