#
# arch/arm/Makefile
#
+# 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) 1995-2001 by Russell King
LDFLAGS_vmlinux :=-p --no-undefined -X
-CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
+CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
GZFLAGS :=-9
#CFLAGS +=-pipe
+# Do not use arch/arm/defconfig - it's always outdated.
+# Select a platform tht is kept up-to-date
+KBUILD_DEFCONFIG := versatile_defconfig
+
+# defines filename extension depending memory manement type.
+ifeq ($(CONFIG_MMU),)
+MMUEXT := -nommu
+endif
+
ifeq ($(CONFIG_FRAME_POINTER),y)
CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
endif
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
-CFLAGS += -mbig-endian
+CPPFLAGS += -mbig-endian
AS += -EB
LD += -EB
-AFLAGS += -mbig-endian
else
-CFLAGS += -mlittle-endian
+CPPFLAGS += -mlittle-endian
AS += -EL
LD += -EL
-AFLAGS += -mlittle-endian
endif
comma = ,
# macro, but instead defines a whole series of macros which makes
# testing for a specific architecture or later rather impossible.
arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
-arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
+arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
+arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
+arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
-tune-$(CONFIG_CPU_V6) :=-mtune=strongarm
+tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
+tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
+
+ifeq ($(CONFIG_AEABI),y)
+CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
+else
+CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
+endif
# Need -Uarm for gcc < 3.x
-CFLAGS +=-mapcs-32 $(arch-y) $(tune-y) $(call cc-option,-malignment-traps,-mshort-load-bytes) -msoft-float -Uarm
-AFLAGS +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float
+CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
+AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
CHECKFLAGS += -D__arm__
#Default value
-DATAADDR := .
-
-head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
-textaddr-y := 0xC0008000
+head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
+textofs-y := 0x00008000
machine-$(CONFIG_ARCH_RPC) := rpc
machine-$(CONFIG_ARCH_EBSA110) := ebsa110
incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
machine-$(CONFIG_FOOTBRIDGE) := footbridge
incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
-textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
machine-$(CONFIG_ARCH_CO285) := footbridge
incdir-$(CONFIG_ARCH_CO285) := ebsa285
machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_SA1100) := sa1100
ifeq ($(CONFIG_ARCH_SA1100),y)
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
-textaddr-$(CONFIG_SA1111) := 0xc0208000
+ textofs-$(CONFIG_SA1111) := 0x00208000
endif
machine-$(CONFIG_ARCH_PXA) := pxa
machine-$(CONFIG_ARCH_L7200) := l7200
machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
- machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
-textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
+ textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
machine-$(CONFIG_ARCH_CLPS711X) := clps711x
-textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
machine-$(CONFIG_ARCH_IXP2000) := ixp2000
- machine-$(CONFIG_ARCH_OMAP) := omap
+ machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
+ machine-$(CONFIG_ARCH_OMAP1) := omap1
+ machine-$(CONFIG_ARCH_OMAP2) := omap2
+ incdir-$(CONFIG_ARCH_OMAP) := omap
machine-$(CONFIG_ARCH_S3C2410) := s3c2410
machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
- machine-$(CONFIG_ARCH_VERSATILE_PB) := versatile
+ machine-$(CONFIG_ARCH_VERSATILE) := versatile
machine-$(CONFIG_ARCH_IMX) := imx
machine-$(CONFIG_ARCH_H720X) := h720x
+ machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
+ machine-$(CONFIG_ARCH_REALVIEW) := realview
+ machine-$(CONFIG_ARCH_AT91) := at91rm9200
+ machine-$(CONFIG_ARCH_EP93XX) := ep93xx
+ machine-$(CONFIG_ARCH_PNX4008) := pnx4008
+ machine-$(CONFIG_ARCH_NETX) := netx
ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.
export CFLAGS_3c589_cs.o
endif
-TEXTADDR := $(textaddr-y)
+# The byte offset of the kernel image in RAM from the start of RAM.
+TEXT_OFFSET := $(textofs-y)
+
ifeq ($(incdir-y),)
incdir-y := $(machine-y)
endif
INCDIR := arch-$(incdir-y)
+
+ifneq ($(machine-y),)
+MACHINE := arch/arm/mach-$(machine-y)/
+else
+MACHINE :=
+endif
-export TEXTADDR GZFLAGS
+export TEXT_OFFSET GZFLAGS MMUEXT
# Do we have FASTFPE?
FASTFPE :=arch/arm/fastfpe
# If we have a machine-specific directory, then include it in the build.
core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
-ifneq ($(machine-y),)
-core-y += arch/arm/mach-$(machine-y)/
-endif
+core-y += $(MACHINE)
core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
core-$(CONFIG_VFP) += arch/arm/vfp/
+# If we have a common platform directory, then include it in the build.
+core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
+
drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
-libs-y += arch/arm/lib/
+libs-y := arch/arm/lib/ $(libs-y)
# Default target when executing plain make
+ifeq ($(CONFIG_XIP_KERNEL),y)
+all: xipImage
+else
all: zImage
+endif
boot := arch/arm/boot
# them changed. We use .arch to indicate when they were updated
# last, otherwise make uses the target directory mtime.
-include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
+include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
@echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
ifneq ($(KBUILD_SRC),)
$(Q)mkdir -p include/asm-arm
endif
@touch $@
-prepare: maketools include/asm-arm/.arch
+archprepare: maketools
-.PHONY: maketools FORCE
-maketools: include/asm-arm/constants.h include/linux/version.h FORCE
+PHONY += maketools FORCE
+maketools: include/linux/version.h include/asm-arm/.arch FORCE
$(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
# Convert bzImage to zImage
bzImage: zImage
-zImage Image bootpImage uImage: vmlinux
- $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+zImage Image xipImage bootpImage uImage: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
zinstall install: vmlinux
- $(Q)$(MAKE) $(build)=$(boot) $@
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
-CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
+CLEAN_FILES += include/asm-arm/mach-types.h \
include/asm-arm/arch include/asm-arm/.arch
# We use MRPROPER_FILES and CLEAN_FILES now
$(Q)$(MAKE) $(clean)=$(boot)
# My testing targets (bypasses dependencies)
-bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
-i zi:; $(Q)$(MAKE) $(build)=$(boot) $@
-
-arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
- include/asm-arm/.arch
+bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
+i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
-include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
- $(call filechk,gen-asm-offsets)
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
+ echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
echo ' bootpImage - Combined zImage and initial RAM disk'
echo ' (supply initrd image via make variable INITRD=<path>)'
echo ' install - Install uncompressed kernel'
git://git.onelab.eu / linux-2.6.git / blobdiff