diff --git a/boot/common/src/loader/lib/string.c b/boot/common/src/loader/lib/string.c
new file mode 100644
index 0000000..aed8b92
--- /dev/null
+++ b/boot/common/src/loader/lib/string.c
@@ -0,0 +1,120 @@
+/*
+ *  linux/lib/string.c
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+/*
+ * stupid library routines.. The optimized versions should generally be found
+ * as inline code in <asm-xx/string.h>
+ *
+ * These are buggy as well..
+ *
+ * * Fri Jun 25 1999, Ingo Oeser <ioe@informatik.tu-chemnitz.de>
+ * -  Added strsep() which will replace strtok() soon (because strsep() is
+ *    reentrant and should be faster). Use only strsep() in new code, please.
+ */
+
+#include <linux/types.h>
+#include <asm/string.h>
+//#include <malloc.h>
+
+
+/*
+ ******************************************************************************
+ * Function:     
+ * Description: 
+ * Parameters:
+ *	 Input:
+ *	 Output:
+ * Returns:
+ * Others:
+ *******************************************************************************
+ */
+uint32_t strlen( uint8_t* s )
+{
+	uint8_t *sc;
+
+	for (sc = s; *sc != '\0'; ++sc)
+		/* nothing */;
+	return sc - s;
+}
+
+/*
+ ******************************************************************************
+ * Function:     
+ * Description: 
+ * Parameters:
+ *	 Input:
+ *	 Output:
+ * Returns:
+ * Others:
+ *******************************************************************************
+ */
+void * memset(void * s,int c,size_t count)
+{
+	unsigned long *sl = (unsigned long *) s;
+	unsigned long cl = 0;
+	char *s8;
+	int i;
+
+	/* do it one word at a time (32 bits or 64 bits) while possible */
+	if ( ((ulong)s & (sizeof(*sl) - 1)) == 0) {
+		for (i = 0; i < sizeof(*sl); i++) {
+			cl <<= 8;
+			cl |= c & 0xff;
+		}
+		while (count >= sizeof(*sl)) {
+			*sl++ = cl;
+			count -= sizeof(*sl);
+		}
+	}
+	/* fill 8 bits at a time */
+	s8 = (char *)sl;
+	while (count--)
+		*s8++ = c;
+
+	return s;
+}
+
+/*
+ ******************************************************************************
+ * Function:     
+ * Description: 
+ * Parameters:
+ *	 Input:
+ *	 Output:
+ * Returns:
+ * Others:
+ *******************************************************************************
+ */
+int memcmp(void *a, void *c, int n)
+{
+	int i;
+	for (i = 0; i < n; i++) {
+		if (((unsigned char *)c)[i] != ((unsigned char *)a)[i])
+			return 1;
+	}
+	return 0;
+}
+
+/*
+ ******************************************************************************
+ * Function:     
+ * Description: 
+ * Parameters:
+ *	 Input:
+ *	 Output:
+ * Returns:
+ * Others:
+ *******************************************************************************
+ */
+void memcpy( uint32_t dest, uint32_t src, uint32_t count )
+{
+	char *tmp = (char *) dest, *s = (char *) src;
+
+	while (count--)
+		*tmp++ = *s++;
+}
+
+