Index: uspace/lib/c/arch/arm32/Makefile.common
===================================================================
--- uspace/lib/c/arch/arm32/Makefile.common	(revision 49a736e2c42817abe3098179ad216dafecd091e7)
+++ uspace/lib/c/arch/arm32/Makefile.common	(revision 179f6f2bf553edec9f7da2bcd60ea5a63afb17db)
@@ -28,5 +28,9 @@
 #
 
-GCC_CFLAGS += -ffixed-r9 -mtp=soft -fno-omit-frame-pointer -march=$(subst _,-,$(PROCESSOR))
+GCC_CFLAGS += -ffixed-r9 -mtp=soft -fno-omit-frame-pointer -march=armv4
+#TODO enable this when the breakage is fixed
+#(fat fails on invalid instruction, tmpfs hangs, there may be other issues)
+#fat: page_fault - instruction doesn't access memory (instr_code: 0x1508, badvaddr:0x.
+#$(subst _,-,$(PROCESSOR))
 
 ENDIANESS = LE