115 lines · 3.3 KB · Text
RawDownload
# SPDX-License-Identifier: GPL-2.0-only PHONY := __default__default: vmlinux include include/config/auto.confinclude $(srctree)/scripts/Kbuild.includeinclude $(srctree)/scripts/Makefile.lib targets := %.o: %.c FORCE	$(call if_changed_rule,cc_o_c) %.o: %.S FORCE	$(call if_changed_rule,as_o_S) # Built-in dtb# --------------------------------------------------------------------------- quiet_cmd_wrap_dtbs = WRAP    $@      cmd_wrap_dtbs = {							\	echo '\#include <asm-generic/vmlinux.lds.h>';			\	echo '.section .dtb.init.rodata,"a"';				\	while read dtb; do						\		symbase=__dtb_$$(basename -s .dtb "$${dtb}" | tr - _);	\		echo '.balign STRUCT_ALIGNMENT';			\		echo ".global $${symbase}_begin";			\		echo "$${symbase}_begin:";				\		echo '.incbin "'$$dtb'" ';				\		echo ".global $${symbase}_end";				\		echo "$${symbase}_end:";				\	done < $<;							\	} > $@ .builtin-dtbs.S: .builtin-dtbs-list FORCE	$(call if_changed,wrap_dtbs) quiet_cmd_gen_dtbs_list = GEN     $@      cmd_gen_dtbs_list = \	$(if $(CONFIG_BUILTIN_DTB_NAME), echo "arch/$(SRCARCH)/boot/dts/$(CONFIG_BUILTIN_DTB_NAME).dtb",:) > $@ .builtin-dtbs-list: arch/$(SRCARCH)/boot/dts/dtbs-list FORCE	$(call if_changed,$(if $(CONFIG_BUILTIN_DTB_ALL),copy,gen_dtbs_list)) targets += .builtin-dtbs-list ifdef CONFIG_GENERIC_BUILTIN_DTBtargets += .builtin-dtbs.S .builtin-dtbs.ovmlinux: .builtin-dtbs.oendif # vmlinux# --------------------------------------------------------------------------- ifdef CONFIG_MODULEStargets += .vmlinux.export.ovmlinux: .vmlinux.export.oendif ifdef CONFIG_ARCH_WANTS_PRE_LINK_VMLINUXvmlinux: arch/$(SRCARCH)/tools/vmlinux.arch.o arch/$(SRCARCH)/tools/vmlinux.arch.o: vmlinux.o FORCE	$(Q)$(MAKE) $(build)=arch/$(SRCARCH)/tools $@endif ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) # Final link of vmlinux with optional arch pass after final linkcmd_link_vmlinux =							\	$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)";		\	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) targets += vmlinuxvmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE	+$(call if_changed_dep,link_vmlinux)ifdef CONFIG_DEBUG_INFO_BTFvmlinux: $(RESOLVE_BTFIDS)endif # module.builtin.ranges# ---------------------------------------------------------------------------ifdef CONFIG_BUILTIN_MODULE_RANGES__default: modules.builtin.ranges quiet_cmd_modules_builtin_ranges = GEN     $@      cmd_modules_builtin_ranges = gawk -f $(real-prereqs) > $@ targets += modules.builtin.rangesmodules.builtin.ranges: $(srctree)/scripts/generate_builtin_ranges.awk \			modules.builtin vmlinux.map vmlinux.o.map FORCE	$(call if_changed,modules_builtin_ranges) vmlinux.map: vmlinux	@: endif # Add FORCE to the prerequisites of a target to force it to be always rebuilt.# --------------------------------------------------------------------------- PHONY += FORCEFORCE: # Read all saved command lines and dependencies for the $(targets) we# may be building above, using $(if_changed{,_dep}). As an# optimization, we don't need to read them if the target does not# exist, we will rebuild anyway in that case. existing-targets := $(wildcard $(sort $(targets))) -include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) .PHONY: $(PHONY)