treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / arch / sh / Makefile
blobb4a86f27e048336e49e5019acc8a7ae7db737f8b
2 # arch/sh/Makefile
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
10 # for more details.
12 ifneq ($(SUBARCH),$(ARCH))
13 ifeq ($(CROSS_COMPILE),)
14 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
15 endif
16 endif
18 ifeq ($(ARCH),sh)
19 KBUILD_DEFCONFIG := shx3_defconfig
20 else
21 KBUILD_DEFCONFIG := cayman_defconfig
22 endif
24 isa-y := any
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-$(CONFIG_CPU_SH4AL_DSP) := sh4al
32 isa-$(CONFIG_CPU_SH5) := shmedia
34 ifeq ($(CONFIG_SUPERH32),y)
35 isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
36 isa-y := $(isa-y)-up
37 endif
39 cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
40 cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
41 cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
42 $(call cc-option,-m2a-nofpu,) \
43 $(call cc-option,-m4-nofpu,)
44 cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
45 cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
46 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
47 cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
48 $(call cc-option,-m4a-nofpu,)
49 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
50 cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
52 ifeq ($(cflags-y),)
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.
62 cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
63 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
64 # At this point, anything goes.
65 isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
66 else
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.
75 isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
77 isaflags-$(CONFIG_SH_DSP) := \
78 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
79 endif
81 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
82 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
84 cflags-y += $(call cc-option,-mno-fdpic)
85 cflags-y += $(isaflags-y) -ffreestanding
87 OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
88 -R .stab -R .stabstr -S
90 # Give the various platforms the opportunity to set default image types
91 defaultimage-$(CONFIG_SUPERH32) := zImage
92 defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
93 defaultimage-$(CONFIG_SH_RSK) := uImage
94 defaultimage-$(CONFIG_SH_URQUELL) := uImage
95 defaultimage-$(CONFIG_SH_MIGOR) := uImage
96 defaultimage-$(CONFIG_SH_AP325RXA) := uImage
97 defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
98 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
99 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
100 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
102 # Set some sensible Kbuild defaults
103 boot := arch/sh/boot
104 KBUILD_IMAGE := $(boot)/$(defaultimage-y)
107 # Choosing incompatible machines durings configuration will result in
108 # error messages during linking.
110 ifdef CONFIG_SUPERH32
111 UTS_MACHINE := sh
112 BITS := 32
113 LDFLAGS_vmlinux += -e _stext
114 else
115 UTS_MACHINE := sh64
116 BITS := 64
117 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
118 --defsym phys_stext_shmedia=phys_stext+1 \
119 -e phys_stext_shmedia
120 endif
122 ifdef CONFIG_CPU_LITTLE_ENDIAN
123 ld-bfd := elf32-$(UTS_MACHINE)-linux
124 LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
125 KBUILD_LDFLAGS += -EL
126 else
127 ld-bfd := elf32-$(UTS_MACHINE)big-linux
128 LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
129 KBUILD_LDFLAGS += -EB
130 endif
132 export ld-bfd BITS
134 head-y := arch/sh/kernel/head_$(BITS).o
136 core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
137 core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
139 core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/
141 # Mach groups
142 machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
143 machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
144 machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
145 machdir-$(CONFIG_SH_SH03) += mach-sh03
146 machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
147 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
148 machdir-$(CONFIG_SH_MIGOR) += mach-migor
149 machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
150 machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
151 machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
152 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
153 machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
154 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
155 machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
156 machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
157 machdir-$(CONFIG_SH_LANDISK) += mach-landisk
158 machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
159 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
160 machdir-$(CONFIG_SH_RSK) += mach-rsk
162 ifneq ($(machdir-y),)
163 core-y += $(addprefix arch/sh/boards/, \
164 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
165 endif
167 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
168 machdir-y += mach-common
170 # Companion chips
171 core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
174 # CPU header paths
176 # These are ordered by optimization level. A CPU family that is a subset
177 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
178 # levels of genericness if nothing more suitable is situated in the
179 # hierarchy.
181 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
183 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
184 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
185 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
186 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
187 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
188 cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
189 cpuincdir-y += cpu-common # Must be last
191 drivers-y += arch/sh/drivers/
192 drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
194 cflags-y += $(foreach d, $(cpuincdir-y), -I $(srctree)/arch/sh/include/$(d)) \
195 $(foreach d, $(machdir-y), -I $(srctree)/arch/sh/include/$(d))
197 KBUILD_CFLAGS += -pipe $(cflags-y)
198 KBUILD_CPPFLAGS += $(cflags-y)
199 KBUILD_AFLAGS += $(cflags-y)
201 ifeq ($(CONFIG_MCOUNT),y)
202 KBUILD_CFLAGS += -pg
203 endif
205 ifeq ($(CONFIG_DWARF_UNWINDER),y)
206 KBUILD_CFLAGS += -fasynchronous-unwind-tables
207 endif
209 libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
210 libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
212 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
213 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
214 romImage
215 PHONY += $(BOOT_TARGETS)
217 all: $(notdir $(KBUILD_IMAGE))
219 $(BOOT_TARGETS): vmlinux
220 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
222 compressed: zImage
224 archprepare:
225 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
227 archclean:
228 $(Q)$(MAKE) $(clean)=$(boot)
229 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
231 archheaders:
232 $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
234 define 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)'
247 endef