arch/x86/entry/syscalls/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 out := $(obj)/../../include/generated/asm
   3 uapi := $(obj)/../../include/generated/uapi/asm
   4
   5 # Create output directory if not already present
   6 _dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') \
   7           $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')
   8
   9 syscall32 := $(srctree)/$(src)/syscall_32.tbl
  10 syscall64 := $(srctree)/$(src)/syscall_64.tbl
  11
  12 syshdr := $(srctree)/$(src)/syscallhdr.sh
  13 systbl := $(srctree)/$(src)/syscalltbl.sh
  14
  15 quiet_cmd_syshdr = SYSHDR  $@
  16       cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
  17                    '$(syshdr_abi_$(basetarget))' \
  18                    '$(syshdr_pfx_$(basetarget))' \
  19                    '$(syshdr_offset_$(basetarget))'
  20 quiet_cmd_systbl = SYSTBL  $@
  21       cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
  22
  23 quiet_cmd_hypercalls = HYPERCALLS $@
  24       cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<,$^)
  25
  26 syshdr_abi_unistd_32 := i386
  27 $(uapi)/unistd_32.h: $(syscall32) $(syshdr)
  28         $(call if_changed,syshdr)
  29
  30 syshdr_abi_unistd_32_ia32 := i386
  31 syshdr_pfx_unistd_32_ia32 := ia32_
  32 $(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
  33         $(call if_changed,syshdr)
  34
  35 syshdr_abi_unistd_x32 := common,x32
  36 syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
  37 $(uapi)/unistd_x32.h: $(syscall64) $(syshdr)
  38         $(call if_changed,syshdr)
  39
  40 syshdr_abi_unistd_64 := common,64
  41 $(uapi)/unistd_64.h: $(syscall64) $(syshdr)
  42         $(call if_changed,syshdr)
  43
  44 syshdr_abi_unistd_64_x32 := x32
  45 syshdr_pfx_unistd_64_x32 := x32_
  46 $(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
  47         $(call if_changed,syshdr)
  48
  49 $(out)/syscalls_32.h: $(syscall32) $(systbl)
  50         $(call if_changed,systbl)
  51 $(out)/syscalls_64.h: $(syscall64) $(systbl)
  52         $(call if_changed,systbl)
  53
  54 $(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh
  55         $(call if_changed,hypercalls)
  56
  57 $(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
  58
  59 uapisyshdr-y                    += unistd_32.h unistd_64.h unistd_x32.h
  60 syshdr-y                        += syscalls_32.h
  61 syshdr-$(CONFIG_X86_64)         += unistd_32_ia32.h unistd_64_x32.h
  62 syshdr-$(CONFIG_X86_64)         += syscalls_64.h
  63 syshdr-$(CONFIG_XEN)            += xen-hypercalls.h
  64
  65 targets += $(uapisyshdr-y) $(syshdr-y)
  66
  67 PHONY += all
  68 all: $(addprefix $(uapi)/,$(uapisyshdr-y))
  69 all: $(addprefix $(out)/,$(syshdr-y))
  70         @: