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