# 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_RSK7203) := uImage
+defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
+defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
# Set some sensible Kbuild defaults
KBUILD_DEFCONFIG := shx3_defconfig
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/, \
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
-LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
-libs-y += $(LIBGCC)
PHONY += maketools FORCE