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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 | # # arch/arm/Makefile # # This file is included by the global makefile so that you can add your own # architecture-specific flags and dependencies. # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # # Copyright (C) 1995-2001 by Russell King # Ensure linker flags are correct LDFLAGS := LDFLAGS_vmlinux :=-p --no-undefined -X ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) LDFLAGS_vmlinux += --be8 endif OBJCOPYFLAGS :=-O binary -R .comment -S GZFLAGS :=-9 #KBUILD_CFLAGS +=-pipe # Never generate .eh_frame KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) # Do not use arch/arm/defconfig - it's always outdated. # Select a platform tht is kept up-to-date KBUILD_DEFCONFIG := versatile_defconfig # defines filename extension depending memory management type. ifeq ($(CONFIG_MMU),) MMUEXT := -nommu KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access) endif ifeq ($(CONFIG_FRAME_POINTER),y) KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog endif ifeq ($(CONFIG_CC_STACKPROTECTOR),y) KBUILD_CFLAGS +=-fstack-protector endif ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) KBUILD_CPPFLAGS += -mbig-endian AS += -EB LD += -EB else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL endif comma = , # This selects which instruction set is used. # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes # testing for a specific architecture or later rather impossible. arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) # Only override the compiler option if ARMv6. The ARMv6K extensions are # always available in ARMv7 ifeq ($(CONFIG_CPU_32v6),y) arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) endif arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 # This selects how we optimise for the processor. tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) tune-$(CONFIG_CPU_V6K) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) ifeq ($(CONFIG_AEABI),y) CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork else CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) endif ifeq ($(CONFIG_ARM_UNWIND),y) CFLAGS_ABI +=-funwind-tables endif ifeq ($(CONFIG_THUMB2_KERNEL),y) AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb # Work around buggy relocation from gas if requested: ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y) CFLAGS_MODULE +=-fno-optimize-sibling-calls endif else CFLAGS_ISA :=$(call cc-option,-marm,) AFLAGS_ISA :=$(CFLAGS_ISA) endif # Need -Uarm for gcc < 3.x KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float CHECKFLAGS += -D__arm__ #Default value head-y := arch/arm/kernel/head$(MMUEXT).o textofs-y := 0x00008000 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 # We don't want the htc bootloader to corrupt kernel during resume textofs-$(CONFIG_PM_H1940) := 0x00108000 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory ifeq ($(CONFIG_ARCH_SA1100),y) textofs-$(CONFIG_SA1111) := 0x00208000 endif textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000 textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000 textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000 # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. machine-$(CONFIG_ARCH_AT91) += at91 machine-$(CONFIG_ARCH_BCM) += bcm machine-$(CONFIG_ARCH_BCM2835) += bcm2835 machine-$(CONFIG_ARCH_CLPS711X) += clps711x machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx machine-$(CONFIG_ARCH_DAVINCI) += davinci machine-$(CONFIG_ARCH_DOVE) += dove machine-$(CONFIG_ARCH_EBSA110) += ebsa110 machine-$(CONFIG_ARCH_EP93XX) += ep93xx machine-$(CONFIG_ARCH_GEMINI) += gemini machine-$(CONFIG_ARCH_HIGHBANK) += highbank machine-$(CONFIG_ARCH_INTEGRATOR) += integrator machine-$(CONFIG_ARCH_IOP13XX) += iop13xx machine-$(CONFIG_ARCH_IOP32X) += iop32x machine-$(CONFIG_ARCH_IOP33X) += iop33x machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood machine-$(CONFIG_ARCH_KS8695) += ks8695 machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx machine-$(CONFIG_ARCH_MMP) += mmp machine-$(CONFIG_ARCH_MSM) += msm machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0 machine-$(CONFIG_ARCH_MXC) += imx machine-$(CONFIG_ARCH_MXS) += mxs machine-$(CONFIG_ARCH_MVEBU) += mvebu machine-$(CONFIG_ARCH_NETX) += netx machine-$(CONFIG_ARCH_NOMADIK) += nomadik machine-$(CONFIG_ARCH_OMAP1) += omap1 machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 machine-$(CONFIG_ARCH_ORION5X) += orion5x machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell machine-$(CONFIG_ARCH_PRIMA2) += prima2 machine-$(CONFIG_ARCH_PXA) += pxa machine-$(CONFIG_ARCH_REALVIEW) += realview machine-$(CONFIG_ARCH_RPC) += rpc machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx machine-$(CONFIG_ARCH_S5P64X0) += s5p64x0 machine-$(CONFIG_ARCH_S5PC100) += s5pc100 machine-$(CONFIG_ARCH_S5PV210) += s5pv210 machine-$(CONFIG_ARCH_EXYNOS) += exynos machine-$(CONFIG_ARCH_SA1100) += sa1100 machine-$(CONFIG_ARCH_SHARK) += shark machine-$(CONFIG_ARCH_SHMOBILE) += shmobile machine-$(CONFIG_ARCH_TEGRA) += tegra machine-$(CONFIG_ARCH_U300) += u300 machine-$(CONFIG_ARCH_U8500) += ux500 machine-$(CONFIG_ARCH_VERSATILE) += versatile machine-$(CONFIG_ARCH_VEXPRESS) += vexpress machine-$(CONFIG_ARCH_VT8500) += vt8500 machine-$(CONFIG_ARCH_W90X900) += w90x900 machine-$(CONFIG_FOOTBRIDGE) += footbridge machine-$(CONFIG_ARCH_SOCFPGA) += socfpga machine-$(CONFIG_PLAT_SPEAR) += spear machine-$(CONFIG_ARCH_VIRT) += virt machine-$(CONFIG_ARCH_ZYNQ) += zynq machine-$(CONFIG_ARCH_SUNXI) += sunxi # Platform directory name. This list is sorted alphanumerically # by CONFIG_* macro name. plat-$(CONFIG_ARCH_OMAP) += omap plat-$(CONFIG_ARCH_S3C64XX) += samsung plat-$(CONFIG_PLAT_IOP) += iop plat-$(CONFIG_PLAT_ORION) += orion plat-$(CONFIG_PLAT_PXA) += pxa plat-$(CONFIG_PLAT_S3C24XX) += samsung plat-$(CONFIG_PLAT_S5P) += samsung plat-$(CONFIG_PLAT_VERSATILE) += versatile ifeq ($(CONFIG_ARCH_EBSA110),y) # This is what happens if you forget the IOCS16 line. # PCMCIA cards stop working. CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL export CFLAGS_3c589_cs.o endif # The byte offset of the kernel image in RAM from the start of RAM. TEXT_OFFSET := $(textofs-y) # The first directory contains additional information for the boot setup code ifneq ($(machine-y),) MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ else MACHINE := endif ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y) MACHINE := endif machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y)) ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y) ifeq ($(KBUILD_SRC),) KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) else KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) endif endif export TEXT_OFFSET GZFLAGS MMUEXT # Do we have FASTFPE? FASTFPE :=arch/arm/fastfpe ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) FASTFPE_OBJ :=$(FASTFPE)/ endif core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) core-$(CONFIG_VFP) += arch/arm/vfp/ core-$(CONFIG_XEN) += arch/arm/xen/ core-$(CONFIG_KVM_ARM_HOST) += arch/arm/kvm/ # If we have a machine-specific directory, then include it in the build. core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ core-y += arch/arm/net/ core-y += arch/arm/crypto/ core-y += $(machdirs) $(platdirs) drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ libs-y := arch/arm/lib/ $(libs-y) # Default target when executing plain make ifeq ($(CONFIG_XIP_KERNEL),y) KBUILD_IMAGE := xipImage else KBUILD_IMAGE := zImage endif # Build the DT binary blobs if we have OF configured ifeq ($(CONFIG_USE_OF),y) KBUILD_DTBS := dtbs endif all: $(KBUILD_IMAGE) $(KBUILD_DTBS) boot := arch/arm/boot archprepare: $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h # Convert bzImage to zImage bzImage: zImage zImage Image xipImage bootpImage uImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ zinstall uinstall install: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ %.dtb: scripts $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@ dtbs: scripts $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) dtbs # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) # My testing targets (bypasses dependencies) bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ define archhelp echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' echo ' uImage - U-Boot wrapped zImage' echo ' bootpImage - Combined zImage and initial RAM disk' echo ' (supply initrd image via make variable INITRD=<path>)' echo '* dtbs - Build device tree blobs for enabled boards' echo ' install - Install uncompressed kernel' echo ' zinstall - Install compressed kernel' echo ' uinstall - Install U-Boot wrapped compressed kernel' echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' echo ' (distribution) /sbin/$(INSTALLKERNEL) or' echo ' install to $$(INSTALL_PATH) and run lilo' endef |