Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
[linux-2.6-microblaze.git] / arch / sh / Makefile
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 #
12 ifdef cross_compiling
13   ifeq ($(CROSS_COMPILE),)
14     CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-)
15   endif
16 endif
17
18 KBUILD_DEFCONFIG        := shx3_defconfig
19
20 isa-y                                   := any
21 isa-$(CONFIG_SH_DSP)                    := sh
22 isa-$(CONFIG_CPU_SH2)                   := sh2
23 isa-$(CONFIG_CPU_SH2A)                  := sh2a
24 isa-$(CONFIG_CPU_SH3)                   := sh3
25 isa-$(CONFIG_CPU_SH4)                   := sh4
26 isa-$(CONFIG_CPU_SH4A)                  := sh4a
27 isa-$(CONFIG_CPU_SH4AL_DSP)             := sh4al
28
29 isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
30 isa-y                                   := $(isa-y)-up
31
32 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
33 cflags-$(CONFIG_CPU_J2)                 += $(call cc-option,-mj2,)
34 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
35                                            $(call cc-option,-m2a-nofpu,) \
36                                            $(call cc-option,-m4-nofpu,)
37 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
38 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
39         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
40 cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
41                                            $(call cc-option,-m4a-nofpu,)
42 cflags-$(CONFIG_CPU_SH4AL_DSP)          += $(call cc-option,-m4al,)
43
44 ifeq ($(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 #
54 cflags-y        += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
55                      grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
56 # At this point, anything goes.
57 isaflags-y      := $(call as-option,-Wa$(comma)-isa=any,)
58 else
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 #
67 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
68
69 isaflags-$(CONFIG_SH_DSP)               := \
70         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
71 endif
72
73 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
74 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
75
76 cflags-y        += $(call cc-option,-mno-fdpic)
77 cflags-y        += $(isaflags-y) -ffreestanding
78
79 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
80                    -R .stab -R .stabstr -S
81
82 # Give the various platforms the opportunity to set default image types
83 defaultimage-y                                  := zImage
84 defaultimage-$(CONFIG_SH_SH7785LCR)             := uImage
85 defaultimage-$(CONFIG_SH_RSK)                   := uImage
86 defaultimage-$(CONFIG_SH_URQUELL)               := uImage
87 defaultimage-$(CONFIG_SH_MIGOR)                 := uImage
88 defaultimage-$(CONFIG_SH_AP325RXA)              := uImage
89 defaultimage-$(CONFIG_SH_SH7757LCR)             := uImage
90 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE)  := uImage
91 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)  := vmlinux
92 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)  := vmlinux
93
94 # Set some sensible Kbuild defaults
95 boot := arch/sh/boot
96 KBUILD_IMAGE            := $(boot)/$(defaultimage-y)
97
98 #
99 # Choosing incompatible machines durings configuration will result in
100 # error messages during linking.
101 #
102 UTS_MACHINE             := sh
103 LDFLAGS_vmlinux         += -e _stext
104
105 ifdef CONFIG_CPU_LITTLE_ENDIAN
106 ld-bfd                  := elf32-sh-linux
107 LDFLAGS_vmlinux         += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
108 KBUILD_LDFLAGS          += -EL
109 else
110 ld-bfd                  := elf32-shbig-linux
111 LDFLAGS_vmlinux         += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
112 KBUILD_LDFLAGS          += -EB
113 endif
114
115 export ld-bfd
116
117 head-y  := arch/sh/kernel/head_32.o
118
119 # Mach groups
120 machdir-$(CONFIG_SOLUTION_ENGINE)               += mach-se
121 machdir-$(CONFIG_SH_HP6XX)                      += mach-hp6xx
122 machdir-$(CONFIG_SH_DREAMCAST)                  += mach-dreamcast
123 machdir-$(CONFIG_SH_SH03)                       += mach-sh03
124 machdir-$(CONFIG_SH_RTS7751R2D)                 += mach-r2d
125 machdir-$(CONFIG_SH_HIGHLANDER)                 += mach-highlander
126 machdir-$(CONFIG_SH_MIGOR)                      += mach-migor
127 machdir-$(CONFIG_SH_AP325RXA)                   += mach-ap325rxa
128 machdir-$(CONFIG_SH_KFR2R09)                    += mach-kfr2r09
129 machdir-$(CONFIG_SH_ECOVEC)                     += mach-ecovec24
130 machdir-$(CONFIG_SH_SDK7780)                    += mach-sdk7780
131 machdir-$(CONFIG_SH_SDK7786)                    += mach-sdk7786
132 machdir-$(CONFIG_SH_X3PROTO)                    += mach-x3proto
133 machdir-$(CONFIG_SH_SH7763RDP)                  += mach-sh7763rdp
134 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += mach-microdev
135 machdir-$(CONFIG_SH_LANDISK)                    += mach-landisk
136 machdir-$(CONFIG_SH_LBOX_RE2)                   += mach-lboxre2
137 machdir-$(CONFIG_SH_RSK)                        += mach-rsk
138
139 ifneq ($(machdir-y),)
140 core-y  += $(addprefix arch/sh/boards/, \
141              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
142 endif
143
144 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
145 machdir-y       += mach-common
146
147 # Companion chips
148 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
149
150 #
151 # CPU header paths
152 #
153 # These are ordered by optimization level. A CPU family that is a subset
154 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
155 # levels of genericness if nothing more suitable is situated in the
156 # hierarchy.
157 #
158 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
159 #
160 cpuincdir-$(CONFIG_CPU_SH2A)    += cpu-sh2a
161 cpuincdir-$(CONFIG_CPU_SH2)     += cpu-sh2
162 cpuincdir-$(CONFIG_CPU_SH3)     += cpu-sh3
163 cpuincdir-$(CONFIG_CPU_SH4A)    += cpu-sh4a
164 cpuincdir-$(CONFIG_CPU_SH4)     += cpu-sh4
165 cpuincdir-y                     += cpu-common   # Must be last
166
167 drivers-y                       += arch/sh/drivers/
168
169 cflags-y        += $(foreach d, $(cpuincdir-y), -I $(srctree)/arch/sh/include/$(d)) \
170                    $(foreach d, $(machdir-y), -I $(srctree)/arch/sh/include/$(d))
171
172 KBUILD_CFLAGS           += -pipe $(cflags-y)
173 KBUILD_CPPFLAGS         += $(cflags-y)
174 KBUILD_AFLAGS           += $(cflags-y)
175
176 ifeq ($(CONFIG_MCOUNT),y)
177   KBUILD_CFLAGS += -pg
178 endif
179
180 ifeq ($(CONFIG_DWARF_UNWINDER),y)
181   KBUILD_CFLAGS += -fasynchronous-unwind-tables
182 endif
183
184 libs-y                  := arch/sh/lib/ $(libs-y)
185
186 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
187                uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
188                romImage
189 PHONY += $(BOOT_TARGETS)
190
191 all: $(notdir $(KBUILD_IMAGE))
192
193 $(BOOT_TARGETS): vmlinux
194         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
195
196 compressed: zImage
197
198 archprepare:
199         $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
200
201 archclean:
202         $(Q)$(MAKE) $(clean)=$(boot)
203         $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
204
205 archheaders:
206         $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
207
208 define archhelp
209         @echo '  zImage                    - Compressed kernel image'
210         @echo '  romImage                  - Compressed ROM image, if supported'
211         @echo '  vmlinux.srec              - Create an ELF S-record'
212         @echo '  vmlinux.bin               - Create an uncompressed binary image'
213         @echo '* uImage                    - Alias to bootable U-Boot image'
214         @echo '  uImage.srec               - Create an S-record for U-Boot'
215         @echo '  uImage.bin                - Kernel-only image for U-Boot (bin)'
216         @echo '* uImage.gz                 - Kernel-only image for U-Boot (gzip)'
217         @echo '  uImage.bz2                - Kernel-only image for U-Boot (bzip2)'
218         @echo '  uImage.lzma               - Kernel-only image for U-Boot (lzma)'
219         @echo '  uImage.xz                 - Kernel-only image for U-Boot (xz)'
220         @echo '  uImage.lzo                - Kernel-only image for U-Boot (lzo)'
221 endef