X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fpowerpc%2FMakefile;h=187a39af3e1cefc25bc69146e317964531e5c6e7;hb=078f194045f892a10f4a5406e7cb06a7f8d42c57;hp=27649cfc2a5dde7307869e875b0c2d1e6c62b899;hpb=9994a33865f4d55c44c9731c01e1f891543278de;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 27649cf..187a39a 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -12,21 +12,15 @@ # Rewritten by Cort Dougan and Paul Mackerras # -# This must match PAGE_OFFSET in include/asm-powerpc/page.h. -KERNELLOAD := $(CONFIG_KERNEL_START) - HAS_BIARCH := $(call cc-option-yn, -m32) -ifeq ($(CONFIG_PPC64),y) -OLDARCH := ppc64 -SZ := 64 - # Set default 32 bits cross compilers for vdso and boot wrapper CROSS32_COMPILE ?= CROSS32CC := $(CROSS32_COMPILE)gcc CROSS32AS := $(CROSS32_COMPILE)as CROSS32LD := $(CROSS32_COMPILE)ld +CROSS32AR := $(CROSS32_COMPILE)ar CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy ifeq ($(HAS_BIARCH),y) @@ -35,10 +29,17 @@ 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 CROSS32AS CROSS32LD CROSS32AR CROSS32OBJCOPY + +KBUILD_DEFCONFIG := $(shell uname -m)_defconfig + +ifeq ($(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) @@ -51,30 +52,34 @@ OLDARCH := ppc SZ := 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) endif -LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic -e $(KERNELLOAD) +LDFLAGS_vmlinux := -Bstatic # The -Iarch/$(ARCH)/include is temporary while we are merging -CPPFLAGS += -Iarch/$(ARCH) -Iarch/$(ARCH)/include -AFLAGS += -Iarch/$(ARCH) -CFLAGS += -Iarch/$(ARCH) -msoft-float -pipe +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) := -ffixed-r2 -mmultiple -CFLAGS += $(CFLAGS-y) +CFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH) -ffixed-r2 -mmultiple +CPPFLAGS += $(CPPFLAGS-y) +AFLAGS += $(AFLAGS-y) +CFLAGS += -msoft-float -pipe $(CFLAGS-y) CPP = $(CC) -E $(CFLAGS) # Temporary hack until we have migrated to asm-powerpc -LINUXINCLUDE += -Iarch/$(ARCH)/include +LINUXINCLUDE-$(CONFIG_PPC32) := -Iarch/$(ARCH)/include +LINUXINCLUDE += $(LINUXINCLUDE-y) CHECKFLAGS += -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__ ifeq ($(CONFIG_PPC64),y) -GCC_VERSION := $(call cc-version) -GCC_BROKEN_VEC := $(shell if [ $(GCC_VERSION) -lt 0400 ] ; then echo "y"; fi) +GCC_BROKEN_VEC := $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi) ifeq ($(CONFIG_POWER4_ONLY),y) ifeq ($(CONFIG_ALTIVEC),y) @@ -91,15 +96,21 @@ else endif endif +# No AltiVec instruction when building kernel +CFLAGS += $(call cc-option,-mno-altivec) + # Enable unit-at-a-time mode when possible. It shrinks the # kernel considerably. CFLAGS += $(call cc-option,-funit-at-a-time) -ifndef CONFIG_FSL_BOOKE -CFLAGS += -mstring +# Never use string load/store instructions as they are +# often slow when they are implemented at all +CFLAGS += -mno-string + +ifeq ($(CONFIG_6xx),y) +CFLAGS += -mcpu=powerpc 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 @@ -109,9 +120,6 @@ cpu-as-$(CONFIG_E200) += -Wa,-me200 AFLAGS += $(cpu-as-y) CFLAGS += $(cpu-as-y) -# Default to the common case. -KBUILD_DEFCONFIG := common_defconfig - head-y := arch/powerpc/kernel/head_32.o head-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o @@ -119,69 +127,63 @@ head-$(CONFIG_4xx) := arch/powerpc/kernel/head_4xx.o head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o -head-$(CONFIG_6xx) += arch/powerpc/kernel/idle_6xx.o head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o core-y += arch/powerpc/kernel/ \ - arch/$(OLDARCH)/kernel/ \ arch/powerpc/mm/ \ arch/powerpc/lib/ \ arch/powerpc/sysdev/ \ arch/powerpc/platforms/ -core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ +core-$(CONFIG_MATH_EMULATION) += 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-$(CONFIG_CPM2) += arch/ppc/8260_io/ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ -defaultimage-$(CONFIG_PPC32) := uImage zImage -defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux +# Default to zImage, override when needed +defaultimage-y := zImage +defaultimage-$(CONFIG_DEFAULT_UIMAGE) := uImage KBUILD_IMAGE := $(defaultimage-y) all: $(KBUILD_IMAGE) CPPFLAGS_vmlinux.lds := -Upowerpc -# All the instructions talk about "make bzImage". -bzImage: zImage - -BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm +BOOT_TARGETS = zImage zImage.initrd uImage -.PHONY: $(BOOT_TARGETS) +PHONY += $(BOOT_TARGETS) -boot := arch/$(OLDARCH)/boot +boot := arch/$(ARCH)/boot $(BOOT_TARGETS): vmlinux - $(Q)$(MAKE) ARCH=$(OLDARCH) $(build)=$(boot) $@ - -uImage: vmlinux - $(Q)$(MAKE) ARCH=$(OLDARCH) $(build)=$(boot)/images $(boot)/images/$@ + $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) define archhelp - @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)' - @echo ' uImage - Create a bootable image for U-Boot / PPCBoot' + @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' @echo ' install - Install kernel using' @echo ' (your) ~/bin/installkernel or' @echo ' (distribution) /sbin/installkernel or' @echo ' install to $$(INSTALL_PATH) and run lilo' - @echo ' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs' + @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' endef +install: + $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install + archclean: $(Q)$(MAKE) $(clean)=$(boot) - # Temporary hack until we have migrated to asm-powerpc + +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/$(ARCH)/include/asm: +arch/$(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. @@ -189,10 +191,9 @@ 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 := $(call cc-version) checkbin: - @if test "$(GCC_VERSION)" = "0304" ; then \ + @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.'; \