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 = -DTEXT_OFFSET=$(TEXT_OFFSET)
12 OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
16 # Do not use arch/arm/defconfig - it's always outdated.
17 # Select a platform tht is kept up-to-date
18 KBUILD_DEFCONFIG := versatile_defconfig
20 ifeq ($(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_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
42 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
43 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
44 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
46 # This selects how we optimise for the processor.
47 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
48 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
49 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
50 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
51 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
52 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
53 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
54 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
55 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
56 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
57 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
59 ifeq ($(CONFIG_AEABI),y)
60 CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork
62 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
65 # Need -Uarm for gcc < 3.x
66 CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
67 AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
69 CHECKFLAGS += -D__arm__
72 head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
73 textofs-y := 0x00008000
75 machine-$(CONFIG_ARCH_RPC) := rpc
76 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
77 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
78 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
79 machine-$(CONFIG_FOOTBRIDGE) := footbridge
80 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
81 machine-$(CONFIG_ARCH_CO285) := footbridge
82 incdir-$(CONFIG_ARCH_CO285) := ebsa285
83 machine-$(CONFIG_ARCH_SHARK) := shark
84 machine-$(CONFIG_ARCH_SA1100) := sa1100
85 ifeq ($(CONFIG_ARCH_SA1100),y)
86 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
87 textofs-$(CONFIG_SA1111) := 0x00208000
89 machine-$(CONFIG_ARCH_PXA) := pxa
90 machine-$(CONFIG_ARCH_L7200) := l7200
91 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
92 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
93 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
94 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
95 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
96 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
97 machine-$(CONFIG_ARCH_OMAP1) := omap1
98 machine-$(CONFIG_ARCH_OMAP2) := omap2
99 incdir-$(CONFIG_ARCH_OMAP) := omap
100 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
101 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
102 machine-$(CONFIG_ARCH_VERSATILE) := versatile
103 machine-$(CONFIG_ARCH_IMX) := imx
104 machine-$(CONFIG_ARCH_H720X) := h720x
105 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
106 machine-$(CONFIG_ARCH_REALVIEW) := realview
107 machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
109 ifeq ($(CONFIG_ARCH_EBSA110),y)
110 # This is what happens if you forget the IOCS16 line.
111 # PCMCIA cards stop working.
112 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
113 export CFLAGS_3c589_cs.o
116 # The byte offset of the kernel image in RAM from the start of RAM.
117 TEXT_OFFSET := $(textofs-y)
120 incdir-y := $(machine-y)
122 INCDIR := arch-$(incdir-y)
124 ifneq ($(machine-y),)
125 MACHINE := arch/arm/mach-$(machine-y)/
130 export TEXT_OFFSET GZFLAGS
132 # Do we have FASTFPE?
133 FASTFPE :=arch/arm/fastfpe
134 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
135 FASTFPE_OBJ :=$(FASTFPE)/
138 # If we have a machine-specific directory, then include it in the build.
139 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
141 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
142 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
143 core-$(CONFIG_VFP) += arch/arm/vfp/
145 # If we have a common platform directory, then include it in the build.
146 core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
148 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
149 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
150 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
152 libs-y := arch/arm/lib/ $(libs-y)
154 # Default target when executing plain make
155 ifeq ($(CONFIG_XIP_KERNEL),y)
161 boot := arch/arm/boot
163 # Update machine arch and proc symlinks if something which affects
164 # them changed. We use .arch to indicate when they were updated
165 # last, otherwise make uses the target directory mtime.
167 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
168 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
169 ifneq ($(KBUILD_SRC),)
170 $(Q)mkdir -p include/asm-arm
171 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
173 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
177 archprepare: maketools
179 .PHONY: maketools FORCE
180 maketools: include/linux/version.h include/asm-arm/.arch FORCE
181 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
183 # Convert bzImage to zImage
186 zImage Image xipImage bootpImage uImage: vmlinux
187 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
189 zinstall install: vmlinux
190 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
192 CLEAN_FILES += include/asm-arm/mach-types.h \
193 include/asm-arm/arch include/asm-arm/.arch
195 # We use MRPROPER_FILES and CLEAN_FILES now
197 $(Q)$(MAKE) $(clean)=$(boot)
199 # My testing targets (bypasses dependencies)
200 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
201 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
205 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
206 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
207 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
208 echo ' bootpImage - Combined zImage and initial RAM disk'
209 echo ' (supply initrd image via make variable INITRD=<path>)'
210 echo ' install - Install uncompressed kernel'
211 echo ' zinstall - Install compressed kernel'
212 echo ' Install using (your) ~/bin/installkernel or'
213 echo ' (distribution) /sbin/installkernel or'
214 echo ' install to $$(INSTALL_PATH) and run lilo'