Makefile.spl 9.3 KB

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  1. #
  2. # (C) Copyright 2000-2011
  3. # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. #
  5. # (C) Copyright 2011
  6. # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
  7. #
  8. # (C) Copyright 2011
  9. # Texas Instruments Incorporated - http://www.ti.com/
  10. # Aneesh V <aneesh@ti.com>
  11. #
  12. # SPDX-License-Identifier: GPL-2.0+
  13. #
  14. # Based on top-level Makefile.
  15. #
  16. src := $(obj)
  17. # Create output directory if not already present
  18. _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
  19. include $(srctree)/scripts/Kbuild.include
  20. -include include/config/auto.conf
  21. -include $(obj)/include/autoconf.mk
  22. KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  23. ifeq ($(CONFIG_TPL_BUILD),y)
  24. KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  25. endif
  26. ifeq ($(CONFIG_TPL_BUILD),y)
  27. SPL_BIN := u-boot-tpl
  28. else
  29. SPL_BIN := u-boot-spl
  30. endif
  31. include $(srctree)/config.mk
  32. include $(srctree)/arch/$(ARCH)/Makefile
  33. # Enable garbage collection of un-used sections for SPL
  34. KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  35. LDFLAGS_FINAL += --gc-sections
  36. # FIX ME
  37. cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  38. $(NOSTDINC_FLAGS)
  39. c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  40. HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  41. libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  42. libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  43. libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  44. libs-y += common/init/
  45. # Special handling for a few options which support SPL/TPL
  46. ifeq ($(CONFIG_TPL_BUILD),y)
  47. libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/
  48. libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  49. else
  50. libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
  51. libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  52. endif
  53. libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  54. libs-y += drivers/
  55. libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
  56. libs-y += dts/
  57. libs-y += fs/
  58. libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  59. libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  60. head-y := $(addprefix $(obj)/,$(head-y))
  61. libs-y := $(addprefix $(obj)/,$(libs-y))
  62. u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
  63. libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  64. # Add GCC lib
  65. ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  66. PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  67. PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
  68. endif
  69. u-boot-spl-init := $(head-y)
  70. u-boot-spl-main := $(libs-y)
  71. ifdef CONFIG_SPL_OF_PLATDATA
  72. u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
  73. endif
  74. # Linker Script
  75. ifdef CONFIG_SPL_LDSCRIPT
  76. # need to strip off double quotes
  77. LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
  78. endif
  79. ifeq ($(wildcard $(LDSCRIPT)),)
  80. LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
  81. endif
  82. ifeq ($(wildcard $(LDSCRIPT)),)
  83. LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
  84. endif
  85. ifeq ($(wildcard $(LDSCRIPT)),)
  86. LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
  87. endif
  88. ifeq ($(wildcard $(LDSCRIPT)),)
  89. $(error could not find linker script)
  90. endif
  91. # Special flags for CPP when processing the linker script.
  92. # Pass the version down so we can handle backwards compatibility
  93. # on the fly.
  94. LDPPFLAGS += \
  95. -include $(srctree)/include/u-boot/u-boot.lds.h \
  96. -include $(objtree)/include/config.h \
  97. -DCPUDIR=$(CPUDIR) \
  98. $(shell $(LD) --version | \
  99. sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
  100. MKIMAGEOUTPUT ?= /dev/null
  101. quiet_cmd_mkimage = MKIMAGE $@
  102. cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
  103. $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
  104. MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
  105. MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
  106. MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
  107. $(call if_changed,mkimage)
  108. ifeq ($(CONFIG_SYS_SOC),"at91")
  109. MKIMAGEFLAGS_boot.bin = -T atmelimage
  110. ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
  111. MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
  112. boot.bin: $(obj)/../tools/atmel_pmecc_params
  113. endif
  114. boot.bin: $(obj)/u-boot-spl.bin FORCE
  115. $(call if_changed,mkimage)
  116. else
  117. ifdef CONFIG_ARCH_ZYNQ
  118. MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
  119. endif
  120. ifdef CONFIG_ARCH_ZYNQMP
  121. MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
  122. endif
  123. spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
  124. $(call if_changed,mkimage)
  125. endif
  126. ALL-y += $(obj)/$(SPL_BIN).bin
  127. ifdef CONFIG_SAMSUNG
  128. ALL-y += $(obj)/$(BOARD)-spl.bin
  129. endif
  130. ifdef CONFIG_ARCH_SOCFPGA
  131. ALL-y += $(obj)/$(SPL_BIN).sfp
  132. endif
  133. ifdef CONFIG_ARCH_SUNXI
  134. ALL-y += $(obj)/sunxi-spl.bin
  135. endif
  136. ifeq ($(CONFIG_SYS_SOC),"at91")
  137. ALL-y += boot.bin
  138. endif
  139. ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
  140. ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
  141. all: $(ALL-y)
  142. quiet_cmd_cat = CAT $@
  143. cmd_cat = cat $(filter-out $(PHONY), $^) > $@
  144. quiet_cmd_copy = COPY $@
  145. cmd_copy = cp $< $@
  146. ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy)
  147. $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \
  148. $(obj)/$(SPL_BIN).dtb FORCE
  149. $(call if_changed,cat)
  150. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
  151. $(call if_changed,copy)
  152. else
  153. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
  154. $(call if_changed,copy)
  155. endif
  156. # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
  157. $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
  158. @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
  159. dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
  160. # Pass the original device tree file through fdtgrep twice. The first pass
  161. # removes any unwanted nodes (i.e. those which don't have the
  162. # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
  163. # pass removes various unused properties from the remaining nodes.
  164. # The output is typically a much smaller device tree file.
  165. quiet_cmd_fdtgrep = FDTGREP $@
  166. cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \
  167. -n /chosen -O dtb | \
  168. $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
  169. $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
  170. $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
  171. $(call if_changed,fdtgrep)
  172. pythonpath = PYTHONPATH=tools
  173. quiet_cmd_dtocc = DTOC C $@
  174. cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
  175. quiet_cmd_dtoch = DTOC H $@
  176. cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
  177. quiet_cmd_plat = PLAT $@
  178. cmd_plat = $(CC) $(c_flags) -c $< -o $@
  179. $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
  180. $(call if_changed,plat)
  181. PHONY += dts_dir
  182. dts_dir:
  183. $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
  184. include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
  185. $(call if_changed,dtoch)
  186. $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
  187. $(call if_changed,dtocc)
  188. dtoc: #$(objtree)/tools/_libfdt.so
  189. ifdef CONFIG_SAMSUNG
  190. ifdef CONFIG_VAR_SIZE_SPL
  191. VAR_SIZE_PARAM = --vs
  192. else
  193. VAR_SIZE_PARAM =
  194. endif
  195. $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
  196. $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
  197. $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
  198. $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
  199. endif
  200. quiet_cmd_objcopy = OBJCOPY $@
  201. cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
  202. OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary
  203. $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
  204. $(call if_changed,objcopy)
  205. LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
  206. ifneq ($(CONFIG_SPL_TEXT_BASE),)
  207. LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
  208. endif
  209. MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
  210. $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
  211. $(call if_changed,mkimage)
  212. quiet_cmd_mksunxiboot = MKSUNXI $@
  213. cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
  214. $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
  215. $(call if_changed,mksunxiboot)
  216. # Rule to link u-boot-spl
  217. # May be overridden by arch/$(ARCH)/config.mk
  218. quiet_cmd_u-boot-spl ?= LD $@
  219. cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
  220. $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
  221. $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
  222. $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
  223. --end-group \
  224. $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
  225. $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
  226. $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
  227. $(call if_changed,u-boot-spl)
  228. $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
  229. PHONY += $(u-boot-spl-dirs)
  230. $(u-boot-spl-dirs): $(u-boot-spl-platdata)
  231. $(Q)$(MAKE) $(build)=$@
  232. quiet_cmd_cpp_lds = LDS $@
  233. cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
  234. -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
  235. $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
  236. $(call if_changed_dep,cpp_lds)
  237. # read all saved command lines
  238. targets := $(wildcard $(sort $(targets)))
  239. cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  240. ifneq ($(cmd_files),)
  241. $(cmd_files): ; # Do not try to update included dependency files
  242. include $(cmd_files)
  243. endif
  244. PHONY += FORCE
  245. FORCE:
  246. # Declare the contents of the .PHONY variable as phony. We keep that
  247. # information in a variable so we can use it in if_changed and friends.
  248. .PHONY: $(PHONY)