xref: /openbmc/linux/arch/csky/Makefile (revision 4aea96f4)
1OBJCOPYFLAGS		:=-O binary
2GZFLAGS			:=-9
3KBUILD_DEFCONFIG	:= defconfig
4
5ifdef CONFIG_CPU_HAS_FPU
6FPUEXT = f
7endif
8
9ifdef CONFIG_CPU_HAS_VDSP
10VDSPEXT = v
11endif
12
13ifdef CONFIG_CPU_HAS_TEE
14TEEEXT = t
15endif
16
17ifdef CONFIG_CPU_CK610
18CPUTYPE	= ck610
19CSKYABI	= abiv1
20endif
21
22ifdef CONFIG_CPU_CK810
23CPUTYPE = ck810
24CSKYABI	= abiv2
25endif
26
27ifdef CONFIG_CPU_CK807
28CPUTYPE = ck807
29CSKYABI	= abiv2
30endif
31
32ifdef CONFIG_CPU_CK860
33CPUTYPE = ck860
34CSKYABI	= abiv2
35endif
36
37ifneq ($(CSKYABI),)
38MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEEXT)
39KBUILD_CFLAGS += -mcpu=$(MCPU_STR)
40KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\"
41KBUILD_CFLAGS += -msoft-float -mdiv
42KBUILD_CFLAGS += -fno-tree-vectorize
43endif
44
45KBUILD_CFLAGS += -pipe
46ifeq ($(CSKYABI),abiv2)
47KBUILD_CFLAGS += -mno-stack-size
48endif
49
50abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI))
51KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs))
52
53KBUILD_CPPFLAGS += -mlittle-endian
54LDFLAGS += -EL
55
56KBUILD_AFLAGS += $(KBUILD_CFLAGS)
57
58head-y := arch/csky/kernel/head.o
59
60core-y += arch/csky/kernel/
61core-y += arch/csky/mm/
62core-y += arch/csky/$(CSKYABI)/
63
64libs-y += arch/csky/lib/ \
65	$(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
66
67boot := arch/csky/boot
68core-y += $(boot)/dts/
69
70all: zImage
71
72zImage Image uImage: vmlinux
73	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
74
75archclean:
76	$(Q)$(MAKE) $(clean)=$(boot)
77
78define archhelp
79  echo  '* zImage       - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
80  echo  '  Image        - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
81  echo  '  uImage       - U-Boot wrapped zImage'
82endef
83