Makefile 9.1 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=$(TEXT_OFFSET)
  14. OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
  15. GZFLAGS :=-9
  16. #CFLAGS +=-pipe
  17. # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
  18. CFLAGS +=$(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 # Do not use arch/arm/defconfig - it's always outdated.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. CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  28. endif
  29. ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  30. CPPFLAGS += -mbig-endian
  31. AS += -EB
  32. LD += -EB
  33. else
  34. CPPFLAGS += -mlittle-endian
  35. AS += -EL
  36. LD += -EL
  37. endif
  38. comma = ,
  39. # This selects which instruction set is used.
  40. # Note that GCC does not numerically define an architecture version
  41. # macro, but instead defines a whole series of macros which makes
  42. # testing for a specific architecture or later rather impossible.
  43. arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  44. arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
  45. arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
  46. arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
  47. arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  48. arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  49. # This selects how we optimise for the processor.
  50. tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
  51. tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
  52. tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
  53. tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
  54. tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
  55. tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
  56. tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
  57. tune-$(CONFIG_CPU_ARM946T) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
  58. tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
  59. tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
  60. tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
  61. tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
  62. tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
  63. tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
  64. tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  65. tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  66. tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
  67. ifeq ($(CONFIG_AEABI),y)
  68. CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
  69. else
  70. CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
  71. endif
  72. # Need -Uarm for gcc < 3.x
  73. CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
  74. AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
  75. CHECKFLAGS += -D__arm__
  76. #Default value
  77. head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
  78. textofs-y := 0x00008000
  79. machine-$(CONFIG_ARCH_RPC) := rpc
  80. machine-$(CONFIG_ARCH_EBSA110) := ebsa110
  81. machine-$(CONFIG_ARCH_CLPS7500) := clps7500
  82. incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
  83. machine-$(CONFIG_FOOTBRIDGE) := footbridge
  84. incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
  85. machine-$(CONFIG_ARCH_CO285) := footbridge
  86. incdir-$(CONFIG_ARCH_CO285) := ebsa285
  87. machine-$(CONFIG_ARCH_SHARK) := shark
  88. machine-$(CONFIG_ARCH_SA1100) := sa1100
  89. ifeq ($(CONFIG_ARCH_SA1100),y)
  90. # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  91. textofs-$(CONFIG_SA1111) := 0x00208000
  92. endif
  93. machine-$(CONFIG_ARCH_PXA) := pxa
  94. machine-$(CONFIG_ARCH_L7200) := l7200
  95. machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  96. textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
  97. machine-$(CONFIG_ARCH_CLPS711X) := clps711x
  98. machine-$(CONFIG_ARCH_IOP32X) := iop32x
  99. machine-$(CONFIG_ARCH_IOP33X) := iop33x
  100. machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
  101. machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
  102. machine-$(CONFIG_ARCH_IXP2000) := ixp2000
  103. machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
  104. machine-$(CONFIG_ARCH_OMAP1) := omap1
  105. machine-$(CONFIG_ARCH_OMAP2) := omap2
  106. incdir-$(CONFIG_ARCH_OMAP) := omap
  107. machine-$(CONFIG_ARCH_S3C2410) := s3c2410
  108. machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
  109. machine-$(CONFIG_ARCH_VERSATILE) := versatile
  110. machine-$(CONFIG_ARCH_IMX) := imx
  111. machine-$(CONFIG_ARCH_H720X) := h720x
  112. machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
  113. machine-$(CONFIG_ARCH_REALVIEW) := realview
  114. machine-$(CONFIG_ARCH_AT91) := at91
  115. machine-$(CONFIG_ARCH_EP93XX) := ep93xx
  116. machine-$(CONFIG_ARCH_PNX4008) := pnx4008
  117. machine-$(CONFIG_ARCH_NETX) := netx
  118. machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
  119. textofs-$(CONFIG_ARCH_NS9XXX) := 0x00108000
  120. ifeq ($(CONFIG_ARCH_EBSA110),y)
  121. # This is what happens if you forget the IOCS16 line.
  122. # PCMCIA cards stop working.
  123. CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
  124. export CFLAGS_3c589_cs.o
  125. endif
  126. # The byte offset of the kernel image in RAM from the start of RAM.
  127. TEXT_OFFSET := $(textofs-y)
  128. ifeq ($(incdir-y),)
  129. incdir-y := $(machine-y)
  130. endif
  131. INCDIR := arch-$(incdir-y)
  132. ifneq ($(machine-y),)
  133. MACHINE := arch/arm/mach-$(machine-y)/
  134. else
  135. MACHINE :=
  136. endif
  137. export TEXT_OFFSET GZFLAGS MMUEXT
  138. # Do we have FASTFPE?
  139. FASTFPE :=arch/arm/fastfpe
  140. ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
  141. FASTFPE_OBJ :=$(FASTFPE)/
  142. endif
  143. # If we have a machine-specific directory, then include it in the build.
  144. core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
  145. core-y += $(MACHINE)
  146. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2400/
  147. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2412/
  148. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2440/
  149. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2442/
  150. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2443/
  151. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2450/
  152. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2416/
  153. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c6400/
  154. core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c6410/
  155. core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
  156. core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
  157. core-$(CONFIG_VFP) += arch/arm/vfp/
  158. # If we have a common platform directory, then include it in the build.
  159. core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
  160. core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
  161. core-$(CONFIG_PLAT_S3C) += arch/arm/plat-s3c24xx/
  162. drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
  163. drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
  164. drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
  165. libs-y := arch/arm/lib/ $(libs-y)
  166. # Default target when executing plain make
  167. ifeq ($(CONFIG_XIP_KERNEL),y)
  168. KBUILD_IMAGE := xipImage
  169. else
  170. KBUILD_IMAGE := zImage
  171. endif
  172. all: $(KBUILD_IMAGE)
  173. boot := arch/arm/boot
  174. # Update machine arch and proc symlinks if something which affects
  175. # them changed. We use .arch to indicate when they were updated
  176. # last, otherwise make uses the target directory mtime.
  177. include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
  178. @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
  179. ifneq ($(KBUILD_SRC),)
  180. $(Q)mkdir -p include/asm-arm
  181. $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
  182. else
  183. $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
  184. endif
  185. @touch $@
  186. archprepare: maketools
  187. PHONY += maketools FORCE
  188. maketools: include/linux/version.h include/asm-arm/.arch FORCE
  189. $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
  190. # Convert bzImage to zImage
  191. bzImage: zImage
  192. zImage Image xipImage bootpImage uImage: vmlinux
  193. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  194. zinstall install: vmlinux
  195. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  196. CLEAN_FILES += include/asm-arm/mach-types.h \
  197. include/asm-arm/arch include/asm-arm/.arch
  198. # We use MRPROPER_FILES and CLEAN_FILES now
  199. archclean:
  200. $(Q)$(MAKE) $(clean)=$(boot)
  201. # My testing targets (bypasses dependencies)
  202. bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
  203. i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  204. define archhelp
  205. echo '* zImage - Compressed kernel image (arch/$(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'
  215. endef