1 # SPDX-License-Identifier: GPL-2.0
2 # This file was copied from arm64/kernel/pi/Makefile.
4 KBUILD_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)
12 KBUILD_CFLAGS += -mcmodel=medany
14 CFLAGS_cmdline_early.o += -D__NO_FORTIFY
15 CFLAGS_lib-fdt_ro.o += -D__NO_FORTIFY
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)
29 $(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
30 $(call if_changed_rule,cc_o_c)
32 $(obj)/string.o: $(srctree)/lib/string.c FORCE
33 $(call if_changed_rule,cc_o_c)
35 $(obj)/ctype.o: $(srctree)/lib/ctype.c FORCE
36 $(call if_changed_rule,cc_o_c)
38 obj-y := cmdline_early.pi.o fdt_early.pi.o string.pi.o ctype.pi.o lib-fdt.pi.o lib-fdt_ro.pi.o
39 extra-y := $(patsubst %.pi.o,%.o,$(obj-y))