X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fsh%2FMakefile;h=4067b0d9287b5000290784cdf07a9322cf90aa1c;hb=9333d826813a2722d3babfbfd0f65c21b75127b3;hp=c510c225144fc57a9222af156f98fe8384073cb3;hpb=e7d7deca60c01d844a4d8e5644f4aecaf0e3bee4;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index c510c22..4067b0d 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -2,7 +2,7 @@
 # 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
@@ -18,16 +18,12 @@ isa-$(CONFIG_CPU_SH4)			:= sh4
 isa-$(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,) \
 					   $(call cc-option,-m2a-nofpu,)
@@ -36,11 +32,24 @@ cflags-$(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)		+= $(call cc-option,-m4al,)
 cflags-$(CONFIG_CPU_SH5)		:= $(call cc-option,-m5-32media-nofpu,)
 
-cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -mb
-cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -ml
-
+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
@@ -53,7 +62,12 @@ 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
 
 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)	+= \
@@ -63,10 +77,14 @@ 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-$(CONFIG_SUPERH32)	:= zImage
+defaultimage-$(CONFIG_SUPERH32)			:= zImage
+defaultimage-$(CONFIG_SH_SH7785LCR)		:= uImage
+defaultimage-$(CONFIG_SH_RSK)			:= uImage
+defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)	:= vmlinux
+defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)	:= vmlinux
 
 # Set some sensible Kbuild defaults
-KBUILD_DEFCONFIG	:= r7780mp_defconfig
+KBUILD_DEFCONFIG	:= shx3_defconfig
 KBUILD_IMAGE		:= $(defaultimage-y)
 
 #
@@ -74,8 +92,10 @@ KBUILD_IMAGE		:= $(defaultimage-y)
 # error messages during linking.
 #
 ifdef CONFIG_SUPERH32
+UTS_MACHINE	:= sh
 LDFLAGS_vmlinux	+= -e _stext
 else
+UTS_MACHINE	:= sh64
 LDFLAGS_vmlinux	+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
 		   --defsym phys_stext_shmedia=phys_stext+1 \
 		   -e phys_stext_shmedia
@@ -89,113 +109,76 @@ LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4'
 LDFLAGS			+= -EB
 endif
 
-KBUILD_CFLAGS		+= -pipe $(cflags-y)
-KBUILD_AFLAGS		+= $(cflags-y)
-
 head-y			:= arch/sh/kernel/init_task.o
 head-$(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_HP6XX)			+= hp6xx
-machdir-$(CONFIG_SH_DREAMCAST)			+= dreamcast
-machdir-$(CONFIG_SH_MPC1211)			+= mpc1211
-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_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
 
-incdir-prefix	:= $(srctree)/include/asm-sh/
+cflags-y	+= $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
+		   $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
 
-#	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: $(wildcard include/config/cpu/*.h) \
-		     include/config/auto.conf FORCE
-	@echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(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 $@
+KBUILD_CFLAGS		+= -pipe $(cflags-y)
+KBUILD_CPPFLAGS		+= $(cflags-y)
+KBUILD_AFLAGS		+= $(cflags-y)
 
-#	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.
-#
-#	When multiple boards are compiled in at the same time, preference
-#	for the mach link is given to whichever has a directory for its
-#	headers. However, this is only a workaround until platforms that
-#	can live in the same kernel image back away from relying on the
-#	mach link.
-
-include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
-		      include/config/auto.conf FORCE
-	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
-	$(Q)rm -f include/asm-sh/mach
-	$(Q)for i in $(incdir-y); do \
-	if [ -d $(incdir-prefix)$$i ]; then \
-		echo -n '  SYMLINK include/asm-sh/mach -> '; \
-		echo -e "include/asm-sh/$$i"; \
-		ln -fsn $(incdir-prefix)$$i \
-			include/asm-sh/mach; \
-	else \
-		if [ ! -d include/asm-sh/mach ]; then \
-			echo -n '  SYMLINK include/asm-sh/mach -> '; \
-			echo -e 'include/asm-sh'; \
-			ln -fsn $(incdir-prefix) include/asm-sh/mach; \
-		fi; \
-	fi; \
-	done
-	@touch $@
+libs-$(CONFIG_SUPERH32)		:= arch/sh/lib/	$(libs-y)
+libs-$(CONFIG_SUPERH64)		:= arch/sh/lib64/ $(libs-y)
 
 PHONY += maketools FORCE
 
@@ -209,8 +192,7 @@ zImage uImage uImage.srec vmlinux.srec: vmlinux
 
 compressed: zImage
 
-archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \
-	     arch/sh/lib64/syscalltab.h
+archprepare: maketools arch/sh/lib64/syscalltab.h
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
@@ -252,6 +234,4 @@ arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
 	$(call filechk,gen-syscalltab)
 
 CLEAN_FILES += arch/sh/lib64/syscalltab.h \
-	       include/asm-sh/machtypes.h \
-	       include/asm-sh/cpu include/asm-sh/.cpu \
-	       include/asm-sh/mach include/asm-sh/.mach
+	       include/asm-sh/machtypes.h