Merge branch 'fixes-davem' of master.kernel.org:/pub/scm/linux/kernel/git/linville...

[pandora-kernel.git] / arch / powerpc / Makefile

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 6c1e36c..4e16534 100644 (file)
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -35,11 +35,14 @@ endif
 
 export CROSS32CC CROSS32AS CROSS32LD CROSS32AR CROSS32OBJCOPY
 
+ifeq ($(CROSS_COMPILE),)
 KBUILD_DEFCONFIG := $(shell uname -m)_defconfig
+else
+KBUILD_DEFCONFIG := ppc64_defconfig
+endif
 
 ifeq ($(CONFIG_PPC64),y)
 OLDARCH        := ppc64
-SZ     := 64
 
 new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
 
@@ -49,34 +52,35 @@ endif
 
 else
 OLDARCH        := ppc
-SZ     := 32
+endif
+
+# It seems there are times we use this Makefile without
+# including the config file, but this replicates the old behaviour
+ifeq ($(CONFIG_WORD_SIZE),)
+CONFIG_WORD_SIZE := 32
 endif
 
 UTS_MACHINE := $(OLDARCH)
 
 ifeq ($(HAS_BIARCH),y)
-override AS    += -a$(SZ)
-override LD    += -m elf$(SZ)ppc
-override CC    += -m$(SZ)
-override AR    := GNUTARGET=elf$(SZ)-powerpc $(AR)
+override AS    += -a$(CONFIG_WORD_SIZE)
+override LD    += -m elf$(CONFIG_WORD_SIZE)ppc
+override CC    += -m$(CONFIG_WORD_SIZE)
+override AR    := GNUTARGET=elf$(CONFIG_WORD_SIZE)-powerpc $(AR)
 endif
 
 LDFLAGS_vmlinux        := -Bstatic
 
-# The -Iarch/$(ARCH)/include is temporary while we are merging
-CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH) -Iarch/$(ARCH)/include
+CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH)
 AFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH)
 CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=none  -mcall-aixdesc
 CFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH) -ffixed-r2 -mmultiple
-CPPFLAGS       += $(CPPFLAGS-y)
-AFLAGS         += $(AFLAGS-y)
-CFLAGS         += -msoft-float -pipe $(CFLAGS-y)
-CPP            = $(CC) -E $(CFLAGS)
-# Temporary hack until we have migrated to asm-powerpc
-LINUXINCLUDE-$(CONFIG_PPC32)   := -Iarch/$(ARCH)/include
-LINUXINCLUDE    += $(LINUXINCLUDE-y)
+KBUILD_CPPFLAGS        += $(CPPFLAGS-y)
+KBUILD_AFLAGS  += $(AFLAGS-y)
+KBUILD_CFLAGS  += -msoft-float -pipe $(CFLAGS-y)
+CPP            = $(CC) -E $(KBUILD_CFLAGS)
 
-CHECKFLAGS     += -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__
+CHECKFLAGS     += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__
 
 ifeq ($(CONFIG_PPC64),y)
 GCC_BROKEN_VEC := $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi)
@@ -84,31 +88,35 @@ GCC_BROKEN_VEC      := $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi
 ifeq ($(CONFIG_POWER4_ONLY),y)
 ifeq ($(CONFIG_ALTIVEC),y)
 ifeq ($(GCC_BROKEN_VEC),y)
-       CFLAGS += $(call cc-option,-mcpu=970)
+       KBUILD_CFLAGS += $(call cc-option,-mcpu=970)
 else
-       CFLAGS += $(call cc-option,-mcpu=power4)
+       KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
 endif
 else
-       CFLAGS += $(call cc-option,-mcpu=power4)
+       KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
 endif
 else
-       CFLAGS += $(call cc-option,-mtune=power4)
+       KBUILD_CFLAGS += $(call cc-option,-mtune=power4)
+endif
 endif
+
+ifeq ($(CONFIG_TUNE_CELL),y)
+       KBUILD_CFLAGS += $(call cc-option,-mtune=cell)
 endif
 
 # No AltiVec instruction when building kernel
-CFLAGS += $(call cc-option,-mno-altivec)
+KBUILD_CFLAGS += $(call cc-option,-mno-altivec)
 
 # Enable unit-at-a-time mode when possible. It shrinks the
 # kernel considerably.
-CFLAGS += $(call cc-option,-funit-at-a-time)
+KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
 
 # Never use string load/store instructions as they are
 # often slow when they are implemented at all
-CFLAGS         += -mno-string
+KBUILD_CFLAGS          += -mno-string
 
 ifeq ($(CONFIG_6xx),y)
-CFLAGS         += -mcpu=powerpc
+KBUILD_CFLAGS          += -mcpu=powerpc
 endif
 
 cpu-as-$(CONFIG_4xx)           += -Wa,-m405
@@ -117,13 +125,12 @@ cpu-as-$(CONFIG_POWER4)           += -Wa,-maltivec
 cpu-as-$(CONFIG_E500)          += -Wa,-me500
 cpu-as-$(CONFIG_E200)          += -Wa,-me200
 
-AFLAGS += $(cpu-as-y)
-CFLAGS += $(cpu-as-y)
+KBUILD_AFLAGS += $(cpu-as-y)
+KBUILD_CFLAGS += $(cpu-as-y)
 
-head-y                         := arch/powerpc/kernel/head_32.o
-head-$(CONFIG_PPC64)           := arch/powerpc/kernel/head_64.o
+head-y                         := arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o
 head-$(CONFIG_8xx)             := arch/powerpc/kernel/head_8xx.o
-head-$(CONFIG_4xx)             := arch/powerpc/kernel/head_4xx.o
+head-$(CONFIG_40x)             := arch/powerpc/kernel/head_40x.o
 head-$(CONFIG_44x)             := arch/powerpc/kernel/head_44x.o
 head-$(CONFIG_FSL_BOOKE)       := arch/powerpc/kernel/head_fsl_booke.o
 
@@ -166,25 +173,20 @@ define archhelp
   @echo '  *_defconfig     - Select default config from arch/$(ARCH)/configs'
 endef
 
-install:
+install: vdso_install
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
 
+vdso_install:
+ifeq ($(CONFIG_PPC64),y)
+       $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
+endif
+       $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
+
 archclean:
        $(Q)$(MAKE) $(clean)=$(boot)
 
-archmrproper:
-       $(Q)rm -rf arch/$(ARCH)/include
-
 archprepare: checkbin
 
-ifeq ($(CONFIG_PPC32),y)
-# Temporary hack until we have migrated to asm-powerpc
-include/asm: arch/$(ARCH)/include/asm
-arch/$(ARCH)/include/asm: FORCE
-       $(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi
-       $(Q)ln -fsn $(srctree)/include/asm-$(OLDARCH) arch/$(ARCH)/include/asm
-endif
-
 # Use the file '.tmp_gas_check' for binutils tests, as gas won't output
 # to stdout and these checks are run even on install targets.
 TOUT   := .tmp_gas_check