diff options
Diffstat (limited to 'arch/arm64/Makefile')
| -rw-r--r-- | arch/arm64/Makefile | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 1c43cec971b5..fa985ad3defc 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -15,11 +15,11 @@ CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S GZFLAGS :=-9 -LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) - KBUILD_DEFCONFIG := defconfig KBUILD_CFLAGS += -mgeneral-regs-only +KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) + ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian AS += -EB @@ -32,6 +32,10 @@ endif CHECKFLAGS += -D__aarch64__ +ifeq ($(CONFIG_ARM64_ERRATUM_843419), y) +KBUILD_CFLAGS_MODULE += -mcmodel=large +endif + # Default value head-y := arch/arm64/kernel/head.o @@ -42,6 +46,13 @@ else TEXT_OFFSET := 0x00080000 endif +# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - 3)) - (1 << 61) +# in 32-bit arithmetic +KASAN_SHADOW_OFFSET := $(shell printf "0x%08x00000000\n" $$(( \ + (0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \ + + (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - 3)) \ + - (1 << (64 - 32 - 3)) )) ) + export TEXT_OFFSET GZFLAGS core-y += arch/arm64/kernel/ arch/arm64/mm/ @@ -50,7 +61,6 @@ core-$(CONFIG_KVM) += arch/arm64/kvm/ core-$(CONFIG_XEN) += arch/arm64/xen/ core-$(CONFIG_CRYPTO) += arch/arm64/crypto/ libs-y := arch/arm64/lib/ $(libs-y) -libs-y += $(LIBGCC) libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/ # Default target when executing plain make @@ -85,6 +95,7 @@ vdso_install: # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) + $(Q)$(MAKE) $(clean)=$(boot)/dts define archhelp echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)' |