X-Git-Url: https://nv-tegra.nvidia.com/r/gitweb?p=linux-2.6.git;a=blobdiff_plain;f=arch%2Fpowerpc%2FMakefile;h=1a54a3b3a3fa8da5397842d5cbbd2e370dc6d40b;hp=efcad7601a7acfe4760e62960720ef1579e97d69;hb=f95e085b2531c86262b97a081eb0d1cf793606d3;hpb=705672935f8a9e661264e34cd8c409e8cddcc7db diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index efcad7601a7..1a54a3b3a3f 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -18,26 +18,25 @@ HAS_BIARCH := $(call cc-option-yn, -m32) CROSS32_COMPILE ?= CROSS32CC := $(CROSS32_COMPILE)gcc -CROSS32AS := $(CROSS32_COMPILE)as -CROSS32LD := $(CROSS32_COMPILE)ld -CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy +CROSS32AR := $(CROSS32_COMPILE)ar ifeq ($(HAS_BIARCH),y) ifeq ($(CROSS32_COMPILE),) CROSS32CC := $(CC) -m32 -CROSS32AS := $(AS) -a32 -CROSS32LD := $(LD) -m elf32ppc -CROSS32OBJCOPY := $(OBJCOPY) +CROSS32AR := GNUTARGET=elf32-powerpc $(AR) endif endif -export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY +export CROSS32CC CROSS32AR +ifeq ($(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 $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) @@ -47,140 +46,177 @@ endif else OLDARCH := ppc -SZ := 32 +endif + +# It seems there are times we use this Makefile without +# including the config file, but this replicates the old behaviour +ifeq ($(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$(SZ) +override AS += -a$(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 $(AR) endif -LDFLAGS_vmlinux := -Bstatic +LDFLAGS_vmlinux-yy := -Bstatic +LDFLAGS_vmlinux-$(CONFIG_PPC64)$(CONFIG_RELOCATABLE) := -pie +LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-yy) -# The -Iarch/$(ARCH)/include is temporary while we are merging -CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH) -Iarch/$(ARCH)/include -AFLAGS-$(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 += $(LINUXINCLUDE-y) +CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple +KBUILD_CPPFLAGS += -Iarch/$(ARCH) +KBUILD_AFLAGS += -Iarch/$(ARCH) +KBUILD_CFLAGS += -msoft-float -pipe -Iarch/$(ARCH) $(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) +GCC_BROKEN_VEC := $(call cc-ifversion, -lt, 0400, y) ifeq ($(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 += $(call cc-option,-mtune=power4) endif +else +LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o +endif + +ifeq ($(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) + +# No SPE instruction when building kernel +# (We use all available options to help semi-broken compilers) +KBUILD_CFLAGS += $(call cc-option,-mno-spe) +KBUILD_CFLAGS += $(call cc-option,-mspe=no) # Enable unit-at-a-time mode when possible. It shrinks the # kernel considerably. -CFLAGS += $(call cc-option,-funit-at-a-time) +KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) + +# Never use string load/store instructions as they are +# often slow when they are implemented at all +KBUILD_CFLAGS += -mno-string + +ifeq ($(CONFIG_6xx),y) +KBUILD_CFLAGS += -mcpu=powerpc +endif -ifndef CONFIG_FSL_BOOKE -CFLAGS += -mstring +# Work around a gcc code-gen bug with -fno-omit-frame-pointer. +ifeq ($(CONFIG_FUNCTION_TRACER),y) +KBUILD_CFLAGS += -mno-sched-epilog endif -cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec 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 head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o +head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o core-y += arch/powerpc/kernel/ \ arch/powerpc/mm/ \ arch/powerpc/lib/ \ arch/powerpc/sysdev/ \ - arch/powerpc/platforms/ -core-$(CONFIG_PPC32) += arch/ppc/kernel/ -core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ + arch/powerpc/platforms/ \ + arch/powerpc/math-emu/ core-$(CONFIG_XMON) += arch/powerpc/xmon/ -core-$(CONFIG_APUS) += arch/ppc/amiga/ -drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/ -drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/ -drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/ +core-$(CONFIG_KVM) += arch/powerpc/kvm/ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ # Default to zImage, override when needed -defaultimage-y := zImage -defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux -KBUILD_IMAGE := $(defaultimage-y) -all: $(KBUILD_IMAGE) +all: zImage -CPPFLAGS_vmlinux.lds := -Upowerpc +BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.% -BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm uImage - -.PHONY: $(BOOT_TARGETS) +PHONY += $(BOOT_TARGETS) boot := arch/$(ARCH)/boot +ifeq ($(CONFIG_RELOCATABLE),y) +quiet_cmd_relocs_check = CALL $< + cmd_relocs_check = perl $< "$(OBJDUMP)" "$(obj)/vmlinux" + +PHONY += relocs_check +relocs_check: arch/powerpc/relocs_check.pl vmlinux + $(call cmd,relocs_check) + +zImage: relocs_check +endif + $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) +bootwrapper_install %.dtb: + $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) + define archhelp - @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' + @echo '* zImage - Build default images selected by kernel config' + @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' + @echo ' uImage - U-Boot native image format' + @echo ' cuImage.