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 $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
else
OLDARCH := ppc
-SZ := 32
+endif
+
+# It seems there are times we use this Makefile without
+# including the config file, but this replicates the old behaviour
+ifeq ($(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 [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi)
ifeq ($(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-$(CONFIG_4xx) += -Wa,-m405
cpu-as-$(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
# Default to zImage, override when needed
defaultimage-y := zImage
-defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
defaultimage-$(CONFIG_DEFAULT_UIMAGE) := uImage
KBUILD_IMAGE := $(defaultimage-y)
all: $(KBUILD_IMAGE)
CPPFLAGS_vmlinux.lds := -Upowerpc
-BOOT_TARGETS = zImage zImage.initrd zImage.dts zImage.dts_initrd uImage
+BOOT_TARGETS = zImage zImage.initrd uImage
PHONY += $(BOOT_TARGETS)
@echo ' *_defconfig - Select default config from arch/$(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/$(ARCH)/include/asm
-endif
-
# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
# to stdout and these checks are run even on install targets.
TOUT := .tmp_gas_check
false; \
fi ; \
fi
+ @if test "$(call cc-fullversion)" = "040200" \
+ && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \
+ echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
+ echo 'kernel with modules enabled.' ; \
+ echo -n '*** Please use a different GCC version or ' ; \
+ echo 'disable kernel modules' ; \
+ false ; \
+ fi
@if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
echo 'correctly with old versions of binutils.' ; \