arch/x86_64 (forgot to commit previously)

src/config/arch/x86_64/x86_64.c

@@ -0,0 +1,8 @@
+#include "rsys/common.h"
+#include "rsys/arch.h"
+
+boolean_t
+arch_init (void)
+{
+  return TRUE;
+}

src/config/arch/x86_64/x86_64.h

@@ -0,0 +1,14 @@
+#if !defined (__arch_x86_64_h__)
+#define __arch_x86_64_h__
+
+#define LITTLEENDIAN
+#define SYN68K
+
+/* TODO: only do these if the compiler supports it, check to see if we can
+         get a better swap16 w/o using builtin_bswap32 */
+
+#define swap16(v) ((uint16_t) (__builtin_bswap32 ((int32_t) (v)) >> 16))
+
+#define swap32(v)((uint32_t) __builtin_bswap32 ((int32_t)(v)))
+
+#endif /* !defined (__arch_x86_64_h__) */