xref: /openbmc/linux/arch/x86/entry/syscalls/Makefile (revision 2cf1c348)
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
14offset :=
15prefix :=
16
17quiet_cmd_syshdr = SYSHDR  $@
18      cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \
19		$(if $(offset),--offset $(offset)) \
20		$(if $(prefix),--prefix $(prefix)) \
21		$< $@
22quiet_cmd_systbl = SYSTBL  $@
23      cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
24
25quiet_cmd_hypercalls = HYPERCALLS $@
26      cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<, $(real-prereqs))
27
28$(uapi)/unistd_32.h: abis := i386
29$(uapi)/unistd_32.h: $(syscall32) $(syshdr) FORCE
30	$(call if_changed,syshdr)
31
32$(out)/unistd_32_ia32.h: abis := i386
33$(out)/unistd_32_ia32.h: prefix := ia32_
34$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr) FORCE
35	$(call if_changed,syshdr)
36
37$(uapi)/unistd_x32.h: abis := common,x32
38$(uapi)/unistd_x32.h: offset := __X32_SYSCALL_BIT
39$(uapi)/unistd_x32.h: $(syscall64) $(syshdr) FORCE
40	$(call if_changed,syshdr)
41
42$(uapi)/unistd_64.h: abis := common,64
43$(uapi)/unistd_64.h: $(syscall64) $(syshdr) FORCE
44	$(call if_changed,syshdr)
45
46$(out)/unistd_64_x32.h: abis := x32
47$(out)/unistd_64_x32.h: prefix := x32_
48$(out)/unistd_64_x32.h: $(syscall64) $(syshdr) FORCE
49	$(call if_changed,syshdr)
50
51$(out)/syscalls_32.h: abis := i386
52$(out)/syscalls_32.h: $(syscall32) $(systbl) FORCE
53	$(call if_changed,systbl)
54$(out)/syscalls_64.h: abis := common,64
55$(out)/syscalls_64.h: $(syscall64) $(systbl) FORCE
56	$(call if_changed,systbl)
57$(out)/syscalls_x32.h: abis := common,x32
58$(out)/syscalls_x32.h: $(syscall64) $(systbl) FORCE
59	$(call if_changed,systbl)
60
61$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh FORCE
62	$(call if_changed,hypercalls)
63
64$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
65
66uapisyshdr-y			+= unistd_32.h unistd_64.h unistd_x32.h
67syshdr-y			+= syscalls_32.h
68syshdr-$(CONFIG_X86_64)		+= unistd_32_ia32.h unistd_64_x32.h
69syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
70syshdr-$(CONFIG_X86_X32)	+= syscalls_x32.h
71syshdr-$(CONFIG_XEN)		+= xen-hypercalls.h
72
73uapisyshdr-y	:= $(addprefix $(uapi)/, $(uapisyshdr-y))
74syshdr-y	:= $(addprefix $(out)/, $(syshdr-y))
75targets		+= $(addprefix ../../../../, $(uapisyshdr-y) $(syshdr-y))
76
77PHONY += all
78all: $(uapisyshdr-y) $(syshdr-y)
79	@:
80