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Commit 5c75824d authored by Hendrik Brueckner's avatar Hendrik Brueckner Committed by Martin Schwidefsky
Browse files

s390/syscalls: add Makefile to generate system call header files 



Generate the system call specific files from the archheaders
and archprepare make targets.

Signed-off-by: default avatarHendrik Brueckner <brueckner@linux.vnet.ibm.com>
Acked-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent fd834e09

arch/s390/Makefile

+5 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ drivers-y += drivers/s390/ 
drivers-$(CONFIG_OPROFILE)	+= arch/s390/oprofile/



boot		:= arch/s390/boot

syscalls	:= arch/s390/kernel/syscalls

tools		:= arch/s390/tools



all: image bzImage
@@ -132,7 +133,11 @@ archclean: 
	$(Q)$(MAKE) $(clean)=$(boot)

	$(Q)$(MAKE) $(clean)=$(tools)



archheaders:

	$(Q)$(MAKE) $(build)=$(syscalls) uapi



archprepare:

	$(Q)$(MAKE) $(build)=$(syscalls) kapi

	$(Q)$(MAKE) $(build)=$(tools) include/generated/facilities.h

	$(Q)$(MAKE) $(build)=$(tools) include/generated/dis.h

arch/s390/kernel/syscalls/Makefile

0 → 100644
+52 −0
Original line number Diff line number Diff line 
# 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)