get rid of cred argument of vfs_open() and do_dentry_open()
[muen/linux.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 ifneq ($(SUBARCH),$(ARCH))
13   ifeq ($(CROSS_COMPILE),)
14     CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
15   endif
16 endif
17
18 ifeq ($(ARCH),sh)
19 KBUILD_DEFCONFIG        := shx3_defconfig
20 else
21 KBUILD_DEFCONFIG        := cayman_defconfig
22 endif
23
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
33
34 ifeq ($(CONFIG_SUPERH32),y)
35 isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
36 isa-y                                   := $(isa-y)-up
37 endif
38
39 cflags-$(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)                := $(call cc-option,-m5-32media-nofpu,)
51
52 ifeq ($(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 #
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
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 #
75 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
76
77 isaflags-$(CONFIG_SH_DSP)               := \
78         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
79 endif
80
81 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
82 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
83
84 cflags-y        += $(call cc-option,-mno-fdpic)
85 cflags-y        += $(isaflags-y) -ffreestanding
86
87 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
88                    -R .stab -R .stabstr -S
89
90 # Give the various platforms the opportunity to set default image types
91 defaultimage-$(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
101
102 # Set some sensible Kbuild defaults
103 boot := arch/sh/boot
104 KBUILD_IMAGE            := $(boot)/$(defaultimage-y)
105
106 #
107 # Choosing incompatible machines durings configuration will result in
108 # error messages during linking.
109 #
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-$(CONFIG_PAGE_OFFSET) \
118                            --defsym phys_stext_shmedia=phys_stext+1 \
119                            -e phys_stext_shmedia
120 endif
121
122 ifdef CONFIG_CPU_LITTLE_ENDIAN
123 ld-bfd                  := elf32-$(UTS_MACHINE)-linux
124 LDFLAGS_vmlinux         += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
125 LDFLAGS                 += -EL
126 else
127 ld-bfd                  := elf32-$(UTS_MACHINE)big-linux
128 LDFLAGS_vmlinux         += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
129 LDFLAGS                 += -EB
130 endif
131
132 export ld-bfd BITS
133
134 head-y  := arch/sh/kernel/head_$(BITS).o
135
136 core-y                          += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
137 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
138
139 core-$(CONFIG_USE_BUILTIN_DTB)  += arch/sh/boot/dts/
140
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-$(CONFIG_SH_RSK)                        += mach-rsk
161
162 ifneq ($(machdir-y),)
163 core-y  += $(addprefix arch/sh/boards/, \
164              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
165 endif
166
167 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
168 machdir-y       += mach-common
169
170 # Companion chips
171 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
172
173 #
174 # CPU header paths
175 #
176 # These are ordered by optimization level. A CPU family that is a subset
177 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
178 # levels of genericness if nothing more suitable is situated in the
179 # hierarchy.
180 #
181 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
182 #
183 cpuincdir-$(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-$(CONFIG_CPU_SH5)     += cpu-sh5
189 cpuincdir-y                     += cpu-common   # Must be last
190
191 drivers-y                       += arch/sh/drivers/
192 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
193
194 cflags-y        += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
195                    $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
196
197 KBUILD_CFLAGS           += -pipe $(cflags-y)
198 KBUILD_CPPFLAGS         += $(cflags-y)
199 KBUILD_AFLAGS           += $(cflags-y)
200
201 ifeq ($(CONFIG_MCOUNT),y)
202   KBUILD_CFLAGS += -pg
203 endif
204
205 ifeq ($(CONFIG_DWARF_UNWINDER),y)
206   KBUILD_CFLAGS += -fasynchronous-unwind-tables
207 endif
208
209 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
210 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
211
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)
216
217 all: $(notdir $(KBUILD_IMAGE))
218
219 $(BOOT_TARGETS): vmlinux
220         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
221
222 compressed: zImage
223
224 archprepare:
225         $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
226
227 archclean:
228         $(Q)$(MAKE) $(clean)=$(boot)
229         $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
230
231 define archhelp
232         @echo '  zImage                    - Compressed kernel image'
233         @echo '  romImage                  - Compressed ROM image, if supported'
234         @echo '  vmlinux.srec              - Create an ELF S-record'
235         @echo '  vmlinux.bin               - Create an uncompressed binary image'
236         @echo '* uImage                    - Alias to bootable U-Boot image'
237         @echo '  uImage.srec               - Create an S-record for U-Boot'
238         @echo '  uImage.bin                - Kernel-only image for U-Boot (bin)'
239         @echo '* uImage.gz                 - Kernel-only image for U-Boot (gzip)'
240         @echo '  uImage.bz2                - Kernel-only image for U-Boot (bzip2)'
241         @echo '  uImage.lzma               - Kernel-only image for U-Boot (lzma)'
242         @echo '  uImage.xz                 - Kernel-only image for U-Boot (xz)'
243         @echo '  uImage.lzo                - Kernel-only image for U-Boot (lzo)'
244 endef