1# SPDX-License-Identifier: GPL-2.0
2# This file was copied from arm64/kernel/pi/Makefile.
3
4KBUILD_CFLAGS	:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) -fpie \
5		   -Os -DDISABLE_BRANCH_PROFILING $(DISABLE_STACKLEAK_PLUGIN) \
6		   $(call cc-option,-mbranch-protection=none) \
7		   -I$(srctree)/scripts/dtc/libfdt -fno-stack-protector \
8		   -D__DISABLE_EXPORTS -ffreestanding \
9		   -fno-asynchronous-unwind-tables -fno-unwind-tables \
10		   $(call cc-option,-fno-addrsig)
11
12KBUILD_CFLAGS	+= -mcmodel=medany
13
14CFLAGS_cmdline_early.o += -D__NO_FORTIFY
15CFLAGS_lib-fdt_ro.o += -D__NO_FORTIFY
16
17GCOV_PROFILE	:= n
18KASAN_SANITIZE	:= n
19KCSAN_SANITIZE	:= n
20UBSAN_SANITIZE	:= n
21KCOV_INSTRUMENT	:= n
22
23$(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbols=__pi_ \
24			       --remove-section=.note.gnu.property \
25			       --prefix-alloc-sections=.init.pi
26$(obj)/%.pi.o: $(obj)/%.o FORCE
27	$(call if_changed,objcopy)
28
29$(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
30	$(call if_changed_rule,cc_o_c)
31
32$(obj)/string.o: $(srctree)/lib/string.c FORCE
33	$(call if_changed_rule,cc_o_c)
34
35$(obj)/ctype.o: $(srctree)/lib/ctype.c FORCE
36	$(call if_changed_rule,cc_o_c)
37
38obj-y		:= cmdline_early.pi.o fdt_early.pi.o string.pi.o ctype.pi.o lib-fdt.pi.o lib-fdt_ro.pi.o
39extra-y		:= $(patsubst %.pi.o,%.o,$(obj-y))
40