| # SPDX-License-Identifier: GPL-2.0 |
| # This file was copied from arm64/kernel/pi/Makefile. |
| |
| KBUILD_CFLAGS := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) -fpie \ |
| -Os -DDISABLE_BRANCH_PROFILING $(DISABLE_STACKLEAK_PLUGIN) \ |
| $(call cc-option,-mbranch-protection=none) \ |
| -I$(srctree)/scripts/dtc/libfdt -fno-stack-protector \ |
| -include $(srctree)/include/linux/hidden.h \ |
| -D__DISABLE_EXPORTS -ffreestanding \ |
| -fno-asynchronous-unwind-tables -fno-unwind-tables \ |
| $(call cc-option,-fno-addrsig) |
| |
| # Disable LTO |
| KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS)) |
| |
| KBUILD_CFLAGS += -mcmodel=medany |
| |
| CFLAGS_cmdline_early.o += -D__NO_FORTIFY |
| CFLAGS_lib-fdt_ro.o += -D__NO_FORTIFY |
| CFLAGS_fdt_early.o += -D__NO_FORTIFY |
| |
| $(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbols=__pi_ \ |
| --remove-section=.note.gnu.property \ |
| --prefix-alloc-sections=.init.pi |
| $(obj)/%.pi.o: $(obj)/%.o FORCE |
| $(call if_changed,objcopy) |
| |
| $(obj)/lib-%.o: $(srctree)/lib/%.c FORCE |
| $(call if_changed_rule,cc_o_c) |
| |
| $(obj)/string.o: $(srctree)/lib/string.c FORCE |
| $(call if_changed_rule,cc_o_c) |
| |
| $(obj)/ctype.o: $(srctree)/lib/ctype.c FORCE |
| $(call if_changed_rule,cc_o_c) |
| |
| 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 archrandom_early.pi.o |
| extra-y := $(patsubst %.pi.o,%.o,$(obj-y)) |
