tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2LDFLAGS_vmlinux := --no-undefined -X
3OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
4
5ifdef CONFIG_FUNCTION_TRACER
6arch-y += -malways-save-lp -mno-relax
7endif
8
9# Avoid generating FPU instructions
10arch-y += -mno-ext-fpu-sp -mno-ext-fpu-dp -mfloat-abi=soft
11
12# Enable <nds32_intrinsic.h>
13KBUILD_CFLAGS += -isystem $(shell $(CC) -print-file-name=include)
14KBUILD_CFLAGS += $(call cc-option, -mno-sched-prolog-epilog)
15KBUILD_CFLAGS += -mcmodel=large
16
17KBUILD_CFLAGS +=$(arch-y) $(tune-y)
18KBUILD_AFLAGS +=$(arch-y) $(tune-y)
19
20#Default value
21head-y := arch/nds32/kernel/head.o
22textaddr-y := $(CONFIG_PAGE_OFFSET)+0xc000
23
24TEXTADDR := $(textaddr-y)
25
26export TEXTADDR
27
28
29# If we have a machine-specific directory, then include it in the build.
30core-y += arch/nds32/kernel/ arch/nds32/mm/
31core-$(CONFIG_FPU) += arch/nds32/math-emu/
32libs-y += arch/nds32/lib/
33
34ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
35BUILTIN_DTB := y
36else
37BUILTIN_DTB := n
38endif
39
40ifdef CONFIG_CPU_LITTLE_ENDIAN
41KBUILD_CFLAGS += $(call cc-option, -EL)
42KBUILD_AFLAGS += $(call cc-option, -EL)
43KBUILD_LDFLAGS += $(call cc-option, -EL)
44CHECKFLAGS += -D__NDS32_EL__
45else
46KBUILD_CFLAGS += $(call cc-option, -EB)
47KBUILD_AFLAGS += $(call cc-option, -EB)
48KBUILD_LDFLAGS += $(call cc-option, -EB)
49CHECKFLAGS += -D__NDS32_EB__
50endif
51
52boot := arch/nds32/boot
53core-y += $(boot)/dts/
54
55Image: vmlinux
56 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
57
58
59PHONY += vdso_install
60vdso_install:
61 $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso $@
62
63prepare: vdso_prepare
64vdso_prepare: prepare0
65 $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso include/generated/vdso-offsets.h
66
67define archhelp
68 echo ' Image - kernel image (arch/$(ARCH)/boot/Image)'
69endef