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path: root/polux/linux-2.6.10/arch/arm/Makefile
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#
# 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
# Copyright (C) 2004 by Hyok S. Choi (for uClinux/ARM 2.6)

LDFLAGS_vmlinux	:=-p --no-undefined -X
CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
OBJCOPYFLAGS	:=-O binary -R .note -R .comment -S
GZFLAGS		:=-9
#CFLAGS		+=-pipe
ifeq ($(CONFIG_MMU),)
CFLAGS		+=-fno-builtin -D__linux__
CFLAGS_MODULE += -mlong-calls
endif

# Do not use arch/arm/defconfig - it's always outdated.
# Select a platform tht is kept up-to-date
KBUILD_DEFCONFIG ?= spc200e_defconfig

# defines filename extension for mmu type, if any.
ifeq ($(CONFIG_MMU),)
MMUEXT		:= -nommu
endif

ifeq ($(CONFIG_FRAME_POINTER),y)
CFLAGS		+=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
else
CFLAGS		+=-fomit-frame-pointer -mapcs
endif

ifeq ($(CONFIG_DEBUG_INFO),y)
CFLAGS		+=-ggdb
endif

ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
CFLAGS		+= -mbig-endian
AS		+= -EB
LD		+= -EB
AFLAGS		+= -mbig-endian
else
CFLAGS		+= -mlittle-endian
AS		+= -EL
LD		+= -EL
AFLAGS		+= -mlittle-endian
endif

comma = ,

# This selects which instruction set is used.
# Note that GCC does not numerically define an architecture version
# 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_32v4)		:=-D__LINUX_ARM_ARCH__=4 -march=armv4
arch-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3 -march=armv3

# This selects how we optimise for the processor.
tune-$(CONFIG_CPU_ARM7V3)	:=-mtune=arm610
tune-$(CONFIG_CPU_ARM610)	:=-mtune=arm610
tune-$(CONFIG_CPU_ARM710)	:=-mtune=arm710
tune-$(CONFIG_CPU_ARM7TDMI)	:=-mtune=arm7tdmi
tune-$(CONFIG_CPU_S3C4510B)	:=-mtune=arm7tdmi
tune-$(CONFIG_CPU_ARM720T)	:=-mtune=arm7tdmi
tune-$(CONFIG_CPU_ARM740T)	:=-mtune=arm7tdmi
tune-$(CONFIG_CPU_ARM920T)	:=-mtune=arm9tdmi
tune-$(CONFIG_CPU_ARM922T)	:=-mtune=arm9tdmi
tune-$(CONFIG_CPU_ARM925T)	:=-mtune=arm9tdmi
#tune-$(CONFIG_CPU_ARM926T)	:=-mtune=arm9tdmi
tune-$(CONFIG_CPU_ARM926T)	:=-mtune=arm926ejs
tune-$(CONFIG_CPU_ARM940T)	:=-mtune=arm9tdmi
tune-$(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

# Need -Uarm for gcc < 3.x
CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
CFLAGS		+=$(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
#head-y		:= arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
head-y		:= arch/arm/kernel/head.o arch/arm/kernel/init_task.o
textaddr-y	:= 0xC0008000

 machine-$(CONFIG_ARCH_RPC)	   := rpc
 machine-$(CONFIG_ARCH_EBSA110)	   := ebsa110
 machine-$(CONFIG_ARCH_CLPS7500)   := clps7500
  incdir-$(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-$(CONFIG_SA1111)	   := 0xc0208000
endif
 machine-$(CONFIG_ARCH_PXA)	   := pxa
 machine-$(CONFIG_ARCH_L7200)	   := l7200
 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
 machine-$(CONFIG_ARCH_CAMELOT)	   := epxa10db
textaddr-$(CONFIG_ARCH_CLPS711X)   := 0xc0028000
 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-$(CONFIG_ARCH_S3C2410)	   := s3c2410
 machine-$(CONFIG_ARCH_LH7A40X)	   := lh7a40x
 machine-$(CONFIG_ARCH_VERSATILE)  := versatile
 machine-$(CONFIG_ARCH_IMX)	   := imx
 machine-$(CONFIG_ARCH_H720X)	   := h720x
 machine-$(CONFIG_ARCH_ATMEL)	   := atmel
textaddr-$(CONFIG_ARCH_ATMEL)	   := 0x01000000
 machine-$(CONFIG_ARCH_ESPD_4510B) := espd_4510b
textaddr-$(CONFIG_ARCH_ESPD_4510B) := 0x00008000
 machine-$(CONFIG_ARCH_S3C3410)	   := s3c3410
textaddr-$(CONFIG_ARCH_S3C3410)	   := 0x01020000
 machine-$(CONFIG_ARCH_S3C44B0)	   := s3c44b0x
textaddr-$(CONFIG_ARCH_S3C44B0)	   := 0x0c008000
 machine-$(CONFIG_ARCH_S5C7375)	   := s5c7375
textaddr-$(CONFIG_ARCH_S5C7375)	   := 0x00008000
 machine-$(CONFIG_ARCH_S3C24A0)	   := s3c24a0
textaddr-$(CONFIG_ARCH_S3C24A0)	   := 0x10008000
 machine-$(CONFIG_ARCH_SPC200E)     := spc2XX
 incdir-$(CONFIG_ARCH_SPC200E)      := spc2xx
 machine-$(CONFIG_ARCH_SPC200C)    := spc2XXc
 machine-$(CONFIG_ARCH_MSE500)     := mse500

ifeq ($(CONFIG_MMU),y)
textaddr-$(CONFIG_ARCH_SPC200E)     := 0xC0008000
textaddr-$(CONFIG_ARCH_SPC200C)    := 0xC0008000
textaddr-$(CONFIG_ARCH_MSE500)     := 0xC0008000
else
textaddr-$(CONFIG_ARCH_SPC200E)     := 0x70008000
textaddr-$(CONFIG_ARCH_SPC200C)    := 0xB0008000
textaddr-$(CONFIG_ARCH_MSE500)     := 0x40008000
endif

ifeq ($(CONFIG_ARCH_SPC200E),y)
CFLAGS +=  -I$(TOPDIR)/../include -DSP_CRISTINA
CFLAGS_BOOT +=  -I$(TOPDIR)/../include -DSP_CRISTINA
AFLAGS +=  -I$(TOPDIR)/../include -DSP_CRISTINA
ifeq ($(CONFIG_CRISTINA2),y)
CFLAGS +=  -DCLK60 -DCRISTINA2
CFLAGS_BOOT +=  -DCLK60 -DCRISTINA2
AFLAGS +=  -DCLK60 -DCRISTINA2
endif
ifeq ($(CONFIG_TINA_C),y)
CFLAGS +=  -DTINA_C
CFLAGS_BOOT +=  -DTINA_C
AFLAGS +=  -DTINA_C
endif
endif

ifeq ($(CONFIG_ARCH_SPC200C),y)
CFLAGS +=  -I$(TOPDIR)/../include -DSP_SPC2XXC -DSP_LISA
CFLAGS_BOOT +=  -I$(TOPDIR)/../include -DSP_SPC2XXC -DSP_LISA
AFLAGS +=  -I$(TOPDIR)/../include -DSP_SPC2XXC -DSP_LISA
ifeq ($(CONFIG_FCM3),y)
CFLAGS +=  -DSP_FCM3
CFLAGS_BOOT +=  -DSP_FCM3
AFLAGS +=  -DSP_FCM3
endif
ifeq ($(CONFIG_MONA),y)
CFLAGS +=  -DMONA
CFLAGS_BOOT +=  -DMONA
AFLAGS +=  -DMONA
endif
endif

ifeq ($(CONFIG_ARCH_MSE500),y)
CFLAGS +=  -I$(TOPDIR)/../include -DCONFIG_ARCH_MSE500
CFLAGS_BOOT +=  -I$(TOPDIR)/../include
AFLAGS +=  -I$(TOPDIR)/../include
endif

ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.
# PCMCIA cards stop working.
CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
export CFLAGS_3c589_cs.o
endif

TEXTADDR := $(textaddr-y)
ifeq ($(CONFIG_XIP_KERNEL),y)
  DATAADDR := $(TEXTADDR)
  xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000
  xipaddr-y ?= 0xbf000000
  # Replace phys addr with virt addr while keeping offset from base.
  TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \
                      awk --non-decimal-data '/[:xdigit:]/ \
                          { printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' )
endif

ifeq ($(incdir-y),)
incdir-y := $(machine-y)
endif
INCDIR   := arch-$(incdir-y)
ifneq ($(machine-y),)
MACHINE  := arch/arm/mach-$(machine-y)/
else
MACHINE  :=
endif

# Check if an overriding head.S exist
ifeq ($(MACHINE)head.S, $(wildcard $(MACHINE)head.S))
head-y		:= $(MACHINE)head.o  arch/arm/kernel/init_task.o
HEAD		:= ../mach-$(machine-y)/head.o
else
HEAD		:= head.o
endif

export	MACHINE HEAD MMUEXT TEXTADDR DATAADDR GZFLAGS

# Do we have FASTFPE?
FASTFPE		:=arch/arm/fastfpe
ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
FASTFPE_OBJ	:=$(FASTFPE)/
endif

# If we have a machine-specific directory, then include it in the build.
core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
core-y				+= $(MACHINE)
core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
core-$(CONFIG_VFP)		+= arch/arm/vfp/

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/

# Default target when executing plain make
ifeq ($(CONFIG_MMU),y)
  ifeq ($(CONFIG_XIP_KERNEL),y)
  all: xipImage
  else
  all: zImage
  endif
else
  all: uCImage
endif

boot := arch/arm/boot

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

include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
	@echo '  SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
ifneq ($(KBUILD_SRC),)
	$(Q)mkdir -p include/asm-arm
	$(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
else
	$(Q)ln -fsn $(INCDIR) include/asm-arm/arch
endif
	@touch $@

prepare: maketools include/asm-arm/.arch

.PHONY: maketools FORCE
maketools: include/asm-arm/constants.h include/linux/version.h FORCE
	$(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h

# Convert bzImage to zImage
bzImage: zImage

zImage Image xipImage bootpImage uImage: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

uCImage: vmlinux linux.bin

linux.bin: vmlinux FORCE
	@$(OBJCOPY) $(OBJCOPYFLAGS) vmlinux $@
	@echo '  Kernel: $@ is ready'

zinstall install: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $@

CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
	       include/asm-arm/arch include/asm-arm/.arch \
	       linux.bin linux arch/arm/kernel/entry-macro.S

# We use MRPROPER_FILES and CLEAN_FILES now
archclean:
	$(Q)$(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

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  '  uCImage	 - Uncompressed kernel and the stripped binary (linux.bin)'
  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'
  echo  '  zinstall      - Install compressed kernel'
  echo  '                  Install using (your) ~/bin/installkernel or'
  echo  '                  (distribution) /sbin/installkernel or'
  echo  '                  install to $$(INSTALL_PATH) and run lilo'
endef