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   1 #
   2 # arch/sh/Makefile
   3 #
   4 # Copyright (C) 1999  Kaz Kojima
   5 # Copyright (C) 2002, 2003, 2004  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 isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
  22
  23 ifndef CONFIG_SH_DSP
  24 ifndef CONFIG_SH_FPU
  25 isa-y                   := $(isa-y)-nofpu
  26 endif
  27 endif
  28
  29 isa-y                   := $(isa-y)-up
  30
  31 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
  32 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
  33                                            $(call cc-option,-m2a-nofpu,)
  34 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
  35 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
  36         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
  37 cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
  38                                            $(call cc-option,-m4a-nofpu,)
  39 cflags-$(CONFIG_CPU_SH5)                := $(call cc-option,-m5-32media-nofpu,)
  40
  41 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
  42 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
  43
  44 cflags-y        += $(call cc-option,-mno-fdpic)
  45
  46 #
  47 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
  48 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
  49 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
  50 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
  51 # opcodes, we always want the best ISA tuning the version of binutils
  52 # will provide.
  53 #
  54 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
  55
  56 isaflags-$(CONFIG_SH_DSP)               := \
  57         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
  58
  59 cflags-y        += $(isaflags-y) -ffreestanding
  60
  61 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
  62         $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
  63
  64 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
  65                    -R .stab -R .stabstr -S
  66
  67 # Give the various platforms the opportunity to set default image types
  68 defaultimage-$(CONFIG_SUPERH32) := zImage
  69
  70 # Set some sensible Kbuild defaults
  71 KBUILD_DEFCONFIG        := r7780mp_defconfig
  72 KBUILD_IMAGE            := $(defaultimage-y)
  73
  74 #
  75 # Choosing incompatible machines durings configuration will result in
  76 # error messages during linking.
  77 #
  78 ifdef CONFIG_SUPERH32
  79 LDFLAGS_vmlinux += -e _stext
  80 else
  81 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
  82                    --defsym phys_stext_shmedia=phys_stext+1 \
  83                    -e phys_stext_shmedia
  84 endif
  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 KBUILD_CFLAGS           += -pipe $(cflags-y)
  95 KBUILD_AFLAGS           += $(cflags-y)
  96
  97 head-y                  := arch/sh/kernel/init_task.o
  98 head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
  99 head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
 100
 101 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 102
 103 core-y                          += arch/sh/kernel/ arch/sh/mm/
 104 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
 105
 106 # Boards
 107 machdir-$(CONFIG_SH_SOLUTION_ENGINE)            += se/770x
 108 machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)       += se/7722
 109 machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)       += se/7751
 110 machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)       += se/7780
 111 machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)       += se/7343
 112 machdir-$(CONFIG_SH_7721_SOLUTION_ENGINE)       += se/7721
 113 machdir-$(CONFIG_SH_HP6XX)                      += hp6xx
 114 machdir-$(CONFIG_SH_DREAMCAST)                  += dreamcast
 115 machdir-$(CONFIG_SH_SH03)                       += sh03
 116 machdir-$(CONFIG_SH_SECUREEDGE5410)             += snapgear
 117 machdir-$(CONFIG_SH_RTS7751R2D)                 += renesas/rts7751r2d
 118 machdir-$(CONFIG_SH_7751_SYSTEMH)               += renesas/systemh
 119 machdir-$(CONFIG_SH_EDOSK7705)                  += renesas/edosk7705
 120 machdir-$(CONFIG_SH_HIGHLANDER)                 += renesas/r7780rp
 121 machdir-$(CONFIG_SH_MIGOR)                      += renesas/migor
 122 machdir-$(CONFIG_SH_SDK7780)                    += renesas/sdk7780
 123 machdir-$(CONFIG_SH_X3PROTO)                    += renesas/x3proto
 124 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += superh/microdev
 125 machdir-$(CONFIG_SH_LANDISK)                    += landisk
 126 machdir-$(CONFIG_SH_TITAN)                      += titan
 127 machdir-$(CONFIG_SH_SHMIN)                      += shmin
 128 machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)       += se/7206
 129 machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)       += se/7619
 130 machdir-$(CONFIG_SH_LBOX_RE2)                   += lboxre2
 131 machdir-$(CONFIG_SH_MAGIC_PANEL_R2)             += magicpanelr2
 132 machdir-$(CONFIG_SH_CAYMAN)                     += cayman
 133
 134 incdir-y        := $(notdir $(machdir-y))
 135
 136 ifneq ($(machdir-y),)
 137 core-y  += $(addprefix arch/sh/boards/, \
 138              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 139 endif
 140
 141 # Companion chips
 142 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
 143
 144 cpuincdir-$(CONFIG_CPU_SH2)     := cpu-sh2
 145 cpuincdir-$(CONFIG_CPU_SH2A)    := cpu-sh2a
 146 cpuincdir-$(CONFIG_CPU_SH3)     := cpu-sh3
 147 cpuincdir-$(CONFIG_CPU_SH4)     := cpu-sh4
 148 cpuincdir-$(CONFIG_CPU_SH5)     := cpu-sh5
 149
 150 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 151 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
 152 libs-y                          += $(LIBGCC)
 153
 154 drivers-y                       += arch/sh/drivers/
 155 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
 156
 157 boot := arch/sh/boot
 158
 159 ifneq ($(KBUILD_SRC),)
 160 incdir-prefix   := $(srctree)/include/asm-sh/
 161 else
 162 incdir-prefix   :=
 163 endif
 164
 165 #       Update machine arch and proc symlinks if something which affects
 166 #       them changed.  We use .arch and .mach to indicate when they were
 167 #       updated last, otherwise make uses the target directory mtime.
 168
 169 include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
 170                      include/config/auto.conf FORCE
 171         @echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
 172         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 173         $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
 174         @touch $@
 175
 176 #       Most boards have their own mach directories.  For the ones that
 177 #       don't, just reference the parent directory so the semantics are
 178 #       kept roughly the same.
 179 #
 180 #       When multiple boards are compiled in at the same time, preference
 181 #       for the mach link is given to whichever has a directory for its
 182 #       headers. However, this is only a workaround until platforms that
 183 #       can live in the same kernel image back away from relying on the
 184 #       mach link.
 185
 186 include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
 187                       include/config/auto.conf FORCE
 188         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 189         $(Q)rm -f include/asm-sh/mach
 190         $(Q)for i in $(incdir-y); do \
 191         if [ -d $(srctree)/include/asm-sh/$$i ]; then \
 192                 echo -n '  SYMLINK include/asm-sh/mach -> '; \
 193                 echo -e "include/asm-sh/$$i"; \
 194                 ln -fsn $(incdir-prefix)$$i \
 195                         include/asm-sh/mach; \
 196         else \
 197                 if [ ! -d include/asm-sh/mach ]; then \
 198                         echo -n '  SYMLINK include/asm-sh/mach -> '; \
 199                         echo -e 'include/asm-sh'; \
 200                         ln -fsn $(incdir-prefix)../asm-sh include/asm-sh/mach; \
 201                 fi; \
 202         fi; \
 203         done
 204         @touch $@
 205
 206 PHONY += maketools FORCE
 207
 208 maketools:  include/linux/version.h FORCE
 209         $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
 210
 211 all: $(KBUILD_IMAGE)
 212
 213 zImage uImage uImage.srec vmlinux.srec: vmlinux
 214         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 215
 216 compressed: zImage
 217
 218 archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \
 219              arch/sh/lib64/syscalltab.h
 220
 221 archclean:
 222         $(Q)$(MAKE) $(clean)=$(boot)
 223
 224 define archhelp
 225         @echo '* zImage                    - Compressed kernel image'
 226         @echo '  vmlinux.srec              - Create an ELF S-record'
 227         @echo '  uImage                    - Create a bootable image for U-Boot'
 228         @echo '  uImage.srec               - Create an S-record for U-Boot'
 229 endef
 230
 231 define filechk_gen-syscalltab
 232        (set -e; \
 233         echo "/*"; \
 234         echo " * DO NOT MODIFY."; \
 235         echo " *"; \
 236         echo " * This file was generated by arch/sh/Makefile"; \
 237         echo " * Any changes will be reverted at build time."; \
 238         echo " */"; \
 239         echo ""; \
 240         echo "#ifndef __SYSCALLTAB_H"; \
 241         echo "#define __SYSCALLTAB_H"; \
 242         echo ""; \
 243         echo "#include <linux/kernel.h>"; \
 244         echo ""; \
 245         echo "struct syscall_info {"; \
 246         echo "  const char *name;"; \
 247         echo "} syscall_info_table[] = {"; \
 248         sed -e '/^.*\.long /!d;s//      { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
 249                 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
 250         echo "};"; \
 251         echo ""; \
 252         echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
 253         echo ""; \
 254         echo "#endif /* __SYSCALLTAB_H */" )
 255 endef
 256
 257 arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
 258         $(call filechk,gen-syscalltab)
 259
 260 CLEAN_FILES += arch/sh/lib64/syscalltab.h \
 261                include/asm-sh/machtypes.h \
 262                include/asm-sh/cpu include/asm-sh/.cpu \
 263                include/asm-sh/mach include/asm-sh/.mach