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>
70 lines
2.1 KiB
Makefile
70 lines
2.1 KiB
Makefile
out := $(obj)/../include/generated/asm
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uapi := $(obj)/../include/generated/uapi/asm
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# Create output directory if not already present
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_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') \
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$(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')
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syscall32 := $(srctree)/$(src)/syscall_32.tbl
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syscall64 := $(srctree)/$(src)/syscall_64.tbl
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syshdr := $(srctree)/$(src)/syscallhdr.sh
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systbl := $(srctree)/$(src)/syscalltbl.sh
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quiet_cmd_syshdr = SYSHDR $@
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cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
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'$(syshdr_abi_$(basetarget))' \
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'$(syshdr_pfx_$(basetarget))' \
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'$(syshdr_offset_$(basetarget))'
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quiet_cmd_systbl = SYSTBL $@
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cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
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quiet_cmd_hypercalls = HYPERCALLS $@
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cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<,$^)
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syshdr_abi_unistd_32 := i386
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$(uapi)/unistd_32.h: $(syscall32) $(syshdr)
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$(call if_changed,syshdr)
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syshdr_abi_unistd_32_ia32 := i386
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syshdr_pfx_unistd_32_ia32 := ia32_
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$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
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$(call if_changed,syshdr)
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syshdr_abi_unistd_x32 := common,x32
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syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
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$(uapi)/unistd_x32.h: $(syscall64) $(syshdr)
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$(call if_changed,syshdr)
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syshdr_abi_unistd_64 := common,64
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$(uapi)/unistd_64.h: $(syscall64) $(syshdr)
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$(call if_changed,syshdr)
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syshdr_abi_unistd_64_x32 := x32
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syshdr_pfx_unistd_64_x32 := x32_
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$(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
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$(call if_changed,syshdr)
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$(out)/syscalls_32.h: $(syscall32) $(systbl)
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$(call if_changed,systbl)
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$(out)/syscalls_64.h: $(syscall64) $(systbl)
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$(call if_changed,systbl)
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$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh
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$(call if_changed,hypercalls)
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$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
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uapisyshdr-y += unistd_32.h unistd_64.h unistd_x32.h
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syshdr-y += syscalls_32.h
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syshdr-$(CONFIG_X86_64) += unistd_32_ia32.h unistd_64_x32.h
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syshdr-$(CONFIG_X86_64) += syscalls_64.h
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syshdr-$(CONFIG_XEN) += xen-hypercalls.h
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targets += $(uapisyshdr-y) $(syshdr-y)
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PHONY += all
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all: $(addprefix $(uapi)/,$(uapisyshdr-y))
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all: $(addprefix $(out)/,$(syshdr-y))
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@:
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