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   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 isa-y                   := $(isa-y)-up
  38
  39 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
  40 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
  41                                            $(call cc-option,-m2a-nofpu,)
  42 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
  43 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
  44         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
  45 cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
  46                                            $(call cc-option,-m4a-nofpu,)
  47
  48 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
  49 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
  50
  51 #
  52 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
  53 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
  54 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
  55 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
  56 # opcodes, we always want the best ISA tuning the version of binutils
  57 # will provide.
  58 #
  59 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
  60
  61 isaflags-$(CONFIG_SH_DSP)               := \
  62         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
  63
  64 cflags-y        += $(isaflags-y) -ffreestanding
  65
  66 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
  67         $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
  68
  69 OBJCOPYFLAGS    := -O binary -R .note -R .comment -R .stab -R .stabstr -S
  70
  71 #
  72 # arch/sh/defconfig doesn't reflect any real hardware, and as such should
  73 # never be used by anyone. Use a board-specific defconfig that has a
  74 # reasonable chance of being current instead.
  75 #
  76 KBUILD_DEFCONFIG := r7780rp_defconfig
  77
  78 KBUILD_IMAGE    := arch/sh/boot/zImage
  79
  80 #
  81 # Choosing incompatible machines durings configuration will result in
  82 # error messages during linking.
  83 #
  84 LDFLAGS_vmlinux     += -e _stext
  85
  86 ifdef CONFIG_CPU_LITTLE_ENDIAN
  87 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
  88 LDFLAGS                 += -EL
  89 else
  90 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
  91 LDFLAGS                 += -EB
  92 endif
  93
  94 CFLAGS          += -pipe $(cflags-y)
  95 AFLAGS          += $(cflags-y)
  96
  97 head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
  98
  99 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 100
 101 core-y                          += arch/sh/kernel/ arch/sh/mm/
 102 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
 103
 104 # Boards
 105 machdir-$(CONFIG_SH_SOLUTION_ENGINE)            += se/770x
 106 machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)       += se/7722
 107 machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)       += se/7751
 108 machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)       += se/7780
 109 machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)       += se/7343
 110 machdir-$(CONFIG_SH_HP6XX)                      += hp6xx
 111 machdir-$(CONFIG_SH_DREAMCAST)                  += dreamcast
 112 machdir-$(CONFIG_SH_MPC1211)                    += mpc1211
 113 machdir-$(CONFIG_SH_SH03)                       += sh03
 114 machdir-$(CONFIG_SH_SECUREEDGE5410)             += snapgear
 115 machdir-$(CONFIG_SH_HS7751RVOIP)                += renesas/hs7751rvoip
 116 machdir-$(CONFIG_SH_RTS7751R2D)                 += renesas/rts7751r2d
 117 machdir-$(CONFIG_SH_7751_SYSTEMH)               += renesas/systemh
 118 machdir-$(CONFIG_SH_EDOSK7705)                  += renesas/edosk7705
 119 machdir-$(CONFIG_SH_HIGHLANDER)                 += renesas/r7780rp
 120 machdir-$(CONFIG_SH_7710VOIPGW)                 += renesas/sh7710voipgw
 121 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += superh/microdev
 122 machdir-$(CONFIG_SH_LANDISK)                    += landisk
 123 machdir-$(CONFIG_SH_TITAN)                      += titan
 124 machdir-$(CONFIG_SH_SHMIN)                      += shmin
 125 machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)       += se/7206
 126 machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)       += se/7619
 127 machdir-$(CONFIG_SH_LBOX_RE2)                   += lboxre2
 128
 129 incdir-y        := $(notdir $(machdir-y))
 130
 131 ifneq ($(machdir-y),)
 132 core-y  += $(addprefix arch/sh/boards/, \
 133              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 134 endif
 135
 136 # Companion chips
 137 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
 138 core-$(CONFIG_VOYAGERGX)        += arch/sh/cchips/voyagergx/
 139
 140 cpuincdir-$(CONFIG_CPU_SH2)     := cpu-sh2
 141 cpuincdir-$(CONFIG_CPU_SH2A)    := cpu-sh2a
 142 cpuincdir-$(CONFIG_CPU_SH3)     := cpu-sh3
 143 cpuincdir-$(CONFIG_CPU_SH4)     := cpu-sh4
 144
 145 libs-y                          := arch/sh/lib/ $(libs-y) $(LIBGCC)
 146
 147 drivers-y                       += arch/sh/drivers/
 148 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
 149
 150 boot := arch/sh/boot
 151
 152 CPPFLAGS_vmlinux.lds := -traditional
 153
 154 incdir-prefix   := $(srctree)/include/asm-sh/
 155
 156 #       Update machine arch and proc symlinks if something which affects
 157 #       them changed.  We use .arch and .mach to indicate when they were
 158 #       updated last, otherwise make uses the target directory mtime.
 159
 160 include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
 161                      include/config/auto.conf FORCE
 162         @echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
 163         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 164         $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
 165         @touch $@
 166
 167 #       Most boards have their own mach directories.  For the ones that
 168 #       don't, just reference the parent directory so the semantics are
 169 #       kept roughly the same.
 170 #
 171 #       When multiple boards are compiled in at the same time, preference
 172 #       for the mach link is given to whichever has a directory for its
 173 #       headers. However, this is only a workaround until platforms that
 174 #       can live in the same kernel image back away from relying on the
 175 #       mach link.
 176
 177 include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
 178                       include/config/auto.conf FORCE
 179         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 180         $(Q)rm -f include/asm-sh/mach
 181         $(Q)for i in $(incdir-y); do \
 182         if [ -d $(incdir-prefix)$$i ]; then \
 183                 echo -n '  SYMLINK include/asm-sh/mach -> '; \
 184                 echo -e "include/asm-sh/$$i"; \
 185                 ln -fsn $(incdir-prefix)$$i \
 186                         include/asm-sh/mach; \
 187         else \
 188                 if [ ! -d include/asm-sh/mach ]; then \
 189                         echo -n '  SYMLINK include/asm-sh/mach -> '; \
 190                         echo -e 'include/asm-sh'; \
 191                         ln -fsn $(incdir-prefix) include/asm-sh/mach; \
 192                 fi; \
 193         fi; \
 194         done
 195         @touch $@
 196
 197 archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools
 198
 199 PHONY += maketools FORCE
 200 maketools:  include/linux/version.h FORCE
 201         $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
 202
 203 all: zImage
 204
 205 zImage uImage uImage.srec vmlinux.srec: vmlinux
 206         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 207
 208 compressed: zImage
 209
 210 archclean:
 211         $(Q)$(MAKE) $(clean)=$(boot)
 212
 213 CLEAN_FILES += include/asm-sh/machtypes.h \
 214                include/asm-sh/cpu include/asm-sh/.cpu \
 215                include/asm-sh/mach include/asm-sh/.mach
 216
 217 define archhelp
 218         @echo '* zImage                    - Compressed kernel image'
 219         @echo '  vmlinux.srec              - Create an ELF S-record'
 220         @echo '  uImage                    - Create a bootable image for U-Boot'
 221         @echo '  uImage.srec               - Create an S-record for U-Boot'
 222 endef