PageRenderTime 14ms CodeModel.GetById 2ms app.highlight 9ms RepoModel.GetById 1ms app.codeStats 0ms

/arch/ppc/Makefile

https://bitbucket.org/evzijst/gittest
Makefile | 138 lines | 90 code | 29 blank | 19 comment | 2 complexity | 390b7b191244206f72c4188bc8bb0f01 MD5 | raw file
  1# This file is included by the global makefile so that you can add your own
  2# architecture-specific flags and dependencies.
  3#
  4# This file is subject to the terms and conditions of the GNU General Public
  5# License.  See the file "COPYING" in the main directory of this archive
  6# for more details.
  7#
  8# Copyright (C) 1994 by Linus Torvalds
  9# Changes for PPC by Gary Thomas
 10# Rewritten by Cort Dougan and Paul Mackerras
 11#
 12
 13# This must match PAGE_OFFSET in include/asm-ppc/page.h.
 14KERNELLOAD	:= $(CONFIG_KERNEL_START)
 15
 16HAS_BIARCH	:= $(call cc-option-yn, -m32)
 17ifeq ($(HAS_BIARCH),y)
 18AS		:= $(AS) -a32
 19LD		:= $(LD) -m elf32ppc
 20CC		:= $(CC) -m32
 21endif
 22
 23LDFLAGS_vmlinux	:= -Ttext $(KERNELLOAD) -Bstatic
 24CPPFLAGS	+= -Iarch/$(ARCH)
 25AFLAGS		+= -Iarch/$(ARCH)
 26CFLAGS		+= -Iarch/$(ARCH) -msoft-float -pipe \
 27		-ffixed-r2 -mmultiple
 28CPP		= $(CC) -E $(CFLAGS)
 29
 30CHECKFLAGS	+= -D__powerpc__
 31
 32ifndef CONFIG_E500
 33CFLAGS		+= -mstring
 34endif
 35
 36cpu-as-$(CONFIG_PPC64BRIDGE)	+= -Wa,-mppc64bridge
 37cpu-as-$(CONFIG_4xx)		+= -Wa,-m405
 38cpu-as-$(CONFIG_6xx)		+= -Wa,-maltivec
 39cpu-as-$(CONFIG_POWER4)		+= -Wa,-maltivec
 40cpu-as-$(CONFIG_E500)		+= -Wa,-me500
 41
 42AFLAGS += $(cpu-as-y)
 43CFLAGS += $(cpu-as-y)
 44
 45# Default to the common case.
 46KBUILD_DEFCONFIG := common_defconfig
 47
 48head-y				:= arch/ppc/kernel/head.o
 49head-$(CONFIG_8xx)		:= arch/ppc/kernel/head_8xx.o
 50head-$(CONFIG_4xx)		:= arch/ppc/kernel/head_4xx.o
 51head-$(CONFIG_44x)		:= arch/ppc/kernel/head_44x.o
 52head-$(CONFIG_FSL_BOOKE)	:= arch/ppc/kernel/head_fsl_booke.o
 53
 54head-$(CONFIG_6xx)		+= arch/ppc/kernel/idle_6xx.o
 55head-$(CONFIG_POWER4)		+= arch/ppc/kernel/idle_power4.o
 56
 57core-y				+= arch/ppc/kernel/ arch/ppc/platforms/ \
 58				   arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
 59core-$(CONFIG_4xx)		+= arch/ppc/platforms/4xx/
 60core-$(CONFIG_83xx)		+= arch/ppc/platforms/83xx/
 61core-$(CONFIG_85xx)		+= arch/ppc/platforms/85xx/
 62core-$(CONFIG_MATH_EMULATION)	+= arch/ppc/math-emu/
 63core-$(CONFIG_XMON)		+= arch/ppc/xmon/
 64core-$(CONFIG_APUS)		+= arch/ppc/amiga/
 65drivers-$(CONFIG_8xx)		+= arch/ppc/8xx_io/
 66drivers-$(CONFIG_4xx)		+= arch/ppc/4xx_io/
 67drivers-$(CONFIG_CPM2)		+= arch/ppc/8260_io/
 68
 69drivers-$(CONFIG_OPROFILE)	+= arch/ppc/oprofile/
 70
 71BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
 72
 73.PHONY: $(BOOT_TARGETS)
 74
 75all: uImage zImage
 76
 77CPPFLAGS_vmlinux.lds	:= -Upowerpc
 78
 79# All the instructions talk about "make bzImage".
 80bzImage: zImage
 81
 82boot := arch/$(ARCH)/boot
 83
 84$(BOOT_TARGETS): vmlinux
 85	$(Q)$(MAKE) $(build)=$(boot) $@
 86
 87uImage: vmlinux
 88	$(Q)$(MAKE) $(build)=$(boot)/images $(boot)/images/$@
 89
 90define archhelp
 91  @echo '* zImage          - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
 92  @echo '  uImage          - Create a bootable image for U-Boot / PPCBoot'
 93  @echo '  install         - Install kernel using'
 94  @echo '                    (your) ~/bin/installkernel or'
 95  @echo '                    (distribution) /sbin/installkernel or'
 96  @echo '                    install to $$(INSTALL_PATH) and run lilo'
 97  @echo '  *_defconfig     - Select default config from arch/$(ARCH)/ppc/configs'
 98endef
 99
100archclean:
101	$(Q)$(MAKE) $(clean)=arch/ppc/boot
102
103prepare: include/asm-$(ARCH)/offsets.h checkbin
104
105arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
106				   include/config/MARKER
107
108include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
109	$(call filechk,gen-asm-offsets)
110
111# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
112# to stdout and these checks are run even on install targets.
113TOUT	:= .tmp_gas_check
114# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
115# instructions.
116# gcc-3.4 and binutils-2.14 are a fatal combination.
117GCC_VERSION	:= $(call cc-version)
118
119checkbin:
120	@if test "$(GCC_VERSION)" = "0304" ; then \
121		if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
122			echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
123			echo 'correctly with gcc-3.4 and your version of binutils.'; \
124			echo '*** Please upgrade your binutils or downgrade your gcc'; \
125			false; \
126		fi ; \
127	fi
128	@if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
129		echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
130		echo 'correctly with old versions of binutils.' ; \
131		echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
132		false ; \
133	fi
134
135CLEAN_FILES +=	include/asm-$(ARCH)/offsets.h \
136		arch/$(ARCH)/kernel/asm-offsets.s \
137		$(TOUT)
138