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 ifeq ($(CONFIG_FRAME_POINTER),y)
17 CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
20 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
21 CFLAGS += -mbig-endian
24 AFLAGS += -mbig-endian
26 CFLAGS += -mlittle-endian
29 AFLAGS += -mlittle-endian
34 # This selects which instruction set is used.
35 # Note that GCC does not numerically define an architecture version
36 # macro, but instead defines a whole series of macros which makes
37 # testing for a specific architecture or later rather impossible.
38 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
39 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
40 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
41 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
43 # This selects how we optimise for the processor.
44 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
45 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
46 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
47 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
48 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
49 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
50 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
51 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
52 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
53 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
54 tune-$(CONFIG_CPU_V6) :=-mtune=strongarm
56 # Need -Uarm for gcc < 3.x
57 CFLAGS +=-mapcs-32 $(arch-y) $(tune-y) $(call cc-option,-malignment-traps,-mshort-load-bytes) -msoft-float -Uarm
58 AFLAGS +=-mapcs-32 $(arch-y) $(tune-y) -msoft-float
60 CHECKFLAGS += -D__arm__
65 head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
66 textaddr-y := 0xC0008000
68 machine-$(CONFIG_ARCH_RPC) := rpc
69 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
70 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
71 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
72 machine-$(CONFIG_FOOTBRIDGE) := footbridge
73 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
74 textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
75 machine-$(CONFIG_ARCH_CO285) := footbridge
76 incdir-$(CONFIG_ARCH_CO285) := ebsa285
77 machine-$(CONFIG_ARCH_SHARK) := shark
78 machine-$(CONFIG_ARCH_SA1100) := sa1100
79 ifeq ($(CONFIG_ARCH_SA1100),y)
80 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
81 textaddr-$(CONFIG_SA1111) := 0xc0208000
83 machine-$(CONFIG_ARCH_PXA) := pxa
84 machine-$(CONFIG_ARCH_L7200) := l7200
85 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
86 machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
87 textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
88 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
89 textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
90 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
91 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
92 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
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
97 machine-$(CONFIG_ARCH_IMX) := imx
98 machine-$(CONFIG_ARCH_H720X) := h720x
100 ifeq ($(CONFIG_ARCH_EBSA110),y)
101 # This is what happens if you forget the IOCS16 line.
102 # PCMCIA cards stop working.
103 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
104 export CFLAGS_3c589_cs.o
107 TEXTADDR := $(textaddr-y)
109 incdir-y := $(machine-y)
111 INCDIR := arch-$(incdir-y)
113 export TEXTADDR GZFLAGS
115 # Do we have FASTFPE?
116 FASTFPE :=arch/arm/fastfpe
117 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
118 FASTFPE_OBJ :=$(FASTFPE)/
121 # If we have a machine-specific directory, then include it in the build.
122 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
123 ifneq ($(machine-y),)
124 core-y += arch/arm/mach-$(machine-y)/
126 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
127 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
128 core-$(CONFIG_VFP) += arch/arm/vfp/
130 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
131 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
132 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
134 libs-y += arch/arm/lib/
136 # Default target when executing plain make
139 boot := arch/arm/boot
141 # Update machine arch and proc symlinks if something which affects
142 # them changed. We use .arch to indicate when they were updated
143 # last, otherwise make uses the target directory mtime.
145 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
146 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
147 ifneq ($(KBUILD_SRC),)
148 $(Q)mkdir -p include/asm-arm
149 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
151 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
155 prepare: maketools include/asm-arm/.arch
157 .PHONY: maketools FORCE
158 maketools: include/asm-arm/constants.h include/linux/version.h FORCE
159 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
161 # Convert bzImage to zImage
164 zImage Image bootpImage uImage: vmlinux
165 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
167 zinstall install: vmlinux
168 $(Q)$(MAKE) $(build)=$(boot) $@
170 CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
171 include/asm-arm/arch include/asm-arm/.arch
173 # We use MRPROPER_FILES and CLEAN_FILES now
175 $(Q)$(MAKE) $(clean)=$(boot)
177 # My testing targets (bypasses dependencies)
178 bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
179 i zi:; $(Q)$(MAKE) $(build)=$(boot) $@
181 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
182 include/asm-arm/.arch
184 include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
185 $(call filechk,gen-asm-offsets)
188 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
189 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
190 echo ' bootpImage - Combined zImage and initial RAM disk'
191 echo ' (supply initrd image via make variable INITRD=<path>)'
192 echo ' install - Install uncompressed kernel'
193 echo ' zinstall - Install compressed kernel'
194 echo ' Install using (your) ~/bin/installkernel or'
195 echo ' (distribution) /sbin/installkernel or'
196 echo ' install to $$(INSTALL_PATH) and run lilo'