Loading...
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_SH2A) += $(call cc-option,-m2a,) \
35 $(call cc-option,-m2a-nofpu,)
36cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
37cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
38 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
39cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
40 $(call cc-option,-m4a-nofpu,)
41cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
42cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
43
44ifeq ($(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-$(CONFIG_SUPERH32) := 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
95KBUILD_IMAGE := $(defaultimage-y)
96
97#
98# Choosing incompatible machines durings configuration will result in
99# error messages during linking.
100#
101ifdef CONFIG_SUPERH32
102UTS_MACHINE := sh
103BITS := 32
104LDFLAGS_vmlinux += -e _stext
105KBUILD_DEFCONFIG := shx3_defconfig
106else
107UTS_MACHINE := sh64
108BITS := 64
109LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
110 --defsym phys_stext_shmedia=phys_stext+1 \
111 -e phys_stext_shmedia
112KBUILD_DEFCONFIG := cayman_defconfig
113endif
114
115ifdef CONFIG_CPU_LITTLE_ENDIAN
116ld-bfd := elf32-$(UTS_MACHINE)-linux
117LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
118LDFLAGS += -EL
119else
120ld-bfd := elf32-$(UTS_MACHINE)big-linux
121LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
122LDFLAGS += -EB
123endif
124
125export ld-bfd BITS
126
127head-y := arch/sh/kernel/head_$(BITS).o
128
129core-y += arch/sh/kernel arch/sh/mm/ arch/sh/boards/
130core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
131
132# Mach groups
133machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
134machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
135machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
136machdir-$(CONFIG_SH_SH03) += mach-sh03
137machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
138machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
139machdir-$(CONFIG_SH_MIGOR) += mach-migor
140machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
141machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
142machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
143machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
144machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
145machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
146machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
147machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
148machdir-$(CONFIG_SH_LANDISK) += mach-landisk
149machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
150machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
151machdir-$(CONFIG_SH_RSK) += mach-rsk
152
153ifneq ($(machdir-y),)
154core-y += $(addprefix arch/sh/boards/, \
155 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
156endif
157
158# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
159machdir-y += mach-common
160
161# Companion chips
162core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
163
164#
165# CPU header paths
166#
167# These are ordered by optimization level. A CPU family that is a subset
168# of another (ie, SH-2A / SH-2), is picked up first, with increasing
169# levels of genericness if nothing more suitable is situated in the
170# hierarchy.
171#
172# As an example, in order of preference, SH-2A > SH-2 > common definitions.
173#
174cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
175cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
176cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
177cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
178cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
179cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
180cpuincdir-y += cpu-common # Must be last
181
182drivers-y += arch/sh/drivers/
183drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
184
185boot := arch/sh/boot
186
187cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
188 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
189
190KBUILD_CFLAGS += -pipe $(cflags-y)
191KBUILD_CPPFLAGS += $(cflags-y)
192KBUILD_AFLAGS += $(cflags-y)
193
194ifeq ($(CONFIG_MCOUNT),y)
195 KBUILD_CFLAGS += -pg
196endif
197
198ifeq ($(CONFIG_DWARF_UNWINDER),y)
199 KBUILD_CFLAGS += -fasynchronous-unwind-tables
200endif
201
202ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
203 KBUILD_CFLAGS += -fstack-protector
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#
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
18ifeq ($(ARCH),sh)
19KBUILD_DEFCONFIG := shx3_defconfig
20else
21KBUILD_DEFCONFIG := cayman_defconfig
22endif
23
24isa-y := any
25isa-$(CONFIG_SH_DSP) := sh
26isa-$(CONFIG_CPU_SH2) := sh2
27isa-$(CONFIG_CPU_SH2A) := sh2a
28isa-$(CONFIG_CPU_SH3) := sh3
29isa-$(CONFIG_CPU_SH4) := sh4
30isa-$(CONFIG_CPU_SH4A) := sh4a
31isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
32isa-$(CONFIG_CPU_SH5) := shmedia
33
34ifeq ($(CONFIG_SUPERH32),y)
35isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
36isa-y := $(isa-y)-up
37endif
38
39cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
40cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
41cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
42 $(call cc-option,-m2a-nofpu,) \
43 $(call cc-option,-m4-nofpu,)
44cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
45cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
46 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
47cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
48 $(call cc-option,-m4a-nofpu,)
49cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
50cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
51
52ifeq ($(cflags-y),)
53#
54# In the case where we are stuck with a compiler that has been uselessly
55# restricted to a particular ISA, a favourite default of newer GCCs when
56# extensive multilib targets are not provided, ensure we get the best fit
57# regarding FP generation. This is intentionally stupid (albeit many
58# orders of magnitude less than GCC's default behaviour), as anything
59# with a large number of multilib targets better have been built
60# correctly for the target in mind.
61#
62cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
63 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
64# At this point, anything goes.
65isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
66else
67#
68# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
69# support it, while -Wa,-dsp by itself limits the range of usable opcodes
70# on certain CPU subtypes. Try the ISA variant first, and if that fails,
71# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
72# opcodes, we always want the best ISA tuning the version of binutils
73# will provide.
74#
75isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
76
77isaflags-$(CONFIG_SH_DSP) := \
78 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
79endif
80
81cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
82cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
83
84cflags-y += $(call cc-option,-mno-fdpic)
85cflags-y += $(isaflags-y) -ffreestanding
86
87OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
88 -R .stab -R .stabstr -S
89
90# Give the various platforms the opportunity to set default image types
91defaultimage-$(CONFIG_SUPERH32) := zImage
92defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
93defaultimage-$(CONFIG_SH_RSK) := uImage
94defaultimage-$(CONFIG_SH_URQUELL) := uImage
95defaultimage-$(CONFIG_SH_MIGOR) := uImage
96defaultimage-$(CONFIG_SH_AP325RXA) := uImage
97defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
98defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
99defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
100defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
101
102# Set some sensible Kbuild defaults
103boot := arch/sh/boot
104KBUILD_IMAGE := $(boot)/$(defaultimage-y)
105
106#
107# Choosing incompatible machines durings configuration will result in
108# error messages during linking.
109#
110ifdef CONFIG_SUPERH32
111UTS_MACHINE := sh
112BITS := 32
113LDFLAGS_vmlinux += -e _stext
114else
115UTS_MACHINE := sh64
116BITS := 64
117LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
118 --defsym phys_stext_shmedia=phys_stext+1 \
119 -e phys_stext_shmedia
120endif
121
122ifdef CONFIG_CPU_LITTLE_ENDIAN
123ld-bfd := elf32-$(UTS_MACHINE)-linux
124LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
125KBUILD_LDFLAGS += -EL
126else
127ld-bfd := elf32-$(UTS_MACHINE)big-linux
128LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
129KBUILD_LDFLAGS += -EB
130endif
131
132export ld-bfd BITS
133
134head-y := arch/sh/kernel/head_$(BITS).o
135
136core-y += arch/sh/kernel arch/sh/mm/ arch/sh/boards/
137core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
138
139core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/
140
141# Mach groups
142machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
143machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
144machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
145machdir-$(CONFIG_SH_SH03) += mach-sh03
146machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
147machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
148machdir-$(CONFIG_SH_MIGOR) += mach-migor
149machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
150machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
151machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
152machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
153machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
154machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
155machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
156machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
157machdir-$(CONFIG_SH_LANDISK) += mach-landisk
158machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
159machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
160machdir-$(CONFIG_SH_RSK) += mach-rsk
161
162ifneq ($(machdir-y),)
163core-y += $(addprefix arch/sh/boards/, \
164 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
165endif
166
167# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
168machdir-y += mach-common
169
170# Companion chips
171core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
172
173#
174# CPU header paths
175#
176# These are ordered by optimization level. A CPU family that is a subset
177# of another (ie, SH-2A / SH-2), is picked up first, with increasing
178# levels of genericness if nothing more suitable is situated in the
179# hierarchy.
180#
181# As an example, in order of preference, SH-2A > SH-2 > common definitions.
182#
183cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
184cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
185cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
186cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
187cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
188cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
189cpuincdir-y += cpu-common # Must be last
190
191drivers-y += arch/sh/drivers/
192drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
193
194cflags-y += $(foreach d, $(cpuincdir-y), -I $(srctree)/arch/sh/include/$(d)) \
195 $(foreach d, $(machdir-y), -I $(srctree)/arch/sh/include/$(d))
196
197KBUILD_CFLAGS += -pipe $(cflags-y)
198KBUILD_CPPFLAGS += $(cflags-y)
199KBUILD_AFLAGS += $(cflags-y)
200
201ifeq ($(CONFIG_MCOUNT),y)
202 KBUILD_CFLAGS += -pg
203endif
204
205ifeq ($(CONFIG_DWARF_UNWINDER),y)
206 KBUILD_CFLAGS += -fasynchronous-unwind-tables
207endif
208
209libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
210libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
211
212BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
213 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
214 romImage
215PHONY += $(BOOT_TARGETS)
216
217all: $(notdir $(KBUILD_IMAGE))
218
219$(BOOT_TARGETS): vmlinux
220 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
221
222compressed: zImage
223
224archprepare:
225 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
226
227archclean:
228 $(Q)$(MAKE) $(clean)=$(boot)
229 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
230
231archheaders:
232 $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
233
234define archhelp
235 @echo ' zImage - Compressed kernel image'
236 @echo ' romImage - Compressed ROM image, if supported'
237 @echo ' vmlinux.srec - Create an ELF S-record'
238 @echo ' vmlinux.bin - Create an uncompressed binary image'
239 @echo '* uImage - Alias to bootable U-Boot image'
240 @echo ' uImage.srec - Create an S-record for U-Boot'
241 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
242 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
243 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
244 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
245 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
246 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
247endef