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 LDFLAGS_BLOB :=--format binary
12 AFLAGS_vmlinux.lds.o = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
13 OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
17 ifeq ($(CONFIG_FRAME_POINTER),y)
18 CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
21 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
22 CFLAGS += -mbig-endian
25 AFLAGS += -mbig-endian
27 CFLAGS += -mlittle-endian
30 AFLAGS += -mlittle-endian
35 # This selects which instruction set is used.
36 # Note that GCC does not numerically define an architecture version
37 # macro, but instead defines a whole series of macros which makes
38 # testing for a specific architecture or later rather impossible.
39 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call check_gcc,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
40 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call check_gcc,-march=armv5te,-march=armv4)
41 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
42 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
44 # This selects how we optimise for the processor.
45 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
46 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
47 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
48 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
49 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
50 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
51 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
52 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
53 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
54 tune-$(CONFIG_CPU_XSCALE) :=$(call check_gcc,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
55 tune-$(CONFIG_CPU_V6) :=-mtune=strongarm
57 # Need -Uarm for gcc < 3.x
58 CFLAGS +=-mapcs-32 $(arch-y) $(tune-y) $(call check_gcc,-malignment-traps,-mshort-load-bytes) -msoft-float -Wa,-mno-fpu -Uarm
59 AFLAGS +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float -Wa,-mno-fpu
61 CHECK := $(CHECK) -D__arm__=1
66 head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
67 textaddr-y := 0xC0008000
69 machine-$(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_OMAP) := omap
94 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
95 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
96 machine-$(CONFIG_ARCH_VERSATILE_PB) := versatile
98 ifeq ($(CONFIG_ARCH_EBSA110),y)
99 # This is what happens if you forget the IOCS16 line.
100 # PCMCIA cards stop working.
101 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
102 export CFLAGS_3c589_cs.o
105 TEXTADDR := $(textaddr-y)
107 incdir-y := $(machine-y)
109 INCDIR := arch-$(incdir-y)
111 export TEXTADDR GZFLAGS
113 # Do we have FASTFPE?
114 FASTFPE :=arch/arm/fastfpe
115 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
116 FASTFPE_OBJ :=$(FASTFPE)/
119 # If we have a machine-specific directory, then include it in the build.
120 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
121 ifneq ($(machine-y),)
122 core-y += arch/arm/mach-$(machine-y)/
124 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
125 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
126 core-$(CONFIG_VFP) += arch/arm/vfp/
128 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
129 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
130 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
132 libs-y += arch/arm/lib/
134 # Default target when executing plain make
137 boot := arch/arm/boot
139 # Update machine arch and proc symlinks if something which affects
140 # them changed. We use .arch to indicate when they were updated
141 # last, otherwise make uses the target directory mtime.
143 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
144 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
145 ifneq ($(KBUILD_SRC),)
146 $(Q)mkdir -p include/asm-arm
147 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
149 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
153 prepare: maketools include/asm-arm/.arch
155 .PHONY: maketools FORCE
156 maketools: include/asm-arm/constants.h include/linux/version.h FORCE
157 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
159 # Convert bzImage to zImage
162 zImage Image bootpImage uImage: vmlinux
163 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
165 zinstall install: vmlinux
166 $(Q)$(MAKE) $(build)=$(boot) $@
168 CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
169 include/asm-arm/arch include/asm-arm/.arch
171 # We use MRPROPER_FILES and CLEAN_FILES now
173 $(Q)$(MAKE) $(clean)=$(boot)
175 # My testing targets (bypasses dependencies)
176 bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
177 i zi:; $(Q)$(MAKE) $(build)=$(boot) $@
179 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
180 include/asm-arm/.arch
182 include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
183 $(call filechk,gen-asm-offsets)
186 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
187 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
188 echo ' bootpImage - Combined zImage and initial RAM disk'
189 echo ' (supply initrd image via make variable INITRD=<path>)'
190 echo ' install - Install uncompressed kernel'
191 echo ' zinstall - Install compressed kernel'
192 echo ' Install using (your) ~/bin/installkernel or'
193 echo ' (distribution) /sbin/installkernel or'
194 echo ' install to $$(INSTALL_PATH) and run lilo'