Makefile 7.8 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=$(TEXT_OFFSET)
  14. OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
  15. GZFLAGS :=-9
  16. #CFLAGS +=-pipe
  17. # Do not use arch/arm/defconfig - it's always outdated.
  18. # Select a platform tht is kept up-to-date
  19. KBUILD_DEFCONFIG := versatile_defconfig
  20. # defines filename extension depending memory manement type.
  21. ifeq ($(CONFIG_MMU),)
  22. MMUEXT := -nommu
  23. endif
  24. ifeq ($(CONFIG_FRAME_POINTER),y)
  25. CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  26. endif
  27. ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  28. CPPFLAGS += -mbig-endian
  29. AS += -EB
  30. LD += -EB
  31. else
  32. CPPFLAGS += -mlittle-endian
  33. AS += -EL
  34. LD += -EL
  35. endif
  36. comma = ,
  37. # This selects which instruction set is used.
  38. # Note that GCC does not numerically define an architecture version
  39. # macro, but instead defines a whole series of macros which makes
  40. # testing for a specific architecture or later rather impossible.
  41. arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  42. arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
  43. arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
  44. arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  45. arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  46. # This selects how we optimise for the processor.
  47. tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
  48. tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
  49. tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
  50. tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
  51. tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
  52. tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
  53. tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
  54. tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
  55. tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
  56. tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  57. tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  58. tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
  59. ifeq ($(CONFIG_AEABI),y)
  60. CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork
  61. else
  62. CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
  63. endif
  64. # Need -Uarm for gcc < 3.x
  65. CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
  66. AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
  67. CHECKFLAGS += -D__arm__
  68. #Default value
  69. head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
  70. textofs-y := 0x00008000
  71. machine-$(CONFIG_ARCH_RPC) := rpc
  72. machine-$(CONFIG_ARCH_EBSA110) := ebsa110
  73. machine-$(CONFIG_ARCH_CLPS7500) := clps7500
  74. incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
  75. machine-$(CONFIG_FOOTBRIDGE) := footbridge
  76. incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
  77. machine-$(CONFIG_ARCH_CO285) := footbridge
  78. incdir-$(CONFIG_ARCH_CO285) := ebsa285
  79. machine-$(CONFIG_ARCH_SHARK) := shark
  80. machine-$(CONFIG_ARCH_SA1100) := sa1100
  81. ifeq ($(CONFIG_ARCH_SA1100),y)
  82. # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  83. textofs-$(CONFIG_SA1111) := 0x00208000
  84. endif
  85. machine-$(CONFIG_ARCH_PXA) := pxa
  86. machine-$(CONFIG_ARCH_L7200) := l7200
  87. machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  88. textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
  89. machine-$(CONFIG_ARCH_CLPS711X) := clps711x
  90. machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
  91. machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
  92. machine-$(CONFIG_ARCH_IXP2000) := ixp2000
  93. machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
  94. machine-$(CONFIG_ARCH_OMAP1) := omap1
  95. machine-$(CONFIG_ARCH_OMAP2) := omap2
  96. incdir-$(CONFIG_ARCH_OMAP) := omap
  97. machine-$(CONFIG_ARCH_S3C2410) := s3c2410
  98. machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
  99. machine-$(CONFIG_ARCH_VERSATILE) := versatile
  100. machine-$(CONFIG_ARCH_IMX) := imx
  101. machine-$(CONFIG_ARCH_H720X) := h720x
  102. machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
  103. machine-$(CONFIG_ARCH_REALVIEW) := realview
  104. machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
  105. machine-$(CONFIG_ARCH_EP93XX) := ep93xx
  106. ifeq ($(CONFIG_ARCH_EBSA110),y)
  107. # This is what happens if you forget the IOCS16 line.
  108. # PCMCIA cards stop working.
  109. CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
  110. export CFLAGS_3c589_cs.o
  111. endif
  112. # The byte offset of the kernel image in RAM from the start of RAM.
  113. TEXT_OFFSET := $(textofs-y)
  114. ifeq ($(incdir-y),)
  115. incdir-y := $(machine-y)
  116. endif
  117. INCDIR := arch-$(incdir-y)
  118. ifneq ($(machine-y),)
  119. MACHINE := arch/arm/mach-$(machine-y)/
  120. else
  121. MACHINE :=
  122. endif
  123. export TEXT_OFFSET GZFLAGS MMUEXT
  124. # Do we have FASTFPE?
  125. FASTFPE :=arch/arm/fastfpe
  126. ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
  127. FASTFPE_OBJ :=$(FASTFPE)/
  128. endif
  129. # If we have a machine-specific directory, then include it in the build.
  130. core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
  131. core-y += $(MACHINE)
  132. core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
  133. core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
  134. core-$(CONFIG_VFP) += arch/arm/vfp/
  135. # If we have a common platform directory, then include it in the build.
  136. core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
  137. drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
  138. drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
  139. drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
  140. libs-y := arch/arm/lib/ $(libs-y)
  141. # Default target when executing plain make
  142. ifeq ($(CONFIG_XIP_KERNEL),y)
  143. all: xipImage
  144. else
  145. all: zImage
  146. endif
  147. boot := arch/arm/boot
  148. # Update machine arch and proc symlinks if something which affects
  149. # them changed. We use .arch to indicate when they were updated
  150. # last, otherwise make uses the target directory mtime.
  151. include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
  152. @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
  153. ifneq ($(KBUILD_SRC),)
  154. $(Q)mkdir -p include/asm-arm
  155. $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
  156. else
  157. $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
  158. endif
  159. @touch $@
  160. archprepare: maketools
  161. PHONY += maketools FORCE
  162. maketools: include/linux/version.h include/asm-arm/.arch FORCE
  163. $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
  164. # Convert bzImage to zImage
  165. bzImage: zImage
  166. zImage Image xipImage bootpImage uImage: vmlinux
  167. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  168. zinstall install: vmlinux
  169. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  170. CLEAN_FILES += include/asm-arm/mach-types.h \
  171. include/asm-arm/arch include/asm-arm/.arch
  172. # We use MRPROPER_FILES and CLEAN_FILES now
  173. archclean:
  174. $(Q)$(MAKE) $(clean)=$(boot)
  175. # My testing targets (bypasses dependencies)
  176. bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
  177. i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  178. define archhelp
  179. echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  180. echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  181. echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
  182. echo ' bootpImage - Combined zImage and initial RAM disk'
  183. echo ' (supply initrd image via make variable INITRD=<path>)'
  184. echo ' install - Install uncompressed kernel'
  185. echo ' zinstall - Install compressed kernel'
  186. echo ' Install using (your) ~/bin/installkernel or'
  187. echo ' (distribution) /sbin/installkernel or'
  188. echo ' install to $$(INSTALL_PATH) and run lilo'
  189. endef