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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
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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#
cad82448 12isa-y := any
e5723e0e 13isa-$(CONFIG_SH_DSP) := sh
cad82448 14isa-$(CONFIG_CPU_SH2) := sh2
e5723e0e 15isa-$(CONFIG_CPU_SH2A) := sh2a
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16isa-$(CONFIG_CPU_SH3) := sh3
17isa-$(CONFIG_CPU_SH4) := sh4
18isa-$(CONFIG_CPU_SH4A) := sh4a
e5723e0e 19isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
c20c2004 20isa-$(CONFIG_CPU_SH5) := shmedia
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21
22ifeq ($(CONFIG_SUPERH32),y)
cad82448 23isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
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24isa-y := $(isa-y)-up
25endif
cad82448 26
6240d92f 27cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
aab1b16a 28cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
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29 $(call cc-option,-m2a-nofpu,)
30cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
31cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
1da177e4 32 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
aab1b16a 33cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
6240d92f 34 $(call cc-option,-m4a-nofpu,)
c20c2004 35cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
53644087 36
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37ifeq ($(cflags-y),)
38#
39# In the case where we are stuck with a compiler that has been uselessly
40# restricted to a particular ISA, a favourite default of newer GCCs when
41# extensive multilib targets are not provided, ensure we get the best fit
42# regarding FP generation. This is necessary to avoid references to FP
43# variants in libgcc where integer variants exist, which otherwise result
44# in link errors. This is intentionally stupid (albeit many orders of
45# magnitude less than GCC's default behaviour), as anything with a large
46# number of multilib targets better have been built correctly for
47# the target in mind.
48#
49cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
50 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
51endif
52
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53cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
54cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
55
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56cflags-y += $(call cc-option,-mno-fdpic)
57
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58#
59# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
60# support it, while -Wa,-dsp by itself limits the range of usable opcodes
61# on certain CPU subtypes. Try the ISA variant first, and if that fails,
62# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
63# opcodes, we always want the best ISA tuning the version of binutils
64# will provide.
65#
66isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
67
68isaflags-$(CONFIG_SH_DSP) := \
69 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
70
71cflags-y += $(isaflags-y) -ffreestanding
1da177e4 72
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73cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
74 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
75
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76OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
77 -R .stab -R .stabstr -S
1da177e4 78
c2f1755b 79# Give the various platforms the opportunity to set default image types
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80defaultimage-$(CONFIG_SUPERH32) := zImage
81defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
f36af733 82
c2f1755b 83# Set some sensible Kbuild defaults
cfb81f36 84KBUILD_DEFCONFIG := shx3_defconfig
c2f1755b 85KBUILD_IMAGE := $(defaultimage-y)
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86
87#
88# Choosing incompatible machines durings configuration will result in
89# error messages during linking.
90#
b4db3aec 91ifdef CONFIG_SUPERH32
09558748 92UTS_MACHINE := sh
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93LDFLAGS_vmlinux += -e _stext
94else
09558748 95UTS_MACHINE := sh64
36763b22 96LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
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97 --defsym phys_stext_shmedia=phys_stext+1 \
98 -e phys_stext_shmedia
99endif
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100
101ifdef CONFIG_CPU_LITTLE_ENDIAN
102LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
103LDFLAGS += -EL
104else
105LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
106LDFLAGS += -EB
107endif
108
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109head-y := arch/sh/kernel/init_task.o
110head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
111head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
1da177e4 112
c8b5d9dc 113core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
4b565680 114core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
1da177e4 115
c8b5d9dc 116# Mach groups
939a24a6 117machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
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118machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
119machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
120machdir-$(CONFIG_SH_SH03) += mach-sh03
121machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear
122machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
123machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
124machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
125machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
126machdir-$(CONFIG_SH_MIGOR) += mach-migor
127machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
128machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
da2014a2 129machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
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130machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
131machdir-$(CONFIG_SH_LANDISK) += mach-landisk
132machdir-$(CONFIG_SH_TITAN) += mach-titan
da2014a2 133machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
da2014a2 134machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
25f8151b 135
1da177e4 136ifneq ($(machdir-y),)
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137core-y += $(addprefix arch/sh/boards/, \
138 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
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139endif
140
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141# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
142machdir-y += mach-common
143
1da177e4 144# Companion chips
4aafae27 145core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
1da177e4 146
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147#
148# CPU header paths
149#
150# These are ordered by optimization level. A CPU family that is a subset
151# of another (ie, SH-2A / SH-2), is picked up first, with increasing
152# levels of genericness if nothing more suitable is situated in the
153# hierarchy.
154#
155# As an example, in order of preference, SH-2A > SH-2 > common definitions.
156#
157cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
158cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
159cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
160cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
161cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
162cpuincdir-y += cpu-common # Must be last
1da177e4 163
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164drivers-y += arch/sh/drivers/
165drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
166
167boot := arch/sh/boot
168
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169cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
170 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
1da177e4 171
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172KBUILD_CFLAGS += -pipe $(cflags-y)
173KBUILD_CPPFLAGS += $(cflags-y)
174KBUILD_AFLAGS += $(cflags-y)
1da177e4 175
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176LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
177
178libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
179libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
180libs-y += $(LIBGCC)
181
4f193362 182PHONY += maketools FORCE
d088f323 183
cca6e6f5 184maketools: include/linux/version.h FORCE
4385e12b 185 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
1da177e4 186
c2f1755b 187all: $(KBUILD_IMAGE)
1da177e4 188
cf00e204 189zImage uImage uImage.srec vmlinux.srec: vmlinux
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190 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
191
192compressed: zImage
193
f15cbe6f 194archprepare: maketools arch/sh/lib64/syscalltab.h
d088f323 195
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196archclean:
197 $(Q)$(MAKE) $(clean)=$(boot)
198
1da177e4 199define archhelp
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200 @echo '* zImage - Compressed kernel image'
201 @echo ' vmlinux.srec - Create an ELF S-record'
202 @echo ' uImage - Create a bootable image for U-Boot'
203 @echo ' uImage.srec - Create an S-record for U-Boot'
1da177e4 204endef
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205
206define filechk_gen-syscalltab
207 (set -e; \
208 echo "/*"; \
209 echo " * DO NOT MODIFY."; \
210 echo " *"; \
211 echo " * This file was generated by arch/sh/Makefile"; \
212 echo " * Any changes will be reverted at build time."; \
213 echo " */"; \
214 echo ""; \
215 echo "#ifndef __SYSCALLTAB_H"; \
216 echo "#define __SYSCALLTAB_H"; \
217 echo ""; \
218 echo "#include <linux/kernel.h>"; \
219 echo ""; \
220 echo "struct syscall_info {"; \
221 echo " const char *name;"; \
222 echo "} syscall_info_table[] = {"; \
223 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
224 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
225 echo "};"; \
226 echo ""; \
227 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
228 echo ""; \
229 echo "#endif /* __SYSCALLTAB_H */" )
230endef
231
232arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
233 $(call filechk,gen-syscalltab)
234
235CLEAN_FILES += arch/sh/lib64/syscalltab.h \
4385e12b 236 include/asm-sh/machtypes.h