xref: /openbmc/linux/arch/x86/entry/syscalls/Makefile (revision bbc90bc1)
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$(shell mkdir -p $(out) $(uapi))
7
8syscall32 := $(src)/syscall_32.tbl
9syscall64 := $(src)/syscall_64.tbl
10
11syshdr := $(srctree)/scripts/syscallhdr.sh
12systbl := $(srctree)/scripts/syscalltbl.sh
13offset :=
14prefix :=
15
16quiet_cmd_syshdr = SYSHDR  $@
17      cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \
18		$(if $(offset),--offset $(offset)) \
19		$(if $(prefix),--prefix $(prefix)) \
20		$< $@
21quiet_cmd_systbl = SYSTBL  $@
22      cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
23
24quiet_cmd_hypercalls = HYPERCALLS $@
25      cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<, $(real-prereqs))
26
27$(uapi)/unistd_32.h: abis := i386
28$(uapi)/unistd_32.h: $(syscall32) $(syshdr) FORCE
29	$(call if_changed,syshdr)
30
31$(out)/unistd_32_ia32.h: abis := i386
32$(out)/unistd_32_ia32.h: prefix := ia32_
33$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr) FORCE
34	$(call if_changed,syshdr)
35
36$(uapi)/unistd_x32.h: abis := common,x32
37$(uapi)/unistd_x32.h: offset := __X32_SYSCALL_BIT
38$(uapi)/unistd_x32.h: $(syscall64) $(syshdr) FORCE
39	$(call if_changed,syshdr)
40
41$(uapi)/unistd_64.h: abis := common,64
42$(uapi)/unistd_64.h: $(syscall64) $(syshdr) FORCE
43	$(call if_changed,syshdr)
44
45$(out)/unistd_64_x32.h: abis := x32
46$(out)/unistd_64_x32.h: prefix := x32_
47$(out)/unistd_64_x32.h: $(syscall64) $(syshdr) FORCE
48	$(call if_changed,syshdr)
49
50$(out)/syscalls_32.h: abis := i386
51$(out)/syscalls_32.h: $(syscall32) $(systbl) FORCE
52	$(call if_changed,systbl)
53$(out)/syscalls_64.h: abis := common,64
54$(out)/syscalls_64.h: $(syscall64) $(systbl) FORCE
55	$(call if_changed,systbl)
56$(out)/syscalls_x32.h: abis := common,x32
57$(out)/syscalls_x32.h: $(syscall64) $(systbl) FORCE
58	$(call if_changed,systbl)
59
60$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh FORCE
61	$(call if_changed,hypercalls)
62
63$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
64
65uapisyshdr-y			+= unistd_32.h unistd_64.h unistd_x32.h
66syshdr-y			+= syscalls_32.h
67syshdr-$(CONFIG_X86_64)		+= unistd_32_ia32.h unistd_64_x32.h
68syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
69syshdr-$(CONFIG_X86_X32_ABI)	+= syscalls_x32.h
70syshdr-$(CONFIG_XEN)		+= xen-hypercalls.h
71
72uapisyshdr-y	:= $(addprefix $(uapi)/, $(uapisyshdr-y))
73syshdr-y	:= $(addprefix $(out)/, $(syshdr-y))
74targets		+= $(addprefix ../../../../, $(uapisyshdr-y) $(syshdr-y))
75
76PHONY += all
77all: $(uapisyshdr-y) $(syshdr-y)
78	@:
79