# this architecture
#
-#
-# We don't necessarily agree with the top-level Makefile with regards to what
-# does and does not qualify as a noconfig_targets rule. In this case, we're
-# still dependant on .config settings in order for core-y (machdir-y in
-# particular) to resolve the proper directory. So we just manually include it
-# if it hasn't been already..
-#
-ifndef include_config
--include .config
-endif
-
cflags-y := -mb
cflags-$(CONFIG_CPU_LITTLE_ENDIAN) := -ml
+isa-y := any
+isa-$(CONFIG_CPU_SH2) := sh2
+isa-$(CONFIG_CPU_SH3) := sh3
+isa-$(CONFIG_CPU_SH4) := sh4
+isa-$(CONFIG_CPU_SH4A) := sh4a
+isa-$(CONFIG_CPU_SH2A) := sh2a
+
+isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
+
+ifndef CONFIG_MMU
+isa-y := $(isa-y)-nommu
+endif
+
+ifndef CONFIG_SH_FPU
+isa-y := $(isa-y)-nofpu
+endif
+
+cflags-y += $(call as-option,-Wa$(comma)-isa=$(isa-y),)
+
cflags-$(CONFIG_CPU_SH2) += -m2
cflags-$(CONFIG_CPU_SH3) += -m3
cflags-$(CONFIG_CPU_SH4) += -m4 \
$(call cc-option,-mno-implicit-fp,-m4-nofpu)
+cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a-nofpu,)
cflags-$(CONFIG_SH_DSP) += -Wa,-dsp
cflags-$(CONFIG_SH_KGDB) += -g
OBJCOPYFLAGS := -O binary -R .note -R .comment -R .stab -R .stabstr -S
+#
+# arch/sh/defconfig doesn't reflect any real hardware, and as such should
+# never be used by anyone. Use a board-specific defconfig that has a
+# reasonable chance of being current instead.
+#
+KBUILD_DEFCONFIG := rts7751r2d_defconfig
+
#
# Choosing incompatible machines durings configuration will result in
# error messages during linking.
core-y += arch/sh/kernel/ arch/sh/mm/
-#
-# ramdisk/initrd support
-# You need a compressed ramdisk image, named
-# CONFIG_EMBEDDED_RAMDISK_IMAGE. Relative pathnames
-# are relative to arch/sh/ramdisk/.
-#
-core-$(CONFIG_EMBEDDED_RAMDISK) += arch/sh/ramdisk/
-
# Boards
machdir-$(CONFIG_SH_SOLUTION_ENGINE) := se/770x
machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) := se/7751
machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) := se/7300
+machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE) := se/73180
machdir-$(CONFIG_SH_STB1_HARP) := harp
machdir-$(CONFIG_SH_STB1_OVERDRIVE) := overdrive
-machdir-$(CONFIG_SH_HP620) := hp6xx/hp620
-machdir-$(CONFIG_SH_HP680) := hp6xx/hp680
-machdir-$(CONFIG_SH_HP690) := hp6xx/hp690
+machdir-$(CONFIG_SH_HP6XX) := hp6xx
machdir-$(CONFIG_SH_CQREEK) := cqreek
machdir-$(CONFIG_SH_DMIDA) := dmida
machdir-$(CONFIG_SH_EC3104) := ec3104
machdir-$(CONFIG_SH_SH2000) := sh2000
machdir-$(CONFIG_SH_ADX) := adx
machdir-$(CONFIG_SH_MPC1211) := mpc1211
+machdir-$(CONFIG_SH_SH03) := sh03
machdir-$(CONFIG_SH_SECUREEDGE5410) := snapgear
machdir-$(CONFIG_SH_HS7751RVOIP) := renesas/hs7751rvoip
machdir-$(CONFIG_SH_RTS7751R2D) := renesas/rts7751r2d
machdir-$(CONFIG_SH_7751_SYSTEMH) := renesas/systemh
+machdir-$(CONFIG_SH_EDOSK7705) := renesas/edosk7705
+machdir-$(CONFIG_SH_SH4202_MICRODEV) := superh/microdev
machdir-$(CONFIG_SH_UNKNOWN) := unknown
incdir-y := $(notdir $(machdir-y))
incdir-$(CONFIG_SH_SOLUTION_ENGINE) := se
incdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) := se7751
incdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) := se7300
+incdir-$(CONFIG_SH_73180_SOLUTION_ENGINE) := se73180
incdir-$(CONFIG_SH_HP600) := hp6xx
+ifneq ($(machdir-y),)
core-y += arch/sh/boards/$(machdir-y)/
+endif
# Companion chips
core-$(CONFIG_HD64461) += arch/sh/cchips/hd6446x/hd64461/
CPPFLAGS_vmlinux.lds := -traditional
-prepare: target_links
+ifneq ($(KBUILD_SRC),)
+incdir-prefix := $(srctree)/include/asm-sh/
+else
+incdir-prefix :=
+endif
-.PHONY: target_links FORCE
+# Update machine arch and proc symlinks if something which affects
+# them changed. We use .arch and .mach to indicate when they were
+# updated last, otherwise make uses the target directory mtime.
+
+include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) include/config/MARKER
+ @echo ' SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
+ $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
+ $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
+ @touch $@
+
+# Most boards have their own mach directories. For the ones that
+# don't, just reference the parent directory so the semantics are
+# kept roughly the same.
+
+include/asm-sh/.mach: $(wildcard include/config/sh/*.h) include/config/MARKER
+ @echo -n ' SYMLINK include/asm-sh/mach -> '
+ $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
+ $(Q)if [ -d $(incdir-prefix)$(incdir-y) ]; then \
+ echo -e 'include/asm-sh/$(incdir-y)'; \
+ ln -fsn $(incdir-prefix)$(incdir-y) \
+ include/asm-sh/mach; \
+ else \
+ echo -e 'include/asm-sh'; \
+ ln -fsn $(incdir-prefix) include/asm-sh/mach; \
+ fi
+ @touch $@
+
+archprepare: maketools include/asm-sh/.cpu include/asm-sh/.mach
+
+PHONY += maketools FORCE
+maketools: include/linux/version.h FORCE
+ $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
all: zImage
-target_links:
- @echo ' Making asm-sh/cpu -> asm-sh/$(cpuincdir-y) link'
- @rm -f include/asm-sh/cpu
- @ln -sf $(cpuincdir-y) include/asm-sh/cpu
-
- @echo ' Making asm-sh/mach -> asm-sh/$(incdir-y) link'
- @rm -f include/asm-sh/mach
- @ln -sf $(incdir-y) include/asm-sh/mach
-
- $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
-
zImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
+CLEAN_FILES += include/asm-sh/machtypes.h
+
define archhelp
@echo ' zImage - Compressed kernel image (arch/sh/boot/zImage)'
endef
git://git.onelab.eu / linux-2.6.git / blobdiff