arch/sh/Makefile

   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_MMU
  24 isa-y                   := $(isa-y)-nommu
  25 endif
  26
  27 ifndef CONFIG_SH_DSP
  28 ifndef CONFIG_SH_FPU
  29 isa-y                   := $(isa-y)-nofpu
  30 endif
  31 endif
  32
  33 isa-y                   := $(isa-y)-up
  34
  35 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
  36 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
  37                                            $(call cc-option,-m2a-nofpu,)
  38 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
  39 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
  40         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
  41 cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
  42                                            $(call cc-option,-m4a-nofpu,)
  43 cflags-$(CONFIG_CPU_SH5)                := $(call cc-option,-m5-32media-nofpu,)
  44
  45 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
  46 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
  47
  48 #
  49 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
  50 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
  51 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
  52 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
  53 # opcodes, we always want the best ISA tuning the version of binutils
  54 # will provide.
  55 #
  56 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
  57
  58 isaflags-$(CONFIG_SH_DSP)               := \
  59         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
  60
  61 cflags-y        += $(isaflags-y) -ffreestanding
  62
  63 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
  64         $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
  65
  66 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
  67                    -R .stab -R .stabstr -S
  68
  69 # Give the various platforms the opportunity to set default image types
  70 defaultimage-$(CONFIG_SUPERH32) := zImage
  71
  72 # Set some sensible Kbuild defaults
  73 KBUILD_DEFCONFIG        := r7780rp_defconfig
  74 KBUILD_IMAGE            := $(defaultimage-y)
  75
  76 #
  77 # Choosing incompatible machines durings configuration will result in
  78 # error messages during linking.
  79 #
  80 ifdef CONFIG_SUPERH32
  81 LDFLAGS_vmlinux += -e _stext
  82 else
  83 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
  84                    --defsym phys_stext_shmedia=phys_stext+1 \
  85                    -e phys_stext_shmedia
  86 endif
  87
  88 ifdef CONFIG_CPU_LITTLE_ENDIAN
  89 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
  90 LDFLAGS                 += -EL
  91 else
  92 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
  93 LDFLAGS                 += -EB
  94 endif
  95
  96 KBUILD_CFLAGS           += -pipe $(cflags-y)
  97 KBUILD_AFLAGS           += $(cflags-y)
  98
  99 head-y                  := arch/sh/kernel/init_task.o
 100 head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
 101 head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
 102
 103 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 104
 105 core-y                          += arch/sh/kernel/ arch/sh/mm/
 106 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
 107
 108 # Boards
 109 machdir-$(CONFIG_SH_SOLUTION_ENGINE)            += se/770x
 110 machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)       += se/7722
 111 machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)       += se/7751
 112 machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)       += se/7780
 113 machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)       += se/7343
 114 machdir-$(CONFIG_SH_HP6XX)                      += hp6xx
 115 machdir-$(CONFIG_SH_DREAMCAST)                  += dreamcast
 116 machdir-$(CONFIG_SH_MPC1211)                    += mpc1211
 117 machdir-$(CONFIG_SH_SH03)                       += sh03
 118 machdir-$(CONFIG_SH_SECUREEDGE5410)             += snapgear
 119 machdir-$(CONFIG_SH_HS7751RVOIP)                += renesas/hs7751rvoip
 120 machdir-$(CONFIG_SH_RTS7751R2D)                 += renesas/rts7751r2d
 121 machdir-$(CONFIG_SH_7751_SYSTEMH)               += renesas/systemh
 122 machdir-$(CONFIG_SH_EDOSK7705)                  += renesas/edosk7705
 123 machdir-$(CONFIG_SH_HIGHLANDER)                 += renesas/r7780rp
 124 machdir-$(CONFIG_SH_7710VOIPGW)                 += renesas/sh7710voipgw
 125 machdir-$(CONFIG_SH_X3PROTO)                    += renesas/x3proto
 126 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += superh/microdev
 127 machdir-$(CONFIG_SH_LANDISK)                    += landisk
 128 machdir-$(CONFIG_SH_TITAN)                      += titan
 129 machdir-$(CONFIG_SH_SHMIN)                      += shmin
 130 machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)       += se/7206
 131 machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)       += se/7619
 132 machdir-$(CONFIG_SH_LBOX_RE2)                   += lboxre2
 133 machdir-$(CONFIG_SH_MAGIC_PANEL_R2)             += magicpanelr2
 134 machdir-$(CONFIG_SH_CAYMAN)                     += cayman
 135
 136 incdir-y        := $(notdir $(machdir-y))
 137
 138 ifneq ($(machdir-y),)
 139 core-y  += $(addprefix arch/sh/boards/, \
 140              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 141 endif
 142
 143 # Companion chips
 144 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
 145 core-$(CONFIG_MFD_SM501)        += arch/sh/cchips/voyagergx/
 146
 147 cpuincdir-$(CONFIG_CPU_SH2)     := cpu-sh2
 148 cpuincdir-$(CONFIG_CPU_SH2A)    := cpu-sh2a
 149 cpuincdir-$(CONFIG_CPU_SH3)     := cpu-sh3
 150 cpuincdir-$(CONFIG_CPU_SH4)     := cpu-sh4
 151 cpuincdir-$(CONFIG_CPU_SH5)     := cpu-sh5
 152
 153 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 154 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
 155 libs-y                          += $(LIBGCC)
 156
 157 drivers-y                       += arch/sh/drivers/
 158 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
 159
 160 boot := arch/sh/boot
 161
 162 CPPFLAGS_vmlinux.lds := -traditional
 163
 164 incdir-prefix   := $(srctree)/include/asm-sh/
 165
 166 #       Update machine arch and proc symlinks if something which affects
 167 #       them changed.  We use .arch and .mach to indicate when they were
 168 #       updated last, otherwise make uses the target directory mtime.
 169
 170 include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
 171                      include/config/auto.conf FORCE
 172         @echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
 173         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 174         $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
 175         @touch $@
 176
 177 #       Most boards have their own mach directories.  For the ones that
 178 #       don't, just reference the parent directory so the semantics are
 179 #       kept roughly the same.
 180 #
 181 #       When multiple boards are compiled in at the same time, preference
 182 #       for the mach link is given to whichever has a directory for its
 183 #       headers. However, this is only a workaround until platforms that
 184 #       can live in the same kernel image back away from relying on the
 185 #       mach link.
 186
 187 include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
 188                       include/config/auto.conf FORCE
 189         $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 190         $(Q)rm -f include/asm-sh/mach
 191         $(Q)for i in $(incdir-y); do \
 192         if [ -d $(incdir-prefix)$$i ]; then \
 193                 echo -n '  SYMLINK include/asm-sh/mach -> '; \
 194                 echo -e "include/asm-sh/$$i"; \
 195                 ln -fsn $(incdir-prefix)$$i \
 196                         include/asm-sh/mach; \
 197         else \
 198                 if [ ! -d include/asm-sh/mach ]; then \
 199                         echo -n '  SYMLINK include/asm-sh/mach -> '; \
 200                         echo -e 'include/asm-sh'; \
 201                         ln -fsn $(incdir-prefix) include/asm-sh/mach; \
 202                 fi; \
 203         fi; \
 204         done
 205         @touch $@
 206
 207 PHONY += maketools FORCE
 208
 209 maketools:  include/linux/version.h FORCE
 210         $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
 211
 212 all: $(KBUILD_IMAGE)
 213
 214 zImage uImage uImage.srec vmlinux.srec: vmlinux
 215         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 216
 217 compressed: zImage
 218
 219 archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \
 220              arch/sh/lib64/syscalltab.h
 221
 222 archclean:
 223         $(Q)$(MAKE) $(clean)=$(boot)
 224
 225 define archhelp
 226         @echo '* zImage                    - Compressed kernel image'
 227         @echo '  vmlinux.srec              - Create an ELF S-record'
 228         @echo '  uImage                    - Create a bootable image for U-Boot'
 229         @echo '  uImage.srec               - Create an S-record for U-Boot'
 230 endef
 231
 232 define filechk_gen-syscalltab
 233        (set -e; \
 234         echo "/*"; \
 235         echo " * DO NOT MODIFY."; \
 236         echo " *"; \
 237         echo " * This file was generated by arch/sh/Makefile"; \
 238         echo " * Any changes will be reverted at build time."; \
 239         echo " */"; \
 240         echo ""; \
 241         echo "#ifndef __SYSCALLTAB_H"; \
 242         echo "#define __SYSCALLTAB_H"; \
 243         echo ""; \
 244         echo "#include <linux/kernel.h>"; \
 245         echo ""; \
 246         echo "struct syscall_info {"; \
 247         echo "  const char *name;"; \
 248         echo "} syscall_info_table[] = {"; \
 249         sed -e '/^.*\.long /!d;s//      { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
 250                 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
 251         echo "};"; \
 252         echo ""; \
 253         echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
 254         echo ""; \
 255         echo "#endif /* __SYSCALLTAB_H */" )
 256 endef
 257
 258 arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
 259         $(call filechk,gen-syscalltab)
 260
 261 CLEAN_FILES += arch/sh/lib64/syscalltab.h \
 262                include/asm-sh/machtypes.h \
 263                include/asm-sh/cpu include/asm-sh/.cpu \
 264                include/asm-sh/mach include/asm-sh/.mach