1# 2# The stub may be linked into the kernel proper or into a separate boot binary, 3# but in either case, it executes before the kernel does (with MMU disabled) so 4# things like ftrace and stack-protector are likely to cause trouble if left 5# enabled, even if doing so doesn't break the build. 6# 7cflags-$(CONFIG_X86_32) := -march=i386 8cflags-$(CONFIG_X86_64) := -mcmodel=small 9cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 \ 10 -fPIC -fno-strict-aliasing -mno-red-zone \ 11 -mno-mmx -mno-sse -DDISABLE_BRANCH_PROFILING 12 13cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS)) 14cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \ 15 -fno-builtin -fpic -mno-single-pic-base 16 17KBUILD_CFLAGS := $(cflags-y) \ 18 $(call cc-option,-ffreestanding) \ 19 $(call cc-option,-fno-stack-protector) 20 21GCOV_PROFILE := n 22 23lib-y := efi-stub-helper.o 24lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o 25 26CFLAGS_fdt.o += -I$(srctree)/scripts/dtc/libfdt/ 27