Makefile 24 KB

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  1. #
  2. # SPDX-License-Identifier: BSD-2-Clause
  3. #
  4. # Copyright (c) 2019 Western Digital Corporation or its affiliates.
  5. #
  6. # Authors:
  7. # Anup Patel <anup.patel@wdc.com>
  8. #
  9. # Select Make Options:
  10. # o Do not use make's built-in rules
  11. # o Do not print "Entering directory ...";
  12. MAKEFLAGS += -r --no-print-directory
  13. # Readlink -f requires GNU readlink
  14. ifeq ($(shell uname -s),Darwin)
  15. READLINK ?= greadlink
  16. else
  17. READLINK ?= readlink
  18. endif
  19. # Find out source, build, and install directories
  20. src_dir=$(CURDIR)
  21. ifdef O
  22. build_dir=$(shell $(READLINK) -f $(O))
  23. else
  24. build_dir=$(CURDIR)/build
  25. endif
  26. ifeq ($(build_dir),$(CURDIR))
  27. $(error Build directory is same as source directory.)
  28. endif
  29. install_root_dir_default=$(CURDIR)/install
  30. ifdef I
  31. install_root_dir=$(shell $(READLINK) -f $(I))
  32. else
  33. install_root_dir=$(install_root_dir_default)/usr
  34. endif
  35. ifeq ($(install_root_dir),$(CURDIR))
  36. $(error Install root directory is same as source directory.)
  37. endif
  38. ifeq ($(install_root_dir),$(build_dir))
  39. $(error Install root directory is same as build directory.)
  40. endif
  41. ifdef PLATFORM_DIR
  42. platform_dir_path=$(shell $(READLINK) -f $(PLATFORM_DIR))
  43. ifdef PLATFORM
  44. platform_parent_dir=$(platform_dir_path)
  45. else
  46. PLATFORM=$(shell basename $(platform_dir_path))
  47. platform_parent_dir=$(shell realpath ${platform_dir_path}/..)
  48. endif
  49. else
  50. platform_parent_dir=$(src_dir)/platform
  51. endif
  52. ifndef PLATFORM_DEFCONFIG
  53. PLATFORM_DEFCONFIG=defconfig
  54. endif
  55. # Check if verbosity is ON for build process
  56. CMD_PREFIX_DEFAULT := @
  57. ifeq ($(V), 1)
  58. CMD_PREFIX :=
  59. else
  60. CMD_PREFIX := $(CMD_PREFIX_DEFAULT)
  61. endif
  62. # Setup path of directories
  63. export platform_subdir=$(PLATFORM)
  64. export platform_src_dir=$(platform_parent_dir)/$(platform_subdir)
  65. export platform_build_dir=$(build_dir)/platform/$(platform_subdir)
  66. export include_dir=$(CURDIR)/include
  67. export libsbi_dir=$(CURDIR)/lib/sbi
  68. export libsbiutils_dir=$(CURDIR)/lib/utils
  69. export firmware_dir=$(CURDIR)/firmware
  70. # Setup variables for kconfig
  71. ifdef PLATFORM
  72. export PYTHONDONTWRITEBYTECODE=1
  73. export KCONFIG_DIR=$(platform_build_dir)/kconfig
  74. export KCONFIG_AUTOLIST=$(KCONFIG_DIR)/auto.list
  75. export KCONFIG_AUTOHEADER=$(KCONFIG_DIR)/autoconf.h
  76. export KCONFIG_AUTOCMD=$(KCONFIG_DIR)/auto.conf.cmd
  77. export KCONFIG_CONFIG=$(KCONFIG_DIR)/.config
  78. # Additional exports for include paths in Kconfig files
  79. export OPENSBI_SRC_DIR=$(src_dir)
  80. export OPENSBI_PLATFORM=$(PLATFORM)
  81. export OPENSBI_PLATFORM_SRC_DIR=$(platform_src_dir)
  82. endif
  83. # Find library version
  84. OPENSBI_VERSION_MAJOR=`grep "define OPENSBI_VERSION_MAJOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MAJOR.*\([0-9][0-9]*\)/\1/'`
  85. OPENSBI_VERSION_MINOR=`grep "define OPENSBI_VERSION_MINOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MINOR.*\([0-9][0-9]*\)/\1/'`
  86. OPENSBI_VERSION_GIT=$(shell if [ -d $(src_dir)/.git ]; then git describe 2> /dev/null; fi)
  87. # Setup compilation commands
  88. ifneq ($(LLVM),)
  89. CC = clang
  90. AR = llvm-ar
  91. LD = ld.lld
  92. OBJCOPY = llvm-objcopy
  93. else
  94. ifdef CROSS_COMPILE
  95. CC = $(CROSS_COMPILE)gcc
  96. AR = $(CROSS_COMPILE)ar
  97. LD = $(CROSS_COMPILE)ld
  98. OBJCOPY = $(CROSS_COMPILE)objcopy
  99. else
  100. CC ?= gcc
  101. AR ?= ar
  102. LD ?= ld
  103. OBJCOPY ?= objcopy
  104. endif
  105. endif
  106. CPP = $(CC) -E
  107. AS = $(CC)
  108. DTC = dtc
  109. ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
  110. CC_IS_CLANG = y
  111. else
  112. CC_IS_CLANG = n
  113. endif
  114. ifneq ($(shell $(LD) --version 2>&1 | head -n 1 | grep LLD),)
  115. LD_IS_LLD = y
  116. else
  117. LD_IS_LLD = n
  118. endif
  119. ifeq ($(CC_IS_CLANG),y)
  120. ifneq ($(CROSS_COMPILE),)
  121. CLANG_TARGET = --target=$(notdir $(CROSS_COMPILE:%-=%))
  122. endif
  123. endif
  124. # Guess the compiler's XLEN
  125. OPENSBI_CC_XLEN := $(shell TMP=`$(CC) $(CLANG_TARGET) -dumpmachine | sed 's/riscv\([0-9][0-9]\).*/\1/'`; echo $${TMP})
  126. # Guess the compiler's ABI and ISA
  127. ifneq ($(CC_IS_CLANG),y)
  128. OPENSBI_CC_ABI := $(shell TMP=`$(CC) -v 2>&1 | sed -n 's/.*\(with\-abi=\([a-zA-Z0-9]*\)\).*/\2/p'`; echo $${TMP})
  129. OPENSBI_CC_ISA := $(shell TMP=`$(CC) -v 2>&1 | sed -n 's/.*\(with\-arch=\([a-zA-Z0-9]*\)\).*/\2/p'`; echo $${TMP})
  130. endif
  131. # Setup platform XLEN
  132. ifndef PLATFORM_RISCV_XLEN
  133. ifeq ($(OPENSBI_CC_XLEN), 32)
  134. PLATFORM_RISCV_XLEN = 32
  135. else
  136. PLATFORM_RISCV_XLEN = 64
  137. endif
  138. endif
  139. ifeq ($(CC_IS_CLANG),y)
  140. ifeq ($(CROSS_COMPILE),)
  141. CLANG_TARGET = --target=riscv$(PLATFORM_RISCV_XLEN)-unknown-elf
  142. endif
  143. endif
  144. ifeq ($(LD_IS_LLD),y)
  145. RELAX_FLAG = -mno-relax
  146. USE_LD_FLAG = -fuse-ld=lld
  147. else
  148. USE_LD_FLAG = -fuse-ld=bfd
  149. endif
  150. # Check whether the linker supports creating PIEs
  151. OPENSBI_LD_PIE := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) $(USE_LD_FLAG) -fPIE -nostdlib -Wl,-pie -x c /dev/null -o /dev/null >/dev/null 2>&1 && echo y || echo n)
  152. # Check whether the compiler supports -m(no-)save-restore
  153. CC_SUPPORT_SAVE_RESTORE := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -mno-save-restore -x c /dev/null -o /dev/null 2>&1 | grep "\-save\-restore" >/dev/null && echo n || echo y)
  154. # Check whether the assembler and the compiler support the Zicsr and Zifencei extensions
  155. CC_SUPPORT_ZICSR_ZIFENCEI := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -march=rv$(OPENSBI_CC_XLEN)imafd_zicsr_zifencei -x c /dev/null -o /dev/null 2>&1 | grep "zicsr\|zifencei" > /dev/null && echo n || echo y)
  156. # Build Info:
  157. # OPENSBI_BUILD_TIME_STAMP -- the compilation time stamp
  158. # OPENSBI_BUILD_COMPILER_VERSION -- the compiler version info
  159. BUILD_INFO ?= n
  160. ifeq ($(BUILD_INFO),y)
  161. OPENSBI_BUILD_DATE_FMT = +%Y-%m-%d %H:%M:%S %z
  162. ifdef SOURCE_DATE_EPOCH
  163. OPENSBI_BUILD_TIME_STAMP ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" \
  164. "$(OPENSBI_BUILD_DATE_FMT)" 2>/dev/null || \
  165. date -u -r "$(SOURCE_DATE_EPOCH)" \
  166. "$(OPENSBI_BUILD_DATE_FMT)" 2>/dev/null || \
  167. date -u "$(OPENSBI_BUILD_DATE_FMT)")
  168. else
  169. OPENSBI_BUILD_TIME_STAMP ?= $(shell date "$(OPENSBI_BUILD_DATE_FMT)")
  170. endif
  171. OPENSBI_BUILD_COMPILER_VERSION=$(shell $(CC) -v 2>&1 | grep ' version ' | \
  172. sed 's/[[:space:]]*$$//')
  173. endif
  174. # Setup list of objects.mk files
  175. ifdef PLATFORM
  176. platform-object-mks=$(shell if [ -d $(platform_src_dir)/ ]; then find $(platform_src_dir) -iname "objects.mk" | sort -r; fi)
  177. endif
  178. libsbi-object-mks=$(shell if [ -d $(libsbi_dir) ]; then find $(libsbi_dir) -iname "objects.mk" | sort -r; fi)
  179. libsbiutils-object-mks=$(shell if [ -d $(libsbiutils_dir) ]; then find $(libsbiutils_dir) -iname "objects.mk" | sort -r; fi)
  180. firmware-object-mks=$(shell if [ -d $(firmware_dir) ]; then find $(firmware_dir) -iname "objects.mk" | sort -r; fi)
  181. # The "make all" rule should always be first rule
  182. .PHONY: all
  183. all:
  184. # Include platform specific .config
  185. ifdef PLATFORM
  186. .PHONY: menuconfig
  187. menuconfig: $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
  188. $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
  189. $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/menuconfig.py $(src_dir)/Kconfig
  190. $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/genconfig.py --header-path $(KCONFIG_AUTOHEADER) --sync-deps $(KCONFIG_DIR) --file-list $(KCONFIG_AUTOLIST) $(src_dir)/Kconfig
  191. .PHONY: savedefconfig
  192. savedefconfig: $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
  193. $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
  194. $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/savedefconfig.py --kconfig $(src_dir)/Kconfig --out $(KCONFIG_DIR)/defconfig
  195. $(KCONFIG_CONFIG): $(platform_src_dir)/configs/$(PLATFORM_DEFCONFIG) $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
  196. $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
  197. $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/defconfig.py --kconfig $(src_dir)/Kconfig $(platform_src_dir)/configs/$(PLATFORM_DEFCONFIG)
  198. $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/genconfig.py --header-path $(KCONFIG_AUTOHEADER) --sync-deps $(KCONFIG_DIR) --file-list $(KCONFIG_AUTOLIST) $(src_dir)/Kconfig
  199. $(KCONFIG_AUTOCMD): $(KCONFIG_CONFIG)
  200. $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
  201. $(CMD_PREFIX)printf "%s: " $(KCONFIG_CONFIG) > $(KCONFIG_AUTOCMD)
  202. $(CMD_PREFIX)cat $(KCONFIG_AUTOLIST) | tr '\n' ' ' >> $(KCONFIG_AUTOCMD)
  203. include $(KCONFIG_CONFIG)
  204. include $(KCONFIG_AUTOCMD)
  205. endif
  206. # Include all objects.mk files
  207. ifdef PLATFORM
  208. include $(platform-object-mks)
  209. endif
  210. include $(libsbi-object-mks)
  211. include $(libsbiutils-object-mks)
  212. include $(firmware-object-mks)
  213. # Setup list of objects
  214. libsbi-objs-path-y=$(foreach obj,$(libsbi-objs-y),$(build_dir)/lib/sbi/$(obj))
  215. ifdef PLATFORM
  216. libsbiutils-objs-path-y=$(foreach obj,$(libsbiutils-objs-y),$(platform_build_dir)/lib/utils/$(obj))
  217. platform-objs-path-y=$(foreach obj,$(platform-objs-y),$(platform_build_dir)/$(obj))
  218. firmware-bins-path-y=$(foreach bin,$(firmware-bins-y),$(platform_build_dir)/firmware/$(bin))
  219. endif
  220. firmware-elfs-path-y=$(firmware-bins-path-y:.bin=.elf)
  221. firmware-objs-path-y=$(firmware-bins-path-y:.bin=.o)
  222. # Setup list of deps files for objects
  223. deps-y=$(platform-objs-path-y:.o=.dep)
  224. deps-y+=$(libsbi-objs-path-y:.o=.dep)
  225. deps-y+=$(libsbiutils-objs-path-y:.o=.dep)
  226. deps-y+=$(firmware-objs-path-y:.o=.dep)
  227. # Setup platform ABI, ISA and Code Model
  228. ifndef PLATFORM_RISCV_ABI
  229. ifneq ($(PLATFORM_RISCV_TOOLCHAIN_DEFAULT), 1)
  230. ifeq ($(PLATFORM_RISCV_XLEN), 32)
  231. PLATFORM_RISCV_ABI = ilp$(PLATFORM_RISCV_XLEN)
  232. else
  233. PLATFORM_RISCV_ABI = lp$(PLATFORM_RISCV_XLEN)
  234. endif
  235. else
  236. PLATFORM_RISCV_ABI = $(OPENSBI_CC_ABI)
  237. endif
  238. endif
  239. ifndef PLATFORM_RISCV_ISA
  240. ifneq ($(PLATFORM_RISCV_TOOLCHAIN_DEFAULT), 1)
  241. ifeq ($(CC_SUPPORT_ZICSR_ZIFENCEI), y)
  242. PLATFORM_RISCV_ISA = rv$(PLATFORM_RISCV_XLEN)imafdc_zicsr_zifencei
  243. else
  244. PLATFORM_RISCV_ISA = rv$(PLATFORM_RISCV_XLEN)imafdc
  245. endif
  246. else
  247. PLATFORM_RISCV_ISA = $(OPENSBI_CC_ISA)
  248. endif
  249. endif
  250. ifndef PLATFORM_RISCV_CODE_MODEL
  251. PLATFORM_RISCV_CODE_MODEL = medany
  252. endif
  253. # Setup install directories
  254. ifdef INSTALL_INCLUDE_PATH
  255. install_include_path=$(INSTALL_INCLUDE_PATH)
  256. else
  257. install_include_path=include
  258. endif
  259. ifdef INSTALL_LIB_PATH
  260. install_lib_path=$(INSTALL_LIB_PATH)
  261. else
  262. ifneq ($(origin INSTALL_LIB_SUBDIR), undefined)
  263. install_lib_subdir=$(INSTALL_LIB_SUBDIR)
  264. else
  265. install_lib_subdir=$(PLATFORM_RISCV_ABI)
  266. endif
  267. install_lib_path=lib$(subst 32,,$(PLATFORM_RISCV_XLEN))/$(install_lib_subdir)
  268. endif
  269. ifdef INSTALL_FIRMWARE_PATH
  270. install_firmware_path=$(INSTALL_FIRMWARE_PATH)
  271. else
  272. install_firmware_path=share/opensbi/$(PLATFORM_RISCV_ABI)
  273. endif
  274. ifdef INSTALL_DOCS_PATH
  275. install_docs_path=$(INSTALL_DOCS_PATH)
  276. else
  277. install_docs_path=share/opensbi/docs
  278. endif
  279. # Setup compilation commands flags
  280. ifeq ($(CC_IS_CLANG),y)
  281. GENFLAGS += $(CLANG_TARGET)
  282. GENFLAGS += -Wno-unused-command-line-argument
  283. endif
  284. GENFLAGS += -I$(platform_src_dir)/include
  285. GENFLAGS += -I$(include_dir)
  286. ifneq ($(OPENSBI_VERSION_GIT),)
  287. GENFLAGS += -DOPENSBI_VERSION_GIT="\"$(OPENSBI_VERSION_GIT)\""
  288. endif
  289. ifeq ($(BUILD_INFO),y)
  290. GENFLAGS += -DOPENSBI_BUILD_TIME_STAMP="\"$(OPENSBI_BUILD_TIME_STAMP)\""
  291. GENFLAGS += -DOPENSBI_BUILD_COMPILER_VERSION="\"$(OPENSBI_BUILD_COMPILER_VERSION)\""
  292. endif
  293. ifdef PLATFORM
  294. GENFLAGS += -include $(KCONFIG_AUTOHEADER)
  295. endif
  296. GENFLAGS += $(libsbiutils-genflags-y)
  297. GENFLAGS += $(platform-genflags-y)
  298. GENFLAGS += $(firmware-genflags-y)
  299. CFLAGS = -g -Wall -Werror -ffreestanding -nostdlib -fno-stack-protector -fno-strict-aliasing -O2
  300. CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls -mstrict-align
  301. # enable -m(no-)save-restore option by CC_SUPPORT_SAVE_RESTORE
  302. ifeq ($(CC_SUPPORT_SAVE_RESTORE),y)
  303. CFLAGS += -mno-save-restore
  304. endif
  305. CFLAGS += -mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
  306. CFLAGS += -mcmodel=$(PLATFORM_RISCV_CODE_MODEL)
  307. CFLAGS += $(RELAX_FLAG)
  308. CFLAGS += $(GENFLAGS)
  309. CFLAGS += $(platform-cflags-y)
  310. CFLAGS += -fno-pie -no-pie
  311. CFLAGS += $(firmware-cflags-y)
  312. CPPFLAGS += $(GENFLAGS)
  313. CPPFLAGS += $(platform-cppflags-y)
  314. CPPFLAGS += $(firmware-cppflags-y)
  315. ASFLAGS = -g -Wall -nostdlib
  316. ASFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls -mstrict-align
  317. # enable -m(no-)save-restore option by CC_SUPPORT_SAVE_RESTORE
  318. ifeq ($(CC_SUPPORT_SAVE_RESTORE),y)
  319. ASFLAGS += -mno-save-restore
  320. endif
  321. ASFLAGS += -mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
  322. ASFLAGS += -mcmodel=$(PLATFORM_RISCV_CODE_MODEL)
  323. ASFLAGS += $(RELAX_FLAG)
  324. ifneq ($(CC_IS_CLANG),y)
  325. ifneq ($(RELAX_FLAG),)
  326. ASFLAGS += -Wa,$(RELAX_FLAG)
  327. endif
  328. endif
  329. ASFLAGS += $(GENFLAGS)
  330. ASFLAGS += $(platform-asflags-y)
  331. ASFLAGS += $(firmware-asflags-y)
  332. ARFLAGS = rcs
  333. ELFFLAGS += $(USE_LD_FLAG)
  334. ELFFLAGS += -Wl,--build-id=none -Wl,-N
  335. ELFFLAGS += $(platform-ldflags-y)
  336. ELFFLAGS += $(firmware-ldflags-y)
  337. MERGEFLAGS += -r
  338. ifeq ($(LD_IS_LLD),y)
  339. MERGEFLAGS += -b elf
  340. else
  341. MERGEFLAGS += -b elf$(PLATFORM_RISCV_XLEN)-littleriscv
  342. endif
  343. MERGEFLAGS += -m elf$(PLATFORM_RISCV_XLEN)lriscv
  344. DTSCPPFLAGS = $(CPPFLAGS) -nostdinc -nostdlib -fno-builtin -D__DTS__ -x assembler-with-cpp
  345. # Setup functions for compilation
  346. define dynamic_flags
  347. -I$(shell dirname $(2)) -D__OBJNAME__=$(subst -,_,$(shell basename $(1) .o))
  348. endef
  349. merge_objs = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  350. echo " MERGE $(subst $(build_dir)/,,$(1))"; \
  351. $(LD) $(MERGEFLAGS) $(2) -o $(1)
  352. merge_deps = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  353. echo " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \
  354. cat $(2) > $(1)
  355. copy_file = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  356. echo " COPY $(subst $(build_dir)/,,$(1))"; \
  357. cp -f $(2) $(1)
  358. inst_file = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  359. echo " INSTALL $(subst $(install_root_dir)/,,$(1))"; \
  360. cp -f $(2) $(1)
  361. inst_file_list = $(CMD_PREFIX)if [ ! -z "$(4)" ]; then \
  362. mkdir -p $(1)/$(3); \
  363. for file in $(4) ; do \
  364. rel_file=`echo $$file | sed -e 's@$(2)/$(subst $(install_firmware_path),platform,$(3))@@'`; \
  365. dest_file=$(1)"/"$(3)"/"`echo $$rel_file`; \
  366. dest_dir=`dirname $$dest_file`; \
  367. echo " INSTALL "$(3)"/"`echo $$rel_file`; \
  368. mkdir -p $$dest_dir; \
  369. cp -f $$file $$dest_file; \
  370. done \
  371. fi
  372. inst_header_dir = $(CMD_PREFIX)mkdir -p $(1); \
  373. echo " INSTALL $(subst $(install_root_dir)/,,$(1))"; \
  374. cp -rf $(2) $(1)
  375. compile_cpp = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  376. echo " CPP $(subst $(build_dir)/,,$(1))"; \
  377. $(CPP) $(CPPFLAGS) -x c $(2) | grep -v "\#" > $(1)
  378. compile_cc_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  379. echo " CC-DEP $(subst $(build_dir)/,,$(1))"; \
  380. printf %s `dirname $(1)`/ > $(1) && \
  381. $(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) \
  382. -MM $(2) >> $(1) || rm -f $(1)
  383. compile_cc = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  384. echo " CC $(subst $(build_dir)/,,$(1))"; \
  385. $(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
  386. compile_as_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  387. echo " AS-DEP $(subst $(build_dir)/,,$(1))"; \
  388. printf %s `dirname $(1)`/ > $(1) && \
  389. $(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) \
  390. -MM $(2) >> $(1) || rm -f $(1)
  391. compile_as = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  392. echo " AS $(subst $(build_dir)/,,$(1))"; \
  393. $(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
  394. compile_elf = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  395. echo " ELF $(subst $(build_dir)/,,$(1))"; \
  396. $(CC) $(CFLAGS) $(3) $(ELFFLAGS) -Wl,-T$(2) -o $(1)
  397. compile_ar = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  398. echo " AR $(subst $(build_dir)/,,$(1))"; \
  399. $(AR) $(ARFLAGS) $(1) $(2)
  400. compile_objcopy = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  401. echo " OBJCOPY $(subst $(build_dir)/,,$(1))"; \
  402. $(OBJCOPY) -S -O binary $(2) $(1)
  403. compile_dts = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  404. echo " DTC $(subst $(build_dir)/,,$(1))"; \
  405. $(CPP) $(DTSCPPFLAGS) $(2) | $(DTC) -O dtb -i `dirname $(2)` -o $(1)
  406. compile_d2c = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  407. echo " D2C $(subst $(build_dir)/,,$(1))"; \
  408. $(if $($(2)-varalign-$(3)),$(eval D2C_ALIGN_BYTES := $($(2)-varalign-$(3))),$(eval D2C_ALIGN_BYTES := $(4))) \
  409. $(if $($(2)-varprefix-$(3)),$(eval D2C_NAME_PREFIX := $($(2)-varprefix-$(3))),$(eval D2C_NAME_PREFIX := $(5))) \
  410. $(if $($(2)-padding-$(3)),$(eval D2C_PADDING_BYTES := $($(2)-padding-$(3))),$(eval D2C_PADDING_BYTES := 0)) \
  411. $(src_dir)/scripts/d2c.sh -i $(6) -a $(D2C_ALIGN_BYTES) -p $(D2C_NAME_PREFIX) -t $(D2C_PADDING_BYTES) > $(1)
  412. compile_carray = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  413. echo " CARRAY $(subst $(build_dir)/,,$(1))"; \
  414. $(eval CARRAY_VAR_LIST := $(carray-$(subst .c,,$(shell basename $(1)))-y)) \
  415. $(src_dir)/scripts/carray.sh -i $(2) -l "$(CARRAY_VAR_LIST)" > $(1)
  416. compile_gen_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
  417. echo " GEN-DEP $(subst $(build_dir)/,,$(1))"; \
  418. echo "$(1:.dep=$(2)): $(3)" >> $(1)
  419. targets-y = $(build_dir)/lib/libsbi.a
  420. ifdef PLATFORM
  421. targets-y += $(platform_build_dir)/lib/libplatsbi.a
  422. endif
  423. targets-y += $(firmware-bins-path-y)
  424. # The default "make all" rule
  425. .PHONY: all
  426. all: $(targets-y)
  427. # Preserve all intermediate files
  428. .SECONDARY:
  429. # Rules for lib/sbi sources
  430. $(build_dir)/lib/libsbi.a: $(libsbi-objs-path-y)
  431. $(call compile_ar,$@,$^)
  432. $(platform_build_dir)/lib/libplatsbi.a: $(libsbi-objs-path-y) $(libsbiutils-objs-path-y) $(platform-objs-path-y)
  433. $(call compile_ar,$@,$^)
  434. $(build_dir)/%.dep: $(src_dir)/%.carray $(KCONFIG_CONFIG)
  435. $(call compile_gen_dep,$@,.c,$< $(KCONFIG_CONFIG))
  436. $(call compile_gen_dep,$@,.o,$(@:.dep=.c))
  437. $(build_dir)/%.c: $(src_dir)/%.carray
  438. $(call compile_carray,$@,$<)
  439. $(build_dir)/%.dep: $(src_dir)/%.c $(KCONFIG_CONFIG)
  440. $(call compile_cc_dep,$@,$<)
  441. $(build_dir)/%.o: $(src_dir)/%.c
  442. $(call compile_cc,$@,$<)
  443. $(build_dir)/%.o: $(build_dir)/%.c
  444. $(call compile_cc,$@,$<)
  445. ifeq ($(BUILD_INFO),y)
  446. $(build_dir)/lib/sbi/sbi_init.o: $(libsbi_dir)/sbi_init.c FORCE
  447. $(call compile_cc,$@,$<)
  448. endif
  449. $(build_dir)/%.dep: $(src_dir)/%.S $(KCONFIG_CONFIG)
  450. $(call compile_as_dep,$@,$<)
  451. $(build_dir)/%.o: $(src_dir)/%.S
  452. $(call compile_as,$@,$<)
  453. # Rules for platform sources
  454. $(platform_build_dir)/%.dep: $(platform_src_dir)/%.carray $(KCONFIG_CONFIG)
  455. $(call compile_gen_dep,$@,.c,$< $(KCONFIG_CONFIG))
  456. $(call compile_gen_dep,$@,.o,$(@:.dep=.c))
  457. $(platform_build_dir)/%.c: $(platform_src_dir)/%.carray
  458. $(call compile_carray,$@,$<)
  459. $(platform_build_dir)/%.dep: $(platform_src_dir)/%.c $(KCONFIG_CONFIG)
  460. $(call compile_cc_dep,$@,$<)
  461. $(platform_build_dir)/%.o: $(platform_src_dir)/%.c $(KCONFIG_CONFIG)
  462. $(call compile_cc,$@,$<)
  463. $(platform_build_dir)/%.dep: $(platform_src_dir)/%.S
  464. $(call compile_as_dep,$@,$<)
  465. $(platform_build_dir)/%.o: $(platform_src_dir)/%.S
  466. $(call compile_as,$@,$<)
  467. $(platform_build_dir)/%.dep: $(platform_src_dir)/%.dts $(KCONFIG_CONFIG)
  468. $(call compile_gen_dep,$@,.dtb,$< $(KCONFIG_CONFIG))
  469. $(call compile_gen_dep,$@,.c,$(@:.dep=.dtb))
  470. $(call compile_gen_dep,$@,.o,$(@:.dep=.c))
  471. $(platform_build_dir)/%.c: $(platform_build_dir)/%.dtb
  472. $(call compile_d2c,$@,platform,$(subst .dtb,.o,$(subst /,-,$(subst $(platform_build_dir)/,,$<))),16,dt,$<)
  473. $(platform_build_dir)/%.dtb: $(platform_src_dir)/%.dts
  474. $(call compile_dts,$@,$<)
  475. # Rules for lib/utils and firmware sources
  476. $(platform_build_dir)/%.bin: $(platform_build_dir)/%.elf
  477. $(call compile_objcopy,$@,$<)
  478. $(platform_build_dir)/%.elf: $(platform_build_dir)/%.o $(platform_build_dir)/%.elf.ld $(platform_build_dir)/lib/libplatsbi.a
  479. $(call compile_elf,$@,$@.ld,$< $(platform_build_dir)/lib/libplatsbi.a)
  480. $(platform_build_dir)/%.ld: $(src_dir)/%.ldS
  481. $(call compile_cpp,$@,$<)
  482. $(platform_build_dir)/%.dep: $(src_dir)/%.carray $(KCONFIG_CONFIG)
  483. $(call compile_gen_dep,$@,.c,$< $(KCONFIG_CONFIG))
  484. $(call compile_gen_dep,$@,.o,$(@:.dep=.c))
  485. $(platform_build_dir)/%.c: $(src_dir)/%.carray
  486. $(call compile_carray,$@,$<)
  487. $(platform_build_dir)/%.dep: $(src_dir)/%.c $(KCONFIG_CONFIG)
  488. $(call compile_cc_dep,$@,$<)
  489. $(platform_build_dir)/%.o: $(src_dir)/%.c
  490. $(call compile_cc,$@,$<)
  491. $(platform_build_dir)/%.dep: $(src_dir)/%.S $(KCONFIG_CONFIG)
  492. $(call compile_as_dep,$@,$<)
  493. $(platform_build_dir)/%.o: $(src_dir)/%.S
  494. $(call compile_as,$@,$<)
  495. # Rule for "make docs"
  496. $(build_dir)/docs/latex/refman.pdf: $(build_dir)/docs/latex/refman.tex
  497. $(CMD_PREFIX)mkdir -p $(build_dir)/docs
  498. $(CMD_PREFIX)$(MAKE) -C $(build_dir)/docs/latex
  499. $(build_dir)/docs/latex/refman.tex: $(build_dir)/docs/doxygen.cfg
  500. $(CMD_PREFIX)mkdir -p $(build_dir)/docs
  501. $(CMD_PREFIX)doxygen $(build_dir)/docs/doxygen.cfg
  502. $(build_dir)/docs/doxygen.cfg: $(src_dir)/docs/doxygen.cfg
  503. $(CMD_PREFIX)mkdir -p $(build_dir)/docs
  504. $(CMD_PREFIX)cat docs/doxygen.cfg | sed -e "s#@@SRC_DIR@@#$(src_dir)#" -e "s#@@BUILD_DIR@@#$(build_dir)#" -e "s#@@OPENSBI_MAJOR@@#$(OPENSBI_VERSION_MAJOR)#" -e "s#@@OPENSBI_MINOR@@#$(OPENSBI_VERSION_MINOR)#" > $(build_dir)/docs/doxygen.cfg
  505. .PHONY: docs
  506. docs: $(build_dir)/docs/latex/refman.pdf
  507. # Dependency files should only be included after default Makefile rules
  508. # They should not be included for any "xxxconfig" or "xxxclean" rule
  509. all-deps-1 = $(if $(findstring config,$(MAKECMDGOALS)),,$(deps-y))
  510. all-deps-2 = $(if $(findstring clean,$(MAKECMDGOALS)),,$(all-deps-1))
  511. -include $(all-deps-2)
  512. # Include external dependency of firmwares after default Makefile rules
  513. include $(src_dir)/firmware/external_deps.mk
  514. # Convenient "make run" command for emulated platforms
  515. .PHONY: run
  516. run: all
  517. ifneq ($(platform-runcmd),)
  518. $(platform-runcmd) $(RUN_ARGS)
  519. else
  520. ifdef PLATFORM
  521. @echo "Platform $(PLATFORM) doesn't specify a run command"
  522. @false
  523. else
  524. @echo Run command only available when targeting a platform
  525. @false
  526. endif
  527. endif
  528. install_targets-y = install_libsbi
  529. ifdef PLATFORM
  530. install_targets-y += install_libplatsbi
  531. install_targets-y += install_firmwares
  532. endif
  533. # Rule for "make install"
  534. .PHONY: install
  535. install: $(install_targets-y)
  536. .PHONY: install_libsbi
  537. install_libsbi: $(build_dir)/lib/libsbi.a
  538. $(call inst_header_dir,$(install_root_dir)/$(install_include_path),$(include_dir)/sbi)
  539. $(call inst_file,$(install_root_dir)/$(install_lib_path)/libsbi.a,$(build_dir)/lib/libsbi.a)
  540. .PHONY: install_libplatsbi
  541. install_libplatsbi: $(platform_build_dir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a
  542. $(call inst_file,$(install_root_dir)/$(install_lib_path)/opensbi/$(platform_subdir)/lib/libplatsbi.a,$(platform_build_dir)/lib/libplatsbi.a)
  543. .PHONY: install_firmwares
  544. install_firmwares: $(platform_build_dir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a $(firmware-bins-path-y)
  545. $(call inst_file_list,$(install_root_dir),$(build_dir),$(install_firmware_path)/$(platform_subdir)/firmware,$(firmware-elfs-path-y))
  546. $(call inst_file_list,$(install_root_dir),$(build_dir),$(install_firmware_path)/$(platform_subdir)/firmware,$(firmware-bins-path-y))
  547. .PHONY: install_docs
  548. install_docs: $(build_dir)/docs/latex/refman.pdf
  549. $(call inst_file,$(install_root_dir)/$(install_docs_path)/refman.pdf,$(build_dir)/docs/latex/refman.pdf)
  550. .PHONY: cscope
  551. cscope:
  552. $(CMD_PREFIX)find \
  553. "$(src_dir)/firmware" \
  554. "$(src_dir)/include" \
  555. "$(src_dir)/lib" \
  556. "$(platform_src_dir)" \
  557. -name "*.[chS]" -print > cscope.files
  558. $(CMD_PREFIX)echo "$(KCONFIG_AUTOHEADER)" >> cscope.files
  559. $(CMD_PREFIX)cscope -bkq -i cscope.files -f cscope.out
  560. # Rule for "make clean"
  561. .PHONY: clean
  562. clean:
  563. $(CMD_PREFIX)mkdir -p $(build_dir)
  564. $(if $(V), @echo " RM $(build_dir)/*.o")
  565. $(CMD_PREFIX)find $(build_dir) -type f -name "*.o" -exec rm -rf {} +
  566. $(if $(V), @echo " RM $(build_dir)/*.a")
  567. $(CMD_PREFIX)find $(build_dir) -type f -name "*.a" -exec rm -rf {} +
  568. $(if $(V), @echo " RM $(build_dir)/*.elf")
  569. $(CMD_PREFIX)find $(build_dir) -type f -name "*.elf" -exec rm -rf {} +
  570. $(if $(V), @echo " RM $(build_dir)/*.bin")
  571. $(CMD_PREFIX)find $(build_dir) -type f -name "*.bin" -exec rm -rf {} +
  572. $(if $(V), @echo " RM $(build_dir)/*.dtb")
  573. $(CMD_PREFIX)find $(build_dir) -type f -name "*.dtb" -exec rm -rf {} +
  574. # Rule for "make distclean"
  575. .PHONY: distclean
  576. distclean: clean
  577. $(CMD_PREFIX)mkdir -p $(build_dir)
  578. $(if $(V), @echo " RM $(build_dir)/*.dep")
  579. $(CMD_PREFIX)find $(build_dir) -type f -name "*.dep" -exec rm -rf {} +
  580. ifeq ($(build_dir),$(CURDIR)/build)
  581. $(if $(V), @echo " RM $(build_dir)")
  582. $(CMD_PREFIX)rm -rf $(build_dir)
  583. endif
  584. ifeq ($(install_root_dir),$(install_root_dir_default)/usr)
  585. $(if $(V), @echo " RM $(install_root_dir_default)")
  586. $(CMD_PREFIX)rm -rf $(install_root_dir_default)
  587. endif
  588. $(if $(V), @echo " RM $(src_dir)/cscope*")
  589. $(CMD_PREFIX)rm -f $(src_dir)/cscope*
  590. .PHONY: FORCE
  591. FORCE: