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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        := shx3_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 head-y                  := arch/sh/kernel/init_task.o
  95 head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
  96 head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
  97
  98 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  99
 100 core-y                          += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
 101 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
 102
 103 # Mach groups
 104 machdir-$(CONFIG_SOLUTION_ENGINE)               += mach-se
 105 machdir-$(CONFIG_SH_HP6XX)                      += mach-hp6xx
 106 machdir-$(CONFIG_SH_DREAMCAST)                  += mach-dreamcast
 107 machdir-$(CONFIG_SH_SH03)                       += mach-sh03
 108 machdir-$(CONFIG_SH_SECUREEDGE5410)             += mach-snapgear
 109 machdir-$(CONFIG_SH_RTS7751R2D)                 += mach-r2d
 110 machdir-$(CONFIG_SH_7751_SYSTEMH)               += mach-systemh
 111 machdir-$(CONFIG_SH_EDOSK7705)                  += mach-edosk7705
 112 machdir-$(CONFIG_SH_HIGHLANDER)                 += mach-highlander
 113 machdir-$(CONFIG_SH_MIGOR)                      += mach-migor
 114 machdir-$(CONFIG_SH_SDK7780)                    += mach-sdk7780
 115 machdir-$(CONFIG_SH_X3PROTO)                    += mach-x3proto
 116 machdir-$(CONFIG_SH_SH7763RDP)                  += mach-sh7763rdp
 117 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += mach-microdev
 118 machdir-$(CONFIG_SH_LANDISK)                    += mach-landisk
 119 machdir-$(CONFIG_SH_TITAN)                      += mach-titan
 120 machdir-$(CONFIG_SH_LBOX_RE2)                   += mach-lboxre2
 121 machdir-$(CONFIG_SH_CAYMAN)                     += mach-cayman
 122
 123 ifneq ($(machdir-y),)
 124 core-y  += $(addprefix arch/sh/boards/, \
 125              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 126 endif
 127
 128 # Companion chips
 129 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
 130
 131 #
 132 # CPU header paths
 133 #
 134 # These are ordered by optimization level. A CPU family that is a subset
 135 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
 136 # levels of genericness if nothing more suitable is situated in the
 137 # hierarchy.
 138 #
 139 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
 140 #
 141 cpuincdir-$(CONFIG_CPU_SH2A)    += cpu-sh2a
 142 cpuincdir-$(CONFIG_CPU_SH2)     += cpu-sh2
 143 cpuincdir-$(CONFIG_CPU_SH3)     += cpu-sh3
 144 cpuincdir-$(CONFIG_CPU_SH4)     += cpu-sh4
 145 cpuincdir-$(CONFIG_CPU_SH5)     += cpu-sh5
 146 cpuincdir-y                     += cpu-common   # Must be last
 147
 148 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 149 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
 150 libs-y                          += $(LIBGCC)
 151
 152 drivers-y                       += arch/sh/drivers/
 153 drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
 154
 155 boot := arch/sh/boot
 156
 157 cflags-y        += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
 158                    $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
 159
 160 KBUILD_CFLAGS           += -pipe $(cflags-y)
 161 KBUILD_CPPFLAGS         += $(cflags-y)
 162 KBUILD_AFLAGS           += $(cflags-y)
 163
 164 PHONY += maketools FORCE
 165
 166 maketools:  include/linux/version.h FORCE
 167         $(Q)$(MAKE) $(build)=arch/sh/tools arch/sh/include/asm/machtypes.h
 168
 169 all: $(KBUILD_IMAGE)
 170
 171 zImage uImage uImage.srec vmlinux.srec: vmlinux
 172         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 173
 174 compressed: zImage
 175
 176 archprepare: maketools arch/sh/lib64/syscalltab.h
 177
 178 archclean:
 179         $(Q)$(MAKE) $(clean)=$(boot)
 180
 181 define archhelp
 182         @echo '* zImage                    - Compressed kernel image'
 183         @echo '  vmlinux.srec              - Create an ELF S-record'
 184         @echo '  uImage                    - Create a bootable image for U-Boot'
 185         @echo '  uImage.srec               - Create an S-record for U-Boot'
 186 endef
 187
 188 define filechk_gen-syscalltab
 189        (set -e; \
 190         echo "/*"; \
 191         echo " * DO NOT MODIFY."; \
 192         echo " *"; \
 193         echo " * This file was generated by arch/sh/Makefile"; \
 194         echo " * Any changes will be reverted at build time."; \
 195         echo " */"; \
 196         echo ""; \
 197         echo "#ifndef __SYSCALLTAB_H"; \
 198         echo "#define __SYSCALLTAB_H"; \
 199         echo ""; \
 200         echo "#include <linux/kernel.h>"; \
 201         echo ""; \
 202         echo "struct syscall_info {"; \
 203         echo "  const char *name;"; \
 204         echo "} syscall_info_table[] = {"; \
 205         sed -e '/^.*\.long /!d;s//      { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
 206                 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
 207         echo "};"; \
 208         echo ""; \
 209         echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
 210         echo ""; \
 211         echo "#endif /* __SYSCALLTAB_H */" )
 212 endef
 213
 214 arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
 215         $(call filechk,gen-syscalltab)
 216
 217 CLEAN_FILES += arch/sh/lib64/syscalltab.h \
 218                arch/sh/include/asm/machtypes.h