4 # Copyright (C) 1999 Kaz Kojima
5 # Copyright (C) 2002 - 2008 Paul Mundt
6 # Copyright (C) 2002 M. R. Brown
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
12 ifneq ($(SUBARCH),$(ARCH))
13 ifeq ($(CROSS_COMPILE),)
14 CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-)
19 KBUILD_DEFCONFIG := shx3_defconfig
21 KBUILD_DEFCONFIG := cayman_defconfig
25 isa-$(CONFIG_SH_DSP) := sh
26 isa-$(CONFIG_CPU_SH2) := sh2
27 isa-$(CONFIG_CPU_SH2A) := sh2a
28 isa-$(CONFIG_CPU_SH3) := sh3
29 isa-$(CONFIG_CPU_SH4) := sh4
30 isa-$(CONFIG_CPU_SH4A) := sh4a
31 isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
33 isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
36 cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
37 cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
38 cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
39 $(call cc-option,-m2a-nofpu,) \
40 $(call cc-option,-m4-nofpu,)
41 cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
42 cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
43 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
44 cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
45 $(call cc-option,-m4a-nofpu,)
46 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
50 # In the case where we are stuck with a compiler that has been uselessly
51 # restricted to a particular ISA, a favourite default of newer GCCs when
52 # extensive multilib targets are not provided, ensure we get the best fit
53 # regarding FP generation. This is intentionally stupid (albeit many
54 # orders of magnitude less than GCC's default behaviour), as anything
55 # with a large number of multilib targets better have been built
56 # correctly for the target in mind.
58 cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
59 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
60 # At this point, anything goes.
61 isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
64 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
65 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
66 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
67 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
68 # opcodes, we always want the best ISA tuning the version of binutils
71 isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
73 isaflags-$(CONFIG_SH_DSP) := \
74 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
77 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
78 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
80 cflags-y += $(call cc-option,-mno-fdpic)
81 cflags-y += $(isaflags-y) -ffreestanding
83 OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
84 -R .stab -R .stabstr -S
86 # Give the various platforms the opportunity to set default image types
87 defaultimage-y := zImage
88 defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
89 defaultimage-$(CONFIG_SH_RSK) := uImage
90 defaultimage-$(CONFIG_SH_URQUELL) := uImage
91 defaultimage-$(CONFIG_SH_MIGOR) := uImage
92 defaultimage-$(CONFIG_SH_AP325RXA) := uImage
93 defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
94 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
95 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
96 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
98 # Set some sensible Kbuild defaults
100 KBUILD_IMAGE := $(boot)/$(defaultimage-y)
103 # Choosing incompatible machines durings configuration will result in
104 # error messages during linking.
107 LDFLAGS_vmlinux += -e _stext
109 ifdef CONFIG_CPU_LITTLE_ENDIAN
110 ld-bfd := elf32-sh-linux
111 LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
112 KBUILD_LDFLAGS += -EL
114 ld-bfd := elf32-shbig-linux
115 LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
116 KBUILD_LDFLAGS += -EB
121 head-y := arch/sh/kernel/head_32.o
123 core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
124 core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
126 core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/
129 machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
130 machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
131 machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
132 machdir-$(CONFIG_SH_SH03) += mach-sh03
133 machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
134 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
135 machdir-$(CONFIG_SH_MIGOR) += mach-migor
136 machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
137 machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
138 machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
139 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
140 machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
141 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
142 machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
143 machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
144 machdir-$(CONFIG_SH_LANDISK) += mach-landisk
145 machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
146 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
147 machdir-$(CONFIG_SH_RSK) += mach-rsk
149 ifneq ($(machdir-y),)
150 core-y += $(addprefix arch/sh/boards/, \
151 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
154 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
155 machdir-y += mach-common
158 core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
163 # These are ordered by optimization level. A CPU family that is a subset
164 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
165 # levels of genericness if nothing more suitable is situated in the
168 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
170 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
171 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
172 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
173 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
174 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
175 cpuincdir-y += cpu-common # Must be last
177 drivers-y += arch/sh/drivers/
178 drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
180 cflags-y += $(foreach d, $(cpuincdir-y), -I $(srctree)/arch/sh/include/$(d)) \
181 $(foreach d, $(machdir-y), -I $(srctree)/arch/sh/include/$(d))
183 KBUILD_CFLAGS += -pipe $(cflags-y)
184 KBUILD_CPPFLAGS += $(cflags-y)
185 KBUILD_AFLAGS += $(cflags-y)
187 ifeq ($(CONFIG_MCOUNT),y)
191 ifeq ($(CONFIG_DWARF_UNWINDER),y)
192 KBUILD_CFLAGS += -fasynchronous-unwind-tables
195 libs-y := arch/sh/lib/ $(libs-y)
197 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
198 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
200 PHONY += $(BOOT_TARGETS)
202 all: $(notdir $(KBUILD_IMAGE))
204 $(BOOT_TARGETS): vmlinux
205 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
210 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
213 $(Q)$(MAKE) $(clean)=$(boot)
214 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
217 $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
220 @echo ' zImage - Compressed kernel image'
221 @echo ' romImage - Compressed ROM image, if supported'
222 @echo ' vmlinux.srec - Create an ELF S-record'
223 @echo ' vmlinux.bin - Create an uncompressed binary image'
224 @echo '* uImage - Alias to bootable U-Boot image'
225 @echo ' uImage.srec - Create an S-record for U-Boot'
226 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
227 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
228 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
229 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
230 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
231 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'