# of the build directory which contains this gcc4mbed.mk file.
# LIBS_PREFIX: List of library/object files to prepend to mbed.ar capi.ar libs.
# LIBS_SUFFIX: List of library/object files to append to mbed.ar capi.ar libs.
+# GCC4MBED_TYPE: Type of build to produce. Allowed values are:
+# Debug - Build for debugging. Disables optimizations and
+# links in debug MRI runtime. Best debugging
+# experience.
+# Release - Build for release with no debug support.
+# Checked - Release build with debug support. Due to
+# optimizations, debug experience won't be as good
+# as Debug but might be needed when bugs don't
+# reproduce in Debug builds.
+# default: Release
+# MRI_BREAK_ON_INIT: Should the program halt before calling into main(),
+# allowing the developer time to set breakpoints in main()
+# or in code run from within global constructors.
+# default: 1 - break on init.
+# MRI_SEMIHOST_STDIO: Set to non-zero value to allow debug monitor to use
+# semi-host calls to redirect stdin/stdout/stderr to the
+# gdb console.
+# default: 1 for Debug/Checked builds and 0 for Release.
+# MRI_UART: Select the UART to be used by the debugger. See mri.h for
+# allowed values.
+# default: MRI_UART_MBED_USB - Use USB based UART on the mbed.
# Example makefile:
# PROJECT=HelloWorld
# SRC=.
#
###############################################################################
-# Default project source to be located in current directory.
-ifndef SRC
-SRC=./src
+# Check for undefined variables.
+ifndef PROJECT
+$(error makefile must set PROJECT variable.)
endif
-# List of sources to be compiled/assembled
-CSRCS = $(wildcard $(SRC)/*.c) $(wildcard $(SRC)/*/*.c) $(wildcard $(SRC)/*/*/*.c) $(wildcard $(SRC)/*/*/*/*.c)
-ASRCS = $(wildcard $(SRC)/*.S) $(wildcard $(SRC)/*/*.S) $(wildcard $(SRC)/*/*/*.S) $(wildcard $(SRC)/*/*/*/*.S)
-CPPSRCS = $(wildcard $(SRC)/*.cpp) $(wildcard $(SRC)/*/*.cpp) $(wildcard $(SRC)/*/*/*.cpp) $(wildcard $(SRC)/*/*/*/*.cpp)
+ifndef GCC4MBED_DIR
+$(error makefile must set GCC4MBED_DIR.)
+endif
+
+
+# Default variables.
+SRC ?= .
+GCC4MBED_TYPE ?= Release
+MRI_BREAK_ON_INIT ?= 1
+MRI_UART ?= MRI_UART_MBED_USB
+
+
+# Configure MRI variables based on GCC4MBED_TYPE build type variable.
+ifeq "$(GCC4MBED_TYPE)" "Release"
+OPTIMIZATION ?= 2
+MRI_ENABLE = 0
+MRI_SEMIHOST_STDIO ?= 0
+endif
+
+
+ifeq "$(GCC4MBED_TYPE)" "Debug"
+OPTIMIZATION = 0
+MRI_ENABLE = 1
+MRI_SEMIHOST_STDIO ?= 1
+endif
+
+
+ifeq "$(GCC4MBED_TYPE)" "Checked"
+OPTIMIZATION ?= 2
+MRI_ENABLE = 1
+MRI_SEMIHOST_STDIO ?= 1
+endif
+
+MRI_INIT_PARAMETERS=$(MRI_UART)
-# Add in the gcc4mbed shim sources that allow mbed code build under GCC
-CSRCS += $(GCC4MBED_DIR)/src/gcc4mbed.c $(GCC4MBED_DIR)/src/syscalls.c
+
+# Output Object Directory
+OUTDIR=LPC176x
+
+# List of sources to be compiled/assembled
+CSRCS = $(wildcard $(SRC)/*.c $(SRC)/*/*.c $(SRC)/*/*/*.c $(SRC)/*/*/*/*.c $(SRC)/*/*/*/*/*.c)
+ASRCS = $(wildcard $(SRC)/*.S $(SRC)/*/*.S $(SRC)/*/*/*.S $(SRC)/*/*/*/*.S $(SRC)/*/*/*/*/*.S)
+CPPSRCS = $(wildcard $(SRC)/*.cpp $(SRC)/*/*.cpp $(SRC)/*/*/*.cpp $(SRC)/*/*/*/*.cpp $(SRC)/*/*/*/*/*.cpp)
# List of the objects files to be compiled/assembled
-OBJECTS= $(CSRCS:.c=.o) $(ASRCS:.S=.o) $(CPPSRCS:.cpp=.o)
+OBJECTS = $(patsubst %.c,$(OUTDIR)/%.o,$(CSRCS)) $(patsubst %.S,$(OUTDIR)/%.o,$(ASRCS)) $(patsubst %.cpp,$(OUTDIR)/%.o,$(CPPSRCS))
+
+# Add in the GCC4MBED stubs which allow hooking in the MRI debug monitor.
+OBJECTS += $(OUTDIR)/gcc4mbed.o
+
+# List of the header dependency files, one per object file.
+DEPFILES = $(patsubst %.o,%.d,$(OBJECTS))
+
+# Linker script to be used. Indicates what code should be placed where in memory.
LSCRIPT=$(GCC4MBED_DIR)/build/mbed.ld
# Location of external library and header dependencies.
EXTERNAL_DIR = $(GCC4MBED_DIR)/external
-# Include path
-INCDIRS += $(EXTERNAL_DIR)/mbed $(EXTERNAL_DIR)/mbed/LPC1768 $(EXTERNAL_DIR)/FATFileSystem $(SRC)
+# Include path which points to external library headers and to subdirectories of this project which contain headers.
+SUBDIRS = $(wildcard $(SRC)/* $(SRC)/*/* $(SRC)/*/*/* $(SRC)/*/*/*/* $(SRC)/*/*/*/*/*)
+PROJINCS = $(sort $(dir $(SUBDIRS)))
+INCDIRS += $(PROJINCS) $(GCC4MBED_DIR)/mri $(EXTERNAL_DIR)/mbed $(EXTERNAL_DIR)/mbed/LPC1768
# DEFINEs to be used when building C/C++ code
DEFINES = -DTARGET_LPC1768
+DEFINES += -DMRI_ENABLE=$(MRI_ENABLE) -DMRI_INIT_PARAMETERS='"$(MRI_INIT_PARAMETERS)"'
+DEFINES += -DMRI_BREAK_ON_INIT=$(MRI_BREAK_ON_INIT) -DMRI_SEMIHOST_STDIO=$(MRI_SEMIHOST_STDIO)
# Libraries to be linked into final binary
-LIBS = $(LIBS_PREFIX) $(EXTERNAL_DIR)/mbed/LPC1768/mbed.ar $(EXTERNAL_DIR)/mbed/LPC1768/capi.ar $(EXTERNAL_DIR)/FATFileSystem/LPC1768/FATFileSystem.ar $(LIBS_SUFFIX)
+MBED_LIBS = $(EXTERNAL_DIR)/mbed/LPC1768/GCC_ARM/libmbed.a $(EXTERNAL_DIR)/mbed/LPC1768/GCC_ARM/libcapi.a
+SYS_LIBS = -lstdc++ -lsupc++ -lm -lgcc -lc -lgcc -lc -lnosys
+LIBS = $(LIBS_PREFIX)
+
+ifeq "$(MRI_ENABLE)" "1"
+LIBS += $(GCC4MBED_DIR)/mri/mri.ar
+endif
+
+LIBS += $(EXTERNAL_DIR)/mbed/LPC1768/GCC_ARM/startup_LPC17xx.o
+LIBS += $(EXTERNAL_DIR)/mbed/LPC1768/GCC_ARM/cmsis_nvic.o
+LIBS += $(EXTERNAL_DIR)/mbed/LPC1768/GCC_ARM/core_cm3.o
+LIBS += $(EXTERNAL_DIR)/mbed/LPC1768/GCC_ARM/system_LPC17xx.o
+LIBS += $(MBED_LIBS)
+LIBS += $(SYS_LIBS)
+LIBS += $(LIBS_SUFFIX)
-# Optimization level
-OPTIMIZATION = 2
+# Compiler flags used to enable creation of header dependencies.
+DEPFLAGS = -MMD -MP
-# Compiler Options
-GPFLAGS = -O$(OPTIMIZATION) -gdwarf-2 -mcpu=cortex-m3 -mthumb -mthumb-interwork -fshort-wchar -ffunction-sections -fdata-sections -fpromote-loop-indices -Wall -Wextra -Wimplicit -Wcast-align -Wpointer-arith -Wredundant-decls -Wshadow -Wcast-qual -Wcast-align -fno-exceptions
+# Compiler Options
+GPFLAGS = -O$(OPTIMIZATION) -g -mcpu=cortex-m3 -mthumb -mthumb-interwork
+GPFLAGS += -ffunction-sections -fdata-sections -fno-exceptions
GPFLAGS += $(patsubst %,-I%,$(INCDIRS))
GPFLAGS += $(DEFINES)
+GPFLAGS += $(DEPFLAGS)
+GPFLAGS += -Wall -Wextra -Wno-unused-parameter -Wcast-align -Wpointer-arith -Wredundant-decls -Wcast-qual -Wcast-align
+GCFLAGS = $(GPFLAGS)
-LDFLAGS = -mcpu=cortex-m3 -mthumb -O$(OPTIMIZATION) -Wl,-Map=$(PROJECT).map,--cref,--gc-sections,--no-wchar-size-warning -T$(LSCRIPT) -L $(EXTERNAL_DIR)/gcc/LPC1768
+# Setup wraps for newlib read/writes to redirect to MRI debugger.
+ifeq "$(MRI_ENABLE)" "1"
+MRI_WRAPS=,--wrap=_read,--wrap=_write,--wrap=semihost_connected
+else
+MRI_WRAP=
+endif
+
+# Linker Options.
+LDFLAGS = -mcpu=cortex-m3 -mthumb -O$(OPTIMIZATION) -specs=$(GCC4MBED_DIR)/build/startfile.spec -Wl,-Map=$(OUTDIR)/$(PROJECT).map,--cref,--gc-sections,--wrap=_isatty$(MRI_WRAPS) -T$(LSCRIPT) -L $(EXTERNAL_DIR)/gcc/LPC1768
ASFLAGS = $(LISTING) -mcpu=cortex-m3 -mthumb -x assembler-with-cpp
ASFLAGS += $(patsubst %,-I%,$(INCDIRS))
# Compiler/Assembler/Linker Paths
+GCC = arm-none-eabi-gcc
GPP = arm-none-eabi-g++
AS = arm-none-eabi-gcc
LD = arm-none-eabi-g++
OBJCOPY = arm-none-eabi-objcopy
OBJDUMP = arm-none-eabi-objdump
-REMOVE = rm -f
SIZE = arm-none-eabi-size
+# Some tools are different on Windows in comparison to Unix.
+ifeq "$(OS)" "Windows_NT"
+REMOVE = del
+SHELL=cmd.exe
+REMOVE_DIR = rd /s /q
+MKDIR = mkdir
+QUIET=>nul 2>nul & exit 0
+else
+REMOVE = rm
+REMOVE_DIR = rm -r -f
+MKDIR = mkdir -p
+QUIET=> /dev/null 2>&1 ; exit 0
+endif
+
+# Create macro which will convert / to \ on Windows.
+ifeq "$(OS)" "Windows_NT"
+define convert-slash
+$(subst /,\,$1)
+endef
+else
+define convert-slash
+$1
+endef
+endif
+
#########################################################################
+.PHONY: all clean deploy
-all:: $(PROJECT).hex $(PROJECT).bin $(PROJECT).disasm
+all:: $(PROJECT).hex $(PROJECT).bin $(OUTDIR)/$(PROJECT).disasm
$(PROJECT).bin: $(PROJECT).elf
$(OBJCOPY) -O binary $(PROJECT).elf $(PROJECT).bin
$(PROJECT).hex: $(PROJECT).elf
$(OBJCOPY) -R .stack -O ihex $(PROJECT).elf $(PROJECT).hex
-$(PROJECT).disasm: $(PROJECT).elf
- $(OBJDUMP) -d $(PROJECT).elf >$(PROJECT).disasm
+$(OUTDIR)/$(PROJECT).disasm: $(PROJECT).elf
+ $(OBJDUMP) -d -f -M reg-names-std $(PROJECT).elf >$(OUTDIR)/$(PROJECT).disasm
$(PROJECT).elf: $(LSCRIPT) $(OBJECTS)
$(LD) $(LDFLAGS) $(OBJECTS) $(LIBS) -o $(PROJECT).elf
$(SIZE) $(PROJECT).elf
-stats: $(PROJECT).elf
- $(SIZE) $(PROJECT).elf
-
clean:
- $(REMOVE) $(OBJECTS)
- $(REMOVE) $(PROJECT).hex
- $(REMOVE) $(PROJECT).elf
- $(REMOVE) $(PROJECT).map
- $(REMOVE) $(PROJECT).bin
- $(REMOVE) $(PROJECT).disasm
+ $(REMOVE) -f $(call convert-slash,$(OBJECTS)) $(QUIET)
+ $(REMOVE) -f $(call convert-slash,$(DEPFILES)) $(QUIET)
+ $(REMOVE_DIR) $(OUTDIR) $(QUIET)
+ $(REMOVE) -f $(call convert-slash,$(OUTDIR)/$(PROJECT).map) $(QUIET)
+ $(REMOVE) -f $(call convert-slash,$(OUTDIR)/$(PROJECT).disasm) $(QUIET)
+ $(REMOVE) -f $(PROJECT).bin $(QUIET)
+ $(REMOVE) -f $(PROJECT).hex $(QUIET)
+ $(REMOVE) -f $(PROJECT).elf $(QUIET)
+
+-include $(DEPFILES)
+
+ifdef LPC_DEPLOY
+DEPLOY_COMMAND = $(subst PROJECT,$(PROJECT),$(LPC_DEPLOY))
+deploy:
+ $(DEPLOY_COMMAND)
+endif
#########################################################################
# Default rules to compile .c and .cpp file to .o
# and assemble .s files to .o
-.c.o :
- $(GPP) $(GPFLAGS) -c $< -o $(<:.c=.o)
+$(OUTDIR)/gcc4mbed.o : $(GCC4MBED_DIR)/src/gcc4mbed.c
+ $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
+ $(GPP) $(GPFLAGS) -c $< -o $@
-.cpp.o :
- $(GPP) $(GPFLAGS) -c $< -o $(<:.cpp=.o)
+$(OUTDIR)/%.o : %.cpp
+ $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
+ $(GPP) $(GPFLAGS) -c $< -o $@
-.S.o :
- $(AS) $(ASFLAGS) -c $< -o $(<:.S=.o)
+$(OUTDIR)/%.o : %.c
+ $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
+ $(GCC) $(GCFLAGS) -c $< -o $@
-#########################################################################
+$(OUTDIR)/%.o : %.S
+ $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
+ $(AS) $(ASFLAGS) -c $< -o $@
+
+#########################################################################
\ No newline at end of file
HCoop / clinton / Smoothieware.git / blobdiff