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| author | Guo Ren <ren_guo@c-sky.com> | 2018-09-05 08:25:06 +0200 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-10-25 17:36:19 +0200 |
| commit | c32e64e852f3f5c0fd709f84bc94736840088375 (patch) | |
| tree | 420e0ad361bb187377d7e038b3058391a169466c /arch/csky/Makefile | |
| parent | Linux 4.19 (diff) | |
| download | linux-c32e64e852f3f5c0fd709f84bc94736840088375.tar.xz linux-c32e64e852f3f5c0fd709f84bc94736840088375.zip | |
csky: Build infrastructure
This patch adds Makefile, Kconfig for build infrastructure.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/Makefile')
| -rw-r--r-- | arch/csky/Makefile | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/csky/Makefile b/arch/csky/Makefile new file mode 100644 index 000000000000..67a4ae1fba2b --- /dev/null +++ b/arch/csky/Makefile @@ -0,0 +1,93 @@ +OBJCOPYFLAGS :=-O binary +GZFLAGS :=-9 +KBUILD_DEFCONFIG := defconfig + +ifdef CONFIG_CPU_HAS_FPU +FPUEXT = f +endif + +ifdef CONFIG_CPU_HAS_VDSP +VDSPEXT = v +endif + +ifdef CONFIG_CPU_HAS_TEE +TEEEXT = t +endif + +ifdef CONFIG_CPU_CK610 +CPUTYPE = ck610 +CSKYABI = abiv1 +endif + +ifdef CONFIG_CPU_CK810 +CPUTYPE = ck810 +CSKYABI = abiv2 +endif + +ifdef CONFIG_CPU_CK807 +CPUTYPE = ck807 +CSKYABI = abiv2 +endif + +ifdef CONFIG_CPU_CK860 +CPUTYPE = ck860 +CSKYABI = abiv2 +endif + +ifneq ($(CSKYABI),) +MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEEXT) +KBUILD_CFLAGS += -mcpu=$(MCPU_STR) +KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\" +KBUILD_CFLAGS += -msoft-float -mdiv +KBUILD_CFLAGS += -fno-tree-vectorize +endif + +KBUILD_CFLAGS += -pipe +ifeq ($(CSKYABI),abiv2) +KBUILD_CFLAGS += -mno-stack-size +endif + +abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI)) +KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs)) + +KBUILD_CPPFLAGS += -mlittle-endian +LDFLAGS += -EL + +KBUILD_AFLAGS += $(KBUILD_CFLAGS) + +head-y := arch/csky/kernel/head.o + +core-y += arch/csky/kernel/ +core-y += arch/csky/mm/ +core-y += arch/csky/$(CSKYABI)/ + +libs-y += arch/csky/lib/ \ + $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name) + +boot := arch/csky/boot +ifneq '$(CONFIG_CSKY_BUILTIN_DTB)' '""' +core-y += $(boot)/dts/ +endif + +all: zImage + + +dtbs: scripts + $(Q)$(MAKE) $(build)=$(boot)/dts + +%.dtb %.dtb.S %.dtb.o: scripts + $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ + +zImage Image uImage: vmlinux dtbs + $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ + +archclean: + $(Q)$(MAKE) $(clean)=$(boot) + $(Q)$(MAKE) $(clean)=$(boot)/dts + rm -rf arch/csky/include/generated + +define archhelp + echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' + echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' + echo ' uImage - U-Boot wrapped zImage' +endef |