X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fsh%2FMakefile;h=3a74ed62ec89b846e2806daefad57eb7a4fbf8bc;hp=01d85c74481d9a42a066ecc9e8ecd0216621961a;hb=b2d86a3fd9855380598c0c039e712a20086e119f;hpb=ebdd90a8cb2e3963f55499850f02ce6003558b55

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 01d85c74481d..3a74ed62ec89 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
@@ -20,14 +20,6 @@ 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
-endif
-
-isa-y			:= $(isa-y)-up
-
 cflags-$(CONFIG_CPU_SH2)		:= $(call cc-option,-m2,)
 cflags-$(CONFIG_CPU_SH2A)		+= $(call cc-option,-m2a,) \
 					   $(call cc-option,-m2a-nofpu,)
@@ -38,6 +30,22 @@ cflags-$(CONFIG_CPU_SH4A)		+= $(call cc-option,-m4a,) \
 					   $(call cc-option,-m4a-nofpu,)
 cflags-$(CONFIG_CPU_SH5)		:= $(call cc-option,-m5-32media-nofpu,)
 
+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 necessary to avoid references to FP
+# variants in libgcc where integer variants exist, which otherwise result
+# in link errors. 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/;.*$$//')
+endif
+
 cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -mb
 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -ml
 
@@ -65,7 +73,8 @@ 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
 
 # Set some sensible Kbuild defaults
 KBUILD_DEFCONFIG	:= shx3_defconfig
@@ -76,8 +85,10 @@ 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
@@ -123,6 +134,9 @@ 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/