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
8 # Copyright (C) 1995-2001 by Russell King
10 LDFLAGS_vmlinux :=-p --no-undefined -X
11 CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
12 OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
16 # Do not use arch/arm/defconfig - it's always outdated.
17 # Select a platform tht is kept up-to-date
18 KBUILD_DEFCONFIG := versatile_defconfig
20 ifeq ($(CONFIG_FRAME_POINTER),y)
21 CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
24 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
25 CPPFLAGS += -mbig-endian
29 CPPFLAGS += -mlittle-endian
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.
40 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
41 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
42 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
43 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
45 # This selects how we optimise for the processor.
46 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
47 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
48 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
49 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
50 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
51 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
52 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
53 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
54 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
55 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
56 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136jf-s,-mtune=arm1136jfs)
58 # Need -Uarm for gcc < 3.x
59 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
60 CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
61 AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
63 CHECKFLAGS += -D__arm__
66 head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
67 textaddr-y := 0xC0008000
69 machine-$(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-$(CONFIG_FOOTBRIDGE) := ebsa285
75 textaddr-$(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
80 ifeq ($(CONFIG_ARCH_SA1100),y)
81 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
82 textaddr-$(CONFIG_SA1111) := 0xc0208000
84 machine-$(CONFIG_ARCH_PXA) := pxa
85 machine-$(CONFIG_ARCH_L7200) := l7200
86 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
87 machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
88 textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
89 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
90 textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
91 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
92 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
93 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
94 machine-$(CONFIG_ARCH_OMAP1) := omap1
95 machine-$(CONFIG_ARCH_OMAP2) := omap2
96 incdir-$(CONFIG_ARCH_OMAP) := omap
97 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
98 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
99 machine-$(CONFIG_ARCH_VERSATILE) := versatile
100 machine-$(CONFIG_ARCH_IMX) := imx
101 machine-$(CONFIG_ARCH_H720X) := h720x
102 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
104 ifeq ($(CONFIG_ARCH_EBSA110),y)
105 # This is what happens if you forget the IOCS16 line.
106 # PCMCIA cards stop working.
107 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
108 export CFLAGS_3c589_cs.o
111 TEXTADDR := $(textaddr-y)
112 ifeq ($(CONFIG_XIP_KERNEL),y)
113 DATAADDR := $(TEXTADDR)
114 xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000
115 xipaddr-y ?= 0xbf000000
116 # Replace phys addr with virt addr while keeping offset from base.
117 TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \
118 awk --non-decimal-data '/[:xdigit:]/ \
119 { printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' )
123 incdir-y := $(machine-y)
125 INCDIR := arch-$(incdir-y)
126 ifneq ($(machine-y),)
127 MACHINE := arch/arm/mach-$(machine-y)/
132 export TEXTADDR DATAADDR GZFLAGS
134 # Do we have FASTFPE?
135 FASTFPE :=arch/arm/fastfpe
136 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
137 FASTFPE_OBJ :=$(FASTFPE)/
140 # If we have a machine-specific directory, then include it in the build.
141 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
143 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
144 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
145 core-$(CONFIG_VFP) += arch/arm/vfp/
147 # If we have a common platform directory, then include it in the build.
148 core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
150 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
151 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
152 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
154 libs-y += arch/arm/lib/
156 # Default target when executing plain make
157 ifeq ($(CONFIG_XIP_KERNEL),y)
163 boot := arch/arm/boot
165 # Update machine arch and proc symlinks if something which affects
166 # them changed. We use .arch to indicate when they were updated
167 # last, otherwise make uses the target directory mtime.
169 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
170 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
171 ifneq ($(KBUILD_SRC),)
172 $(Q)mkdir -p include/asm-arm
173 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
175 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
179 archprepare: maketools include/asm-arm/.arch
181 .PHONY: maketools FORCE
182 maketools: include/linux/version.h FORCE
183 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
185 # Convert bzImage to zImage
188 zImage Image xipImage bootpImage uImage: vmlinux
189 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
191 zinstall install: vmlinux
192 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
194 CLEAN_FILES += include/asm-arm/mach-types.h \
195 include/asm-arm/arch include/asm-arm/.arch
197 # We use MRPROPER_FILES and CLEAN_FILES now
199 $(Q)$(MAKE) $(clean)=$(boot)
201 # My testing targets (bypasses dependencies)
202 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
203 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
207 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
208 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
209 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
210 echo ' bootpImage - Combined zImage and initial RAM disk'
211 echo ' (supply initrd image via make variable INITRD=<path>)'
212 echo ' install - Install uncompressed kernel'
213 echo ' zinstall - Install compressed kernel'
214 echo ' Install using (your) ~/bin/installkernel or'
215 echo ' (distribution) /sbin/installkernel or'
216 echo ' install to $$(INSTALL_PATH) and run lilo'