Makefile 8.9 KB

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  1. #
  2. # arch/arm/Makefile
  3. #
  4. # This file is included by the global makefile so that you can add your own
  5. # architecture-specific flags and dependencies.
  6. #
  7. # This file is subject to the terms and conditions of the GNU General Public
  8. # License. See the file "COPYING" in the main directory of this archive
  9. # for more details.
  10. #
  11. # Copyright (C) 1995-2001 by Russell King
  12. LDFLAGS_vmlinux :=-p --no-undefined -X
  13. CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
  14. OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
  15. GZFLAGS :=-9
  16. #KBUILD_CFLAGS +=-pipe
  17. # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
  18. KBUILD_CFLAGS +=$(call cc-option,-marm,)
  19. # Do not use arch/arm/defconfig - it's always outdated.
  20. # Select a platform tht is kept up-to-date
  21. KBUILD_DEFCONFIG := versatile_defconfig
  22. # defines filename extension depending memory manement type.
  23. ifeq ($(CONFIG_MMU),)
  24. MMUEXT := -nommu
  25. endif
  26. ifeq ($(CONFIG_FRAME_POINTER),y)
  27. KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  28. endif
  29. ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  30. KBUILD_CPPFLAGS += -mbig-endian
  31. AS += -EB
  32. LD += -EB
  33. else
  34. KBUILD_CPPFLAGS += -mlittle-endian
  35. AS += -EL
  36. LD += -EL
  37. endif
  38. comma = ,
  39. # This selects which instruction set is used.
  40. # Note that GCC does not numerically define an architecture version
  41. # macro, but instead defines a whole series of macros which makes
  42. # testing for a specific architecture or later rather impossible.
  43. arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
  44. arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  45. # Only override the compiler option if ARMv6. The ARMv6K extensions are
  46. # always available in ARMv7
  47. ifeq ($(CONFIG_CPU_32v6),y)
  48. arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
  49. endif
  50. arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
  51. arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
  52. arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  53. arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  54. # This selects how we optimise for the processor.
  55. tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
  56. tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
  57. tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
  58. tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
  59. tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
  60. tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
  61. tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
  62. tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
  63. tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
  64. tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
  65. tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
  66. tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
  67. tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
  68. tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
  69. tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  70. tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  71. tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
  72. ifeq ($(CONFIG_AEABI),y)
  73. CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
  74. else
  75. CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
  76. endif
  77. # Need -Uarm for gcc < 3.x
  78. KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
  79. KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
  80. CHECKFLAGS += -D__arm__
  81. #Default value
  82. head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
  83. textofs-y := 0x00008000
  84. machine-$(CONFIG_ARCH_RPC) := rpc
  85. machine-$(CONFIG_ARCH_EBSA110) := ebsa110
  86. machine-$(CONFIG_ARCH_CLPS7500) := clps7500
  87. machine-$(CONFIG_FOOTBRIDGE) := footbridge
  88. machine-$(CONFIG_ARCH_SHARK) := shark
  89. machine-$(CONFIG_ARCH_SA1100) := sa1100
  90. ifeq ($(CONFIG_ARCH_SA1100),y)
  91. # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  92. textofs-$(CONFIG_SA1111) := 0x00208000
  93. endif
  94. machine-$(CONFIG_ARCH_PXA) := pxa
  95. machine-$(CONFIG_ARCH_L7200) := l7200
  96. machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  97. textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
  98. machine-$(CONFIG_ARCH_CLPS711X) := clps711x
  99. machine-$(CONFIG_ARCH_IOP32X) := iop32x
  100. machine-$(CONFIG_ARCH_IOP33X) := iop33x
  101. machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
  102. plat-$(CONFIG_PLAT_IOP) := iop
  103. machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
  104. machine-$(CONFIG_ARCH_IXP2000) := ixp2000
  105. machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
  106. machine-$(CONFIG_ARCH_OMAP1) := omap1
  107. machine-$(CONFIG_ARCH_OMAP2) := omap2
  108. plat-$(CONFIG_ARCH_OMAP) := omap
  109. machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
  110. plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx
  111. machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
  112. machine-$(CONFIG_ARCH_VERSATILE) := versatile
  113. machine-$(CONFIG_ARCH_IMX) := imx
  114. machine-$(CONFIG_ARCH_H720X) := h720x
  115. machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
  116. machine-$(CONFIG_ARCH_REALVIEW) := realview
  117. machine-$(CONFIG_ARCH_AT91) := at91
  118. machine-$(CONFIG_ARCH_EP93XX) := ep93xx
  119. machine-$(CONFIG_ARCH_PNX4008) := pnx4008
  120. machine-$(CONFIG_ARCH_NETX) := netx
  121. machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
  122. machine-$(CONFIG_ARCH_DAVINCI) := davinci
  123. machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
  124. machine-$(CONFIG_ARCH_KS8695) := ks8695
  125. plat-$(CONFIG_ARCH_MXC) := mxc
  126. machine-$(CONFIG_ARCH_MX2) := mx2
  127. machine-$(CONFIG_ARCH_MX3) := mx3
  128. machine-$(CONFIG_ARCH_ORION5X) := orion5x
  129. plat-$(CONFIG_PLAT_ORION) := orion
  130. machine-$(CONFIG_ARCH_MSM7X00A) := msm
  131. machine-$(CONFIG_ARCH_LOKI) := loki
  132. machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
  133. ifeq ($(CONFIG_ARCH_EBSA110),y)
  134. # This is what happens if you forget the IOCS16 line.
  135. # PCMCIA cards stop working.
  136. CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
  137. export CFLAGS_3c589_cs.o
  138. endif
  139. # The byte offset of the kernel image in RAM from the start of RAM.
  140. TEXT_OFFSET := $(textofs-y)
  141. # The first directory contains additional information for the boot setup code
  142. ifneq ($(machine-y),)
  143. MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
  144. else
  145. MACHINE :=
  146. endif
  147. machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  148. platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
  149. ifeq ($(KBUILD_SRC),)
  150. KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
  151. else
  152. KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
  153. endif
  154. export TEXT_OFFSET GZFLAGS MMUEXT
  155. # Do we have FASTFPE?
  156. FASTFPE :=arch/arm/fastfpe
  157. ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
  158. FASTFPE_OBJ :=$(FASTFPE)/
  159. endif
  160. # If we have a machine-specific directory, then include it in the build.
  161. core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
  162. core-y += $(machdirs) $(platdirs)
  163. core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
  164. core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
  165. core-$(CONFIG_VFP) += arch/arm/vfp/
  166. drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
  167. libs-y := arch/arm/lib/ $(libs-y)
  168. # Default target when executing plain make
  169. ifeq ($(CONFIG_XIP_KERNEL),y)
  170. KBUILD_IMAGE := xipImage
  171. else
  172. KBUILD_IMAGE := zImage
  173. endif
  174. all: $(KBUILD_IMAGE)
  175. boot := arch/arm/boot
  176. # Update machine arch and proc symlinks if something which affects
  177. # them changed. We use .arch to indicate when they were updated
  178. # last, otherwise make uses the target directory mtime.
  179. archprepare: maketools
  180. PHONY += maketools FORCE
  181. maketools: include/linux/version.h FORCE
  182. $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
  183. # Convert bzImage to zImage
  184. bzImage: zImage
  185. zImage Image xipImage bootpImage uImage: vmlinux
  186. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  187. zinstall install: vmlinux
  188. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  189. CLEAN_FILES += include/asm-arm/mach-types.h \
  190. include/asm-arm/arch include/asm-arm/.arch
  191. # We use MRPROPER_FILES and CLEAN_FILES now
  192. archclean:
  193. $(Q)$(MAKE) $(clean)=$(boot)
  194. # My testing targets (bypasses dependencies)
  195. bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
  196. i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  197. define archhelp
  198. echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  199. echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  200. echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
  201. echo ' uImage - U-Boot wrapped zImage'
  202. echo ' bootpImage - Combined zImage and initial RAM disk'
  203. echo ' (supply initrd image via make variable INITRD=<path>)'
  204. echo ' install - Install uncompressed kernel'
  205. echo ' zinstall - Install compressed kernel'
  206. echo ' Install using (your) ~/bin/installkernel or'
  207. echo ' (distribution) /sbin/installkernel or'
  208. echo ' install to $$(INSTALL_PATH) and run lilo'
  209. endef