Makefile 7.2 KB

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  1. #
  2. # arch/arm/Makefile
  3. #
  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
  6. # for more details.
  7. #
  8. # Copyright (C) 1995-2001 by Russell King
  9. LDFLAGS_vmlinux :=-p --no-undefined -X
  10. CPPFLAGS_vmlinux.lds = -DKERNEL_RAM_ADDR=$(TEXTADDR)
  11. OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
  12. GZFLAGS :=-9
  13. #CFLAGS +=-pipe
  14. # Do not use arch/arm/defconfig - it's always outdated.
  15. # Select a platform tht is kept up-to-date
  16. KBUILD_DEFCONFIG := versatile_defconfig
  17. ifeq ($(CONFIG_FRAME_POINTER),y)
  18. CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  19. endif
  20. ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  21. CPPFLAGS += -mbig-endian
  22. AS += -EB
  23. LD += -EB
  24. else
  25. CPPFLAGS += -mlittle-endian
  26. AS += -EL
  27. LD += -EL
  28. endif
  29. comma = ,
  30. # This selects which instruction set is used.
  31. # Note that GCC does not numerically define an architecture version
  32. # macro, but instead defines a whole series of macros which makes
  33. # testing for a specific architecture or later rather impossible.
  34. arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  35. arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
  36. arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
  37. arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
  38. arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
  39. # This selects how we optimise for the processor.
  40. tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
  41. tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
  42. tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
  43. tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
  44. tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
  45. tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
  46. tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
  47. tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
  48. tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
  49. tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  50. tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
  51. # Need -Uarm for gcc < 3.x
  52. CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
  53. CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
  54. AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
  55. CHECKFLAGS += -D__arm__
  56. #Default value
  57. head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
  58. textaddr-y := 0xC0008000
  59. machine-$(CONFIG_ARCH_RPC) := rpc
  60. machine-$(CONFIG_ARCH_EBSA110) := ebsa110
  61. machine-$(CONFIG_ARCH_CLPS7500) := clps7500
  62. incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
  63. machine-$(CONFIG_FOOTBRIDGE) := footbridge
  64. incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
  65. textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
  66. machine-$(CONFIG_ARCH_CO285) := footbridge
  67. incdir-$(CONFIG_ARCH_CO285) := ebsa285
  68. machine-$(CONFIG_ARCH_SHARK) := shark
  69. machine-$(CONFIG_ARCH_SA1100) := sa1100
  70. ifeq ($(CONFIG_ARCH_SA1100),y)
  71. # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  72. textaddr-$(CONFIG_SA1111) := 0xc0208000
  73. endif
  74. machine-$(CONFIG_ARCH_PXA) := pxa
  75. machine-$(CONFIG_ARCH_L7200) := l7200
  76. machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
  77. machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
  78. textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
  79. machine-$(CONFIG_ARCH_CLPS711X) := clps711x
  80. textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
  81. machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
  82. machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
  83. machine-$(CONFIG_ARCH_IXP2000) := ixp2000
  84. machine-$(CONFIG_ARCH_OMAP1) := omap1
  85. incdir-$(CONFIG_ARCH_OMAP) := omap
  86. machine-$(CONFIG_ARCH_S3C2410) := s3c2410
  87. machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
  88. machine-$(CONFIG_ARCH_VERSATILE) := versatile
  89. machine-$(CONFIG_ARCH_IMX) := imx
  90. machine-$(CONFIG_ARCH_H720X) := h720x
  91. machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
  92. machine-$(CONFIG_ARCH_REALVIEW) := realview
  93. ifeq ($(CONFIG_ARCH_EBSA110),y)
  94. # This is what happens if you forget the IOCS16 line.
  95. # PCMCIA cards stop working.
  96. CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
  97. export CFLAGS_3c589_cs.o
  98. endif
  99. TEXTADDR := $(textaddr-y)
  100. ifeq ($(incdir-y),)
  101. incdir-y := $(machine-y)
  102. endif
  103. INCDIR := arch-$(incdir-y)
  104. ifneq ($(machine-y),)
  105. MACHINE := arch/arm/mach-$(machine-y)/
  106. else
  107. MACHINE :=
  108. endif
  109. export TEXTADDR GZFLAGS
  110. # Do we have FASTFPE?
  111. FASTFPE :=arch/arm/fastfpe
  112. ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
  113. FASTFPE_OBJ :=$(FASTFPE)/
  114. endif
  115. # If we have a machine-specific directory, then include it in the build.
  116. core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
  117. core-y += $(MACHINE)
  118. core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
  119. core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
  120. core-$(CONFIG_VFP) += arch/arm/vfp/
  121. # If we have a common platform directory, then include it in the build.
  122. core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
  123. drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
  124. drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
  125. drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
  126. libs-y := arch/arm/lib/ $(libs-y)
  127. # Default target when executing plain make
  128. ifeq ($(CONFIG_XIP_KERNEL),y)
  129. all: xipImage
  130. else
  131. all: zImage
  132. endif
  133. boot := arch/arm/boot
  134. # Update machine arch and proc symlinks if something which affects
  135. # them changed. We use .arch to indicate when they were updated
  136. # last, otherwise make uses the target directory mtime.
  137. include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
  138. @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
  139. ifneq ($(KBUILD_SRC),)
  140. $(Q)mkdir -p include/asm-arm
  141. $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
  142. else
  143. $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
  144. endif
  145. @touch $@
  146. archprepare: maketools
  147. .PHONY: maketools FORCE
  148. maketools: include/linux/version.h include/asm-arm/.arch FORCE
  149. $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
  150. # Convert bzImage to zImage
  151. bzImage: zImage
  152. zImage Image xipImage bootpImage uImage: vmlinux
  153. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  154. zinstall install: vmlinux
  155. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  156. CLEAN_FILES += include/asm-arm/mach-types.h \
  157. include/asm-arm/arch include/asm-arm/.arch
  158. # We use MRPROPER_FILES and CLEAN_FILES now
  159. archclean:
  160. $(Q)$(MAKE) $(clean)=$(boot)
  161. # My testing targets (bypasses dependencies)
  162. bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
  163. i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  164. define archhelp
  165. echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  166. echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  167. echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
  168. echo ' bootpImage - Combined zImage and initial RAM disk'
  169. echo ' (supply initrd image via make variable INITRD=<path>)'
  170. echo ' install - Install uncompressed kernel'
  171. echo ' zinstall - Install compressed kernel'
  172. echo ' Install using (your) ~/bin/installkernel or'
  173. echo ' (distribution) /sbin/installkernel or'
  174. echo ' install to $$(INSTALL_PATH) and run lilo'
  175. endef