xref: /linux/arch/x86/boot/startup/Makefile (revision ab93e0dd72c37d378dd936f031ffb83ff2bd87ce)
1# SPDX-License-Identifier: GPL-2.0
2
3KBUILD_AFLAGS		+= -D__DISABLE_EXPORTS
4KBUILD_CFLAGS		+= -D__DISABLE_EXPORTS -mcmodel=small -fPIC \
5			   -Os -DDISABLE_BRANCH_PROFILING \
6			   $(DISABLE_STACKLEAK_PLUGIN) \
7			   -fno-stack-protector -D__NO_FORTIFY \
8			   -fno-jump-tables \
9			   -include $(srctree)/include/linux/hidden.h
10
11# disable ftrace hooks and LTO
12KBUILD_CFLAGS	:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS))
13KBUILD_CFLAGS	:= $(filter-out $(CC_FLAGS_LTO),$(KBUILD_CFLAGS))
14KASAN_SANITIZE	:= n
15KCSAN_SANITIZE	:= n
16KMSAN_SANITIZE	:= n
17UBSAN_SANITIZE	:= n
18KCOV_INSTRUMENT	:= n
19
20obj-$(CONFIG_X86_64)		+= gdt_idt.o map_kernel.o
21obj-$(CONFIG_AMD_MEM_ENCRYPT)	+= sme.o sev-startup.o
22
23lib-$(CONFIG_X86_64)		+= la57toggle.o
24lib-$(CONFIG_EFI_MIXED)		+= efi-mixed.o
25
26#
27# Disable objtool validation for all library code, which is intended
28# to be linked into the decompressor or the EFI stub but not vmlinux
29#
30$(patsubst %.o,$(obj)/%.o,$(lib-y)): OBJECT_FILES_NON_STANDARD := y
31