Index: boot/arch/sparc64/Makefile.inc
===================================================================
--- boot/arch/sparc64/Makefile.inc	(revision 339249f86c593ecafb31b3f28d3ecb79676f799d)
+++ boot/arch/sparc64/Makefile.inc	(revision 4bd675d3ff3d180a95f4f0e7ce5bd65bb52a40d6)
@@ -38,5 +38,5 @@
 ENDIANESS = BE
 PAGE_SIZE = 16384
-EXTRA_CFLAGS = -mcpu=ultrasparc -m64 -mno-fpu
+EXTRA_CFLAGS = -mcpu=ultrasparc -m64 -mno-fpu -mcmodel=medlow
 
 RD_SRVS_NON_ESSENTIAL +=