Makefile 13 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. # Ensure linker flags are correct
  13. LDFLAGS :=
  14. LDFLAGS_vmlinux :=-p --no-undefined -X
  15. ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
  16. LDFLAGS_vmlinux += --be8
  17. LDFLAGS_MODULE += --be8
  18. endif
  19. OBJCOPYFLAGS :=-O binary -R .comment -S
  20. GZFLAGS :=-9
  21. #KBUILD_CFLAGS +=-pipe
  22. # Never generate .eh_frame
  23. KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
  24. # Do not use arch/arm/defconfig - it's always outdated.
  25. # Select a platform tht is kept up-to-date
  26. KBUILD_DEFCONFIG := versatile_defconfig
  27. # defines filename extension depending memory management type.
  28. ifeq ($(CONFIG_MMU),)
  29. MMUEXT := -nommu
  30. KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
  31. endif
  32. ifeq ($(CONFIG_FRAME_POINTER),y)
  33. KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
  34. endif
  35. ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  36. KBUILD_CPPFLAGS += -mbig-endian
  37. AS += -EB
  38. LD += -EB
  39. else
  40. KBUILD_CPPFLAGS += -mlittle-endian
  41. AS += -EL
  42. LD += -EL
  43. endif
  44. # This selects which instruction set is used.
  45. # Note that GCC does not numerically define an architecture version
  46. # macro, but instead defines a whole series of macros which makes
  47. # testing for a specific architecture or later rather impossible.
  48. arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
  49. arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
  50. arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  51. # Only override the compiler option if ARMv6. The ARMv6K extensions are
  52. # always available in ARMv7
  53. ifeq ($(CONFIG_CPU_32v6),y)
  54. arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
  55. endif
  56. arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
  57. arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t
  58. arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4
  59. arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3
  60. # Evaluate arch cc-option calls now
  61. arch-y := $(arch-y)
  62. # This selects how we optimise for the processor.
  63. tune-$(CONFIG_CPU_ARM7TDMI) =-mtune=arm7tdmi
  64. tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
  65. tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi
  66. tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi
  67. tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi
  68. tune-$(CONFIG_CPU_ARM946E) =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
  69. tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi
  70. tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi
  71. tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi
  72. tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi
  73. tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi
  74. tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110
  75. tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
  76. tune-$(CONFIG_CPU_XSCALE) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  77. tune-$(CONFIG_CPU_XSC3) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
  78. tune-$(CONFIG_CPU_FEROCEON) =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
  79. tune-$(CONFIG_CPU_V6) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
  80. tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
  81. # Evaluate tune cc-option calls now
  82. tune-y := $(tune-y)
  83. ifeq ($(CONFIG_AEABI),y)
  84. CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
  85. else
  86. CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
  87. endif
  88. ifeq ($(CONFIG_ARM_UNWIND),y)
  89. CFLAGS_ABI +=-funwind-tables
  90. endif
  91. ifeq ($(CONFIG_THUMB2_KERNEL),y)
  92. AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
  93. AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
  94. CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
  95. AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
  96. # Work around buggy relocation from gas if requested:
  97. ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
  98. CFLAGS_MODULE +=-fno-optimize-sibling-calls
  99. endif
  100. else
  101. CFLAGS_ISA :=$(call cc-option,-marm,)
  102. AFLAGS_ISA :=$(CFLAGS_ISA)
  103. endif
  104. # Need -Uarm for gcc < 3.x
  105. KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
  106. KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
  107. CHECKFLAGS += -D__arm__
  108. #Default value
  109. head-y := arch/arm/kernel/head$(MMUEXT).o
  110. # Text offset. This list is sorted numerically by address in order to
  111. # provide a means to avoid/resolve conflicts in multi-arch kernels.
  112. textofs-y := 0x00008000
  113. textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
  114. # We don't want the htc bootloader to corrupt kernel during resume
  115. textofs-$(CONFIG_PM_H1940) := 0x00108000
  116. # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
  117. ifeq ($(CONFIG_ARCH_SA1100),y)
  118. textofs-$(CONFIG_SA1111) := 0x00208000
  119. endif
  120. textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
  121. textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
  122. textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
  123. textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
  124. # Machine directory name. This list is sorted alphanumerically
  125. # by CONFIG_* macro name.
  126. machine-$(CONFIG_ARCH_AT91) += at91
  127. machine-$(CONFIG_ARCH_AXXIA) += axxia
  128. machine-$(CONFIG_ARCH_BCM) += bcm
  129. machine-$(CONFIG_ARCH_BERLIN) += berlin
  130. machine-$(CONFIG_ARCH_CLPS711X) += clps711x
  131. machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
  132. machine-$(CONFIG_ARCH_DAVINCI) += davinci
  133. machine-$(CONFIG_ARCH_DOVE) += dove
  134. machine-$(CONFIG_ARCH_EBSA110) += ebsa110
  135. machine-$(CONFIG_ARCH_EFM32) += efm32
  136. machine-$(CONFIG_ARCH_EP93XX) += ep93xx
  137. machine-$(CONFIG_ARCH_EXYNOS) += exynos
  138. machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
  139. machine-$(CONFIG_ARCH_GEMINI) += gemini
  140. machine-$(CONFIG_ARCH_HIGHBANK) += highbank
  141. machine-$(CONFIG_ARCH_HISI) += hisi
  142. machine-$(CONFIG_ARCH_INTEGRATOR) += integrator
  143. machine-$(CONFIG_ARCH_IOP13XX) += iop13xx
  144. machine-$(CONFIG_ARCH_IOP32X) += iop32x
  145. machine-$(CONFIG_ARCH_IOP33X) += iop33x
  146. machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
  147. machine-$(CONFIG_ARCH_KEYSTONE) += keystone
  148. machine-$(CONFIG_ARCH_KS8695) += ks8695
  149. machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
  150. machine-$(CONFIG_ARCH_MESON) += meson
  151. machine-$(CONFIG_ARCH_MMP) += mmp
  152. machine-$(CONFIG_ARCH_MOXART) += moxart
  153. machine-$(CONFIG_ARCH_MSM) += msm
  154. machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
  155. machine-$(CONFIG_ARCH_MVEBU) += mvebu
  156. machine-$(CONFIG_ARCH_MXC) += imx
  157. machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
  158. # only for 32-bit bringup, must refactor this later
  159. ifneq ($(CONFIG_ARCH_MEDIATEK),y)
  160. machine-$(CONFIG_MEDIATEK_SOLUTION) += mediatek
  161. endif
  162. machine-$(CONFIG_ARCH_MXS) += mxs
  163. machine-$(CONFIG_ARCH_NETX) += netx
  164. machine-$(CONFIG_ARCH_NOMADIK) += nomadik
  165. machine-$(CONFIG_ARCH_NSPIRE) += nspire
  166. machine-$(CONFIG_ARCH_OMAP1) += omap1
  167. machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
  168. machine-$(CONFIG_ARCH_ORION5X) += orion5x
  169. machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
  170. machine-$(CONFIG_ARCH_PXA) += pxa
  171. machine-$(CONFIG_ARCH_QCOM) += qcom
  172. machine-$(CONFIG_ARCH_REALVIEW) += realview
  173. machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
  174. machine-$(CONFIG_ARCH_RPC) += rpc
  175. machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx
  176. machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx
  177. machine-$(CONFIG_ARCH_S5PV210) += s5pv210
  178. machine-$(CONFIG_ARCH_SA1100) += sa1100
  179. machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
  180. machine-$(CONFIG_ARCH_SIRF) += prima2
  181. machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
  182. machine-$(CONFIG_ARCH_STI) += sti
  183. machine-$(CONFIG_ARCH_SUNXI) += sunxi
  184. machine-$(CONFIG_ARCH_TEGRA) += tegra
  185. machine-$(CONFIG_ARCH_U300) += u300
  186. machine-$(CONFIG_ARCH_U8500) += ux500
  187. machine-$(CONFIG_ARCH_VERSATILE) += versatile
  188. machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
  189. machine-$(CONFIG_ARCH_VT8500) += vt8500
  190. machine-$(CONFIG_ARCH_W90X900) += w90x900
  191. machine-$(CONFIG_ARCH_ZYNQ) += zynq
  192. machine-$(CONFIG_PLAT_SPEAR) += spear
  193. # Platform directory name. This list is sorted alphanumerically
  194. # by CONFIG_* macro name.
  195. plat-$(CONFIG_ARCH_EXYNOS) += samsung
  196. plat-$(CONFIG_ARCH_OMAP) += omap
  197. plat-$(CONFIG_ARCH_S3C64XX) += samsung
  198. plat-$(CONFIG_ARCH_S5PV210) += samsung
  199. plat-$(CONFIG_PLAT_IOP) += iop
  200. plat-$(CONFIG_PLAT_ORION) += orion
  201. plat-$(CONFIG_PLAT_PXA) += pxa
  202. plat-$(CONFIG_PLAT_S3C24XX) += samsung
  203. plat-$(CONFIG_PLAT_VERSATILE) += versatile
  204. ifeq ($(CONFIG_ARCH_EBSA110),y)
  205. # This is what happens if you forget the IOCS16 line.
  206. # PCMCIA cards stop working.
  207. CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
  208. export CFLAGS_3c589_cs.o
  209. endif
  210. # The byte offset of the kernel image in RAM from the start of RAM.
  211. TEXT_OFFSET := $(textofs-y)
  212. # The first directory contains additional information for the boot setup code
  213. ifneq ($(machine-y),)
  214. MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
  215. else
  216. MACHINE :=
  217. endif
  218. ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
  219. MACHINE :=
  220. endif
  221. machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  222. platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
  223. ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
  224. ifeq ($(KBUILD_SRC),)
  225. KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
  226. else
  227. KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
  228. endif
  229. endif
  230. export TEXT_OFFSET GZFLAGS MMUEXT
  231. # Do we have FASTFPE?
  232. FASTFPE :=arch/arm/fastfpe
  233. ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
  234. FASTFPE_OBJ :=$(FASTFPE)/
  235. endif
  236. core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
  237. core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
  238. core-$(CONFIG_VFP) += arch/arm/vfp/
  239. core-$(CONFIG_XEN) += arch/arm/xen/
  240. core-$(CONFIG_KVM_ARM_HOST) += arch/arm/kvm/
  241. # If we have a machine-specific directory, then include it in the build.
  242. core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
  243. core-y += arch/arm/net/
  244. core-y += arch/arm/crypto/
  245. core-y += arch/arm/firmware/
  246. core-y += $(machdirs) $(platdirs)
  247. drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
  248. libs-y := arch/arm/lib/ $(libs-y)
  249. # Default target when executing plain make
  250. ifeq ($(CONFIG_XIP_KERNEL),y)
  251. KBUILD_IMAGE := xipImage
  252. else ifeq ($(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE),y)
  253. KBUILD_IMAGE := zImage-dtb
  254. else
  255. KBUILD_IMAGE := zImage
  256. endif
  257. # Build the DT binary blobs if we have OF configured
  258. ifeq ($(CONFIG_USE_OF),y)
  259. KBUILD_DTBS := dtbs
  260. endif
  261. all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
  262. MTK_PLATFORM := $(CONFIG_MTK_PLATFORM:"%"=%)
  263. MTK_PROJECT := $(CONFIG_ARCH_MTK_PROJECT:"%"=%)
  264. export MTK_PLATFORM MTK_PROJECT MTK_TARGET_PROJECT
  265. KBUILD_CPPFLAGS += -I$(srctree)/drivers/misc/mediatek/include/mt-plat/$(MTK_PLATFORM)/include
  266. KBUILD_CPPFLAGS += -I$(srctree)/arch/arm/mach-mediatek/include/
  267. -include $(srctree)/scripts/drvgen/drvgen.mk
  268. archprepare: $(DRVGEN_FILE_LIST)
  269. dtbs: $(DRVGEN_FILE_LIST)
  270. boot := arch/arm/boot
  271. archprepare:
  272. $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
  273. # Convert bzImage to zImage
  274. bzImage: zImage
  275. BOOT_TARGETS = zImage Image xipImage bootpImage uImage
  276. INSTALL_TARGETS = zinstall uinstall install
  277. PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
  278. $(BOOT_TARGETS): vmlinux
  279. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  280. $(INSTALL_TARGETS):
  281. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  282. %.dtb: | scripts
  283. $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
  284. PHONY += dtbs dtbs_install
  285. dtbs dtbs_install: prepare scripts
  286. $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $@
  287. zImage-dtb: vmlinux scripts dtbs
  288. $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  289. # We use MRPROPER_FILES and CLEAN_FILES now
  290. archclean:
  291. $(Q)$(MAKE) $(clean)=$(boot)
  292. # My testing targets (bypasses dependencies)
  293. bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
  294. i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
  295. define archhelp
  296. echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  297. echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  298. echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
  299. echo ' uImage - U-Boot wrapped zImage'
  300. echo ' bootpImage - Combined zImage and initial RAM disk'
  301. echo ' (supply initrd image via make variable INITRD=<path>)'
  302. echo '* dtbs - Build device tree blobs for enabled boards'
  303. echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
  304. echo ' install - Install uncompressed kernel'
  305. echo ' zinstall - Install compressed kernel'
  306. echo ' uinstall - Install U-Boot wrapped compressed kernel'
  307. echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
  308. echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
  309. echo ' install to $$(INSTALL_PATH) and run lilo'
  310. endef