vmscan: count the number of times zone_reclaim() scans and fails
[sfrench/cifs-2.6.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 isa-y                                   := any
13 isa-$(CONFIG_SH_DSP)                    := sh
14 isa-$(CONFIG_CPU_SH2)                   := sh2
15 isa-$(CONFIG_CPU_SH2A)                  := sh2a
16 isa-$(CONFIG_CPU_SH3)                   := sh3
17 isa-$(CONFIG_CPU_SH4)                   := sh4
18 isa-$(CONFIG_CPU_SH4A)                  := sh4a
19 isa-$(CONFIG_CPU_SH4AL_DSP)             := sh4al
20 isa-$(CONFIG_CPU_SH5)                   := shmedia
21
22 ifeq ($(CONFIG_SUPERH32),y)
23 isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
24 isa-y                                   := $(isa-y)-up
25 endif
26
27 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
28 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
29                                            $(call cc-option,-m2a-nofpu,)
30 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
31 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
32         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
33 cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
34                                            $(call cc-option,-m4a-nofpu,)
35 cflags-$(CONFIG_CPU_SH4AL_DSP)          += $(call cc-option,-m4al,)
36 cflags-$(CONFIG_CPU_SH5)                := $(call cc-option,-m5-32media-nofpu,)
37
38 ifeq ($(cflags-y),)
39 #
40 # In the case where we are stuck with a compiler that has been uselessly
41 # restricted to a particular ISA, a favourite default of newer GCCs when
42 # extensive multilib targets are not provided, ensure we get the best fit
43 # regarding FP generation. This is intentionally stupid (albeit many
44 # orders of magnitude less than GCC's default behaviour), as anything
45 # with a large number of multilib targets better have been built
46 # correctly for the target in mind.
47 #
48 cflags-y        += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
49                      grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
50 # At this point, anything goes.
51 isaflags-y      := $(call as-option,-Wa$(comma)-isa=any,)
52 else
53 #
54 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
55 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
56 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
57 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
58 # opcodes, we always want the best ISA tuning the version of binutils
59 # will provide.
60 #
61 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
62
63 isaflags-$(CONFIG_SH_DSP)               := \
64         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
65 endif
66
67 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
68 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
69
70 cflags-y        += $(call cc-option,-mno-fdpic)
71 cflags-y        += $(isaflags-y) -ffreestanding
72
73 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
74                    -R .stab -R .stabstr -S
75
76 # Give the various platforms the opportunity to set default image types
77 defaultimage-$(CONFIG_SUPERH32)                 := zImage
78 defaultimage-$(CONFIG_SH_SH7785LCR)             := uImage
79 defaultimage-$(CONFIG_SH_RSK)                   := uImage
80 defaultimage-$(CONFIG_SH_URQUELL)               := uImage
81 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)  := vmlinux
82 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)  := vmlinux
83
84 # Set some sensible Kbuild defaults
85 KBUILD_IMAGE            := $(defaultimage-y)
86
87 #
88 # Choosing incompatible machines durings configuration will result in
89 # error messages during linking.
90 #
91 ifdef CONFIG_SUPERH32
92 UTS_MACHINE             := sh
93 BITS                    := 32
94 LDFLAGS_vmlinux         += -e _stext
95 KBUILD_DEFCONFIG        := shx3_defconfig
96 else
97 UTS_MACHINE             := sh64
98 BITS                    := 64
99 LDFLAGS_vmlinux         += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
100                            --defsym phys_stext_shmedia=phys_stext+1 \
101                            -e phys_stext_shmedia
102 KBUILD_DEFCONFIG        := cayman_defconfig
103 endif
104
105 ifneq ($(SUBARCH),$(ARCH))
106   ifeq ($(CROSS_COMPILE),)
107     CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
108   endif
109 endif
110
111 ifdef CONFIG_CPU_LITTLE_ENDIAN
112 ld-bfd                  := elf32-$(UTS_MACHINE)-linux
113 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
114 LDFLAGS                 += -EL
115 else
116 ld-bfd                  := elf32-$(UTS_MACHINE)big-linux
117 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
118 LDFLAGS                 += -EB
119 endif
120
121 export ld-bfd BITS
122
123 head-y  := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
124
125 core-y                          += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
126 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
127
128 # Mach groups
129 machdir-$(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_SECUREEDGE5410)             += mach-snapgear
134 machdir-$(CONFIG_SH_RTS7751R2D)                 += mach-r2d
135 machdir-$(CONFIG_SH_7751_SYSTEMH)               += mach-systemh
136 machdir-$(CONFIG_SH_EDOSK7705)                  += mach-edosk7705
137 machdir-$(CONFIG_SH_HIGHLANDER)                 += mach-highlander
138 machdir-$(CONFIG_SH_MIGOR)                      += mach-migor
139 machdir-$(CONFIG_SH_SDK7780)                    += mach-sdk7780
140 machdir-$(CONFIG_SH_X3PROTO)                    += mach-x3proto
141 machdir-$(CONFIG_SH_SH7763RDP)                  += mach-sh7763rdp
142 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += mach-microdev
143 machdir-$(CONFIG_SH_LANDISK)                    += mach-landisk
144 machdir-$(CONFIG_SH_TITAN)                      += mach-titan
145 machdir-$(CONFIG_SH_LBOX_RE2)                   += mach-lboxre2
146 machdir-$(CONFIG_SH_CAYMAN)                     += mach-cayman
147 machdir-$(CONFIG_SH_RSK)                        += mach-rsk
148
149 ifneq ($(machdir-y),)
150 core-y  += $(addprefix arch/sh/boards/, \
151              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
152 endif
153
154 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
155 machdir-y       += mach-common
156
157 # Companion chips
158 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
159
160 #
161 # CPU header paths
162 #
163 # These are ordered by optimization level. A CPU family that is a subset
164 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
165 # levels of genericness if nothing more suitable is situated in the
166 # hierarchy.
167 #
168 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
169 #
170 cpuincdir-$(CONFIG_CPU_SH2A)    += cpu-sh2a
171 cpuincdir-$(CONFIG_CPU_SH2)     += cpu-sh2
172 cpuincdir-$(CONFIG_CPU_SH3)     += cpu-sh3
173 cpuincdir-$(CONFIG_CPU_SH4)     += cpu-sh4
174 cpuincdir-$(CONFIG_CPU_SH5)     += cpu-sh5
175 cpuincdir-y                     += cpu-common   # Must be last
176
177 drivers-y                       += arch/sh/drivers/
178 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
179
180 boot := arch/sh/boot
181
182 cflags-y        += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
183                    $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
184
185 KBUILD_CFLAGS           += -pipe $(cflags-y)
186 KBUILD_CPPFLAGS         += $(cflags-y)
187 KBUILD_AFLAGS           += $(cflags-y)
188
189 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
190 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
191
192 PHONY += maketools FORCE
193
194 maketools:  include/linux/version.h FORCE
195         $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
196
197 all: $(KBUILD_IMAGE)
198
199 zImage uImage uImage.srec vmlinux.srec: vmlinux
200         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
201
202 compressed: zImage
203
204 archprepare: maketools
205
206 archclean:
207         $(Q)$(MAKE) $(clean)=$(boot)
208         $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
209
210 define archhelp
211         @echo '* zImage                    - Compressed kernel image'
212         @echo '  vmlinux.srec              - Create an ELF S-record'
213         @echo '  uImage                    - Create a bootable image for U-Boot'
214         @echo '  uImage.srec               - Create an S-record for U-Boot'
215 endef
216
217 CLEAN_FILES += include/asm-sh/machtypes.h