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1da177e4 1#
c2f1755b 2# arch/sh/Makefile
1da177e4
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3#
4# Copyright (C) 1999 Kaz Kojima
b2d86a3f 5# Copyright (C) 2002 - 2008 Paul Mundt
1da177e4
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6# Copyright (C) 2002 M. R. Brown
7#
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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.
1da177e4 11#
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12ifneq ($(SUBARCH),$(ARCH))
13 ifeq ($(CROSS_COMPILE),)
14 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
15 endif
16endif
17
cad82448 18isa-y := any
e5723e0e 19isa-$(CONFIG_SH_DSP) := sh
cad82448 20isa-$(CONFIG_CPU_SH2) := sh2
e5723e0e 21isa-$(CONFIG_CPU_SH2A) := sh2a
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22isa-$(CONFIG_CPU_SH3) := sh3
23isa-$(CONFIG_CPU_SH4) := sh4
24isa-$(CONFIG_CPU_SH4A) := sh4a
e5723e0e 25isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
c20c2004 26isa-$(CONFIG_CPU_SH5) := shmedia
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27
28ifeq ($(CONFIG_SUPERH32),y)
cad82448 29isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
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30isa-y := $(isa-y)-up
31endif
cad82448 32
6240d92f 33cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
f208b87b 34cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
aab1b16a 35cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
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36 $(call cc-option,-m2a-nofpu,) \
37 $(call cc-option,-m4-nofpu,)
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38cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
39cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
1da177e4 40 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
aab1b16a 41cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
6240d92f 42 $(call cc-option,-m4a-nofpu,)
8bcc5c1c 43cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
c20c2004 44cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
53644087 45
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46ifeq ($(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#
56cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
57 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
58# At this point, anything goes.
59isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
60else
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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#
69isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
70
71isaflags-$(CONFIG_SH_DSP) := \
72 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
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73endif
74
75cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
76cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
da2f5f7b 77
5dd61476 78cflags-y += $(call cc-option,-mno-fdpic)
da2f5f7b 79cflags-y += $(isaflags-y) -ffreestanding
1da177e4 80
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81OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
82 -R .stab -R .stabstr -S
1da177e4 83
c2f1755b 84# Give the various platforms the opportunity to set default image types
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85defaultimage-$(CONFIG_SUPERH32) := zImage
86defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
6f5cd2bd 87defaultimage-$(CONFIG_SH_RSK) := uImage
ae68df56 88defaultimage-$(CONFIG_SH_URQUELL) := uImage
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89defaultimage-$(CONFIG_SH_MIGOR) := uImage
90defaultimage-$(CONFIG_SH_AP325RXA) := uImage
e857bfd4 91defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
8144a7dd 92defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
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93defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
94defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
f36af733 95
c2f1755b 96# Set some sensible Kbuild defaults
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97boot := arch/sh/boot
98KBUILD_IMAGE := $(boot)/$(defaultimage-y)
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99
100#
101# Choosing incompatible machines durings configuration will result in
102# error messages during linking.
103#
b4db3aec 104ifdef CONFIG_SUPERH32
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105UTS_MACHINE := sh
106BITS := 32
107LDFLAGS_vmlinux += -e _stext
108KBUILD_DEFCONFIG := shx3_defconfig
b4db3aec 109else
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110UTS_MACHINE := sh64
111BITS := 64
112LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
113 --defsym phys_stext_shmedia=phys_stext+1 \
114 -e phys_stext_shmedia
115KBUILD_DEFCONFIG := cayman_defconfig
b4db3aec 116endif
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117
118ifdef CONFIG_CPU_LITTLE_ENDIAN
7b022d07 119ld-bfd := elf32-$(UTS_MACHINE)-linux
8e780be9 120LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
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121LDFLAGS += -EL
122else
7b022d07 123ld-bfd := elf32-$(UTS_MACHINE)big-linux
8e780be9 124LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
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125LDFLAGS += -EB
126endif
127
b2088356 128export ld-bfd BITS
7b022d07 129
41fe22f6 130head-y := arch/sh/kernel/head_$(BITS).o
1da177e4 131
c8b5d9dc 132core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
4b565680 133core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
1da177e4 134
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135core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/
136
c8b5d9dc 137# Mach groups
939a24a6 138machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
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139machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
140machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
141machdir-$(CONFIG_SH_SH03) += mach-sh03
da2014a2 142machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
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143machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
144machdir-$(CONFIG_SH_MIGOR) += mach-migor
53528928 145machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
e7d16514 146machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
4138b740 147machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
da2014a2 148machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
02bf6cc7 149machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
da2014a2 150machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
da2014a2 151machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
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152machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
153machdir-$(CONFIG_SH_LANDISK) += mach-landisk
da2014a2 154machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
da2014a2 155machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
ea0aac1e 156machdir-$(CONFIG_SH_RSK) += mach-rsk
25f8151b 157
1da177e4 158ifneq ($(machdir-y),)
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159core-y += $(addprefix arch/sh/boards/, \
160 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
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161endif
162
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163# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
164machdir-y += mach-common
165
1da177e4 166# Companion chips
4aafae27 167core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
1da177e4 168
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169#
170# CPU header paths
171#
172# These are ordered by optimization level. A CPU family that is a subset
173# of another (ie, SH-2A / SH-2), is picked up first, with increasing
174# levels of genericness if nothing more suitable is situated in the
175# hierarchy.
176#
177# As an example, in order of preference, SH-2A > SH-2 > common definitions.
178#
179cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
180cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
181cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
61a6976b 182cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
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183cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
184cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
185cpuincdir-y += cpu-common # Must be last
1da177e4 186
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187drivers-y += arch/sh/drivers/
188drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
189
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190cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
191 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
1da177e4 192
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193KBUILD_CFLAGS += -pipe $(cflags-y)
194KBUILD_CPPFLAGS += $(cflags-y)
195KBUILD_AFLAGS += $(cflags-y)
1da177e4 196
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197ifeq ($(CONFIG_MCOUNT),y)
198 KBUILD_CFLAGS += -pg
199endif
200
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201ifeq ($(CONFIG_DWARF_UNWINDER),y)
202 KBUILD_CFLAGS += -fasynchronous-unwind-tables
203endif
204
49de935c 205libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
180ae203 206libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
49de935c 207
50cfa79d 208BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
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209 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
210 romImage
3252b11f 211PHONY += $(BOOT_TARGETS)
1da177e4 212
e62c527e 213all: $(notdir $(KBUILD_IMAGE))
1da177e4 214
ef9b542f 215$(BOOT_TARGETS): vmlinux
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216 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
217
218compressed: zImage
219
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220archprepare:
221 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
d088f323 222
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223archclean:
224 $(Q)$(MAKE) $(clean)=$(boot)
c1d0d32a 225 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
1da177e4 226
1da177e4 227define archhelp
ef9b542f 228 @echo ' zImage - Compressed kernel image'
fdeb076f 229 @echo ' romImage - Compressed ROM image, if supported'
cf00e204 230 @echo ' vmlinux.srec - Create an ELF S-record'
eca50f14 231 @echo ' vmlinux.bin - Create an uncompressed binary image'
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232 @echo '* uImage - Alias to bootable U-Boot image'
233 @echo ' uImage.srec - Create an S-record for U-Boot'
a5c461bb 234 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
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235 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
236 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
237 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
50cfa79d 238 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
c7b16efb 239 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
1da177e4 240endef