Add KBOOT.
This commit is contained in:
László Monda
240
mk/targets.mk
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240
mk/targets.mk
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#-------------------------------------------------------------------------------
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# Copyright (c) 2012 Freescale Semiconductor, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# o Redistributions of source code must retain the above copyright notice, this list
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# of conditions and the following disclaimer.
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#
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# o Redistributions in binary form must reproduce the above copyright notice, this
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# list of conditions and the following disclaimer in the documentation and/or
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# other materials provided with the distribution.
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#
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# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from this
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# software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Sources and objects
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Different targets will be placed in separate folders.
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#
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# Libs: output/<Debug>
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# output/<Release>
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# Lib objs: output/<Debug>/obj
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# output/<Release>/obj
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#
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# Apps: output/<Sram_Debug>
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# output/<Sram_Rlease>
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# output/<Flash_Debug>
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# output/<Flash_Rlease>
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# App objs: output/<Sram_Debug>/obj
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# output/<Sram_Rlease>/obj
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# output/<Flash_Debug>/obj
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# output/<Flash_Rlease>/obj
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#-------------------------------------------------------------------------------
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ifneq "$(DEBUG)" "0"
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DEBUG_OR_RELEASE := Debug
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else
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DEBUG_OR_RELEASE := Release
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endif
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ifneq "$(APP_NAME)" ""
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ifeq "$(target)" "sram"
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TARGET_OUTPUT_ROOT := $(OUTPUT_ROOT)/Sram_$(DEBUG_OR_RELEASE)
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else
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TARGET_OUTPUT_ROOT := $(OUTPUT_ROOT)/Flash_$(DEBUG_OR_RELEASE)
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endif
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else
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TARGET_OUTPUT_ROOT := $(OUTPUT_ROOT)/$(DEBUG_OR_RELEASE)
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endif
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OBJS_ROOT = $(TARGET_OUTPUT_ROOT)/obj
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# Strip sources.
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SOURCES := $(strip $(SOURCES))
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# Convert sources list to absolute paths and root-relative paths.
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SOURCES_ABS := $(foreach s,$(SOURCES),$(abspath $(s)))
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SOURCES_REL := $(subst $(SDK_ROOT)/,,$(SOURCES_ABS))
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# Get a list of unique directories containing the source files.
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SOURCE_DIRS_ABS := $(sort $(foreach f,$(SOURCES_ABS),$(dir $(f))))
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SOURCE_DIRS_REL := $(subst $(SDK_ROOT)/,,$(SOURCE_DIRS_ABS))
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OBJECTS_DIRS := $(addprefix $(OBJS_ROOT)/,$(SOURCE_DIRS_REL))
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# Filter source files list into separate source types.
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C_SOURCES = $(filter %.c,$(SOURCES_REL))
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CXX_SOURCES = $(filter %.cpp,$(SOURCES_REL))
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ASM_s_SOURCES = $(filter %.s,$(SOURCES_REL))
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ASM_S_SOURCES = $(filter %.S,$(SOURCES_REL))
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# Convert sources to objects.
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OBJECTS_C := $(addprefix $(OBJS_ROOT)/,$(C_SOURCES:.c=.o))
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OBJECTS_CXX := $(addprefix $(OBJS_ROOT)/,$(CXX_SOURCES:.cpp=.o))
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OBJECTS_ASM := $(addprefix $(OBJS_ROOT)/,$(ASM_s_SOURCES:.s=.o))
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OBJECTS_ASM_S := $(addprefix $(OBJS_ROOT)/,$(ASM_S_SOURCES:.S=.o))
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# Complete list of all object files.
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OBJECTS_ALL := $(sort $(OBJECTS_C) $(OBJECTS_CXX) $(OBJECTS_ASM) $(OBJECTS_ASM_S))
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#-------------------------------------------------------------------------------
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# The make target is lib or application.
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#-------------------------------------------------------------------------------
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# Construct full path name
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ifneq "$(APP_NAME)" ""
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MAKE_TARGET ?= $(TARGET_OUTPUT_ROOT)/$(APP_NAME).elf
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else
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MAKE_TARGET ?= $(TARGET_OUTPUT_ROOT)/$(LIB_NAME).a
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endif
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#-------------------------------------------------------------------------------
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# Expand the include paths
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#-------------------------------------------------------------------------------
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INCLUDES := $(foreach includes, $(INCLUDES), -I$(includes))
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#-------------------------------------------------------------------------------
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# Default target
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#-------------------------------------------------------------------------------
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# Note that prerequisite order is important here. The subdirectories must be built first, or you
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# may end up with files in the current directory not getting added to libraries. This would happen
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# if subdirs modified the library file after local files were compiled but before they were added
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# to the library.
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.PHONY: all
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all: $(MAKE_TARGET)
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# Recipe to create the output object file directories.
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$(OBJECTS_DIRS) :
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$(at)mkdir -p $@
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# Object files depend on the directories where they will be created.
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#
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# The dirs are made order-only prerequisites (by being listed after the '|') so they won't cause
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# the objects to be rebuilt, as the modification date on a directory changes whenver its contents
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# change. This would cause the objects to always be rebuilt if the dirs were normal prerequisites.
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$(OBJECTS_ALL): | $(OBJECTS_DIRS)
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#-------------------------------------------------------------------------------
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# Pattern rules for compilation
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#-------------------------------------------------------------------------------
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# We cd into the source directory before calling the appropriate compiler. This must be done
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# on a single command line since make calls individual recipe lines in separate shells, so
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# '&&' is used to chain the commands.
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#
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# Generate make dependencies while compiling using the -MMD option, which excludes system headers.
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# If system headers are included, there are path problems on cygwin. The -MP option creates empty
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# targets for each header file so that a rebuild will be forced if the file goes missing, but
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# no error will occur.
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# Compile C sources.
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$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.c
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@$(call printmessage,c,Compiling, $(subst $(SDK_ROOT)/,,$<))
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$(at)$(CC) $(CFLAGS) $(SYSTEM_INC) $(INCLUDES) $(DEFINES) -MMD -MF $(basename $@).d -MP -o $@ -c $<
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# Compile C++ sources.
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$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.cpp
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@$(call printmessage,cxx,Compiling, $(subst $(SDK_ROOT)/,,$<))
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$(at)$(CXX) $(CXXFLAGS) $(SYSTEM_INC) $(INCLUDES) $(DEFINES) -MMD -MF $(basename $@).d -MP -o $@ -c $<
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# For .S assembly files, first run through the C preprocessor then assemble.
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$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.S
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@$(call printmessage,asm,Assembling, $(subst $(SDK_ROOT)/,,$<))
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$(at)$(CPP) -D__LANGUAGE_ASM__ $(INCLUDES) $(DEFINES) -o $(basename $@).s $< \
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&& $(AS) $(ASFLAGS) $(INCLUDES) -MD $(OBJS_ROOT)/$*.d -o $@ $(basename $@).s
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# Assembler sources.
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$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.s
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@$(call printmessage,asm,Assembling, $(subst $(SDK_ROOT)/,,$<))
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$(at)$(AS) $(ASFLAGS) $(INCLUDES) -MD $(basename $@).d -o $@ $<
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#------------------------------------------------------------------------
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# Build the tagrget
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#------------------------------------------------------------------------
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# If build a library
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ifeq "$(APP_NAME)" ""
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$(MAKE_TARGET): $(OBJECTS_ALL)
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@$(call printmessage,ar,Archiving, $(?F) in $(@F))
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$(at)mkdir -p $(dir $(@))
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@$(AR) $(ARFLAGS) $@ $?
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@$(at)cp -f $(MAKE_TARGET) '$(SDK_ROOT)/lib/gcc/$(CHIP)/output/$(DEBUG_OR_RELEASE)/$(LIB_NAME).a' 2>/dev/null || :
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# If build an application
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else
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# Link the application
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ifneq "$(LINK_LIB_NAME)" ""
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LIBRARIES += $(foreach lib_name, $(LINK_LIB_NAME), $(SDK_ROOT)/lib/gcc/$(CHIP)/output/$(DEBUG_OR_RELEASE)/$(lib_name).a)
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endif
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app_bin = $(basename $(MAKE_TARGET)).bin
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app_map = $(basename $(MAKE_TARGET)).map
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LD_FILE = $(LD_FILE_ROOT)/$(CHIP)/$(LD_FILE_NAME)
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$(LIBRARIES):
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@if echo "$@" | grep -sq "platform_lib"; then \
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$(MAKE) -C $(SDK_ROOT)/lib/gcc/$(CHIP)/platform_lib; \
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else \
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$(MAKE) -C $(BOARD_COMMON_ROOT)/$(shell basename $@ .a)/gcc/$(BOARD); \
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fi
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# Link the application.
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# Wrap the link objects in start/end group so that ld re-checks each
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# file for dependencies. Otherwise linking static libs can be a pain
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# since order matters.
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$(MAKE_TARGET): $(LIBRARIES) $(OBJECTS_ALL) $(LD_FILE)
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@$(call printmessage,link,Linking, $(APP_NAME))
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$(at)$(LD) $(LDFLAGS) \
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-T$(LD_FILE) \
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$(LDINC) \
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-Xlinker --start-group \
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$(OBJECTS_ALL) \
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-lc -lgcc -lm \
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$(LIBRARIES) \
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-lnosys \
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$(SYSOBJ) \
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-Xlinker --end-group \
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-o $@ \
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-Xlinker -Map=$(app_map)
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$(at)$(OBJCOPY) --gap-fill 0x00 -I elf32-little -O binary $@ $(app_bin)
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@echo "Output ELF:" ; echo " $(MAKE_TARGET)"
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@echo "Output binary:" ; echo " $(app_bin)"
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endif
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#-------------------------------------------------------------------------------
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# Clean
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#-------------------------------------------------------------------------------
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.PHONY: clean cleanall
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.PHONY: $(LINK_LIB_NAME)
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cleanall: clean $(LINK_LIB_NAME)
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clean:
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-rm -rf $(OBJECTS_ALL) $(OBJECTS_DIRS) $(MAKE_TARGET) $(app_bin) $(app_map)
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$(LINK_LIB_NAME):
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@if [ "$@" = "platform_lib" ]; then \
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$(MAKE) -C $(SDK_ROOT)/lib/gcc/$(CHIP)/platform_lib clean; \
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else \
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$(MAKE) -C $(BOARD_COMMON_ROOT)/$@/gcc/$(BOARD) clean; \
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fi
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rm -rf $(SDK_ROOT)/lib/gcc/$(CHIP)/output/$(DEBUG_OR_RELEASE)/*
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# Include dependency files.
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-include $(OBJECTS_ALL:.o=.d)
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