sh: Wrap CPU tuning through cc-option.
[linux-2.6] / arch / sh / Makefile
1 # $Id: Makefile,v 1.35 2004/04/15 03:39:20 sugioka Exp $
2 #
3 # This file is subject to the terms and conditions of the GNU General Public
4 # License.  See the file "COPYING" in the main directory of this archive
5 # for more details.
6 #
7 # Copyright (C) 1999  Kaz Kojima
8 # Copyright (C) 2002, 2003, 2004  Paul Mundt
9 # Copyright (C) 2002  M. R. Brown
10 #
11 # This file is included by the global makefile so that you can add your own
12 # architecture-specific flags and dependencies. Remember to do have actions
13 # for "archclean" and "archdep" for cleaning up and making dependencies for
14 # this architecture
15 #
16 isa-y                                   := any
17 isa-$(CONFIG_SH_DSP)                    := sh
18 isa-$(CONFIG_CPU_SH2)                   := sh2
19 isa-$(CONFIG_CPU_SH2A)                  := sh2a
20 isa-$(CONFIG_CPU_SH3)                   := sh3
21 isa-$(CONFIG_CPU_SH4)                   := sh4
22 isa-$(CONFIG_CPU_SH4A)                  := sh4a
23 isa-$(CONFIG_CPU_SH4AL_DSP)             := sh4al
24
25 isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
26
27 ifndef CONFIG_MMU
28 isa-y                   := $(isa-y)-nommu
29 endif
30
31 ifndef CONFIG_SH_DSP
32 ifndef CONFIG_SH_FPU
33 isa-y                   := $(isa-y)-nofpu
34 endif
35 endif
36
37 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
38 cflags-$(CONFIG_CPU_SH2A)               := $(call cc-option,-m2a,) \
39                                            $(call cc-option,-m2a-nofpu,)
40 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
41 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
42         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
43 cflags-$(CONFIG_CPU_SH4A)               := $(call cc-option,-m4a,) \
44                                            $(call cc-option,-m4a-nofpu,)
45
46 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
47 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
48
49 cflags-y        += $(call as-option,-Wa$(comma)-isa=$(isa-y),) -ffreestanding
50
51 cflags-$(CONFIG_SH_DSP)                 += -Wa,-dsp
52
53 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
54         $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
55
56 OBJCOPYFLAGS    := -O binary -R .note -R .comment -R .stab -R .stabstr -S
57
58 #
59 # arch/sh/defconfig doesn't reflect any real hardware, and as such should
60 # never be used by anyone. Use a board-specific defconfig that has a
61 # reasonable chance of being current instead.
62 #
63 KBUILD_DEFCONFIG := r7780rp_defconfig
64
65 KBUILD_IMAGE    := arch/sh/boot/zImage
66
67 #
68 # Choosing incompatible machines durings configuration will result in
69 # error messages during linking.
70 #
71 LDFLAGS_vmlinux     += -e _stext
72
73 ifdef CONFIG_CPU_LITTLE_ENDIAN
74 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
75 LDFLAGS                 += -EL
76 else
77 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
78 LDFLAGS                 += -EB
79 endif
80
81 CFLAGS          += -pipe $(cflags-y)
82 AFLAGS          += $(cflags-y)
83
84 head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
85
86 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
87
88 core-y                          += arch/sh/kernel/ arch/sh/mm/
89 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
90
91 # Boards
92 machdir-$(CONFIG_SH_SOLUTION_ENGINE)            += se/770x
93 machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)       += se/7722
94 machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)       += se/7751
95 machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)       += se/7780
96 machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE)       += se/7300
97 machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)       += se/7343
98 machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE)      += se/73180
99 machdir-$(CONFIG_SH_HP6XX)                      += hp6xx
100 machdir-$(CONFIG_SH_SATURN)                     += saturn
101 machdir-$(CONFIG_SH_DREAMCAST)                  += dreamcast
102 machdir-$(CONFIG_SH_MPC1211)                    += mpc1211
103 machdir-$(CONFIG_SH_SH03)                       += sh03
104 machdir-$(CONFIG_SH_SECUREEDGE5410)             += snapgear
105 machdir-$(CONFIG_SH_HS7751RVOIP)                += renesas/hs7751rvoip
106 machdir-$(CONFIG_SH_RTS7751R2D)                 += renesas/rts7751r2d
107 machdir-$(CONFIG_SH_7751_SYSTEMH)               += renesas/systemh
108 machdir-$(CONFIG_SH_EDOSK7705)                  += renesas/edosk7705
109 machdir-$(CONFIG_SH_HIGHLANDER)                 += renesas/r7780rp
110 machdir-$(CONFIG_SH_7710VOIPGW)                 += renesas/sh7710voipgw
111 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += superh/microdev
112 machdir-$(CONFIG_SH_LANDISK)                    += landisk
113 machdir-$(CONFIG_SH_TITAN)                      += titan
114 machdir-$(CONFIG_SH_SHMIN)                      += shmin
115 machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)       += se/7206
116 machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)       += se/7619
117 machdir-$(CONFIG_SH_LBOX_RE2)                   += lboxre2
118
119 incdir-y        := $(notdir $(machdir-y))
120
121 ifneq ($(machdir-y),)
122 core-y  += $(addprefix arch/sh/boards/, \
123              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
124 endif
125
126 # Companion chips
127 core-$(CONFIG_HD64461)          += arch/sh/cchips/hd6446x/hd64461/
128 core-$(CONFIG_HD64465)          += arch/sh/cchips/hd6446x/hd64465/
129 core-$(CONFIG_VOYAGERGX)        += arch/sh/cchips/voyagergx/
130
131 cpuincdir-$(CONFIG_CPU_SH2)     := cpu-sh2
132 cpuincdir-$(CONFIG_CPU_SH2A)    := cpu-sh2a
133 cpuincdir-$(CONFIG_CPU_SH3)     := cpu-sh3
134 cpuincdir-$(CONFIG_CPU_SH4)     := cpu-sh4
135
136 libs-y                          := arch/sh/lib/ $(libs-y) $(LIBGCC)
137
138 drivers-y                       += arch/sh/drivers/
139 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
140
141 boot := arch/sh/boot
142
143 CPPFLAGS_vmlinux.lds := -traditional
144
145 incdir-prefix   := $(srctree)/include/asm-sh/
146
147 #       Update machine arch and proc symlinks if something which affects
148 #       them changed.  We use .arch and .mach to indicate when they were
149 #       updated last, otherwise make uses the target directory mtime.
150
151 include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
152                      include/config/auto.conf FORCE
153         @echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
154         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
155         $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
156         @touch $@
157
158 #       Most boards have their own mach directories.  For the ones that
159 #       don't, just reference the parent directory so the semantics are
160 #       kept roughly the same.
161 #
162 #       When multiple boards are compiled in at the same time, preference
163 #       for the mach link is given to whichever has a directory for its
164 #       headers. However, this is only a workaround until platforms that
165 #       can live in the same kernel image back away from relying on the
166 #       mach link.
167
168 include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
169                       include/config/auto.conf FORCE
170         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
171         $(Q)rm -f include/asm-sh/mach
172         $(Q)for i in $(incdir-y); do \
173         if [ -d $(incdir-prefix)$$i ]; then \
174                 echo -n '  SYMLINK include/asm-sh/mach -> '; \
175                 echo -e "include/asm-sh/$$i"; \
176                 ln -fsn $(incdir-prefix)$$i \
177                         include/asm-sh/mach; \
178         else \
179                 if [ ! -d include/asm-sh/mach ]; then \
180                         echo -n '  SYMLINK include/asm-sh/mach -> '; \
181                         echo -e 'include/asm-sh'; \
182                         ln -fsn $(incdir-prefix) include/asm-sh/mach; \
183                 fi; \
184         fi; \
185         done
186         @touch $@
187
188 archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools
189
190 PHONY += maketools FORCE
191 maketools:  include/linux/version.h FORCE
192         $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
193
194 all: zImage
195
196 zImage uImage uImage.srec vmlinux.srec: vmlinux
197         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
198
199 compressed: zImage
200
201 archclean:
202         $(Q)$(MAKE) $(clean)=$(boot)
203
204 CLEAN_FILES += include/asm-sh/machtypes.h
205
206 define archhelp
207         @echo '* zImage                    - Compressed kernel image'
208         @echo '  vmlinux.srec              - Create an ELF S-record'
209         @echo '  uImage                    - Create a bootable image for U-Boot'
210         @echo '  uImage.srec               - Create an S-record for U-Boot'
211 endef