1 #
2 # arch/sh/Makefile
3 #
4 # Copyright (C) 1999 Kaz Kojima
5 # Copyright (C) 2002 - 2008 Paul Mundt
6 # Copyright (C) 2002 M. R. Brown
7 #
8 # This file is subject to the terms and condit
9 # License. See the file "COPYING" in the main
10 # for more details.
11 #
12 ifdef cross_compiling
13 ifeq ($(CROSS_COMPILE),)
14 CROSS_COMPILE := $(call cc-cross-prefix, s
15 endif
16 endif
17
18 KBUILD_DEFCONFIG := shx3_defconfig
19
20 isa-y := any
21 isa-$(CONFIG_SH_DSP) := sh
22 isa-$(CONFIG_CPU_SH2) := sh2
23 isa-$(CONFIG_CPU_SH2A) := sh2
24 isa-$(CONFIG_CPU_SH3) := sh3
25 isa-$(CONFIG_CPU_SH4) := sh4
26 isa-$(CONFIG_CPU_SH4A) := sh4
27 isa-$(CONFIG_CPU_SH4AL_DSP) := sh4
28
29 isa-$(CONFIG_SH_DSP) := $(i
30 isa-y := $(i
31
32 cflags-$(CONFIG_CPU_SH2) := $(c
33 cflags-$(CONFIG_CPU_J2) += $(c
34 cflags-$(CONFIG_CPU_SH2A) += $(c
35 $(c
36 $(c
37 cflags-$(CONFIG_CPU_SH3) := $(c
38 cflags-$(CONFIG_CPU_SH4) := $(c
39 $(call cc-option,-mno-implicit-fp,-m4-
40 cflags-$(CONFIG_CPU_SH4A) += $(c
41 $(c
42 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(c
43
44 ifeq ($(cflags-y),)
45 #
46 # In the case where we are stuck with a compil
47 # restricted to a particular ISA, a favourite
48 # extensive multilib targets are not provided,
49 # regarding FP generation. This is intentional
50 # orders of magnitude less than GCC's default
51 # with a large number of multilib targets bett
52 # correctly for the target in mind.
53 #
54 cflags-y += $(shell $(CC) $(KBUILD_CFLA
55 grep nofpu | sed q | sed
56 # At this point, anything goes.
57 isaflags-y := $(call as-option,-Wa$(comma
58 else
59 #
60 # -Wa,-isa= tuning implies -Wa,-dsp for the ve
61 # support it, while -Wa,-dsp by itself limits
62 # on certain CPU subtypes. Try the ISA variant
63 # fall back on -Wa,-dsp for the old binutils v
64 # opcodes, we always want the best ISA tuning
65 # will provide.
66 #
67 isaflags-y := $(call as-option,-Wa$(comma
68
69 isaflags-$(CONFIG_SH_DSP) := \
70 $(call as-option,-Wa$(comma)-isa=$(isa
71 endif
72
73 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
74 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
75
76 cflags-y += $(call cc-option,-mno-fdpic
77 cflags-y += $(isaflags-y) -ffreestandin
78
79 OBJCOPYFLAGS := -O binary -R .note -R .note
80 -R .stab -R .stabstr -S
81
82 # Give the various platforms the opportunity t
83 defaultimage-y
84 defaultimage-$(CONFIG_SH_SH7785LCR)
85 defaultimage-$(CONFIG_SH_RSK)
86 defaultimage-$(CONFIG_SH_URQUELL)
87 defaultimage-$(CONFIG_SH_MIGOR)
88 defaultimage-$(CONFIG_SH_AP325RXA)
89 defaultimage-$(CONFIG_SH_SH7757LCR)
90 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE)
91 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)
92 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)
93
94 # Set some sensible Kbuild defaults
95 boot := arch/sh/boot
96 KBUILD_IMAGE := $(boot)/$(defaultim
97
98 #
99 # Choosing incompatible machines durings confi
100 # error messages during linking.
101 #
102 UTS_MACHINE := sh
103 LDFLAGS_vmlinux += -e _stext
104
105 ifdef CONFIG_CPU_LITTLE_ENDIAN
106 ld-bfd := elf32-sh-linux
107 LDFLAGS_vmlinux += --defsym jiffies=ji
108 KBUILD_LDFLAGS += -EL
109 else
110 ld-bfd := elf32-shbig-linux
111 LDFLAGS_vmlinux += --defsym jiffies=ji
112 KBUILD_LDFLAGS += -EB
113 endif
114
115 export ld-bfd
116
117 # Mach groups
118 machdir-$(CONFIG_SOLUTION_ENGINE)
119 machdir-$(CONFIG_SH_DREAMCAST)
120 machdir-$(CONFIG_SH_SH03)
121 machdir-$(CONFIG_SH_MIGOR)
122 machdir-$(CONFIG_SH_KFR2R09)
123 machdir-$(CONFIG_SH_ECOVEC)
124 machdir-$(CONFIG_SH_SDK7786)
125 machdir-$(CONFIG_SH_X3PROTO)
126 machdir-$(CONFIG_SH_LANDISK)
127 machdir-y
128
129 #
130 # CPU header paths
131 #
132 # These are ordered by optimization level. A C
133 # of another (ie, SH-2A / SH-2), is picked up
134 # levels of genericness if nothing more suitab
135 # hierarchy.
136 #
137 # As an example, in order of preference, SH-2A
138 #
139 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
140 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
141 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
142 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
143 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
144 cpuincdir-y += cpu-common
145
146 drivers-y += arch/sh/dri
147
148 KBUILD_CPPFLAGS += $(addprefix -I $(sr
149 KBUILD_CFLAGS += -pipe $(cflags-y)
150 KBUILD_AFLAGS += $(cflags-y)
151
152 ifeq ($(CONFIG_MCOUNT),y)
153 KBUILD_CFLAGS += -pg
154 endif
155
156 ifeq ($(CONFIG_DWARF_UNWINDER),y)
157 KBUILD_CFLAGS += -fasynchronous-unwind-table
158 endif
159
160 libs-y := arch/sh/lib/ $(libs
161
162 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uIm
163 uImage.srec uImage.bin zImage v
164 romImage
165 PHONY += $(BOOT_TARGETS)
166
167 all: $(notdir $(KBUILD_IMAGE))
168
169 $(BOOT_TARGETS): vmlinux
170 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$
171
172 compressed: zImage
173
174 archprepare:
175 $(Q)$(MAKE) $(build)=arch/sh/tools inc
176
177 archheaders:
178 $(Q)$(MAKE) $(build)=arch/sh/kernel/sy
179
180 define archhelp
181 @echo ' zImage - C
182 @echo ' romImage - C
183 @echo ' vmlinux.srec - C
184 @echo ' vmlinux.bin - C
185 @echo '* uImage - A
186 @echo ' uImage.srec - C
187 @echo ' uImage.bin - K
188 @echo '* uImage.gz - K
189 @echo ' uImage.bz2 - K
190 @echo ' uImage.lzma - K
191 @echo ' uImage.xz - K
192 @echo ' uImage.lzo - K
193 endef
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