Makefile.spl 8.1 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. HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  40. libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  41. libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  42. libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  43. libs-y += common/init/
  44. libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
  45. libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  46. libs-y += drivers/
  47. libs-y += dts/
  48. libs-y += fs/
  49. libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  50. libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  51. libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  52. head-y := $(addprefix $(obj)/,$(head-y))
  53. libs-y := $(addprefix $(obj)/,$(libs-y))
  54. u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
  55. libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  56. # Add GCC lib
  57. ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  58. PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  59. PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
  60. endif
  61. u-boot-spl-init := $(head-y)
  62. u-boot-spl-main := $(libs-y)
  63. # Linker Script
  64. ifdef CONFIG_SPL_LDSCRIPT
  65. # need to strip off double quotes
  66. LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
  67. endif
  68. ifeq ($(wildcard $(LDSCRIPT)),)
  69. LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
  70. endif
  71. ifeq ($(wildcard $(LDSCRIPT)),)
  72. LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
  73. endif
  74. ifeq ($(wildcard $(LDSCRIPT)),)
  75. LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
  76. endif
  77. ifeq ($(wildcard $(LDSCRIPT)),)
  78. $(error could not find linker script)
  79. endif
  80. # Special flags for CPP when processing the linker script.
  81. # Pass the version down so we can handle backwards compatibility
  82. # on the fly.
  83. LDPPFLAGS += \
  84. -include $(srctree)/include/u-boot/u-boot.lds.h \
  85. -include $(objtree)/include/config.h \
  86. -DCPUDIR=$(CPUDIR) \
  87. $(shell $(LD) --version | \
  88. sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
  89. quiet_cmd_mkimage = MKIMAGE $@
  90. cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
  91. $(if $(KBUILD_VERBOSE:1=), >/dev/null)
  92. MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
  93. MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
  94. MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
  95. $(call if_changed,mkimage)
  96. ifeq ($(CONFIG_SYS_SOC),"at91")
  97. MKIMAGEFLAGS_boot.bin = -T atmelimage
  98. ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
  99. MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
  100. boot.bin: $(obj)/../tools/atmel_pmecc_params
  101. endif
  102. boot.bin: $(obj)/u-boot-spl.bin FORCE
  103. $(call if_changed,mkimage)
  104. else
  105. ifdef CONFIG_ARCH_ZYNQ
  106. MKIMAGEFLAGS_boot.bin = -T zynqimage
  107. endif
  108. ifdef CONFIG_ARCH_ZYNQMP
  109. MKIMAGEFLAGS_boot.bin = -T zynqmpimage
  110. endif
  111. spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
  112. $(call if_changed,mkimage)
  113. endif
  114. ALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg
  115. ifdef CONFIG_SAMSUNG
  116. ALL-y += $(obj)/$(BOARD)-spl.bin
  117. endif
  118. ifdef CONFIG_ARCH_SOCFPGA
  119. ALL-y += $(obj)/$(SPL_BIN).sfp
  120. endif
  121. ifdef CONFIG_SUNXI
  122. ALL-y += $(obj)/sunxi-spl.bin
  123. endif
  124. ifeq ($(CONFIG_SYS_SOC),"at91")
  125. ALL-y += boot.bin
  126. endif
  127. ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
  128. ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
  129. all: $(ALL-y)
  130. quiet_cmd_cat = CAT $@
  131. cmd_cat = cat $(filter-out $(PHONY), $^) > $@
  132. quiet_cmd_copy = COPY $@
  133. cmd_copy = cp $< $@
  134. ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE),yy)
  135. $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \
  136. $(obj)/$(SPL_BIN).dtb FORCE
  137. $(call if_changed,cat)
  138. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
  139. $(call if_changed,copy)
  140. else
  141. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
  142. $(call if_changed,copy)
  143. endif
  144. # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
  145. $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
  146. @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
  147. dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
  148. # Pass the original device tree file through fdtgrep twice. The first pass
  149. # removes any unwanted nodes (i.e. those which don't have the
  150. # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
  151. # pass removes various unused properties from the remaining nodes.
  152. # The output is typically a much smaller device tree file.
  153. quiet_cmd_fdtgrep = FDTGREP $@
  154. cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \
  155. -n /chosen -O dtb | \
  156. $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
  157. $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
  158. $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
  159. $(call if_changed,fdtgrep)
  160. quiet_cmd_cpp_cfg = CFG $@
  161. cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
  162. -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
  163. $(obj)/$(SPL_BIN).cfg: include/config.h FORCE
  164. $(call if_changed,cpp_cfg)
  165. ifdef CONFIG_SAMSUNG
  166. ifdef CONFIG_VAR_SIZE_SPL
  167. VAR_SIZE_PARAM = --vs
  168. else
  169. VAR_SIZE_PARAM =
  170. endif
  171. $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
  172. $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
  173. $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
  174. $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
  175. endif
  176. quiet_cmd_objcopy = OBJCOPY $@
  177. cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
  178. OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary
  179. $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
  180. $(call if_changed,objcopy)
  181. LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
  182. ifneq ($(CONFIG_SPL_TEXT_BASE),)
  183. LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
  184. endif
  185. MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
  186. $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
  187. $(call if_changed,mkimage)
  188. quiet_cmd_mksunxiboot = MKSUNXI $@
  189. cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
  190. $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
  191. $(call if_changed,mksunxiboot)
  192. quiet_cmd_u-boot-spl = LD $@
  193. cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
  194. $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
  195. $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
  196. $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
  197. $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
  198. $(call if_changed,u-boot-spl)
  199. $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
  200. PHONY += $(u-boot-spl-dirs)
  201. $(u-boot-spl-dirs):
  202. $(Q)$(MAKE) $(build)=$@
  203. quiet_cmd_cpp_lds = LDS $@
  204. cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
  205. -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
  206. $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
  207. $(call if_changed_dep,cpp_lds)
  208. # read all saved command lines
  209. targets := $(wildcard $(sort $(targets)))
  210. cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  211. ifneq ($(cmd_files),)
  212. $(cmd_files): ; # Do not try to update included dependency files
  213. include $(cmd_files)
  214. endif
  215. PHONY += FORCE
  216. FORCE:
  217. # Declare the contents of the .PHONY variable as phony. We keep that
  218. # information in a variable so we can use it in if_changed and friends.
  219. .PHONY: $(PHONY)