# arch/sh/Makefile
#
# Copyright (C) 1999 Kaz Kojima
-# Copyright (C) 2002, 2003, 2004 Paul Mundt
+# 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
isa-$(CONFIG_CPU_SH4A) := sh4a
isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
isa-$(CONFIG_CPU_SH5) := shmedia
-isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
-ifndef CONFIG_SH_DSP
-ifndef CONFIG_SH_FPU
-isa-y := $(isa-y)-nofpu
-endif
+ifeq ($(CONFIG_SUPERH32),y)
+isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
+isa-y := $(isa-y)-up
endif
-isa-y := $(isa-y)-up
-
cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
$(call cc-option,-m2a-nofpu,)
$(call cc-option,-mno-implicit-fp,-m4-nofpu)
cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
$(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
-cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
-cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
-
-cflags-y += $(call cc-option,-mno-fdpic)
-
+ifeq ($(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
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 += $(isaflags-y) -ffreestanding
cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
-R .stab -R .stabstr -S
# Give the various platforms the opportunity to set default image types
-defaultimage-$(CONFIG_SUPERH32) := zImage
+defaultimage-$(CONFIG_SUPERH32) := zImage
+defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
+defaultimage-$(CONFIG_SH_RSK) := uImage
+defaultimage-$(CONFIG_SH_URQUELL) := uImage
+defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
+defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
# Set some sensible Kbuild defaults
KBUILD_DEFCONFIG := shx3_defconfig
# error messages during linking.
#
ifdef CONFIG_SUPERH32
+UTS_MACHINE := sh
LDFLAGS_vmlinux += -e _stext
else
+UTS_MACHINE := sh64
LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
--defsym phys_stext_shmedia=phys_stext+1 \
-e phys_stext_shmedia
LDFLAGS += -EB
endif
-
head-y := arch/sh/kernel/init_task.o
head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
-LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-
-core-y += arch/sh/kernel/ arch/sh/mm/
+core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
-# Boards
-machdir-$(CONFIG_SH_SOLUTION_ENGINE) += se/770x
-machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE) += se/7722
-machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) += se/7751
-machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) += se/7780
-machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) += se/7343
-machdir-$(CONFIG_SH_7721_SOLUTION_ENGINE) += se/7721
-machdir-$(CONFIG_SH_HP6XX) += hp6xx
-machdir-$(CONFIG_SH_DREAMCAST) += dreamcast
-machdir-$(CONFIG_SH_SH03) += sh03
-machdir-$(CONFIG_SH_SECUREEDGE5410) += snapgear
-machdir-$(CONFIG_SH_RTS7751R2D) += renesas/rts7751r2d
-machdir-$(CONFIG_SH_7751_SYSTEMH) += renesas/systemh
-machdir-$(CONFIG_SH_EDOSK7705) += renesas/edosk7705
-machdir-$(CONFIG_SH_HIGHLANDER) += renesas/r7780rp
-machdir-$(CONFIG_SH_MIGOR) += renesas/migor
-machdir-$(CONFIG_SH_SDK7780) += renesas/sdk7780
-machdir-$(CONFIG_SH_X3PROTO) += renesas/x3proto
-machdir-$(CONFIG_SH_RSK7203) += renesas/rsk7203
-machdir-$(CONFIG_SH_AP325RXA) += renesas/ap325rxa
-machdir-$(CONFIG_SH_SH7763RDP) += renesas/sh7763rdp
-machdir-$(CONFIG_SH_SH7785LCR) += renesas/sh7785lcr
-machdir-$(CONFIG_SH_SH4202_MICRODEV) += superh/microdev
-machdir-$(CONFIG_SH_LANDISK) += landisk
-machdir-$(CONFIG_SH_TITAN) += titan
-machdir-$(CONFIG_SH_SHMIN) += shmin
-machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) += se/7206
-machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) += se/7619
-machdir-$(CONFIG_SH_LBOX_RE2) += lboxre2
-machdir-$(CONFIG_SH_MAGIC_PANEL_R2) += magicpanelr2
-machdir-$(CONFIG_SH_CAYMAN) += cayman
-
-incdir-y := $(notdir $(machdir-y))
+# Mach groups
+machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
+machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
+machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
+machdir-$(CONFIG_SH_SH03) += mach-sh03
+machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear
+machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
+machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
+machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
+machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
+machdir-$(CONFIG_SH_MIGOR) += mach-migor
+machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
+machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
+machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
+machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
+machdir-$(CONFIG_SH_LANDISK) += mach-landisk
+machdir-$(CONFIG_SH_TITAN) += mach-titan
+machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
+machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
+machdir-$(CONFIG_SH_RSK) += mach-rsk
ifneq ($(machdir-y),)
core-y += $(addprefix arch/sh/boards/, \
$(filter-out ., $(patsubst %,%/,$(machdir-y))))
endif
+# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
+machdir-y += mach-common
+
# Companion chips
core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
-cpuincdir-$(CONFIG_CPU_SH2) := cpu-sh2
-cpuincdir-$(CONFIG_CPU_SH2A) := cpu-sh2a
-cpuincdir-$(CONFIG_CPU_SH3) := cpu-sh3
-cpuincdir-$(CONFIG_CPU_SH4) := cpu-sh4
-cpuincdir-$(CONFIG_CPU_SH5) := cpu-sh5
-
-libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
-libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
-libs-y += $(LIBGCC)
+#
+# CPU header paths
+#
+# These are ordered by optimization level. A CPU family that is a subset
+# of another (ie, SH-2A / SH-2), is picked up first, with increasing
+# levels of genericness if nothing more suitable is situated in the
+# hierarchy.
+#
+# As an example, in order of preference, SH-2A > SH-2 > common definitions.
+#
+cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
+cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
+cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
+cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
+cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
+cpuincdir-y += cpu-common # Must be last
drivers-y += arch/sh/drivers/
drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
boot := arch/sh/boot
-cflags-y += -Iarch/sh/include/$(cpuincdir-y)
-cflags-y += $(foreach d, $(incdir-y), -Iarch/sh/include/mach-$(d))
+cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
+ $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
KBUILD_CFLAGS += -pipe $(cflags-y)
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
+libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
+libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
+
PHONY += maketools FORCE
maketools: include/linux/version.h FORCE
- $(Q)$(MAKE) $(build)=arch/sh/tools arch/sh/include/asm/machtypes.h
+ $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
all: $(KBUILD_IMAGE)
$(call filechk,gen-syscalltab)
CLEAN_FILES += arch/sh/lib64/syscalltab.h \
- arch/sh/include/asm/machtypes.h
+ include/asm-sh/machtypes.h
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