BINARY		:= z180-stamp-stm32
P_BINARY	:= $(OBJPATH)/$(BINARY)

TARGETS		:= $(BINARY).elf #$(BINARY).bin

SRCS := z180-stamp-stm32.c serial.c z80-if.c hdrom.c


LIBNAME		= opencm3_stm32f1
DEFS		= -DSTM32F1 -DDEBUG=2
OPENCM3_DIR	:= $(TOP)/libopencm3
LDSCRIPT	:= $(d)/stm32vl-discovery.ld

FP_FLAGS	?= -msoft-float
ARCH_FLAGS	= -mthumb -mcpu=cortex-m3 $(FP_FLAGS) -mfix-cortex-m3-ldrd

STLINK_PORT = :3333 

###############################################################################
# Executables

TOOLCHAINDIR	:= /usr/local/gcc-arm-none-eabi-4_8-2014q2/bin
TOOLCHAIN	:= $(TOOLCHAINDIR)/arm-none-eabi

CC		:= $(TOOLCHAIN)-gcc
LD		:= $(TOOLCHAIN)-gcc
AR		:= $(TOOLCHAIN)-ar
AS		:= $(TOOLCHAIN)-as
OBJCOPY	:= $(TOOLCHAIN)-objcopy
OBJDUMP	:= $(TOOLCHAIN)-objdump
GDB		:= $(TOOLCHAIN)-gdb

###############################################################################
# Source files



ifeq ($(VERBOSE),true)
$(info Using $(OPENCM3_DIR) path to library)
endif

INCLUDES_$(d) := $(OPENCM3_DIR)/include
LIBDIRS_$(d)  := $(OPENCM3_DIR)/lib

SCRIPT_DIR	= $(OPENCM3_DIR)/scripts

###############################################################################
# C flags

CFLAGS_$(d)	:= -Os -g
CFLAGS_$(d)	+= -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS_$(d)	+= -Wredundant-decls #-Wstrict-prototypes
CFLAGS_$(d)	+= -fno-common -ffunction-sections -fdata-sections
CFLAGS_$(d)	+= -std=c99
CFLAGS_$(d)	+= $(ARCH_FLAGS)

###############################################################################
# C & C++ preprocessor common flags

CPPFLAGS_$(d) := $(DEFS)

###############################################################################
# Linker flags

LDFLAGS		+= --static -nostartfiles
LDFLAGS		+= -T$(LDSCRIPT)
LDFLAGS		+= -Wl,-Map=$(*).map
LDFLAGS		+= -Wl,--gc-sections

#ifeq ($(VERBOSE),true)
#LDFLAGS		+= -Wl,--print-gc-sections
#endif

###############################################################################
# Used libraries

LDLIBS		+= -l$(LIBNAME)
LDLIBS		+= -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group


###############################################################################
###############################################################################


$(BINARY).elf_DEPS = z180-stamp-stm32.o serial.o z80-if.o hdrom.o
$(BINARY).elf_CMD = $(call echo_cmd,LINK $@) $(LD) $(LDFLAGS) $(ARCH_FLAGS) $^ $(LDLIBS) -o $@

.SUFFIXES: .elf .bin .hex .srec .list .map .images
.SECONDEXPANSION:

elf: $(P_BINARY).elf
bin: $(P_BINARY).bin
hex: $(P_BINARY).hex
srec: $(P_BINARY).srec
list: $(P_BINARY).list

images: $(P_BINARY).images
flash: $(P_BINARY).flash

%.images: %.bin %.hex %.srec %.list
	$(call echo_cmd,Images generated: $*)

%.bin: %.elf
	$(call echo_cmd,OBJCOPY $@) $(OBJCOPY) -Obinary $< $@

%.hex: %.elf
	$(call echo_cmd,OBJCOPY $@) $(OBJCOPY) -Oihex $< $@

%.srec: %.elf
	$(call echo_cmd,OBJCOPY $@) $(OBJCOPY) -Osrec $< $@

%.list: %.elf
	$(call echo_cmd,OBJDUMP $@) $(OBJDUMP) -S $< > $@

#$(OBJPATH)/%.elf: $(OBJS) $(LDSCRIPT) $(LIB_DIR)/lib$(LIBNAME).a
#	@#printf "  LD      $(*).elf\n"
#	$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS_$(d)) $(LDLIBS) -o $(*).elf

#%.o: %.c
#	@#printf "  CC      $(*).c\n"
#	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).c
#
#%.o: %.cxx
#	@#printf "  CXX     $(*).cxx\n"
#	$(Q)$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).cxx
#
#%.o: %.cpp
#	@#printf "  CXX     $(*).cpp\n"
#	$(Q)$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).cpp

#clean:
#	@#printf "  CLEAN\n"
#	$(Q)$(RM) *.o *.d *.elf *.bin *.hex *.srec *.list *.map


%.flash: %.elf
	$(call echo_cmd,GDB $< (flash)) $(GDB) --batch \
		   -ex 'target extended-remote $(STLINK_PORT)' \
		   -ex 'monitor reset halt' \
		   -ex 'load' \
		   $<


.PHONY: images elf bin hex srec list flash