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   1 #
   2 # arch/sh/Makefile
   3 #
   4 # Copyright (C) 1999  Kaz Kojima
   5 # Copyright (C) 2002 - 2008  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
  22 ifeq ($(CONFIG_SUPERH32),y)
  23 isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
  24 isa-y                                   := $(isa-y)-up
  25 endif
  26
  27 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
  28 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
  29                                            $(call cc-option,-m2a-nofpu,)
  30 cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
  31 cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
  32         $(call cc-option,-mno-implicit-fp,-m4-nofpu)
  33 cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
  34                                            $(call cc-option,-m4a-nofpu,)
  35 cflags-$(CONFIG_CPU_SH4AL_DSP)          += $(call cc-option,-m4al,)
  36 cflags-$(CONFIG_CPU_SH5)                := $(call cc-option,-m5-32media-nofpu,)
  37
  38 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
  39 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
  40
  41 cflags-y        += $(call cc-option,-mno-fdpic)
  42
  43 #
  44 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
  45 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
  46 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
  47 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
  48 # opcodes, we always want the best ISA tuning the version of binutils
  49 # will provide.
  50 #
  51 isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
  52
  53 isaflags-$(CONFIG_SH_DSP)               := \
  54         $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
  55
  56 cflags-y        += $(isaflags-y) -ffreestanding
  57
  58 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
  59         $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
  60
  61 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
  62                    -R .stab -R .stabstr -S
  63
  64 # Give the various platforms the opportunity to set default image types
  65 defaultimage-$(CONFIG_SUPERH32)                 := zImage
  66 defaultimage-$(CONFIG_SH_SH7785LCR)             := uImage
  67 defaultimage-$(CONFIG_SH_RSK7203)               := uImage
  68 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)  := vmlinux
  69 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)  := vmlinux
  70
  71 # Set some sensible Kbuild defaults
  72 KBUILD_DEFCONFIG        := shx3_defconfig
  73 KBUILD_IMAGE            := $(defaultimage-y)
  74
  75 #
  76 # Choosing incompatible machines durings configuration will result in
  77 # error messages during linking.
  78 #
  79 ifdef CONFIG_SUPERH32
  80 UTS_MACHINE     := sh
  81 LDFLAGS_vmlinux += -e _stext
  82 else
  83 UTS_MACHINE     := sh64
  84 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
  85                    --defsym phys_stext_shmedia=phys_stext+1 \
  86                    -e phys_stext_shmedia
  87 endif
  88
  89 ifdef CONFIG_CPU_LITTLE_ENDIAN
  90 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
  91 LDFLAGS                 += -EL
  92 else
  93 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
  94 LDFLAGS                 += -EB
  95 endif
  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 core-y                          += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
 102 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
 103
 104 # Mach groups
 105 machdir-$(CONFIG_SOLUTION_ENGINE)               += mach-se
 106 machdir-$(CONFIG_SH_HP6XX)                      += mach-hp6xx
 107 machdir-$(CONFIG_SH_DREAMCAST)                  += mach-dreamcast
 108 machdir-$(CONFIG_SH_SH03)                       += mach-sh03
 109 machdir-$(CONFIG_SH_SECUREEDGE5410)             += mach-snapgear
 110 machdir-$(CONFIG_SH_RTS7751R2D)                 += mach-r2d
 111 machdir-$(CONFIG_SH_7751_SYSTEMH)               += mach-systemh
 112 machdir-$(CONFIG_SH_EDOSK7705)                  += mach-edosk7705
 113 machdir-$(CONFIG_SH_HIGHLANDER)                 += mach-highlander
 114 machdir-$(CONFIG_SH_MIGOR)                      += mach-migor
 115 machdir-$(CONFIG_SH_SDK7780)                    += mach-sdk7780
 116 machdir-$(CONFIG_SH_X3PROTO)                    += mach-x3proto
 117 machdir-$(CONFIG_SH_SH7763RDP)                  += mach-sh7763rdp
 118 machdir-$(CONFIG_SH_SH4202_MICRODEV)            += mach-microdev
 119 machdir-$(CONFIG_SH_LANDISK)                    += mach-landisk
 120 machdir-$(CONFIG_SH_TITAN)                      += mach-titan
 121 machdir-$(CONFIG_SH_LBOX_RE2)                   += mach-lboxre2
 122 machdir-$(CONFIG_SH_CAYMAN)                     += mach-cayman
 123
 124 ifneq ($(machdir-y),)
 125 core-y  += $(addprefix arch/sh/boards/, \
 126              $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 127 endif
 128
 129 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
 130 machdir-y       += mach-common
 131
 132 # Companion chips
 133 core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
 134
 135 #
 136 # CPU header paths
 137 #
 138 # These are ordered by optimization level. A CPU family that is a subset
 139 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
 140 # levels of genericness if nothing more suitable is situated in the
 141 # hierarchy.
 142 #
 143 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
 144 #
 145 cpuincdir-$(CONFIG_CPU_SH2A)    += cpu-sh2a
 146 cpuincdir-$(CONFIG_CPU_SH2)     += cpu-sh2
 147 cpuincdir-$(CONFIG_CPU_SH3)     += cpu-sh3
 148 cpuincdir-$(CONFIG_CPU_SH4)     += cpu-sh4
 149 cpuincdir-$(CONFIG_CPU_SH5)     += cpu-sh5
 150 cpuincdir-y                     += cpu-common   # Must be last
 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 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 165
 166 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 167 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y) $(LIBGCC)
 168
 169 PHONY += maketools FORCE
 170
 171 maketools:  include/linux/version.h FORCE
 172         $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
 173
 174 all: $(KBUILD_IMAGE)
 175
 176 zImage uImage uImage.srec vmlinux.srec: vmlinux
 177         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 178
 179 compressed: zImage
 180
 181 archprepare: maketools arch/sh/lib64/syscalltab.h
 182
 183 archclean:
 184         $(Q)$(MAKE) $(clean)=$(boot)
 185
 186 define archhelp
 187         @echo '* zImage                    - Compressed kernel image'
 188         @echo '  vmlinux.srec              - Create an ELF S-record'
 189         @echo '  uImage                    - Create a bootable image for U-Boot'
 190         @echo '  uImage.srec               - Create an S-record for U-Boot'
 191 endef
 192
 193 define filechk_gen-syscalltab
 194        (set -e; \
 195         echo "/*"; \
 196         echo " * DO NOT MODIFY."; \
 197         echo " *"; \
 198         echo " * This file was generated by arch/sh/Makefile"; \
 199         echo " * Any changes will be reverted at build time."; \
 200         echo " */"; \
 201         echo ""; \
 202         echo "#ifndef __SYSCALLTAB_H"; \
 203         echo "#define __SYSCALLTAB_H"; \
 204         echo ""; \
 205         echo "#include <linux/kernel.h>"; \
 206         echo ""; \
 207         echo "struct syscall_info {"; \
 208         echo "  const char *name;"; \
 209         echo "} syscall_info_table[] = {"; \
 210         sed -e '/^.*\.long /!d;s//      { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
 211                 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
 212         echo "};"; \
 213         echo ""; \
 214         echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
 215         echo ""; \
 216         echo "#endif /* __SYSCALLTAB_H */" )
 217 endef
 218
 219 arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
 220         $(call filechk,gen-syscalltab)
 221
 222 CLEAN_FILES += arch/sh/lib64/syscalltab.h \
 223                include/asm-sh/machtypes.h