X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc%2FMakefile;h=0db66dcf072378a4deacf0ea9d8d9f4cf5884d20;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=e15c6919a27fe88e97be4c84a2ea0f2ea44dd43d;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile index e15c6919a..0db66dcf0 100644 --- a/arch/ppc/Makefile +++ b/arch/ppc/Makefile @@ -13,7 +13,7 @@ # This must match PAGE_OFFSET in include/asm-ppc/page.h. KERNELLOAD := $(CONFIG_KERNEL_START) -HAS_BIARCH := $(shell if $(CC) -m32 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi;) +HAS_BIARCH := $(call cc-option-yn, -m32) ifeq ($(HAS_BIARCH),y) AS := $(AS) -a32 LD := $(LD) -m elf32ppc @@ -21,56 +21,68 @@ CC := $(CC) -m32 endif LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic -CPPFLAGS += -Iarch/$(ARCH) +# The -Iarch/$(ARCH)/include is temporary while we are merging +CPPFLAGS += -Iarch/$(ARCH) -Iarch/$(ARCH)/include AFLAGS += -Iarch/$(ARCH) CFLAGS += -Iarch/$(ARCH) -msoft-float -pipe \ - -ffixed-r2 -Wno-uninitialized -mmultiple + -ffixed-r2 -mmultiple + +# No AltiVec instruction when building kernel +CFLAGS += $(call cc-option, -mno-altivec) + CPP = $(CC) -E $(CFLAGS) +# Temporary hack until we have migrated to asm-powerpc +LINUXINCLUDE += -Iarch/$(ARCH)/include -CHECK := $(CHECK) -D__powerpc__=1 +CHECKFLAGS += -D__powerpc__ -ifndef CONFIG_E500 +ifndef CONFIG_FSL_BOOKE CFLAGS += -mstring endif -cpu-as-$(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 += $(cpu-as-y) +# Default to the common case. +KBUILD_DEFCONFIG := common_defconfig + head-y := arch/ppc/kernel/head.o head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o -head-$(CONFIG_E500) := arch/ppc/kernel/head_e500.o +head-$(CONFIG_FSL_BOOKE) := arch/ppc/kernel/head_fsl_booke.o -head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o -head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o +head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o -core-y += arch/ppc/kernel/ arch/ppc/platforms/ \ - arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/ +core-y += arch/ppc/kernel/ arch/powerpc/kernel/ \ + arch/ppc/platforms/ \ + arch/ppc/mm/ arch/ppc/lib/ \ + arch/ppc/syslib/ arch/powerpc/sysdev/ \ + arch/powerpc/lib/ core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/ +core-$(CONFIG_83xx) += arch/ppc/platforms/83xx/ core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/ -core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ +core-$(CONFIG_MATH_EMULATION) += arch/powerpc/math-emu/ core-$(CONFIG_XMON) += arch/ppc/xmon/ core-$(CONFIG_APUS) += arch/ppc/amiga/ drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/ drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/ drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/ -drivers-$(CONFIG_OPROFILE) += arch/ppc/oprofile/ +drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm -.PHONY: $(BOOT_TARGETS) +PHONY += $(BOOT_TARGETS) -all: zImage +all: uImage zImage -AFLAGS_vmlinux.lds.o := -Upowerpc +CPPFLAGS_vmlinux.lds := -Upowerpc # All the instructions talk about "make bzImage". bzImage: zImage @@ -95,40 +107,39 @@ endef archclean: $(Q)$(MAKE) $(clean)=arch/ppc/boot - -prepare: include/asm-$(ARCH)/offsets.h checkbin - -arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ - include/config/MARKER - -include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s - $(call filechk,gen-asm-offsets) - -ifdef CONFIG_6xx -# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later -NEW_AS := $(shell echo dssall | $(AS) -many -o /dev/null >/dev/null 2>&1 ; echo $$?) -GOODVER := 2.12.1 -else -NEW_AS := 0 -endif + # Temporary hack until we have migrated to asm-powerpc + $(Q)rm -rf arch/$(ARCH)/include + +archprepare: checkbin + +# Temporary hack until we have migrated to asm-powerpc +include/asm: arch/$(ARCH)/include/asm +arch/$(ARCH)/include/asm: + $(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi + $(Q)ln -fsn $(srctree)/include/asm-powerpc arch/$(ARCH)/include/asm + +# 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 +# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec +# instructions. # gcc-3.4 and binutils-2.14 are a fatal combination. -GCC_VERSION := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) -BAD_GCC_AS := $(shell echo mftb 5 | $(AS) -mppc -many -o /dev/null >/dev/null 2>&1 && echo 0 || echo 1) checkbin: -ifeq ($(GCC_VERSION)$(BAD_GCC_AS),03041) - @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' - @echo 'correctly with gcc-3.4 and your version of binutils.' - @echo '*** Please upgrade your binutils or downgrade your gcc' - @false -endif -ifneq ($(NEW_AS),0) - @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' - @echo 'correctly with old versions of binutils.' - @echo '*** Please upgrade your binutils to ${GOODVER} or newer' - @false -endif - @true + @if test "$(call cc-version)" = "0304" ; then \ + if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \ + echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \ + echo 'correctly with gcc-3.4 and your version of binutils.'; \ + echo '*** Please upgrade your binutils or downgrade your gcc'; \ + false; \ + fi ; \ + 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.' ; \ + echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \ + false ; \ + fi + +CLEAN_FILES += $(TOUT) -CLEAN_FILES += include/asm-$(ARCH)/offsets.h \ - arch/$(ARCH)/kernel/asm-offsets.s