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[mirror_ubuntu-zesty-kernel.git] / arch / sh / Makefile
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 conditions of the GNU General Public
9 # License. See the file "COPYING" in the main directory of this archive
10 # for more details.
11 #
12 ifneq ($(SUBARCH),$(ARCH))
13 ifeq ($(CROSS_COMPILE),)
14 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
15 endif
16 endif
17
18 isa-y := any
19 isa-$(CONFIG_SH_DSP) := sh
20 isa-$(CONFIG_CPU_SH2) := sh2
21 isa-$(CONFIG_CPU_SH2A) := sh2a
22 isa-$(CONFIG_CPU_SH3) := sh3
23 isa-$(CONFIG_CPU_SH4) := sh4
24 isa-$(CONFIG_CPU_SH4A) := sh4a
25 isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
26 isa-$(CONFIG_CPU_SH5) := shmedia
27
28 ifeq ($(CONFIG_SUPERH32),y)
29 isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
30 isa-y := $(isa-y)-up
31 endif
32
33 cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
34 cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
35 cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
36 $(call cc-option,-m2a-nofpu,) \
37 $(call cc-option,-m4-nofpu,)
38 cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
39 cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
40 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
41 cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
42 $(call cc-option,-m4a-nofpu,)
43 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
44 cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
45
46 ifeq ($(cflags-y),)
47 #
48 # In the case where we are stuck with a compiler that has been uselessly
49 # restricted to a particular ISA, a favourite default of newer GCCs when
50 # extensive multilib targets are not provided, ensure we get the best fit
51 # regarding FP generation. This is intentionally stupid (albeit many
52 # orders of magnitude less than GCC's default behaviour), as anything
53 # with a large number of multilib targets better have been built
54 # correctly for the target in mind.
55 #
56 cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
57 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
58 # At this point, anything goes.
59 isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
60 else
61 #
62 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
63 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
64 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
65 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
66 # opcodes, we always want the best ISA tuning the version of binutils
67 # will provide.
68 #
69 isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
70
71 isaflags-$(CONFIG_SH_DSP) := \
72 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
73 endif
74
75 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
76 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
77
78 cflags-y += $(call cc-option,-mno-fdpic)
79 cflags-y += $(isaflags-y) -ffreestanding
80
81 OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
82 -R .stab -R .stabstr -S
83
84 # Give the various platforms the opportunity to set default image types
85 defaultimage-$(CONFIG_SUPERH32) := zImage
86 defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
87 defaultimage-$(CONFIG_SH_RSK) := uImage
88 defaultimage-$(CONFIG_SH_URQUELL) := uImage
89 defaultimage-$(CONFIG_SH_MIGOR) := uImage
90 defaultimage-$(CONFIG_SH_AP325RXA) := uImage
91 defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
92 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
93 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
94 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
95
96 # Set some sensible Kbuild defaults
97 KBUILD_IMAGE := $(defaultimage-y)
98
99 #
100 # Choosing incompatible machines durings configuration will result in
101 # error messages during linking.
102 #
103 ifdef CONFIG_SUPERH32
104 UTS_MACHINE := sh
105 BITS := 32
106 LDFLAGS_vmlinux += -e _stext
107 KBUILD_DEFCONFIG := shx3_defconfig
108 else
109 UTS_MACHINE := sh64
110 BITS := 64
111 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
112 --defsym phys_stext_shmedia=phys_stext+1 \
113 -e phys_stext_shmedia
114 KBUILD_DEFCONFIG := cayman_defconfig
115 endif
116
117 ifdef CONFIG_CPU_LITTLE_ENDIAN
118 ld-bfd := elf32-$(UTS_MACHINE)-linux
119 LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
120 LDFLAGS += -EL
121 else
122 ld-bfd := elf32-$(UTS_MACHINE)big-linux
123 LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
124 LDFLAGS += -EB
125 endif
126
127 export ld-bfd BITS
128
129 head-y := arch/sh/kernel/head_$(BITS).o
130
131 core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
132 core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
133
134 core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/
135
136 # Mach groups
137 machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
138 machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
139 machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
140 machdir-$(CONFIG_SH_SH03) += mach-sh03
141 machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
142 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
143 machdir-$(CONFIG_SH_MIGOR) += mach-migor
144 machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
145 machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
146 machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
147 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
148 machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
149 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
150 machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
151 machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
152 machdir-$(CONFIG_SH_LANDISK) += mach-landisk
153 machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
154 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
155 machdir-$(CONFIG_SH_RSK) += mach-rsk
156
157 ifneq ($(machdir-y),)
158 core-y += $(addprefix arch/sh/boards/, \
159 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
160 endif
161
162 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
163 machdir-y += mach-common
164
165 # Companion chips
166 core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
167
168 #
169 # CPU header paths
170 #
171 # These are ordered by optimization level. A CPU family that is a subset
172 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
173 # levels of genericness if nothing more suitable is situated in the
174 # hierarchy.
175 #
176 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
177 #
178 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
179 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
180 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
181 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
182 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
183 cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
184 cpuincdir-y += cpu-common # Must be last
185
186 drivers-y += arch/sh/drivers/
187 drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
188
189 boot := arch/sh/boot
190
191 cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
192 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
193
194 KBUILD_CFLAGS += -pipe $(cflags-y)
195 KBUILD_CPPFLAGS += $(cflags-y)
196 KBUILD_AFLAGS += $(cflags-y)
197
198 ifeq ($(CONFIG_MCOUNT),y)
199 KBUILD_CFLAGS += -pg
200 endif
201
202 ifeq ($(CONFIG_DWARF_UNWINDER),y)
203 KBUILD_CFLAGS += -fasynchronous-unwind-tables
204 endif
205
206 libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
207 libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
208
209 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
210 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
211 romImage
212 PHONY += $(BOOT_TARGETS)
213
214 all: $(KBUILD_IMAGE)
215
216 $(BOOT_TARGETS): vmlinux
217 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
218
219 compressed: zImage
220
221 archprepare:
222 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
223
224 archclean:
225 $(Q)$(MAKE) $(clean)=$(boot)
226 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
227
228 define archhelp
229 @echo ' zImage - Compressed kernel image'
230 @echo ' romImage - Compressed ROM image, if supported'
231 @echo ' vmlinux.srec - Create an ELF S-record'
232 @echo ' vmlinux.bin - Create an uncompressed binary image'
233 @echo '* uImage - Alias to bootable U-Boot image'
234 @echo ' uImage.srec - Create an S-record for U-Boot'
235 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
236 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
237 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
238 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
239 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
240 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
241 endef