Add KBOOT.

mk/common.mk

@@ -0,0 +1,149 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2012 Freescale Semiconductor, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# o Redistributions of source code must retain the above copyright notice, this list
+#   of conditions and the following disclaimer.
+#
+# o Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#
+# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Utility
+#-------------------------------------------------------------------------------
+
+# Kludge to create a variable equal to a single space.
+empty :=
+space := $(empty) $(empty)
+
+#-------------------------------------------------------------------------------
+# OS
+#-------------------------------------------------------------------------------
+
+# Get the OS name. Known values are "Linux", "CYGWIN_NT-5.1", and "Darwin".
+os_name := $(shell uname -s)
+
+# Set to 1 if running on cygwin.
+is_cygwin := $(and $(findstring CYGWIN,$(os_name)),1)
+
+# Set to 1 if running on cygwin.
+is_mingw := $(and $(findstring MINGW,$(os_name)),1)
+
+# Set to 1 if running on redhat.
+is_redhat := $(shell if [ -f /etc/redhat-release ]; then echo 1 ; fi)
+
+# Disable parallel builds for cygwin since they hang.
+ifeq "$(is_cygwin)" "1"
+.NOTPARALLEL:
+endif
+
+ifeq "$(is_mingw)" "1"
+.NOTPARALLEL:
+endif
+
+#-------------------------------------------------------------------------------
+# Logging options
+#-------------------------------------------------------------------------------
+
+# Enable color output by default.
+BUILD_SDK_COLOR ?= 1
+
+# MAKE
+MAKE := make
+ifeq "$(is_cygwin)" "1"
+MAKE := mingw32-make
+endif
+
+ifeq "$(is_mingw)" "1"
+MAKE := mingw32-make
+endif
+
+# Normally, commands in recipes are prefixed with '@' so the command itself
+# is not echoed by make. But if VERBOSE is defined (set to anything non-empty),
+# then the '@' is removed from recipes. The 'at' variable is used to control
+# this. Similarly, 'silent_make' is used to pass the -s option to child make
+# invocations when not in VERBOSE mode.
+ifeq "$(VERBOSE)" "1"
+at :=
+silent_make :=
+else
+at := @
+silent_make := -s
+endif
+
+# These colors must be printed with the printf command. echo won't handle the
+# escape sequences.
+color_default = \033[00m
+color_bold = \033[01m
+color_red = \033[31m
+color_green = \033[32m
+color_yellow = \033[33m
+color_blue = \033[34m
+color_magenta = \033[35m
+color_cyan = \033[36m
+color_orange = \033[38;5;172m
+color_light_blue = \033[38;5;039m
+color_gray = \033[38;5;008m
+color_purple = \033[38;5;097m
+
+ifeq "$(BUILD_SDK_COLOR)" "1"
+color_build := $(color_light_blue)
+color_c := $(color_green)
+color_cxx := $(color_green)
+color_cpp := $(color_orange)
+color_asm := $(color_magenta)
+color_ar := $(color_yellow)
+color_link := $(color_purple)
+endif
+
+# Used in printmessage if the color args are not present.
+color_ :=
+
+# Use in recipes to print color messages if printing to a terminal. If
+# BUILD_SDK_COLOR is not set to 1, this reverts to a simple uncolorized printf.
+# A newline is added to the end of the printed message.
+#
+# Arguments:
+#  1 - name of the color variable (see above), minus the "color_" prefix
+#  2 - first colorized part of the message
+#  3 - first uncolorized part of the message
+#  4 - color name for second colorized message
+#  5 - second colorized message
+#  6 - second uncolorized part of the message
+#  7 - uncolorized prefix on the whole line; this is last because it is expected to be used rarely
+#
+# All arguments are optional.
+#
+# Use like:
+#  $(call printmessage,cyan,Building, remainder of the message...)
+ifeq "$(BUILD_SDK_COLOR)" "1"
+define printmessage
+if [ -t 1 ]; then printf "$(7)$(color_$(1))$(2)$(color_default)$(3)$(color_$(4))$(5)$(color_default)$(6)\n" ; \
+else printf "$(7)$(2)$(3)$(5)$(6)\n" ; fi
+endef
+else
+define printmessage
+printf "$(7)$(2)$(3)$(5)$(6)\n" ; fi
+endef
+endif
+

mk/config.mk

@@ -0,0 +1,62 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2012 Freescale Semiconductor, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# o Redistributions of source code must retain the above copyright notice, this list
+#   of conditions and the following disclaimer.
+#
+# o Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#
+# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Target and board configuration
+#-------------------------------------------------------------------------------
+
+# Chip
+ifeq "$(CHIP)" "K70F12"
+CPU = cortex-m4
+ARCH = armv7e-m
+DEFINES += -DCPU_MK70FN1M0VMJ12
+else ifeq "$(CHIP)" "K64F12"
+CPU = cortex-m4
+ARCH = armv7e-m
+DEFINES += -DCPU_MK64FN1M0VMD12
+else ifeq "$(CHIP)" "K22F51212"
+CPU = cortex-m4
+ARCH = armv7e-m
+DEFINES += -DCPU_MK22FN512VDC12
+else ifeq "$(CHIP)" "KL25Z4"
+CPU = cortex-m0plus
+ARCH = armv6-m
+DEFINES += -DCPU_MKL25Z128VLK4
+else ifdef TARGET
+$(error Unknown target $(TARGET))
+endif
+
+# Not debug by default
+ifeq "$(build)" "debug"
+DEBUG := 1
+else
+DEBUG := 0
+endif
+

mk/flags.mk

@@ -0,0 +1,143 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2012 Freescale Semiconductor, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# o Redistributions of source code must retain the above copyright notice, this list
+#   of conditions and the following disclaimer.
+#
+# o Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#
+# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Compiler flags
+#-------------------------------------------------------------------------------
+
+# Enables all warnings
+C_FLAGS_WARNINGS = -Wall
+
+# Turn on all warnings.
+COMMON_FLAGS += $(C_FLAGS_WARNINGS)
+
+# Don't use common symbols.  This is usually done in kernels.  Makes
+# code size slightly larger and increases performance.
+COMMON_FLAGS += -fno-common
+
+#Place each function or data item into its own section in the output file
+COMMON_FLAGS += -ffunction-sections -fdata-sections
+
+# Use a freestanding build environment.  Standard for kernels, implies
+# std library may not exist.
+COMMON_FLAGS += -ffreestanding -fno-builtin
+
+# Set the C standard to C99 with GNU extensions.
+# Use traditional GNU inline function semantics.
+C99_FLAGS = -std=gnu99
+
+# Generate code specifically for cortex-mx CPU.
+# Use the ARM Procedure Call Standard.
+ARM_FLAGS = -mcpu=$(CPU) -mtune=$(CPU) -march=$(ARCH) -mapcs
+
+ARM_FLAGS += -mthumb
+
+# Use float-abi=softfp for soft floating point api with HW instructions.
+# Alternatively, float-abi=hard for hw float instructions and pass float args in float regs.
+# Here need to be modified.
+ifeq "$(CPU)" "cortex-m4"
+
+ifeq "$(CHOOSE_FLOAT)" "SOFT_FP"
+ARM_FLAGS += -mfloat-abi=softfp -mfpu=fpv4-sp-d16
+CC_LIB_POST := armv7e-m/softfp
+else ifeq "$(CHOOSE_FLOAT)" "HARD_FP"
+ARM_FLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
+CC_LIB_POST := armv7e-m/fpu
+else
+CC_LIB_POST := armv7e-m
+endif
+
+else ifeq "$(CPU)" "cortex-m0plus"
+CC_LIB_POST := armv6-m
+endif
+
+# Debug setting
+ifeq "$(DEBUG)" "1"
+COMMON_FLAGS += -O0
+COMMON_FLAGS += -g2 -gdwarf-2 -gstrict-dwarf
+DEFINES += -D_DEBUG=1
+else
+COMMON_FLAGS += -Os
+endif
+
+# Build common flags shared by C and C++.
+COMMON_FLAGS += $(ARM_FLAGS)
+
+# C flags. Set C99 mode.
+CFLAGS += $(COMMON_FLAGS) $(C99_FLAGS) -nostdinc
+
+# C++ flags. Disable exceptions and RTTI.
+CXXFLAGS += $(COMMON_FLAGS)
+CXXFLAGS += -fno-exceptions -fno-rtti -nostdinc -nostdinc++
+
+# AR flags.
+ARFLAGS := -rucs
+
+# AS flags.
+
+# LD flags.
+# Use newlib-nano. To disable it, specify USE_NANO=
+USE_NANO = --specs=nano.specs
+LDFLAGS := $(USE_NANO)
+
+ifndef _START
+SYSOBJ := $(LIBGCC_LDPATH)/crti.o \
+          $(LIBGCC_LDPATH)/crtn.o \
+          $(LIBC_LDPATH)/crt0.o
+else
+SYSOBJ :=
+endif
+
+LDFLAGS += $(COMMON_FLAGS) -nostartfiles -nodefaultlibs -nostdlib -Xlinker --gc-sections -Xlinker -cref -Xlinker -static -Xlinker -z -Xlinker muldefs
+
+#-------------------------------------------------------------------------------
+# Include paths
+#-------------------------------------------------------------------------------
+
+# These include paths have to be quoted because they may contain spaces,
+# particularly under cygwin.
+LDINC += -L '$(LIBGCC_LDPATH)' -L '$(LIBC_LDPATH)'
+
+# Indicate gcc and newlib std includes as -isystem so gcc tags and
+# treats them as system directories.
+SYSTEM_INC = \
+    -isystem '$(CC_INCLUDE)' \
+    -isystem '$(CC_INCLUDE_FIXED)' \
+    -isystem '$(LIBC_INCLUDE)'
+
+INCLUDES += \
+    $(SDK_ROOT)/platform \
+    $(SDK_ROOT)/platform/hal  \
+    $(SDK_ROOT)/platform/drivers  \
+    $(SDK_ROOT)/platform/utilities  \
+    $(SDK_ROOT)/platform/CMSIS/Include  \
+    $(SDK_ROOT)/platform/CMSIS/Include/device \
+    $(SDK_ROOT)/boards
+

mk/paths.mk

@@ -0,0 +1,55 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2012 Freescale Semiconductor, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# o Redistributions of source code must retain the above copyright notice, this list
+#   of conditions and the following disclaimer.
+#
+# o Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#
+# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Root paths
+#-------------------------------------------------------------------------------
+
+# Build root directory paths.
+SDK_LIB_ROOT = $(SDK_ROOT)/platform
+APPS_ROOT = $(SDK_ROOT)/apps
+BOARD_ROOT = $(SDK_ROOT)/boards/$(BOARD)
+LD_FILE_ROOT = $(SDK_ROOT)/platform/linker/gcc
+BOARD_COMMON_ROOT = $(SDK_ROOT)/boards/common
+
+#-------------------------------------------------------------------------------
+# Output file paths
+#-------------------------------------------------------------------------------
+
+# Build output directory paths.
+#
+# All build products will be placed in the project's own dir
+#
+ifneq "$(APP_NAME)" ""
+OUTPUT_ROOT = ./output
+else
+OUTPUT_ROOT = ../output
+endif
+

mk/targets.mk

@@ -0,0 +1,240 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2012 Freescale Semiconductor, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# o Redistributions of source code must retain the above copyright notice, this list
+#   of conditions and the following disclaimer.
+#
+# o Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#
+# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Sources and objects
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Different targets will be placed in separate folders.
+#
+# Libs:     output/<Debug>
+#           output/<Release>
+# Lib objs: output/<Debug>/obj
+#           output/<Release>/obj
+#
+# Apps:     output/<Sram_Debug>
+#           output/<Sram_Rlease>
+#           output/<Flash_Debug>
+#           output/<Flash_Rlease>
+# App objs: output/<Sram_Debug>/obj
+#           output/<Sram_Rlease>/obj
+#           output/<Flash_Debug>/obj
+#           output/<Flash_Rlease>/obj
+#-------------------------------------------------------------------------------
+
+ifneq "$(DEBUG)" "0"
+DEBUG_OR_RELEASE := Debug
+else
+DEBUG_OR_RELEASE := Release
+endif
+ifneq "$(APP_NAME)" ""
+ifeq "$(target)" "sram"
+TARGET_OUTPUT_ROOT := $(OUTPUT_ROOT)/Sram_$(DEBUG_OR_RELEASE)
+else
+TARGET_OUTPUT_ROOT := $(OUTPUT_ROOT)/Flash_$(DEBUG_OR_RELEASE)
+endif
+else
+TARGET_OUTPUT_ROOT := $(OUTPUT_ROOT)/$(DEBUG_OR_RELEASE)
+endif
+
+OBJS_ROOT = $(TARGET_OUTPUT_ROOT)/obj
+
+# Strip sources.
+SOURCES := $(strip $(SOURCES))
+
+# Convert sources list to absolute paths and root-relative paths.
+SOURCES_ABS := $(foreach s,$(SOURCES),$(abspath $(s)))
+SOURCES_REL := $(subst $(SDK_ROOT)/,,$(SOURCES_ABS))
+
+# Get a list of unique directories containing the source files.
+SOURCE_DIRS_ABS := $(sort $(foreach f,$(SOURCES_ABS),$(dir $(f))))
+SOURCE_DIRS_REL := $(subst $(SDK_ROOT)/,,$(SOURCE_DIRS_ABS))
+
+OBJECTS_DIRS := $(addprefix $(OBJS_ROOT)/,$(SOURCE_DIRS_REL))
+
+# Filter source files list into separate source types.
+C_SOURCES = $(filter %.c,$(SOURCES_REL))
+CXX_SOURCES = $(filter %.cpp,$(SOURCES_REL))
+ASM_s_SOURCES = $(filter %.s,$(SOURCES_REL))
+ASM_S_SOURCES = $(filter %.S,$(SOURCES_REL))
+
+# Convert sources to objects.
+OBJECTS_C := $(addprefix $(OBJS_ROOT)/,$(C_SOURCES:.c=.o))
+OBJECTS_CXX := $(addprefix $(OBJS_ROOT)/,$(CXX_SOURCES:.cpp=.o))
+OBJECTS_ASM := $(addprefix $(OBJS_ROOT)/,$(ASM_s_SOURCES:.s=.o))
+OBJECTS_ASM_S := $(addprefix $(OBJS_ROOT)/,$(ASM_S_SOURCES:.S=.o))
+
+# Complete list of all object files.
+OBJECTS_ALL := $(sort $(OBJECTS_C) $(OBJECTS_CXX) $(OBJECTS_ASM) $(OBJECTS_ASM_S))
+
+#-------------------------------------------------------------------------------
+# The make target is lib or application.
+#-------------------------------------------------------------------------------
+
+# Construct full path name
+ifneq "$(APP_NAME)" ""
+MAKE_TARGET ?= $(TARGET_OUTPUT_ROOT)/$(APP_NAME).elf
+else
+MAKE_TARGET ?= $(TARGET_OUTPUT_ROOT)/$(LIB_NAME).a
+endif
+
+#-------------------------------------------------------------------------------
+# Expand the include paths
+#-------------------------------------------------------------------------------
+INCLUDES := $(foreach includes, $(INCLUDES), -I$(includes))
+
+#-------------------------------------------------------------------------------
+# Default target
+#-------------------------------------------------------------------------------
+
+# Note that prerequisite order is important here. The subdirectories must be built first, or you
+# may end up with files in the current directory not getting added to libraries. This would happen
+# if subdirs modified the library file after local files were compiled but before they were added
+# to the library.
+.PHONY: all
+all: $(MAKE_TARGET)
+
+# Recipe to create the output object file directories.
+$(OBJECTS_DIRS) :
+	$(at)mkdir -p $@
+
+# Object files depend on the directories where they will be created.
+#
+# The dirs are made order-only prerequisites (by being listed after the '|') so they won't cause
+# the objects to be rebuilt, as the modification date on a directory changes whenver its contents
+# change. This would cause the objects to always be rebuilt if the dirs were normal prerequisites.
+$(OBJECTS_ALL): | $(OBJECTS_DIRS)
+
+#-------------------------------------------------------------------------------
+# Pattern rules for compilation
+#-------------------------------------------------------------------------------
+# We cd into the source directory before calling the appropriate compiler. This must be done
+# on a single command line since make calls individual recipe lines in separate shells, so
+# '&&' is used to chain the commands.
+#
+# Generate make dependencies while compiling using the -MMD option, which excludes system headers.
+# If system headers are included, there are path problems on cygwin. The -MP option creates empty
+# targets for each header file so that a rebuild will be forced if the file goes missing, but
+# no error will occur.
+
+# Compile C sources.
+$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.c
+	@$(call printmessage,c,Compiling, $(subst $(SDK_ROOT)/,,$<))
+	$(at)$(CC) $(CFLAGS) $(SYSTEM_INC) $(INCLUDES) $(DEFINES) -MMD -MF $(basename $@).d -MP -o $@ -c $<
+
+# Compile C++ sources.
+$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.cpp
+	@$(call printmessage,cxx,Compiling, $(subst $(SDK_ROOT)/,,$<))
+	$(at)$(CXX) $(CXXFLAGS) $(SYSTEM_INC) $(INCLUDES) $(DEFINES) -MMD -MF $(basename $@).d -MP -o $@ -c $<
+
+# For .S assembly files, first run through the C preprocessor then assemble.
+$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.S
+	@$(call printmessage,asm,Assembling, $(subst $(SDK_ROOT)/,,$<))
+	$(at)$(CPP) -D__LANGUAGE_ASM__ $(INCLUDES) $(DEFINES) -o $(basename $@).s $< \
+	&& $(AS) $(ASFLAGS) $(INCLUDES) -MD $(OBJS_ROOT)/$*.d -o $@ $(basename $@).s
+
+# Assembler sources.
+$(OBJS_ROOT)/%.o: $(SDK_ROOT)/%.s
+	@$(call printmessage,asm,Assembling, $(subst $(SDK_ROOT)/,,$<))
+	$(at)$(AS) $(ASFLAGS) $(INCLUDES) -MD $(basename $@).d -o $@ $<
+
+#------------------------------------------------------------------------
+# Build the tagrget
+#------------------------------------------------------------------------
+# If build a library
+ifeq "$(APP_NAME)" ""
+$(MAKE_TARGET): $(OBJECTS_ALL)
+	@$(call printmessage,ar,Archiving, $(?F) in $(@F))
+	$(at)mkdir -p $(dir $(@))
+	@$(AR) $(ARFLAGS) $@ $?
+	@$(at)cp -f $(MAKE_TARGET) '$(SDK_ROOT)/lib/gcc/$(CHIP)/output/$(DEBUG_OR_RELEASE)/$(LIB_NAME).a' 2>/dev/null || :
+
+# If build an application
+else
+# Link the application
+ifneq "$(LINK_LIB_NAME)" ""
+LIBRARIES += $(foreach lib_name, $(LINK_LIB_NAME), $(SDK_ROOT)/lib/gcc/$(CHIP)/output/$(DEBUG_OR_RELEASE)/$(lib_name).a)
+endif
+
+app_bin = $(basename $(MAKE_TARGET)).bin
+app_map = $(basename $(MAKE_TARGET)).map
+LD_FILE = $(LD_FILE_ROOT)/$(CHIP)/$(LD_FILE_NAME)
+
+$(LIBRARIES): 
+	@if echo "$@" | grep -sq "platform_lib"; then	\
+		$(MAKE) -C $(SDK_ROOT)/lib/gcc/$(CHIP)/platform_lib;	\
+	else	\
+		$(MAKE) -C $(BOARD_COMMON_ROOT)/$(shell basename $@ .a)/gcc/$(BOARD);	\
+	fi
+
+# Link the application.
+# Wrap the link objects in start/end group so that ld re-checks each
+# file for dependencies.  Otherwise linking static libs can be a pain
+# since order matters.
+$(MAKE_TARGET): $(LIBRARIES) $(OBJECTS_ALL) $(LD_FILE)
+	@$(call printmessage,link,Linking, $(APP_NAME))
+	$(at)$(LD) $(LDFLAGS) \
+          -T$(LD_FILE) \
+          $(LDINC) \
+          -Xlinker --start-group \
+          $(OBJECTS_ALL) \
+          -lc -lgcc -lm  \
+          $(LIBRARIES) \
+          -lnosys      \
+          $(SYSOBJ)    \
+          -Xlinker --end-group \
+          -o $@ \
+          -Xlinker -Map=$(app_map)
+	$(at)$(OBJCOPY) --gap-fill 0x00 -I elf32-little -O binary $@ $(app_bin)
+	@echo "Output ELF:" ; echo "  $(MAKE_TARGET)"
+	@echo "Output binary:" ; echo "  $(app_bin)"
+
+endif
+
+#-------------------------------------------------------------------------------
+# Clean
+#-------------------------------------------------------------------------------
+.PHONY: clean cleanall
+.PHONY: $(LINK_LIB_NAME)
+cleanall: clean $(LINK_LIB_NAME)
+clean: 
+	-rm -rf $(OBJECTS_ALL) $(OBJECTS_DIRS) $(MAKE_TARGET) $(app_bin) $(app_map)
+$(LINK_LIB_NAME):
+	@if [ "$@" = "platform_lib" ]; then	\
+		$(MAKE) -C $(SDK_ROOT)/lib/gcc/$(CHIP)/platform_lib clean;	\
+	else	\
+		$(MAKE) -C $(BOARD_COMMON_ROOT)/$@/gcc/$(BOARD) clean;	\
+	fi
+	rm -rf $(SDK_ROOT)/lib/gcc/$(CHIP)/output/$(DEBUG_OR_RELEASE)/*
+
+# Include dependency files.
+-include $(OBJECTS_ALL:.o=.d)
+