xref: /linux/arch/x86/entry/syscalls/Makefile (revision 3cba325b358f86357b5ce50eb9e6633183927eee)
1# SPDX-License-Identifier: GPL-2.0
2out := arch/$(SRCARCH)/include/generated/asm
3uapi := arch/$(SRCARCH)/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
9syscall32 := $(src)/syscall_32.tbl
10syscall64 := $(src)/syscall_64.tbl
11
12syshdr := $(srctree)/scripts/syscallhdr.sh
13systbl := $(srctree)/scripts/syscalltbl.sh
14
15quiet_cmd_syshdr = SYSHDR  $@
16      cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \
17		$(if $(offset),--offset $(offset)) \
18		$(if $(prefix),--prefix $(prefix)) \
19		$< $@
20quiet_cmd_systbl = SYSTBL  $@
21      cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
22
23quiet_cmd_hypercalls = HYPERCALLS $@
24      cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<, $(real-prereqs))
25
26$(uapi)/unistd_32.h: abis := i386
27$(uapi)/unistd_32.h: $(syscall32) $(syshdr) FORCE
28	$(call if_changed,syshdr)
29
30$(out)/unistd_32_ia32.h: abis := i386
31$(out)/unistd_32_ia32.h: prefix := ia32_
32$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr) FORCE
33	$(call if_changed,syshdr)
34
35$(uapi)/unistd_x32.h: abis := common,x32
36$(uapi)/unistd_x32.h: offset := __X32_SYSCALL_BIT
37$(uapi)/unistd_x32.h: $(syscall64) $(syshdr) FORCE
38	$(call if_changed,syshdr)
39
40$(uapi)/unistd_64.h: abis := common,64
41$(uapi)/unistd_64.h: $(syscall64) $(syshdr) FORCE
42	$(call if_changed,syshdr)
43
44$(out)/unistd_64_x32.h: abis := x32
45$(out)/unistd_64_x32.h: prefix := x32_
46$(out)/unistd_64_x32.h: $(syscall64) $(syshdr) FORCE
47	$(call if_changed,syshdr)
48
49$(out)/syscalls_32.h: abis := i386
50$(out)/syscalls_32.h: $(syscall32) $(systbl) FORCE
51	$(call if_changed,systbl)
52$(out)/syscalls_64.h: abis := common,64
53$(out)/syscalls_64.h: $(syscall64) $(systbl) FORCE
54	$(call if_changed,systbl)
55$(out)/syscalls_x32.h: abis := common,x32
56$(out)/syscalls_x32.h: $(syscall64) $(systbl) FORCE
57	$(call if_changed,systbl)
58
59$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh FORCE
60	$(call if_changed,hypercalls)
61
62$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
63
64uapisyshdr-y			+= unistd_32.h unistd_64.h unistd_x32.h
65syshdr-y			+= syscalls_32.h
66syshdr-$(CONFIG_X86_64)		+= unistd_32_ia32.h unistd_64_x32.h
67syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
68syshdr-$(CONFIG_X86_X32)	+= syscalls_x32.h
69syshdr-$(CONFIG_XEN)		+= xen-hypercalls.h
70
71uapisyshdr-y	:= $(addprefix $(uapi)/, $(uapisyshdr-y))
72syshdr-y	:= $(addprefix $(out)/, $(syshdr-y))
73targets		+= $(addprefix ../../../../, $(uapisyshdr-y) $(syshdr-y))
74
75PHONY += all
76all: $(uapisyshdr-y) $(syshdr-y)
77	@:
78