summaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/syscalls/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/syscalls/Makefile')
-rw-r--r--arch/s390/kernel/syscalls/Makefile52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/s390/kernel/syscalls/Makefile b/arch/s390/kernel/syscalls/Makefile
new file mode 100644
index 000000000000..8ff96c08955f
--- /dev/null
+++ b/arch/s390/kernel/syscalls/Makefile
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0
+
+gen := arch/$(ARCH)/include/generated
+kapi := $(gen)/asm
+uapi := $(gen)/uapi/asm
+
+syscall := $(srctree)/$(src)/syscall.tbl
+systbl := $(srctree)/$(src)/syscalltbl
+
+gen-y := $(kapi)/syscall_table.h
+kapi-hdrs-y := $(kapi)/unistd_nr.h
+uapi-hdrs-y := $(uapi)/unistd_32.h
+uapi-hdrs-y += $(uapi)/unistd_64.h
+
+targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y))
+
+PHONY += kapi uapi
+
+kapi: $(gen-y) $(kapi-hdrs-y)
+uapi: $(uapi-hdrs-y)
+
+
+# Create output directory if not already present
+_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
+ $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
+
+define filechk_syshdr
+ $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2"
+endef
+
+define filechk_sysnr
+ $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget))
+endef
+
+define filechk_syscalls
+ $(CONFIG_SHELL) '$(systbl)' -S
+endef
+
+syshdr_abi_unistd_32 := common,32
+$(uapi)/unistd_32.h: $(syscall) FORCE
+ $(call filechk,syshdr,$@)
+
+syshdr_abi_unistd_64 := common,64
+$(uapi)/unistd_64.h: $(syscall) FORCE
+ $(call filechk,syshdr,$@)
+
+$(kapi)/syscall_table.h: $(syscall) FORCE
+ $(call filechk,syscalls)
+
+sysnr_abi_unistd_nr := common,32,64
+$(kapi)/unistd_nr.h: $(syscall) FORCE
+ $(call filechk,sysnr)