xref: /linux/scripts/Makefile.vmlinux (revision 088d13246a4672bc03aec664675138e3f5bff68c)
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
12ac4f0678SArd Biesheuvelifdef CONFIG_ARCH_VMLINUX_NEEDS_RELOCS
13ac4f0678SArd Biesheuvelvmlinux-final := vmlinux.unstripped
14ac4f0678SArd Biesheuvel
15ac4f0678SArd Biesheuvelquiet_cmd_strip_relocs = RSTRIP  $@
16e9d86b8eSAlexandre Ghiti      cmd_strip_relocs = $(OBJCOPY) --remove-section='.rel*' --remove-section=!'.rel*.dyn' $< $@
17ac4f0678SArd Biesheuvel
18ac4f0678SArd Biesheuvelvmlinux: $(vmlinux-final) FORCE
19ac4f0678SArd Biesheuvel	$(call if_changed,strip_relocs)
20ac4f0678SArd Biesheuvel
21ac4f0678SArd Biesheuveltargets += vmlinux
22ac4f0678SArd Biesheuvelelse
23ac4f0678SArd Biesheuvelvmlinux-final := vmlinux
24ac4f0678SArd Biesheuvelendif
25ac4f0678SArd Biesheuvel
267b453719SMasahiro Yamada%.o: %.c FORCE
27bede1696SMasahiro Yamada	$(call if_changed_rule,cc_o_c)
287b453719SMasahiro Yamada
29654102dfSMasahiro Yamada%.o: %.S FORCE
30bede1696SMasahiro Yamada	$(call if_changed_rule,as_o_S)
31654102dfSMasahiro Yamada
32654102dfSMasahiro Yamada# Built-in dtb
33654102dfSMasahiro Yamada# ---------------------------------------------------------------------------
34654102dfSMasahiro Yamada
35654102dfSMasahiro Yamadaquiet_cmd_wrap_dtbs = WRAP    $@
36654102dfSMasahiro Yamada      cmd_wrap_dtbs = {							\
37654102dfSMasahiro Yamada	echo '\#include <asm-generic/vmlinux.lds.h>';			\
38654102dfSMasahiro Yamada	echo '.section .dtb.init.rodata,"a"';				\
39654102dfSMasahiro Yamada	while read dtb; do						\
40654102dfSMasahiro Yamada		symbase=__dtb_$$(basename -s .dtb "$${dtb}" | tr - _);	\
41654102dfSMasahiro Yamada		echo '.balign STRUCT_ALIGNMENT';			\
42654102dfSMasahiro Yamada		echo ".global $${symbase}_begin";			\
43654102dfSMasahiro Yamada		echo "$${symbase}_begin:";				\
44654102dfSMasahiro Yamada		echo '.incbin "'$$dtb'" ';				\
45654102dfSMasahiro Yamada		echo ".global $${symbase}_end";				\
46654102dfSMasahiro Yamada		echo "$${symbase}_end:";				\
47654102dfSMasahiro Yamada	done < $<;							\
48654102dfSMasahiro Yamada	} > $@
49654102dfSMasahiro Yamada
50654102dfSMasahiro Yamada.builtin-dtbs.S: .builtin-dtbs-list FORCE
51654102dfSMasahiro Yamada	$(call if_changed,wrap_dtbs)
52654102dfSMasahiro Yamada
53654102dfSMasahiro Yamadaquiet_cmd_gen_dtbs_list = GEN     $@
54654102dfSMasahiro Yamada      cmd_gen_dtbs_list = \
55654102dfSMasahiro Yamada	$(if $(CONFIG_BUILTIN_DTB_NAME), echo "arch/$(SRCARCH)/boot/dts/$(CONFIG_BUILTIN_DTB_NAME).dtb",:) > $@
56654102dfSMasahiro Yamada
57654102dfSMasahiro Yamada.builtin-dtbs-list: arch/$(SRCARCH)/boot/dts/dtbs-list FORCE
58654102dfSMasahiro Yamada	$(call if_changed,$(if $(CONFIG_BUILTIN_DTB_ALL),copy,gen_dtbs_list))
59654102dfSMasahiro Yamada
60654102dfSMasahiro Yamadatargets += .builtin-dtbs-list
61654102dfSMasahiro Yamada
62654102dfSMasahiro Yamadaifdef CONFIG_GENERIC_BUILTIN_DTB
63654102dfSMasahiro Yamadatargets += .builtin-dtbs.S .builtin-dtbs.o
64ac4f0678SArd Biesheuvel$(vmlinux-final): .builtin-dtbs.o
65654102dfSMasahiro Yamadaendif
66654102dfSMasahiro Yamada
67654102dfSMasahiro Yamada# vmlinux
68654102dfSMasahiro Yamada# ---------------------------------------------------------------------------
697b453719SMasahiro Yamada
705d4aeffbSMasahiro Yamadaifdef CONFIG_MODULES
715d4aeffbSMasahiro Yamadatargets += .vmlinux.export.o
72ac4f0678SArd Biesheuvel$(vmlinux-final): .vmlinux.export.o
735d4aeffbSMasahiro Yamadaendif
745d4aeffbSMasahiro Yamada
751198c9c6SNaveen N Raoifdef CONFIG_ARCH_WANTS_PRE_LINK_VMLINUX
76ac4f0678SArd Biesheuvel$(vmlinux-final): arch/$(SRCARCH)/tools/vmlinux.arch.o
771198c9c6SNaveen N Rao
781198c9c6SNaveen N Raoarch/$(SRCARCH)/tools/vmlinux.arch.o: vmlinux.o FORCE
791198c9c6SNaveen N Rao	$(Q)$(MAKE) $(build)=arch/$(SRCARCH)/tools $@
801198c9c6SNaveen N Raoendif
811198c9c6SNaveen N Rao
825d4aeffbSMasahiro YamadaARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
835d4aeffbSMasahiro Yamada
845d4aeffbSMasahiro Yamada# Final link of vmlinux with optional arch pass after final link
855d4aeffbSMasahiro Yamadacmd_link_vmlinux =							\
86e22bbb8eSArd Biesheuvel	$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)" "$@";	\
875d4aeffbSMasahiro Yamada	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
885d4aeffbSMasahiro Yamada
89ac4f0678SArd Biesheuveltargets += $(vmlinux-final)
90ac4f0678SArd Biesheuvel$(vmlinux-final): scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE
915d4aeffbSMasahiro Yamada	+$(call if_changed_dep,link_vmlinux)
9218e9944eSThomas Weißschuhifdef CONFIG_DEBUG_INFO_BTF
93ac4f0678SArd Biesheuvel$(vmlinux-final): $(RESOLVE_BTFIDS)
9418e9944eSThomas Weißschuhendif
957b453719SMasahiro Yamada
9682c09de2SXi Ruoyaoifdef CONFIG_BUILDTIME_TABLE_SORT
97f0e4b333SMasahiro Yamada$(vmlinux-final): scripts/sorttable
9882c09de2SXi Ruoyaoendif
9982c09de2SXi Ruoyao
100*e0cd396dSMasahiro Yamada# modules.builtin.ranges
1015f5e7344SKris Van Hees# ---------------------------------------------------------------------------
1025f5e7344SKris Van Heesifdef CONFIG_BUILTIN_MODULE_RANGES
1035f5e7344SKris Van Hees__default: modules.builtin.ranges
1045f5e7344SKris Van Hees
1055f5e7344SKris Van Heesquiet_cmd_modules_builtin_ranges = GEN     $@
1065f5e7344SKris Van Hees      cmd_modules_builtin_ranges = gawk -f $(real-prereqs) > $@
1075f5e7344SKris Van Hees
1085f5e7344SKris Van Heestargets += modules.builtin.ranges
1095f5e7344SKris Van Heesmodules.builtin.ranges: $(srctree)/scripts/generate_builtin_ranges.awk \
1105f5e7344SKris Van Hees			modules.builtin vmlinux.map vmlinux.o.map FORCE
1115f5e7344SKris Van Hees	$(call if_changed,modules_builtin_ranges)
1125f5e7344SKris Van Hees
113ac4f0678SArd Biesheuvelvmlinux.map: $(vmlinux-final)
1145f5e7344SKris Van Hees	@:
1155f5e7344SKris Van Hees
1165f5e7344SKris Van Heesendif
1175f5e7344SKris Van Hees
1188fb4ac1cSMasahiro Yamada# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
1197b453719SMasahiro Yamada# ---------------------------------------------------------------------------
1207b453719SMasahiro Yamada
1217b453719SMasahiro YamadaPHONY += FORCE
1227b453719SMasahiro YamadaFORCE:
1237b453719SMasahiro Yamada
1247b453719SMasahiro Yamada# Read all saved command lines and dependencies for the $(targets) we
1257b453719SMasahiro Yamada# may be building above, using $(if_changed{,_dep}). As an
1267b453719SMasahiro Yamada# optimization, we don't need to read them if the target does not
1277b453719SMasahiro Yamada# exist, we will rebuild anyway in that case.
1287b453719SMasahiro Yamada
1297b453719SMasahiro Yamadaexisting-targets := $(wildcard $(sort $(targets)))
1307b453719SMasahiro Yamada
1317b453719SMasahiro Yamada-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
1327b453719SMasahiro Yamada
1337b453719SMasahiro Yamada.PHONY: $(PHONY)
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