1 # SPDX-License-Identifier: GPL-2.0-only
2 OBJCOPYFLAGS :=-O binary
3 GZFLAGS :=-9
4
5 ifdef CONFIG_CPU_HAS_FPU
6 FPUEXT = f
7 endif
8
9 ifdef CONFIG_CPU_HAS_VDSP
10 VDSPEXT = v
11 endif
12
13 ifdef CONFIG_CPU_HAS_TEE
14 TEEEXT = t
15 endif
16
17 ifdef CONFIG_CPU_CK610
18 CPUTYPE = ck610
19 CSKYABI = abiv1
20 endif
21
22 ifdef CONFIG_CPU_CK810
23 CPUTYPE = ck810
24 CSKYABI = abiv2
25 endif
26
27 ifdef CONFIG_CPU_CK807
28 CPUTYPE = ck807
29 CSKYABI = abiv2
30 endif
31
32 ifdef CONFIG_CPU_CK860
33 CPUTYPE = ck860
34 CSKYABI = abiv2
35 endif
36
37 ifneq ($(CSKYABI),)
38 MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEE
39 KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$(
40 KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_S
41 KBUILD_CFLAGS += -msoft-float -mdiv
42 KBUILD_CFLAGS += -fno-tree-vectorize
43 endif
44
45 KBUILD_CFLAGS += -pipe
46 ifeq ($(CSKYABI),abiv2)
47 KBUILD_CFLAGS += -mno-stack-size
48 endif
49
50 ifdef CONFIG_FRAME_POINTER
51 KBUILD_CFLAGS += -mbacktrace
52 endif
53
54 abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI
55 KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%in
56
57 KBUILD_CPPFLAGS += -mlittle-endian
58 LDFLAGS += -EL
59
60 KBUILD_AFLAGS += $(KBUILD_CFLAGS)
61
62 core-y += arch/csky/$(CSKYABI)/
63
64 libs-y += arch/csky/lib/ \
65 $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLA
66
67 boot := arch/csky/boot
68
69 all: zImage
70
71 zImage Image uImage: vmlinux
72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$
73
74 define archhelp
75 echo '* zImage - Compressed kernel im
76 echo ' Image - Uncompressed kernel
77 echo ' uImage - U-Boot wrapped zImag
78 endef
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