helpers: Add reverse_byte() and reverse_bytes()

Change-Id: I9d2e1e2856c835d22eed3b3a34bc0379773dd831
Signed-off-by: Marc Schink <flashrom-dev@marcschink.de>
Reviewed-on: https://review.coreboot.org/28086
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/flash.h b/flash.h
index fca377506..01ff5cd6c 100644
--- a/flash.h
+++ b/flash.h
@@ -295,6 +295,8 @@ int max(int a, int b);
 int min(int a, int b);
 char *strcat_realloc(char *dest, const char *src);
 void tolower_string(char *str);
+uint8_t reverse_byte(uint8_t x);
+void reverse_bytes(uint8_t *dst, const uint8_t *src, size_t length);
 #ifdef __MINGW32__
 char* strtok_r(char *str, const char *delim, char **nextp);
 #endif