diff options
Diffstat (limited to 'arch/ppc/Makefile')
| -rw-r--r-- | arch/ppc/Makefile | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile new file mode 100644 index 00000000000..73cbdda5b59 --- /dev/null +++ b/arch/ppc/Makefile @@ -0,0 +1,138 @@ +# This file is included by the global makefile so that you can add your own +# architecture-specific flags and dependencies. +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# Copyright (C) 1994 by Linus Torvalds +# Changes for PPC by Gary Thomas +# Rewritten by Cort Dougan and Paul Mackerras +# + +# This must match PAGE_OFFSET in include/asm-ppc/page.h. +KERNELLOAD := $(CONFIG_KERNEL_START) + +HAS_BIARCH := $(call cc-option-yn, -m32) +ifeq ($(HAS_BIARCH),y) +AS := $(AS) -a32 +LD := $(LD) -m elf32ppc +CC := $(CC) -m32 +endif + +LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic +CPPFLAGS += -Iarch/$(ARCH) +AFLAGS += -Iarch/$(ARCH) +CFLAGS += -Iarch/$(ARCH) -msoft-float -pipe \ + -ffixed-r2 -mmultiple +CPP = $(CC) -E $(CFLAGS) + +CHECKFLAGS += -D__powerpc__ + +ifndef CONFIG_E500 +CFLAGS += -mstring +endif + +cpu-as-$(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 + +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-$(CONFIG_FSL_BOOKE) := arch/ppc/kernel/head_fsl_booke.o + +head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o +head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o + +core-y += arch/ppc/kernel/ arch/ppc/platforms/ \ + arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/ +core-$(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_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/ + +BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm + +.PHONY: $(BOOT_TARGETS) + +all: uImage zImage + +CPPFLAGS_vmlinux.lds := -Upowerpc + +# All the instructions talk about "make bzImage". +bzImage: zImage + +boot := arch/$(ARCH)/boot + +$(BOOT_TARGETS): vmlinux + $(Q)$(MAKE) $(build)=$(boot) $@ + +uImage: vmlinux + $(Q)$(MAKE) $(build)=$(boot)/images $(boot)/images/$@ + +define archhelp + @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)' + @echo ' uImage - Create a bootable image for U-Boot / PPCBoot' + @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' +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) + +# 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 := $(call cc-version) + +checkbin: + @if test "$(GCC_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 += include/asm-$(ARCH)/offsets.h \ + arch/$(ARCH)/kernel/asm-offsets.s \ + $(TOUT) + |