xref: /linux/scripts/Makefile.vmlinux (revision 6a34dfa15d6edf7e78b8118d862d2db0889cf669)
17b453719SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0-only
27b453719SMasahiro Yamada
35d4aeffbSMasahiro YamadaPHONY := __default
45d4aeffbSMasahiro Yamada__default: vmlinux
55d4aeffbSMasahiro Yamada
67b453719SMasahiro Yamadainclude include/config/auto.conf
77b453719SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include
87b453719SMasahiro Yamadainclude $(srctree)/scripts/Makefile.lib
97b453719SMasahiro Yamada
105d4aeffbSMasahiro Yamadatargets :=
115d4aeffbSMasahiro Yamada
127b453719SMasahiro Yamada%.o: %.c FORCE
13bede1696SMasahiro Yamada	$(call if_changed_rule,cc_o_c)
147b453719SMasahiro Yamada
15654102dfSMasahiro Yamada%.o: %.S FORCE
16bede1696SMasahiro Yamada	$(call if_changed_rule,as_o_S)
17654102dfSMasahiro Yamada
18654102dfSMasahiro Yamada# Built-in dtb
19654102dfSMasahiro Yamada# ---------------------------------------------------------------------------
20654102dfSMasahiro Yamada
21654102dfSMasahiro Yamadaquiet_cmd_wrap_dtbs = WRAP    $@
22654102dfSMasahiro Yamada      cmd_wrap_dtbs = {							\
23654102dfSMasahiro Yamada	echo '\#include <asm-generic/vmlinux.lds.h>';			\
24654102dfSMasahiro Yamada	echo '.section .dtb.init.rodata,"a"';				\
25654102dfSMasahiro Yamada	while read dtb; do						\
26654102dfSMasahiro Yamada		symbase=__dtb_$$(basename -s .dtb "$${dtb}" | tr - _);	\
27654102dfSMasahiro Yamada		echo '.balign STRUCT_ALIGNMENT';			\
28654102dfSMasahiro Yamada		echo ".global $${symbase}_begin";			\
29654102dfSMasahiro Yamada		echo "$${symbase}_begin:";				\
30654102dfSMasahiro Yamada		echo '.incbin "'$$dtb'" ';				\
31654102dfSMasahiro Yamada		echo ".global $${symbase}_end";				\
32654102dfSMasahiro Yamada		echo "$${symbase}_end:";				\
33654102dfSMasahiro Yamada	done < $<;							\
34654102dfSMasahiro Yamada	} > $@
35654102dfSMasahiro Yamada
36654102dfSMasahiro Yamada.builtin-dtbs.S: .builtin-dtbs-list FORCE
37654102dfSMasahiro Yamada	$(call if_changed,wrap_dtbs)
38654102dfSMasahiro Yamada
39654102dfSMasahiro Yamadaquiet_cmd_gen_dtbs_list = GEN     $@
40654102dfSMasahiro Yamada      cmd_gen_dtbs_list = \
41654102dfSMasahiro Yamada	$(if $(CONFIG_BUILTIN_DTB_NAME), echo "arch/$(SRCARCH)/boot/dts/$(CONFIG_BUILTIN_DTB_NAME).dtb",:) > $@
42654102dfSMasahiro Yamada
43654102dfSMasahiro Yamada.builtin-dtbs-list: arch/$(SRCARCH)/boot/dts/dtbs-list FORCE
44654102dfSMasahiro Yamada	$(call if_changed,$(if $(CONFIG_BUILTIN_DTB_ALL),copy,gen_dtbs_list))
45654102dfSMasahiro Yamada
46654102dfSMasahiro Yamadatargets += .builtin-dtbs-list
47654102dfSMasahiro Yamada
48654102dfSMasahiro Yamadaifdef CONFIG_GENERIC_BUILTIN_DTB
49654102dfSMasahiro Yamadatargets += .builtin-dtbs.S .builtin-dtbs.o
50654102dfSMasahiro Yamadavmlinux: .builtin-dtbs.o
51654102dfSMasahiro Yamadaendif
52654102dfSMasahiro Yamada
53654102dfSMasahiro Yamada# vmlinux
54654102dfSMasahiro Yamada# ---------------------------------------------------------------------------
557b453719SMasahiro Yamada
565d4aeffbSMasahiro Yamadaifdef CONFIG_MODULES
575d4aeffbSMasahiro Yamadatargets += .vmlinux.export.o
585d4aeffbSMasahiro Yamadavmlinux: .vmlinux.export.o
595d4aeffbSMasahiro Yamadaendif
605d4aeffbSMasahiro Yamada
611198c9c6SNaveen N Raoifdef CONFIG_ARCH_WANTS_PRE_LINK_VMLINUX
621198c9c6SNaveen N Raovmlinux: arch/$(SRCARCH)/tools/vmlinux.arch.o
631198c9c6SNaveen N Rao
641198c9c6SNaveen N Raoarch/$(SRCARCH)/tools/vmlinux.arch.o: vmlinux.o FORCE
651198c9c6SNaveen N Rao	$(Q)$(MAKE) $(build)=arch/$(SRCARCH)/tools $@
661198c9c6SNaveen N Raoendif
671198c9c6SNaveen N Rao
685d4aeffbSMasahiro YamadaARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
695d4aeffbSMasahiro Yamada
705d4aeffbSMasahiro Yamada# Final link of vmlinux with optional arch pass after final link
715d4aeffbSMasahiro Yamadacmd_link_vmlinux =							\
725d4aeffbSMasahiro Yamada	$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)";		\
735d4aeffbSMasahiro Yamada	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
745d4aeffbSMasahiro Yamada
755d4aeffbSMasahiro Yamadatargets += vmlinux
765d4aeffbSMasahiro Yamadavmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE
775d4aeffbSMasahiro Yamada	+$(call if_changed_dep,link_vmlinux)
78*18e9944eSThomas Weißschuhifdef CONFIG_DEBUG_INFO_BTF
79*18e9944eSThomas Weißschuhvmlinux: $(RESOLVE_BTFIDS)
80*18e9944eSThomas Weißschuhendif
817b453719SMasahiro Yamada
825f5e7344SKris Van Hees# module.builtin.ranges
835f5e7344SKris Van Hees# ---------------------------------------------------------------------------
845f5e7344SKris Van Heesifdef CONFIG_BUILTIN_MODULE_RANGES
855f5e7344SKris Van Hees__default: modules.builtin.ranges
865f5e7344SKris Van Hees
875f5e7344SKris Van Heesquiet_cmd_modules_builtin_ranges = GEN     $@
885f5e7344SKris Van Hees      cmd_modules_builtin_ranges = gawk -f $(real-prereqs) > $@
895f5e7344SKris Van Hees
905f5e7344SKris Van Heestargets += modules.builtin.ranges
915f5e7344SKris Van Heesmodules.builtin.ranges: $(srctree)/scripts/generate_builtin_ranges.awk \
925f5e7344SKris Van Hees			modules.builtin vmlinux.map vmlinux.o.map FORCE
935f5e7344SKris Van Hees	$(call if_changed,modules_builtin_ranges)
945f5e7344SKris Van Hees
955f5e7344SKris Van Heesvmlinux.map: vmlinux
965f5e7344SKris Van Hees	@:
975f5e7344SKris Van Hees
985f5e7344SKris Van Heesendif
995f5e7344SKris Van Hees
1008fb4ac1cSMasahiro Yamada# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
1017b453719SMasahiro Yamada# ---------------------------------------------------------------------------
1027b453719SMasahiro Yamada
1037b453719SMasahiro YamadaPHONY += FORCE
1047b453719SMasahiro YamadaFORCE:
1057b453719SMasahiro Yamada
1067b453719SMasahiro Yamada# Read all saved command lines and dependencies for the $(targets) we
1077b453719SMasahiro Yamada# may be building above, using $(if_changed{,_dep}). As an
1087b453719SMasahiro Yamada# optimization, we don't need to read them if the target does not
1097b453719SMasahiro Yamada# exist, we will rebuild anyway in that case.
1107b453719SMasahiro Yamada
1117b453719SMasahiro Yamadaexisting-targets := $(wildcard $(sort $(targets)))
1127b453719SMasahiro Yamada
1137b453719SMasahiro Yamada-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
1147b453719SMasahiro Yamada
1157b453719SMasahiro Yamada.PHONY: $(PHONY)
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