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- # 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 $(KERNELLOAD) -Bstatic
- # The -Iarch/$(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 -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
- CHECKFLAGS += -D__powerpc__
- ifndef CONFIG_FSL_BOOKE
- CFLAGS += -mstring
- endif
- cpu-as-$(CONFIG_4xx) += -Wa,-m405
- cpu-as-$(CONFIG_6xx) += -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-$(CONFIG_FSL_BOOKE) := arch/ppc/kernel/head_fsl_booke.o
- head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o
- 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/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/powerpc/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
- # 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.
- checkbin:
- @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)
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