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/arch/arm/Makefile

https://bitbucket.org/evzijst/gittest
Makefile | 216 lines | 151 code | 34 blank | 31 comment | 1 complexity | 55c9fabf9522ece55de992fdd5cb66af MD5 | raw file
  1#
  2# arch/arm/Makefile
  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) 1995-2001 by Russell King
  9
 10LDFLAGS_vmlinux	:=-p --no-undefined -X
 11CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
 12OBJCOPYFLAGS	:=-O binary -R .note -R .comment -S
 13GZFLAGS		:=-9
 14#CFLAGS		+=-pipe
 15
 16# Do not use arch/arm/defconfig - it's always outdated.
 17# Select a platform tht is kept up-to-date
 18KBUILD_DEFCONFIG := versatile_defconfig
 19
 20ifeq ($(CONFIG_FRAME_POINTER),y)
 21CFLAGS		+=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
 22endif
 23
 24ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
 25CPPFLAGS	+= -mbig-endian
 26AS		+= -EB
 27LD		+= -EB
 28else
 29CPPFLAGS	+= -mlittle-endian
 30AS		+= -EL
 31LD		+= -EL
 32endif
 33
 34comma = ,
 35
 36# This selects which instruction set is used.
 37# Note that GCC does not numerically define an architecture version
 38# macro, but instead defines a whole series of macros which makes
 39# testing for a specific architecture or later rather impossible.
 40arch-$(CONFIG_CPU_32v6)		:=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
 41arch-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
 42arch-$(CONFIG_CPU_32v4)		:=-D__LINUX_ARM_ARCH__=4 -march=armv4
 43arch-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3 -march=armv3
 44
 45# This selects how we optimise for the processor.
 46tune-$(CONFIG_CPU_ARM610)	:=-mtune=arm610
 47tune-$(CONFIG_CPU_ARM710)	:=-mtune=arm710
 48tune-$(CONFIG_CPU_ARM720T)	:=-mtune=arm7tdmi
 49tune-$(CONFIG_CPU_ARM920T)	:=-mtune=arm9tdmi
 50tune-$(CONFIG_CPU_ARM922T)	:=-mtune=arm9tdmi
 51tune-$(CONFIG_CPU_ARM925T)	:=-mtune=arm9tdmi
 52tune-$(CONFIG_CPU_ARM926T)	:=-mtune=arm9tdmi
 53tune-$(CONFIG_CPU_SA110)	:=-mtune=strongarm110
 54tune-$(CONFIG_CPU_SA1100)	:=-mtune=strongarm1100
 55tune-$(CONFIG_CPU_XSCALE)	:=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
 56tune-$(CONFIG_CPU_V6)		:=-mtune=strongarm
 57
 58# Need -Uarm for gcc < 3.x
 59CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
 60CFLAGS		+=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
 61AFLAGS		+=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
 62
 63CHECKFLAGS	+= -D__arm__
 64
 65#Default value
 66head-y		:= arch/arm/kernel/head.o arch/arm/kernel/init_task.o
 67textaddr-y	:= 0xC0008000
 68
 69 machine-$(CONFIG_ARCH_RPC)	   := rpc
 70 machine-$(CONFIG_ARCH_EBSA110)	   := ebsa110
 71 machine-$(CONFIG_ARCH_CLPS7500)   := clps7500
 72  incdir-$(CONFIG_ARCH_CLPS7500)   := cl7500
 73 machine-$(CONFIG_FOOTBRIDGE)	   := footbridge
 74  incdir-$(CONFIG_FOOTBRIDGE)	   := ebsa285
 75textaddr-$(CONFIG_ARCH_CO285)	   := 0x60008000
 76 machine-$(CONFIG_ARCH_CO285)	   := footbridge
 77  incdir-$(CONFIG_ARCH_CO285)	   := ebsa285
 78 machine-$(CONFIG_ARCH_SHARK)	   := shark
 79 machine-$(CONFIG_ARCH_SA1100)	   := sa1100
 80ifeq ($(CONFIG_ARCH_SA1100),y)
 81# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
 82textaddr-$(CONFIG_SA1111)	   := 0xc0208000
 83endif
 84 machine-$(CONFIG_ARCH_PXA)	   := pxa
 85 machine-$(CONFIG_ARCH_L7200)	   := l7200
 86 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
 87 machine-$(CONFIG_ARCH_CAMELOT)	   := epxa10db
 88textaddr-$(CONFIG_ARCH_CLPS711X)   := 0xc0028000
 89 machine-$(CONFIG_ARCH_CLPS711X)   := clps711x
 90textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
 91 machine-$(CONFIG_ARCH_IOP3XX)	   := iop3xx
 92 machine-$(CONFIG_ARCH_IXP4XX)	   := ixp4xx
 93 machine-$(CONFIG_ARCH_IXP2000)    := ixp2000
 94 machine-$(CONFIG_ARCH_OMAP)	   := omap
 95 machine-$(CONFIG_ARCH_S3C2410)	   := s3c2410
 96 machine-$(CONFIG_ARCH_LH7A40X)	   := lh7a40x
 97 machine-$(CONFIG_ARCH_VERSATILE)  := versatile
 98 machine-$(CONFIG_ARCH_IMX)	   := imx
 99 machine-$(CONFIG_ARCH_H720X)	   := h720x
100
101ifeq ($(CONFIG_ARCH_EBSA110),y)
102# This is what happens if you forget the IOCS16 line.
103# PCMCIA cards stop working.
104CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
105export CFLAGS_3c589_cs.o
106endif
107
108TEXTADDR := $(textaddr-y)
109ifeq ($(CONFIG_XIP_KERNEL),y)
110  DATAADDR := $(TEXTADDR)
111  xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000
112  xipaddr-y ?= 0xbf000000
113  # Replace phys addr with virt addr while keeping offset from base.
114  TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \
115                      awk --non-decimal-data '/[:xdigit:]/ \
116                          { printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' )
117endif
118
119ifeq ($(incdir-y),)
120incdir-y := $(machine-y)
121endif
122INCDIR   := arch-$(incdir-y)
123ifneq ($(machine-y),)
124MACHINE  := arch/arm/mach-$(machine-y)/
125else
126MACHINE  :=
127endif
128  
129export	TEXTADDR DATAADDR GZFLAGS
130
131# Do we have FASTFPE?
132FASTFPE		:=arch/arm/fastfpe
133ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
134FASTFPE_OBJ	:=$(FASTFPE)/
135endif
136
137# If we have a machine-specific directory, then include it in the build.
138core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
139core-y				+= $(MACHINE)
140core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
141core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
142core-$(CONFIG_VFP)		+= arch/arm/vfp/
143
144drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
145drivers-$(CONFIG_ARCH_CLPS7500)	+= drivers/acorn/char/
146drivers-$(CONFIG_ARCH_L7200)	+= drivers/acorn/char/
147
148libs-y				+= arch/arm/lib/
149
150# Default target when executing plain make
151ifeq ($(CONFIG_XIP_KERNEL),y)
152all: xipImage
153else
154all: zImage
155endif
156
157boot := arch/arm/boot
158
159#	Update machine arch and proc symlinks if something which affects
160#	them changed.  We use .arch to indicate when they were updated
161#	last, otherwise make uses the target directory mtime.
162
163include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
164	@echo '  SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
165ifneq ($(KBUILD_SRC),)
166	$(Q)mkdir -p include/asm-arm
167	$(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
168else
169	$(Q)ln -fsn $(INCDIR) include/asm-arm/arch
170endif
171	@touch $@
172
173prepare: maketools include/asm-arm/.arch
174
175.PHONY: maketools FORCE
176maketools: include/asm-arm/constants.h include/linux/version.h FORCE
177	$(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
178
179# Convert bzImage to zImage
180bzImage: zImage
181
182zImage Image xipImage bootpImage uImage: vmlinux
183	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
184
185zinstall install: vmlinux
186	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
187
188CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
189	       include/asm-arm/arch include/asm-arm/.arch
190
191# We use MRPROPER_FILES and CLEAN_FILES now
192archclean:
193	$(Q)$(MAKE) $(clean)=$(boot)
194
195# My testing targets (bypasses dependencies)
196bp:;	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
197i zi:;	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
198
199arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
200				   include/asm-arm/.arch
201
202include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
203	$(call filechk,gen-asm-offsets)
204
205define archhelp
206  echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
207  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
208  echo  '* xipImage      - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
209  echo  '  bootpImage    - Combined zImage and initial RAM disk' 
210  echo  '                  (supply initrd image via make variable INITRD=<path>)'
211  echo  '  install       - Install uncompressed kernel'
212  echo  '  zinstall      - Install compressed kernel'
213  echo  '                  Install using (your) ~/bin/installkernel or'
214  echo  '                  (distribution) /sbin/installkernel or'
215  echo  '                  install to $$(INSTALL_PATH) and run lilo'
216endef