arch/s390/kernel/syscalls/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 gen     := arch/$(ARCH)/include/generated
   4 kapi    := $(gen)/asm
   5 uapi    := $(gen)/uapi/asm
   6
   7 syscall := $(srctree)/$(src)/syscall.tbl
   8 systbl  := $(srctree)/$(src)/syscalltbl
   9
  10 gen-y := $(kapi)/syscall_table.h
  11 kapi-hdrs-y := $(kapi)/unistd_nr.h
  12 uapi-hdrs-y := $(uapi)/unistd_32.h
  13 uapi-hdrs-y += $(uapi)/unistd_64.h
  14
  15 targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y))
  16
  17 PHONY += kapi uapi
  18
  19 kapi:   $(gen-y) $(kapi-hdrs-y)
  20 uapi:   $(uapi-hdrs-y)
  21
  22
  23 # Create output directory if not already present
  24 _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
  25           $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
  26
  27 define filechk_syshdr
  28         $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
  29 endef
  30
  31 define filechk_sysnr
  32         $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
  33 endef
  34
  35 define filechk_syscalls
  36         $(CONFIG_SHELL) '$(systbl)' -S < $<
  37 endef
  38
  39 syshdr_abi_unistd_32 := common,32
  40 $(uapi)/unistd_32.h: $(syscall) FORCE
  41         $(call filechk,syshdr,$@)
  42
  43 syshdr_abi_unistd_64 := common,64
  44 $(uapi)/unistd_64.h: $(syscall) FORCE
  45         $(call filechk,syshdr,$@)
  46
  47 $(kapi)/syscall_table.h: $(syscall) FORCE
  48         $(call filechk,syscalls)
  49
  50 sysnr_abi_unistd_nr := common,32,64
  51 $(kapi)/unistd_nr.h: $(syscall) FORCE
  52         $(call filechk,sysnr)