9b4ade226f
Today there are several places in the kernel which build tables containing one entry for each possible Xen hypercall. Create an infrastructure to be able to generate these tables at build time. Based-on-patch-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
69 lines
2.1 KiB
Makefile
69 lines
2.1 KiB
Makefile
out := $(obj)/../include/generated/asm
|
|
uapi := $(obj)/../include/generated/uapi/asm
|
|
|
|
# Create output directory if not already present
|
|
_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') \
|
|
$(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')
|
|
|
|
syscall32 := $(srctree)/$(src)/syscall_32.tbl
|
|
syscall64 := $(srctree)/$(src)/syscall_64.tbl
|
|
|
|
syshdr := $(srctree)/$(src)/syscallhdr.sh
|
|
systbl := $(srctree)/$(src)/syscalltbl.sh
|
|
|
|
quiet_cmd_syshdr = SYSHDR $@
|
|
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
|
|
'$(syshdr_abi_$(basetarget))' \
|
|
'$(syshdr_pfx_$(basetarget))' \
|
|
'$(syshdr_offset_$(basetarget))'
|
|
quiet_cmd_systbl = SYSTBL $@
|
|
cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
|
|
|
|
quiet_cmd_hypercalls = HYPERCALLS $@
|
|
cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<,$^)
|
|
|
|
syshdr_abi_unistd_32 := i386
|
|
$(uapi)/unistd_32.h: $(syscall32) $(syshdr)
|
|
$(call if_changed,syshdr)
|
|
|
|
syshdr_abi_unistd_32_ia32 := i386
|
|
syshdr_pfx_unistd_32_ia32 := ia32_
|
|
$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
|
|
$(call if_changed,syshdr)
|
|
|
|
syshdr_abi_unistd_x32 := common,x32
|
|
syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
|
|
$(uapi)/unistd_x32.h: $(syscall64) $(syshdr)
|
|
$(call if_changed,syshdr)
|
|
|
|
syshdr_abi_unistd_64 := common,64
|
|
$(uapi)/unistd_64.h: $(syscall64) $(syshdr)
|
|
$(call if_changed,syshdr)
|
|
|
|
syshdr_abi_unistd_64_x32 := x32
|
|
syshdr_pfx_unistd_64_x32 := x32_
|
|
$(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
|
|
$(call if_changed,syshdr)
|
|
|
|
$(out)/syscalls_32.h: $(syscall32) $(systbl)
|
|
$(call if_changed,systbl)
|
|
$(out)/syscalls_64.h: $(syscall64) $(systbl)
|
|
$(call if_changed,systbl)
|
|
|
|
$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh
|
|
$(call if_changed,hypercalls)
|
|
|
|
$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
|
|
|
|
uapisyshdr-y += unistd_32.h unistd_64.h unistd_x32.h
|
|
syshdr-y += syscalls_32.h
|
|
syshdr-$(CONFIG_X86_64) += unistd_32_ia32.h unistd_64_x32.h
|
|
syshdr-$(CONFIG_X86_64) += syscalls_64.h
|
|
syshdr-$(CONFIG_XEN) += xen-hypercalls.h
|
|
|
|
targets += $(uapisyshdr-y) $(syshdr-y)
|
|
|
|
PHONY += all
|
|
all: $(addprefix $(uapi)/,$(uapisyshdr-y))
|
|
all: $(addprefix $(out)/,$(syshdr-y))
|
|
@:
|