1 files changed, 35 insertions, 0 deletions
diff --git a/arch/s390/tools/Makefile b/arch/s390/tools/Makefile
new file mode 100644
index 000000000..48cdac114
--- /dev/null
+++ b/arch/s390/tools/Makefile
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for s390 specific build tools
+#
+
+kapi := arch/$(ARCH)/include/generated/asm
+kapi-hdrs-y := $(kapi)/facility-defs.h $(kapi)/dis-defs.h
+
+targets += $(addprefix ../../../,$(kapi-hdrs-y))
+PHONY += kapi
+
+kapi:	$(kapi-hdrs-y)
+
+hostprogs-y		    += gen_facilities
+hostprogs-y		    += gen_opcode_table
+
+HOSTCFLAGS_gen_facilities.o += -Wall $(LINUXINCLUDE)
+HOSTCFLAGS_gen_opcode_table.o += -Wall $(LINUXINCLUDE)
+
+# Ensure output directory exists
+_dummy := $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
+
+define filechk_facility-defs.h
+	$(obj)/gen_facilities
+endef
+
+define filechk_dis-defs.h
+	( $(obj)/gen_opcode_table < $(srctree)/arch/$(ARCH)/tools/opcodes.txt )
+endef
+
+$(kapi)/facility-defs.h: $(obj)/gen_facilities FORCE
+	$(call filechk,facility-defs.h)
+
+$(kapi)/dis-defs.h: $(obj)/gen_opcode_table FORCE
+	$(call filechk,dis-defs.h)