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-rw-r--r--arch/sh/Makefile193
1 files changed, 193 insertions, 0 deletions
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
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index 0000000000..cab2f9c011
--- /dev/null
+++ b/arch/sh/Makefile
@@ -0,0 +1,193 @@
+#
+# arch/sh/Makefile
+#
+# Copyright (C) 1999 Kaz Kojima
+# Copyright (C) 2002 - 2008 Paul Mundt
+# Copyright (C) 2002 M. R. Brown
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+ifdef cross_compiling
+ ifeq ($(CROSS_COMPILE),)
+ CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-)
+ endif
+endif
+
+KBUILD_DEFCONFIG := shx3_defconfig
+
+isa-y := any
+isa-$(CONFIG_SH_DSP) := sh
+isa-$(CONFIG_CPU_SH2) := sh2
+isa-$(CONFIG_CPU_SH2A) := sh2a
+isa-$(CONFIG_CPU_SH3) := sh3
+isa-$(CONFIG_CPU_SH4) := sh4
+isa-$(CONFIG_CPU_SH4A) := sh4a
+isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
+
+isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
+isa-y := $(isa-y)-up
+
+cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
+cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
+cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
+ $(call cc-option,-m2a-nofpu,) \
+ $(call cc-option,-m4-nofpu,)
+cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
+cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
+ $(call cc-option,-mno-implicit-fp,-m4-nofpu)
+cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
+ $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
+
+ifeq ($(cflags-y),)
+#
+# In the case where we are stuck with a compiler that has been uselessly
+# restricted to a particular ISA, a favourite default of newer GCCs when
+# extensive multilib targets are not provided, ensure we get the best fit
+# regarding FP generation. This is intentionally stupid (albeit many
+# orders of magnitude less than GCC's default behaviour), as anything
+# with a large number of multilib targets better have been built
+# correctly for the target in mind.
+#
+cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
+ grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
+# At this point, anything goes.
+isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
+else
+#
+# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
+# support it, while -Wa,-dsp by itself limits the range of usable opcodes
+# on certain CPU subtypes. Try the ISA variant first, and if that fails,
+# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
+# opcodes, we always want the best ISA tuning the version of binutils
+# will provide.
+#
+isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
+
+isaflags-$(CONFIG_SH_DSP) := \
+ $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
+endif
+
+cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
+cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
+
+cflags-y += $(call cc-option,-mno-fdpic)
+cflags-y += $(isaflags-y) -ffreestanding
+
+OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
+ -R .stab -R .stabstr -S
+
+# Give the various platforms the opportunity to set default image types
+defaultimage-y := zImage
+defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
+defaultimage-$(CONFIG_SH_RSK) := uImage
+defaultimage-$(CONFIG_SH_URQUELL) := uImage
+defaultimage-$(CONFIG_SH_MIGOR) := uImage
+defaultimage-$(CONFIG_SH_AP325RXA) := uImage
+defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
+defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
+defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
+defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
+
+# Set some sensible Kbuild defaults
+boot := arch/sh/boot
+KBUILD_IMAGE := $(boot)/$(defaultimage-y)
+
+#
+# Choosing incompatible machines durings configuration will result in
+# error messages during linking.
+#
+UTS_MACHINE := sh
+LDFLAGS_vmlinux += -e _stext
+
+ifdef CONFIG_CPU_LITTLE_ENDIAN
+ld-bfd := elf32-sh-linux
+LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
+KBUILD_LDFLAGS += -EL
+else
+ld-bfd := elf32-shbig-linux
+LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
+KBUILD_LDFLAGS += -EB
+endif
+
+export ld-bfd
+
+# Mach groups
+machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
+machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
+machdir-$(CONFIG_SH_SH03) += mach-sh03
+machdir-$(CONFIG_SH_MIGOR) += mach-migor
+machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
+machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
+machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
+machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
+machdir-$(CONFIG_SH_LANDISK) += mach-landisk
+machdir-y += mach-common
+
+#
+# CPU header paths
+#
+# These are ordered by optimization level. A CPU family that is a subset
+# of another (ie, SH-2A / SH-2), is picked up first, with increasing
+# levels of genericness if nothing more suitable is situated in the
+# hierarchy.
+#
+# As an example, in order of preference, SH-2A > SH-2 > common definitions.
+#
+cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
+cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
+cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
+cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
+cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
+cpuincdir-y += cpu-common # Must be last
+
+drivers-y += arch/sh/drivers/
+
+KBUILD_CPPFLAGS += $(addprefix -I $(srctree)/arch/sh/include/, $(cpuincdir-y) $(machdir-y))
+KBUILD_CFLAGS += -pipe $(cflags-y)
+KBUILD_AFLAGS += $(cflags-y)
+
+ifeq ($(CONFIG_MCOUNT),y)
+ KBUILD_CFLAGS += -pg
+endif
+
+ifeq ($(CONFIG_DWARF_UNWINDER),y)
+ KBUILD_CFLAGS += -fasynchronous-unwind-tables
+endif
+
+libs-y := arch/sh/lib/ $(libs-y)
+
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
+ uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
+ romImage
+PHONY += $(BOOT_TARGETS)
+
+all: $(notdir $(KBUILD_IMAGE))
+
+$(BOOT_TARGETS): vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+compressed: zImage
+
+archprepare:
+ $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
+
+archheaders:
+ $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
+
+define archhelp
+ @echo ' zImage - Compressed kernel image'
+ @echo ' romImage - Compressed ROM image, if supported'
+ @echo ' vmlinux.srec - Create an ELF S-record'
+ @echo ' vmlinux.bin - Create an uncompressed binary image'
+ @echo '* uImage - Alias to bootable U-Boot image'
+ @echo ' uImage.srec - Create an S-record for U-Boot'
+ @echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
+ @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
+ @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
+ @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
+ @echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
+ @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
+endef