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-rw-r--r--arch/csky/Makefile78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/csky/Makefile b/arch/csky/Makefile
new file mode 100644
index 0000000000..0e4237e557
--- /dev/null
+++ b/arch/csky/Makefile
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0-only
+OBJCOPYFLAGS :=-O binary
+GZFLAGS :=-9
+
+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=$(CPUTYPE) -Wa,-mcpu=$(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
+
+ifdef CONFIG_FRAME_POINTER
+KBUILD_CFLAGS += -mbacktrace
+endif
+
+abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI))
+KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs))
+
+KBUILD_CPPFLAGS += -mlittle-endian
+LDFLAGS += -EL
+
+KBUILD_AFLAGS += $(KBUILD_CFLAGS)
+
+core-y += arch/csky/$(CSKYABI)/
+
+libs-y += arch/csky/lib/ \
+ $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
+
+boot := arch/csky/boot
+
+all: zImage
+
+zImage Image uImage: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+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