[arm] Add optimised string functions for 64-bit ARM

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/arch/arm32/include/bits/string.h b/src/arch/arm32/include/bits/string.h
new file mode 100644
index 00000000..5b1c1505
--- /dev/null
+++ b/src/arch/arm32/include/bits/string.h
@@ -0,0 +1,60 @@
+#ifndef BITS_STRING_H
+#define BITS_STRING_H
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+/** @file
+ *
+ * String functions
+ *
+ */
+
+/**
+ * Fill memory region
+ *
+ * @v dest		Destination region
+ * @v character		Fill character
+ * @v len		Length
+ * @ret dest		Destination region
+ */
+static inline __attribute__ (( always_inline )) void *
+memset ( void *dest, int character, size_t len ) {
+
+	/* Not yet optimised */
+	generic_memset ( dest, character, len );
+	return dest;
+}
+
+/**
+ * Copy memory region
+ *
+ * @v dest		Destination region
+ * @v src		Source region
+ * @v len		Length
+ * @ret dest		Destination region
+ */
+static inline __attribute__ (( always_inline )) void *
+memcpy ( void *dest, const void *src, size_t len ) {
+
+	/* Not yet optimised */
+	generic_memcpy ( dest, src, len );
+	return dest;
+}
+
+/**
+ * Copy (possibly overlapping) memory region
+ *
+ * @v dest		Destination region
+ * @v src		Source region
+ * @v len		Length
+ * @ret dest		Destination region
+ */
+static inline __attribute__ (( always_inline )) void *
+memmove ( void *dest, const void *src, size_t len ) {
+
+	/* Not yet optimised */
+	generic_memmove ( dest, src, len );
+	return dest;
+}
+
+#endif /* BITS_STRING_H */