Linux 5.19-rc3
[muen/linux.git] / arch / csky / Makefile
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)$(VDSPEXT)$(TEEEXT)
39 KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$(MCPU_STR)
40 KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\"
41 KBUILD_CFLAGS += -msoft-float -mdiv
42 KBUILD_CFLAGS += -fno-tree-vectorize
43 endif
44
45 KBUILD_CFLAGS += -pipe
46 ifeq ($(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)/%inc,$(abidirs))
56
57 KBUILD_CPPFLAGS += -mlittle-endian
58 LDFLAGS += -EL
59
60 KBUILD_AFLAGS += $(KBUILD_CFLAGS)
61
62 head-y := arch/csky/kernel/head.o
63
64 core-y += arch/csky/kernel/
65 core-y += arch/csky/mm/
66 core-y += arch/csky/$(CSKYABI)/
67
68 libs-y += arch/csky/lib/ \
69         $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
70
71 boot := arch/csky/boot
72 core-y += $(boot)/dts/
73
74 all: zImage
75
76 zImage Image uImage: vmlinux
77         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
78
79 define archhelp
80   echo  '* zImage       - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
81   echo  '  Image        - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
82   echo  '  uImage       - U-Boot wrapped zImage'
83 endef