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