xref: /linux/arch/x86/entry/syscalls/Makefile (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1out := $(obj)/../../include/generated/asm
2uapi := $(obj)/../../include/generated/uapi/asm
3
4# Create output directory if not already present
5_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') \
6	  $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')
7
8syscall32 := $(srctree)/$(src)/syscall_32.tbl
9syscall64 := $(srctree)/$(src)/syscall_64.tbl
10
11syshdr := $(srctree)/$(src)/syscallhdr.sh
12systbl := $(srctree)/$(src)/syscalltbl.sh
13
14quiet_cmd_syshdr = SYSHDR  $@
15      cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
16		   '$(syshdr_abi_$(basetarget))' \
17		   '$(syshdr_pfx_$(basetarget))' \
18		   '$(syshdr_offset_$(basetarget))'
19quiet_cmd_systbl = SYSTBL  $@
20      cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
21
22quiet_cmd_hypercalls = HYPERCALLS $@
23      cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<,$^)
24
25syshdr_abi_unistd_32 := i386
26$(uapi)/unistd_32.h: $(syscall32) $(syshdr)
27	$(call if_changed,syshdr)
28
29syshdr_abi_unistd_32_ia32 := i386
30syshdr_pfx_unistd_32_ia32 := ia32_
31$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
32	$(call if_changed,syshdr)
33
34syshdr_abi_unistd_x32 := common,x32
35syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
36$(uapi)/unistd_x32.h: $(syscall64) $(syshdr)
37	$(call if_changed,syshdr)
38
39syshdr_abi_unistd_64 := common,64
40$(uapi)/unistd_64.h: $(syscall64) $(syshdr)
41	$(call if_changed,syshdr)
42
43syshdr_abi_unistd_64_x32 := x32
44syshdr_pfx_unistd_64_x32 := x32_
45$(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
46	$(call if_changed,syshdr)
47
48$(out)/syscalls_32.h: $(syscall32) $(systbl)
49	$(call if_changed,systbl)
50$(out)/syscalls_64.h: $(syscall64) $(systbl)
51	$(call if_changed,systbl)
52
53$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh
54	$(call if_changed,hypercalls)
55
56$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
57
58uapisyshdr-y			+= unistd_32.h unistd_64.h unistd_x32.h
59syshdr-y			+= syscalls_32.h
60syshdr-$(CONFIG_X86_64)		+= unistd_32_ia32.h unistd_64_x32.h
61syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
62syshdr-$(CONFIG_XEN)		+= xen-hypercalls.h
63
64targets	+= $(uapisyshdr-y) $(syshdr-y)
65
66PHONY += all
67all: $(addprefix $(uapi)/,$(uapisyshdr-y))
68all: $(addprefix $(out)/,$(syshdr-y))
69	@:
70