added ARMV5 as reference platform

getarch.c

@@ -724,6 +724,22 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #else
 #endif
 
+#ifdef FORCE_ARMV5
+#define FORCE
+#define ARCHITECTURE    "ARM"
+#define SUBARCHITECTURE "ARMV5"
+#define SUBDIRNAME      "arm"
+#define ARCHCONFIG   "-DARMV5 " \
+       "-DL1_DATA_SIZE=65536 -DL1_DATA_LINESIZE=32 " \
+       "-DL2_SIZE=512488 -DL2_LINESIZE=32 " \
+       "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=4 " \
+       "-DHAVE_VFP"
+#define LIBNAME   "armv5"
+#define CORENAME  "ARMV5"
+#else
+#endif
+
+
 #ifdef FORCE_ARMV8
 #define FORCE
 #define ARCHITECTURE    "ARM64"