#
# arch/arm/Makefile
#
# 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

LINKFLAGS	:=-p -X -T arch/arm/vmlinux.lds
OBJCOPYFLAGS	:=-O binary -R .note -R .comment -S
GZFLAGS		:=-9
CFLAGS		+=-Uarm -fno-common -pipe

ifeq ($(CONFIG_FRAME_POINTER),y)
CFLAGS		:=$(CFLAGS:-fomit-frame-pointer=-mapcs -mno-sched-prolog)
endif

#CFLAGS		:=$(CFLAGS:-O2=-Os)

ifeq ($(CONFIG_DEBUG_INFO),y)
ifeq ($(CONFIG_DEBUG_INFO_YDC),y)
CFLAGS		+=-gdwarf-2 -fno-omit-frame-pointer
else
CFLAGS		+=-g
endif
endif

# Select CPU dependent flags.  Note that order of declaration is important;
# the options further down the list override previous items.
#
# Note!  For APCS-26 YOU MUST HAVE AN APCS-26 LIBGCC.A
#
apcs-y				:=-mapcs-32
apcs-$(CONFIG_CPU_26)		:=-mapcs-26 -mcpu=arm3 -Os

# This selects which instruction set is used.
# Note that GCC is lame - it doesn't numerically define an
# architecture version macro, but instead defines a whole
# series of macros.
arch-y				:=
arch-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3 -march=armv3
arch-$(CONFIG_CPU_32v4)		:=-D__LINUX_ARM_ARCH__=4 -march=armv4
arch-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5 -march=armv5
arch-$(CONFIG_CPU_XSCALE)	:=-D__LINUX_ARM_ARCH__=5 -mcpu=xscale
#arch-$(CONFIG_CPU_XSCALE)	:=-D__LINUX_ARM_ARCH__=4 -march=armv4 -Wa,-mxscale
ifeq ($(CONFIG_CPU_32v5),y)
CROSS_COMPILE 	= armv5l-linux-
else
ifeq ($(CONFIG_CPU_XSCALE),y)
CROSS_COMPILE 	= armv5l-linux-
else
CROSS_COMPILE 	= armv4l-linux-
endif
endif

# This selects how we optimise for the processor.
tune-y				:=
tune-$(CONFIG_CPU_ARM610)	:=-mtune=arm610
tune-$(CONFIG_CPU_ARM710)	:=-mtune=arm710
tune-$(CONFIG_CPU_ARM720T)	:=-mtune=arm7tdmi
tune-$(CONFIG_CPU_ARM920T)	:=-mtune=arm9tdmi
tune-$(CONFIG_CPU_ARM922T)	:=-mtune=arm9tdmi
tune-$(CONFIG_CPU_ARM926T)	:=-mtune=arm9tdmi
tune-$(CONFIG_CPU_SA110)	:=-mtune=strongarm110
tune-$(CONFIG_CPU_SA1100)	:=-mtune=strongarm1100
tune-$(CONFIG_CPU_XSCALE)	:=-mtune=xscale
#tune-$(CONFIG_CPU_XSCALE)	:=-mtune=strongarm

ifeq ($(CONFIG_ARCH_SHARP_SL),y)
CROSS_COMPILE 	= $(PREPROC) arm-cacko-linux-gnu-
#CROSS_COMPILE 	= arm-linux-
#arch-y	:=-D__LINUX_ARM_ARCH__=4 -march=armv4 -Wa,-mxscale
arch-y	:=-D__LINUX_ARM_ARCH__=4 -march=armv4 -Wa,-miwmmxt
tune-y	:=-mtune=strongarm
endif

CFLAGS_BOOT	:=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Uarm
CFLAGS		+=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Uarm
AFLAGS		+=$(apcs-y) $(arch-y) -mno-fpu -msoft-float

ifeq ($(CONFIG_CPU_26),y)
PROCESSOR	:= armo
  ifeq ($(CONFIG_ROM_KERNEL),y)
    DATAADDR	 = 0x02080000
    TEXTADDR	 = 0x03800000
    LDSCRIPT	 = arch/arm/vmlinux-armo-rom.lds.in
  else
    TEXTADDR	 = 0x02080000
    LDSCRIPT	 = arch/arm/vmlinux-armo.lds.in
  endif
endif

ifeq ($(CONFIG_CPU_32),y)
PROCESSOR	 = armv
TEXTADDR	 = 0xC0008000
LDSCRIPT	 = arch/arm/vmlinux-armv.lds.in
endif

ifeq ($(CONFIG_ARCH_ARCA5K),y)
MACHINE		 = arc
endif

ifeq ($(CONFIG_ARCH_RPC),y)
MACHINE		 = rpc
endif

ifeq ($(CONFIG_ARCH_EBSA110),y)
MACHINE		 = ebsa110
CFLAGS_3c589_cs	:=-DISA_SIXTEEN_BIT_PERIPHERAL
export CFLAGS_3c589_cs
endif

ifeq ($(CONFIG_ARCH_CLPS7500),y)
MACHINE		 = clps7500
INCDIR		 = cl7500
endif

ifeq ($(CONFIG_ARCH_RISCSTATION),y)
MACHINE		 = riscstation
endif

ifeq ($(CONFIG_FOOTBRIDGE),y)
MACHINE		 = footbridge
INCDIR		 = ebsa285
endif

ifeq ($(CONFIG_ARCH_CO285),y)
TEXTADDR	 = 0x60008000
MACHINE		 = footbridge
INCDIR		 = ebsa285
endif

ifeq ($(CONFIG_ARCH_FTVPCI),y)
MACHINE		 = ftvpci
INCDIR		 = nexuspci
endif

ifeq ($(CONFIG_ARCH_TBOX),y)
MACHINE		 = tbox
endif

ifeq ($(CONFIG_ARCH_SHARK),y)
MACHINE		 = shark
endif

ifeq ($(CONFIG_ARCH_SA1100),y)
ifeq ($(CONFIG_SA1111),y)
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
TEXTADDR	 = 0xc0208000
endif
MACHINE		 = sa1100
endif

ifeq ($(CONFIG_ARCH_PXA),y)
MACHINE		 = pxa
endif

ifeq ($(CONFIG_ARCH_L7200),y)
MACHINE		 = l7200
endif

ifeq ($(CONFIG_ARCH_S1C38000),y)
MACHINE		 = s1c38000
TEXTADDR	 = 0xc0018000
endif

ifeq ($(CONFIG_ARCH_DBMX1),y)
MACHINE		 = dbmx1
TEXTADDR	 = 0xc0008000
endif

ifeq ($(CONFIG_ARCH_DBMX2),y)
MACHINE		 = dbmx2
TEXTADDR	 = 0xc0008000
endif

ifeq ($(CONFIG_ARCH_INTEGRATOR),y)
MACHINE		 = integrator
endif


ifeq ($(CONFIG_ARCH_AT91RM9200DK),y)
TEXTADDR	 = 0xc0008000
MACHINE		 = at91rm9200dk
endif

ifeq ($(CONFIG_ARCH_KATANA),y)
MACHINE		 = katana
endif

ifeq ($(CONFIG_ARCH_MX1ADS),y)
MACHINE		 = mx1ads
endif

ifeq ($(CONFIG_ARCH_CAMELOT),y)
MACHINE          = epxa
endif

ifeq ($(CONFIG_ARCH_CLPS711X),y)
TEXTADDR	 = 0xc0028000
MACHINE		 = clps711x
endif

ifeq ($(CONFIG_ARCH_FORTUNET),y)
TEXTADDR	 = 0xc0208000
endif

ifeq ($(CONFIG_ARCH_ANAKIN),y)
MACHINE		 = anakin
endif

ifeq ($(CONFIG_ARCH_OMAHA),y)
MACHINE                = omaha
endif

ifeq ($(CONFIG_XIP_KERNEL),y) 
  DATAADDR   := $(TEXTADDR)
  # Replace phys addr with virt addr while keeping offset from base.
  # Virt base addr also defined in include/asm-arm/arch-*/hardware.h
  ifeq ($(CONFIG_ARCH_LUBBOCK),y)
    TEXTADDR    = $(shell echo 0x`echo $(CONFIG_XIP_PHYS_ADDR)|sed -e's/^0x//'` |\
			awk --non-decimal-data '/[:xdigit:]/ \
			  {printf("0x%x\n",and($$0,0x001fffff)+0xe8000000)}' )
  endif
  ifeq ($(CONFIG_ARCH_KATANA),y)
    TEXTADDR    = $(shell echo 0x`echo $(CONFIG_XIP_PHYS_ADDR)|sed -e's/^0x//'` |\
			awk --non-decimal-data '/[:xdigit:]/ \
			  {printf("0x%x\n",and($$0,0x001fffff)+0xd0000000)}' )
  endif
  ifeq ($(CONFIG_ARCH_DBMX1),y)
    TEXTADDR    = $(shell echo 0x`echo $(CONFIG_XIP_PHYS_ADDR)|sed -e's/^0x//'` |\
			awk --non-decimal-data '/[:xdigit:]/ \
			  {printf("0x%x\n",and($$0,0x03ffffff)+0xf4000000)}' )
  endif
  ifeq ($(CONFIG_ARCH_DBMX2),y)
    TEXTADDR    = $(shell echo 0x`echo $(CONFIG_XIP_PHYS_ADDR)|sed -e's/^0x//'` |\
			awk --non-decimal-data '/[:xdigit:]/ \
			  {printf("0x%x\n",and($$0,0x07ffffff)+0xe1000000)}' )
  endif
  LDSCRIPT    = arch/arm/vmlinux-armv-xip.lds.in
  export DATAADDR
endif

export	MACHINE PROCESSOR TEXTADDR GZFLAGS CFLAGS_BOOT OBJCOPYFLAGS

# Only set INCDIR if its not already defined above
# Grr, ?= doesn't work as all the other assignment operators do.  Make bug?
ifeq ($(origin INCDIR), undefined)
INCDIR		:=$(MACHINE)
endif

ifeq ($(origin DATAADDR), undefined)
DATAADDR	:= .
endif

# If we have a machine-specific directory, then include it in the build.
MACHDIR		:= arch/arm/mach-$(MACHINE)
ifeq ($(MACHDIR),$(wildcard $(MACHDIR)))
SUBDIRS		+= $(MACHDIR)
CORE_FILES	:= $(MACHDIR)/$(MACHINE).o $(CORE_FILES)
endif

HEAD		:=arch/arm/kernel/head-$(PROCESSOR).o \
		  arch/arm/kernel/init_task.o
SUBDIRS		+=arch/arm/kernel arch/arm/mm arch/arm/lib arch/arm/nwfpe
CORE_FILES	:=arch/arm/kernel/kernel.o arch/arm/mm/mm.o $(CORE_FILES)
LIBS		:=arch/arm/lib/lib.a $(LIBS)

ifeq ($(CONFIG_FPE_NWFPE),y)
LIBS		:=arch/arm/nwfpe/math-emu.o $(LIBS)
endif

# Only include fastfpe if it is part of the kernel tree.
FASTFPE		:=arch/arm/fastfpe
ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
SUBDIRS		+=$(FASTFPE)
ifeq ($(CONFIG_FPE_FASTFPE),y)
LIBS		:=arch/arm/fastfpe/fast-math-emu.o $(LIBS)
endif
endif

ifeq ($(findstring y,$(CONFIG_ARCH_CLPS7500) $(CONFIG_ARCH_L7200)),y)
SUBDIRS		+=drivers/acorn/char
DRIVERS		+=drivers/acorn/char/acorn-char.o
endif

ifeq ($(CONFIG_ARCH_RISCSTATION),y)
SUBDIRS		+=drivers/acorn/char
DRIVERS		+=drivers/acorn/char/acorn-char.o
endif

MAKEBOOT	 =$(MAKE) -C arch/$(ARCH)/boot
MAKETOOLS	 =$(MAKE) -C arch/$(ARCH)/tools

# The following is a hack to get 'constants.h' up
# to date before starting compilation

$(patsubst %,_dir_%, $(SUBDIRS)): maketools
$(patsubst %,_modsubdir_%,$(MOD_DIRS)): maketools

symlinks: include/asm-arm/.arch include/asm-arm/.proc

#	Update machine arch and proc symlinks if something which affects
#	them changed.  We use .arch and .proc to indicate when they were
#	updated last, otherwise make uses the target directory mtime.

include/asm-arm/.arch:
ifneq ("$(INCDIR)","")
	@echo '  Making asm-arm/arch -> asm-arm/arch-$(INCDIR) symlink'
	@rm -f include/asm-arm/arch
	@ln -sf arch-$(INCDIR) include/asm-arm/arch
else
	@echo '  No architecture defined.  You may want to use a pre-packaged config.  make a5k_config, ebsa110_config, footbridge_config, etc.'
endif

include/asm-arm/.proc:
ifneq ("$(INCDIR)","")
	@echo '  Making asm-arm/proc -> asm-arm/proc-$(PROCESSOR) symlink'
	@rm -f include/asm-arm/proc
	@ln -sf proc-$(PROCESSOR) include/asm-arm/proc
else
	@echo '  No architecture defined.  You may want to use a pre-packaged config.  make a5k_config, ebsa110_config, footbridge_config, etc.'
endif

.PHONY: maketools
maketools: include/asm-arm/.arch include/asm-arm/.proc \
        include/asm-arm/constants.h include/linux/version.h checkbin
	@$(MAKETOOLS)

ifeq ($(CONFIG_S1C38000_TTE301),y)
vmlinux.srec: vmlinux.bin
	$(OBJCOPY) -I binary -O srec --adjust-vma=0x10018000 vmlinux.bin vmlinux.srec
endif

ifeq ($(CONFIG_DBMX1_TPM102),y)
vmlinux.srec: vmlinux.bin
	$(OBJCOPY) -I binary -O srec --adjust-vma=0x08008000 vmlinux.bin vmlinux.srec
endif

vmlinux.bin: vmlinux
	$(OBJCOPY) -S -O binary vmlinux vmlinux.bin

vmlinux: arch/arm/vmlinux.lds

arch/arm/vmlinux.lds: arch/arm/Makefile $(LDSCRIPT) \
	$(wildcard include/config/cpu/32.h) \
	$(wildcard include/config/cpu/26.h) \
	$(wildcard include/config/arch/*.h)
	@echo '  Generating $@'
	@sed 's/TEXTADDR/$(TEXTADDR)/;s/DATAADDR/$(DATAADDR)/' $(LDSCRIPT) >$@

arch/arm/kernel arch/arm/mm arch/arm/lib: dummy
	$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@)

bzImage zImage zinstall Image xipImage bootpImage install: vmlinux
	@$(MAKEBOOT) $@

CLEAN_FILES	+= \
	arch/arm/vmlinux.lds vmlinux.bin vmlinux.srec

MRPROPER_FILES	+= \
	arch/arm/tools/constants.h* \
	include/asm-arm/arch include/asm-arm/.arch \
	include/asm-arm/proc include/asm-arm/.proc \
	include/asm-arm/constants.h* \
	include/asm-arm/mach-types.h

xImage: vmlinux
	$(CROSS_COMPILE)objcopy -S -O binary -R .data vmlinux vmlinux-text.bin
	$(CROSS_COMPILE)objcopy -S -O binary -R .init -R .text -R __ex_table -R __ksymtab vmlinux vmlinux-data.bin
	cat vmlinux-text.bin vmlinux-data.bin > xImage.bin
	rm -f vmlinux-text.bin
	rm -f vmlinux-data.bin

# We use MRPROPER_FILES and CLEAN_FILES now
archmrproper: FORCE
	@/bin/true

archclean: FORCE
	@$(MAKEBOOT) clean

archdep: scripts/mkdep symlinks
	@$(MAKETOOLS) dep
	@$(MAKEBOOT) dep

# Ensure this is ld "2.9.5" or later
NEW_LINKER	:= $(shell $(LD) --gc-sections --version >/dev/null 2>&1; echo $$?)

ifneq ($(NEW_LINKER),0)
checkbin: FORCE
	@echo '*** ${VERSION}.${PATCHLEVEL} kernels no longer build correctly with old versions of binutils.'
	@echo '*** Please upgrade your binutils to 2.9.5.'
	@false
else
checkbin: FORCE
	@true
endif

.PHONY: FORCE

# My testing targets (that short circuit a few dependencies)
zImg:;	@$(MAKEBOOT) zImage
Img:;	@$(MAKEBOOT) Image
i:;	@$(MAKEBOOT) install
zi:;	@$(MAKEBOOT) zinstall
bp:;	@$(MAKEBOOT) bootpImage

#
# Configuration targets.  Use these to select a
# configuration for your architecture
%_config:
	@( \
	CFG=$(@:_config=); \
	if [ -f arch/arm/def-configs/$$CFG ]; then \
	  [ -f .config ] && mv -f .config .config.old; \
	  cp arch/arm/def-configs/$$CFG .config; \
	  echo "*** Default configuration for $$CFG installed"; \
	  echo "*** Next, you may run 'make oldconfig'"; \
	else \
	  echo "$$CFG does not exist"; \
	fi; \
	)