diff --git a/firmware/common/memcpy.c b/firmware/common/memcpy.c
index e3806805b6..49678920fa 100644
--- a/firmware/common/memcpy.c
+++ b/firmware/common/memcpy.c
@@ -49,6 +49,12 @@ QUICKREF
 /* Threshhold for punting to the byte copier.  */
 #define TOO_SMALL(LEN)  ((LEN) < BIGBLOCKSIZE)
 
+_PTR
+_DEFUN (memcpy, (dst0, src0, len0),
+	_PTR dst0 _AND
+	_CONST _PTR src0 _AND
+	size_t len0) __attribute__ ((section (".icode")));
+
 _PTR
 _DEFUN (memcpy, (dst0, src0, len0),
 	_PTR dst0 _AND
diff --git a/firmware/common/memset.c b/firmware/common/memset.c
index c370191cda..1885a476eb 100644
--- a/firmware/common/memset.c
+++ b/firmware/common/memset.c
@@ -39,6 +39,12 @@ QUICKREF
 #define UNALIGNED(X)   ((long)X & (LBLOCKSIZE - 1))
 #define TOO_SMALL(LEN) ((LEN) < LBLOCKSIZE)
 
+_PTR 
+_DEFUN (memset, (m, c, n),
+	_PTR m _AND
+	int c _AND
+	size_t n) __attribute__ ((section (".icode")));
+
 _PTR 
 _DEFUN (memset, (m, c, n),
 	_PTR m _AND