linux/arch/sh/Makefile
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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#
  12isa-y                                   := any
  13isa-$(CONFIG_SH_DSP)                    := sh
  14isa-$(CONFIG_CPU_SH2)                   := sh2
  15isa-$(CONFIG_CPU_SH2A)                  := sh2a
  16isa-$(CONFIG_CPU_SH3)                   := sh3
  17isa-$(CONFIG_CPU_SH4)                   := sh4
  18isa-$(CONFIG_CPU_SH4A)                  := sh4a
  19isa-$(CONFIG_CPU_SH4AL_DSP)             := sh4al
  20isa-$(CONFIG_CPU_SH5)                   := shmedia
  21isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
  22
  23ifndef CONFIG_SH_DSP
  24ifndef CONFIG_SH_FPU
  25isa-y                   := $(isa-y)-nofpu
  26endif
  27endif
  28
  29isa-y                   := $(isa-y)-up
  30
  31cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
  32cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
  33                                           $(call cc-option,-m2a-nofpu,)
  34cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
  35cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
  36        $(call cc-option,-mno-implicit-fp,-m4-nofpu)
  37cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
  38                                           $(call cc-option,-m4a-nofpu,)
  39cflags-$(CONFIG_CPU_SH5)                := $(call cc-option,-m5-32media-nofpu,)
  40
  41cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
  42cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
  43
  44cflags-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#
  54isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
  55
  56isaflags-$(CONFIG_SH_DSP)               := \
  57        $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
  58
  59cflags-y        += $(isaflags-y) -ffreestanding
  60
  61cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
  62        $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
  63
  64OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment \
  65                   -R .stab -R .stabstr -S
  66
  67# Give the various platforms the opportunity to set default image types
  68defaultimage-$(CONFIG_SUPERH32) := zImage
  69
  70# Set some sensible Kbuild defaults
  71KBUILD_DEFCONFIG        := shx3_defconfig
  72KBUILD_IMAGE            := $(defaultimage-y)
  73
  74#
  75# Choosing incompatible machines durings configuration will result in
  76# error messages during linking.
  77#
  78ifdef CONFIG_SUPERH32
  79LDFLAGS_vmlinux += -e _stext
  80else
  81LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
  82                   --defsym phys_stext_shmedia=phys_stext+1 \
  83                   -e phys_stext_shmedia
  84endif
  85
  86ifdef CONFIG_CPU_LITTLE_ENDIAN
  87LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
  88LDFLAGS                 += -EL
  89else
  90LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
  91LDFLAGS                 += -EB
  92endif
  93
  94head-y                  := arch/sh/kernel/init_task.o
  95head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
  96head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
  97
  98core-y                          += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
  99core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/
 100
 101# Mach groups
 102machdir-$(CONFIG_SOLUTION_ENGINE)               += mach-se
 103machdir-$(CONFIG_SH_HP6XX)                      += mach-hp6xx
 104machdir-$(CONFIG_SH_DREAMCAST)                  += mach-dreamcast
 105machdir-$(CONFIG_SH_SH03)                       += mach-sh03
 106machdir-$(CONFIG_SH_SECUREEDGE5410)             += mach-snapgear
 107machdir-$(CONFIG_SH_RTS7751R2D)                 += mach-r2d
 108machdir-$(CONFIG_SH_7751_SYSTEMH)               += mach-systemh
 109machdir-$(CONFIG_SH_EDOSK7705)                  += mach-edosk7705
 110machdir-$(CONFIG_SH_HIGHLANDER)                 += mach-highlander
 111machdir-$(CONFIG_SH_MIGOR)                      += mach-migor
 112machdir-$(CONFIG_SH_SDK7780)                    += mach-sdk7780
 113machdir-$(CONFIG_SH_X3PROTO)                    += mach-x3proto
 114machdir-$(CONFIG_SH_SH7763RDP)                  += mach-sh7763rdp
 115machdir-$(CONFIG_SH_SH4202_MICRODEV)            += mach-microdev
 116machdir-$(CONFIG_SH_LANDISK)                    += mach-landisk
 117machdir-$(CONFIG_SH_TITAN)                      += mach-titan
 118machdir-$(CONFIG_SH_LBOX_RE2)                   += mach-lboxre2
 119machdir-$(CONFIG_SH_CAYMAN)                     += mach-cayman
 120
 121ifneq ($(machdir-y),)
 122core-y  += $(addprefix arch/sh/boards/, \
 123             $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 124endif
 125
 126# Companion chips
 127core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
 128
 129#
 130# CPU header paths
 131#
 132# These are ordered by optimization level. A CPU family that is a subset
 133# of another (ie, SH-2A / SH-2), is picked up first, with increasing
 134# levels of genericness if nothing more suitable is situated in the
 135# hierarchy.
 136#
 137# As an example, in order of preference, SH-2A > SH-2 > common definitions.
 138#
 139cpuincdir-$(CONFIG_CPU_SH2A)    += cpu-sh2a
 140cpuincdir-$(CONFIG_CPU_SH2)     += cpu-sh2
 141cpuincdir-$(CONFIG_CPU_SH3)     += cpu-sh3
 142cpuincdir-$(CONFIG_CPU_SH4)     += cpu-sh4
 143cpuincdir-$(CONFIG_CPU_SH5)     += cpu-sh5
 144cpuincdir-y                     += cpu-common   # Must be last
 145
 146drivers-y                       += arch/sh/drivers/
 147drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/
 148
 149boot := arch/sh/boot
 150
 151cflags-y        += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
 152                   $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
 153
 154KBUILD_CFLAGS           += -pipe $(cflags-y)
 155KBUILD_CPPFLAGS         += $(cflags-y)
 156KBUILD_AFLAGS           += $(cflags-y)
 157
 158LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 159
 160libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 161libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
 162libs-y                          += $(LIBGCC)
 163
 164PHONY += maketools FORCE
 165
 166maketools:  include/linux/version.h FORCE
 167        $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
 168
 169all: $(KBUILD_IMAGE)
 170
 171zImage uImage uImage.srec vmlinux.srec: vmlinux
 172        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 173
 174compressed: zImage
 175
 176archprepare: maketools arch/sh/lib64/syscalltab.h
 177
 178archclean:
 179        $(Q)$(MAKE) $(clean)=$(boot)
 180
 181define 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'
 186endef
 187
 188define 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 */" )
 212endef
 213
 214arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
 215        $(call filechk,gen-syscalltab)
 216
 217CLEAN_FILES += arch/sh/lib64/syscalltab.h \
 218               include/asm-sh/machtypes.h
 219