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@@ -52,6 +52,9 @@ ifdef PLATFORM_DIR
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else
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platform_parent_dir=$(src_dir)/platform
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endif
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+ifndef PLATFORM_DEFCONFIG
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+PLATFORM_DEFCONFIG=defconfig
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+endif
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# Check if verbosity is ON for build process
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CMD_PREFIX_DEFAULT := @
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@@ -70,6 +73,20 @@ export libsbi_dir=$(CURDIR)/lib/sbi
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export libsbiutils_dir=$(CURDIR)/lib/utils
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export firmware_dir=$(CURDIR)/firmware
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+# Setup variables for kconfig
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+ifdef PLATFORM
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+export PYTHONDONTWRITEBYTECODE=1
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+export KCONFIG_DIR=$(platform_build_dir)/kconfig
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+export KCONFIG_AUTOLIST=$(KCONFIG_DIR)/auto.list
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+export KCONFIG_AUTOHEADER=$(KCONFIG_DIR)/autoconf.h
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+export KCONFIG_AUTOCMD=$(KCONFIG_DIR)/auto.conf.cmd
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+export KCONFIG_CONFIG=$(KCONFIG_DIR)/.config
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+# Additional exports for include paths in Kconfig files
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+export OPENSBI_SRC_DIR=$(src_dir)
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+export OPENSBI_PLATFORM=$(PLATFORM)
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+export OPENSBI_PLATFORM_SRC_DIR=$(platform_src_dir)
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+endif
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+
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# Find library version
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OPENSBI_VERSION_MAJOR=`grep "define OPENSBI_VERSION_MAJOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MAJOR.*\([0-9][0-9]*\)/\1/'`
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OPENSBI_VERSION_MINOR=`grep "define OPENSBI_VERSION_MINOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MINOR.*\([0-9][0-9]*\)/\1/'`
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@@ -183,8 +200,36 @@ libsbi-object-mks=$(shell if [ -d $(libsbi_dir) ]; then find $(libsbi_dir) -inam
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libsbiutils-object-mks=$(shell if [ -d $(libsbiutils_dir) ]; then find $(libsbiutils_dir) -iname "objects.mk" | sort -r; fi)
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firmware-object-mks=$(shell if [ -d $(firmware_dir) ]; then find $(firmware_dir) -iname "objects.mk" | sort -r; fi)
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-# Include platform specifig config.mk
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+# The "make all" rule should always be first rule
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+.PHONY: all
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+all:
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+
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+# Include platform specific .config and config.mk
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ifdef PLATFORM
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+.PHONY: menuconfig
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+menuconfig: $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
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+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
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+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/menuconfig.py $(src_dir)/Kconfig
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+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/genconfig.py --header-path $(KCONFIG_AUTOHEADER) --sync-deps $(KCONFIG_DIR) --file-list $(KCONFIG_AUTOLIST) $(src_dir)/Kconfig
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+
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+.PHONY: savedefconfig
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+savedefconfig: $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
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+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
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+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/savedefconfig.py --kconfig $(src_dir)/Kconfig --out $(KCONFIG_DIR)/defconfig
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+
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+$(KCONFIG_CONFIG): $(platform_src_dir)/configs/$(PLATFORM_DEFCONFIG) $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
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+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
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+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/defconfig.py --kconfig $(src_dir)/Kconfig $(platform_src_dir)/configs/$(PLATFORM_DEFCONFIG)
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+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/genconfig.py --header-path $(KCONFIG_AUTOHEADER) --sync-deps $(KCONFIG_DIR) --file-list $(KCONFIG_AUTOLIST) $(src_dir)/Kconfig
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+
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+$(KCONFIG_AUTOCMD): $(KCONFIG_CONFIG)
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+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
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+ $(CMD_PREFIX)echo -n "$(KCONFIG_CONFIG): " > $(KCONFIG_AUTOCMD)
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+ $(CMD_PREFIX)cat $(KCONFIG_AUTOLIST) | tr '\n' ' ' >> $(KCONFIG_AUTOCMD)
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+
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+include $(KCONFIG_CONFIG)
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+include $(KCONFIG_AUTOCMD)
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+
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include $(platform_src_dir)/config.mk
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endif
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@@ -280,6 +325,9 @@ ifeq ($(BUILD_INFO),y)
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GENFLAGS += -DOPENSBI_BUILD_TIME_STAMP="\"$(OPENSBI_BUILD_TIME_STAMP)\""
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GENFLAGS += -DOPENSBI_BUILD_COMPILER_VERSION="\"$(OPENSBI_BUILD_COMPILER_VERSION)\""
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endif
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+ifdef PLATFORM
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+GENFLAGS += -include $(KCONFIG_AUTOHEADER)
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+endif
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GENFLAGS += $(libsbiutils-genflags-y)
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GENFLAGS += $(platform-genflags-y)
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GENFLAGS += $(firmware-genflags-y)
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@@ -419,7 +467,7 @@ targets-y += $(platform_build_dir)/lib/libplatsbi.a
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endif
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targets-y += $(firmware-bins-path-y)
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-# Default rule "make" should always be first rule
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+# The default "make all" rule
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.PHONY: all
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all: $(targets-y)
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@@ -435,7 +483,7 @@ $(build_dir)/lib/libsbiutils.a: $(libsbi-objs-path-y) $(libsbiutils-objs-path-y)
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$(platform_build_dir)/lib/libplatsbi.a: $(libsbi-objs-path-y) $(libsbiutils-objs-path-y) $(platform-objs-path-y)
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$(call compile_ar,$@,$^)
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-$(build_dir)/%.dep: $(src_dir)/%.c
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+$(build_dir)/%.dep: $(src_dir)/%.c $(KCONFIG_CONFIG)
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$(call compile_cc_dep,$@,$<)
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$(build_dir)/%.o: $(src_dir)/%.c
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@@ -449,14 +497,14 @@ $(build_dir)/lib/sbi/sbi_init.o: $(libsbi_dir)/sbi_init.c FORCE
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$(call compile_cc,$@,$<)
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endif
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-$(build_dir)/%.dep: $(src_dir)/%.S
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+$(build_dir)/%.dep: $(src_dir)/%.S $(KCONFIG_CONFIG)
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$(call compile_as_dep,$@,$<)
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$(build_dir)/%.o: $(src_dir)/%.S
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$(call compile_as,$@,$<)
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-$(build_dir)/%.dep: $(src_dir)/%.carray
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- $(call compile_gen_dep,$@,.c,$<)
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+$(build_dir)/%.dep: $(src_dir)/%.carray $(KCONFIG_CONFIG)
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+ $(call compile_gen_dep,$@,.c,$< $(KCONFIG_CONFIG))
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$(call compile_gen_dep,$@,.o,$(@:.dep=.c))
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$(build_dir)/%.c: $(src_dir)/%.carray
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@@ -471,10 +519,10 @@ $(platform_build_dir)/%.elf: $(platform_build_dir)/%.o $(platform_build_dir)/%.e
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$(platform_build_dir)/%.ld: $(src_dir)/%.ldS
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$(call compile_cpp,$@,$<)
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-$(platform_build_dir)/%.dep: $(platform_src_dir)/%.c
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+$(platform_build_dir)/%.dep: $(platform_src_dir)/%.c $(KCONFIG_CONFIG)
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$(call compile_cc_dep,$@,$<)
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-$(platform_build_dir)/%.o: $(platform_src_dir)/%.c
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+$(platform_build_dir)/%.o: $(platform_src_dir)/%.c $(KCONFIG_CONFIG)
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$(call compile_cc,$@,$<)
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$(platform_build_dir)/%.dep: $(platform_src_dir)/%.S
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@@ -483,8 +531,8 @@ $(platform_build_dir)/%.dep: $(platform_src_dir)/%.S
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$(platform_build_dir)/%.o: $(platform_src_dir)/%.S
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$(call compile_as,$@,$<)
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-$(platform_build_dir)/%.dep: $(platform_src_dir)/%.dts
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- $(call compile_gen_dep,$@,.dtb,$<)
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+$(platform_build_dir)/%.dep: $(platform_src_dir)/%.dts $(KCONFIG_CONFIG)
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+ $(call compile_gen_dep,$@,.dtb,$< $(KCONFIG_CONFIG))
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$(call compile_gen_dep,$@,.c,$(@:.dep=.dtb))
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$(call compile_gen_dep,$@,.o,$(@:.dep=.c))
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@@ -494,13 +542,13 @@ $(platform_build_dir)/%.c: $(platform_build_dir)/%.dtb
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$(platform_build_dir)/%.dtb: $(platform_src_dir)/%.dts
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$(call compile_dts,$@,$<)
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-$(platform_build_dir)/%.dep: $(src_dir)/%.c
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+$(platform_build_dir)/%.dep: $(src_dir)/%.c $(KCONFIG_CONFIG)
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$(call compile_cc_dep,$@,$<)
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$(platform_build_dir)/%.o: $(src_dir)/%.c
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$(call compile_cc,$@,$<)
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-$(platform_build_dir)/%.dep: $(src_dir)/%.S
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+$(platform_build_dir)/%.dep: $(src_dir)/%.S $(KCONFIG_CONFIG)
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$(call compile_as_dep,$@,$<)
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$(platform_build_dir)/%.o: $(src_dir)/%.S
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