--- arcboot.orig/Makefile	2011-06-16 23:12:30.000000000 +0200
+++ arcboot/Makefile	2017-01-07 21:53:02.887705156 +0100
@@ -5,7 +5,7 @@
 #  
 
 # default subarch
-SUBARCH ?= IP22
+SUBARCH ?= IP32
 
 ifeq ($(SUBARCH),IP22)
 KERNELADDR=0x88002000
@@ -19,7 +19,7 @@ KERNELADDR=0x80004000
 MAXLOADSIZE=0x1400000
 LOADADDR=0x81404000
 TIP_LOADADDR=$(LOADADDR)
-OUTPUTFORMAT=elf32-tradbigmips
+OUTPUTFORMAT=elf64btsmip
 endif
 
 # these contain subarch independent files
