53 lines
1.3 KiB
Makefile
53 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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gen := arch/$(ARCH)/include/generated
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kapi := $(gen)/asm
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uapi := $(gen)/uapi/asm
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syscall := $(srctree)/$(src)/syscall.tbl
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systbl := $(srctree)/$(src)/syscalltbl
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gen-y := $(kapi)/syscall_table.h
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kapi-hdrs-y := $(kapi)/unistd_nr.h
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uapi-hdrs-y := $(uapi)/unistd_32.h
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uapi-hdrs-y += $(uapi)/unistd_64.h
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targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y))
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PHONY += kapi uapi
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kapi: $(gen-y) $(kapi-hdrs-y)
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uapi: $(uapi-hdrs-y)
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# Create output directory if not already present
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_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
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$(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
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define filechk_syshdr
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$(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
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endef
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define filechk_sysnr
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$(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
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endef
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define filechk_syscalls
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$(CONFIG_SHELL) '$(systbl)' -S < $<
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endef
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syshdr_abi_unistd_32 := common,32
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$(uapi)/unistd_32.h: $(syscall) FORCE
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$(call filechk,syshdr,$@)
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syshdr_abi_unistd_64 := common,64
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$(uapi)/unistd_64.h: $(syscall) FORCE
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$(call filechk,syshdr,$@)
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$(kapi)/syscall_table.h: $(syscall) FORCE
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$(call filechk,syscalls)
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sysnr_abi_unistd_nr := common,32,64
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$(kapi)/unistd_nr.h: $(syscall) FORCE
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$(call filechk,sysnr)
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