| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | LDFLAGS_vmlinux := --no-undefined -X |
| 3 | OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S |
| 4 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 5 | ifdef CONFIG_FUNCTION_TRACER |
| 6 | arch-y += -malways-save-lp -mno-relax |
| 7 | endif |
| 8 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 9 | # Avoid generating FPU instructions |
| 10 | arch-y += -mno-ext-fpu-sp -mno-ext-fpu-dp -mfloat-abi=soft |
| 11 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 12 | KBUILD_CFLAGS += $(call cc-option, -mno-sched-prolog-epilog) |
| 13 | KBUILD_CFLAGS += -mcmodel=large |
| 14 | |
| 15 | KBUILD_CFLAGS +=$(arch-y) $(tune-y) |
| 16 | KBUILD_AFLAGS +=$(arch-y) $(tune-y) |
| 17 | |
| 18 | #Default value |
| 19 | head-y := arch/nds32/kernel/head.o |
| 20 | textaddr-y := $(CONFIG_PAGE_OFFSET)+0xc000 |
| 21 | |
| 22 | TEXTADDR := $(textaddr-y) |
| 23 | |
| 24 | export TEXTADDR |
| 25 | |
| 26 | |
| 27 | # If we have a machine-specific directory, then include it in the build. |
| 28 | core-y += arch/nds32/kernel/ arch/nds32/mm/ |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 29 | core-$(CONFIG_FPU) += arch/nds32/math-emu/ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 30 | libs-y += arch/nds32/lib/ |
| 31 | |
| 32 | ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""' |
| 33 | BUILTIN_DTB := y |
| 34 | else |
| 35 | BUILTIN_DTB := n |
| 36 | endif |
| 37 | |
| 38 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
| 39 | KBUILD_CFLAGS += $(call cc-option, -EL) |
| 40 | KBUILD_AFLAGS += $(call cc-option, -EL) |
| 41 | KBUILD_LDFLAGS += $(call cc-option, -EL) |
| 42 | CHECKFLAGS += -D__NDS32_EL__ |
| 43 | else |
| 44 | KBUILD_CFLAGS += $(call cc-option, -EB) |
| 45 | KBUILD_AFLAGS += $(call cc-option, -EB) |
| 46 | KBUILD_LDFLAGS += $(call cc-option, -EB) |
| 47 | CHECKFLAGS += -D__NDS32_EB__ |
| 48 | endif |
| 49 | |
| 50 | boot := arch/nds32/boot |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 51 | core-y += $(boot)/dts/ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 52 | |
| 53 | Image: vmlinux |
| 54 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
| 55 | |
| 56 | |
| 57 | PHONY += vdso_install |
| 58 | vdso_install: |
| 59 | $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso $@ |
| 60 | |
| 61 | prepare: vdso_prepare |
| 62 | vdso_prepare: prepare0 |
| 63 | $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso include/generated/vdso-offsets.h |
| 64 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 65 | archclean: |
| 66 | $(Q)$(MAKE) $(clean)=$(boot) |
| 67 | |
| 68 | define archhelp |
| 69 | echo ' Image - kernel image (arch/$(ARCH)/boot/Image)' |
| 70 | endef |