subproject.mk

ifeq ($(DEBUG),yes)
	CFLAGS += -g3 -O0
endif

ifeq ($(DEBUG),no)
	CFLAGS += -g -Os 
endif

ifeq ($(BENCH),yes)
	CFLAGS += -fno-inline
endif

ifeq ($(SIFIVE_GCC_PACK),yes)
	RISCV_CLIB=$(RISCV_PATH)/$(RISCV_NAME)/lib/$(MARCH)/$(MABI)/
else
	RISCV_CLIB=$(RISCV_PATH)/$(RISCV_NAME)/lib/
endif





RISCV_OBJCOPY = $(RISCV_PATH)/bin/$(RISCV_NAME)-objcopy
RISCV_OBJDUMP = $(RISCV_PATH)/bin/$(RISCV_NAME)-objdump
RISCV_CC=$(RISCV_PATH)/bin/$(RISCV_NAME)-gcc

CFLAGS +=  -MD -fstrict-volatile-bitfields
LDFLAGS +=  -nostdlib -lgcc -mcmodel=medany -nostartfiles -ffreestanding -Wl,-Bstatic,-T,$(LDSCRIPT),-Map,$(OBJDIR)/$(PROJ_NAME).map,--print-memory-usage
#LDFLAGS += -lgcc -lc -lg -nostdlib  -lgcc  -msave-restore    --strip-debug,

OBJDIR = build
OBJS := $(SRCS)
OBJS := $(OBJS:.c=.o)
OBJS := $(OBJS:.cpp=.o)
OBJS := $(OBJS:.S=.o)
OBJS := $(OBJS:..=miaou)
OBJS := $(addprefix $(OBJDIR)/,$(OBJS))


all: $(OBJDIR)/$(PROJ_NAME).elf $(OBJDIR)/$(PROJ_NAME).hex $(OBJDIR)/$(PROJ_NAME).asm $(OBJDIR)/$(PROJ_NAME).v

$(OBJDIR)/%.elf: $(OBJS) | $(OBJDIR)
	$(RISCV_CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)

%.hex: %.elf
	$(RISCV_OBJCOPY) -O ihex $^ $@

%.bin: %.elf
	$(RISCV_OBJCOPY) -O binary $^ $@

%.v: %.elf
	$(RISCV_OBJCOPY) -O verilog $^ $@



%.asm: %.elf
	$(RISCV_OBJDUMP) -S -d $^ > $@

$(OBJDIR)/%.o: %.c
	mkdir -p $(dir $@)
	$(RISCV_CC) -c $(CFLAGS)  $(INC) -o $@ $^

$(OBJDIR)/%.o: %.cpp
	mkdir -p $(dir $@)
	$(RISCV_CC) -c $(CFLAGS)  $(INC) -o $@ $^

$(OBJDIR)/%.o: %.S
	mkdir -p $(dir $@)
	$(RISCV_CC) -c $(CFLAGS) -o $@ $^ -D__ASSEMBLY__=1

$(OBJDIR):
	mkdir -p $@

clean:
	rm -f $(OBJDIR)/$(PROJ_NAME).elf
	rm -f $(OBJDIR)/$(PROJ_NAME).hex
	rm -f $(OBJDIR)/$(PROJ_NAME).map
	rm -f $(OBJDIR)/$(PROJ_NAME).v
	rm -f $(OBJDIR)/$(PROJ_NAME).asm
	find $(OBJDIR) -type f -name '*.o' -print0 | xargs -0 -r rm

.SECONDARY: $(OBJS)