Add sources

source/firmware/Makefile

@@ -0,0 +1,44 @@
+PROJECT := fw
+SOURCES := crt0.s main.c uprintf.c
+CPU_RAM_REG := ram_reg
+
+ARCH    := riscv32-none-elf
+CFLAGS  := -O2 -Wall -march=rv32i -mabi=ilp32 -mstrict-align \
+           -nostartfiles \
+           -ffunction-sections -lgcc \
+           -Wl,-Tpicorv32-minimal.ld,-static,-Map,$(PROJECT).map
+
+# CFLAGS  := -O3 -Wall -march=rv32i -mabi=ilp32 -mstrict-align \
+# 	   -nostartfiles \
+#            -ffunction-sections \
+# 	   -ffreestanding -lgcc \
+#            -Wl,-T,picorv32-minimal.ld,-static,-Map,$(PROJECT).map
+
+#           -nostdlib
+
+ELF = $(PROJECT).elf
+BIN = $(PROJECT).bin
+ASM = $(PROJECT).asm
+SVH = $(PROJECT).svh
+MEM = $(PROJECT).mem
+
+all: $(ELF) $(BIN) $(MEM) Makefile
+
+$(ELF): $(SOURCES) picorv32-minimal.ld Makefile
+	$(ARCH)-gcc $(CFLAGS) -o $(ELF) $(SOURCES)
+
+$(BIN): $(ELF)
+	$(ARCH)-objcopy -O binary $(ELF) $(BIN)
+
+$(SVH): $(BIN)
+	../../scripts/bin2initial.scm $(BIN) $(CPU_RAM_REG) > $(SVH)
+
+$(MEM): $(BIN)
+	../../scripts/bin2mem.scm $(BIN) 65536 > $(MEM)
+
+disasm: $(ASM)
+$(ASM): $(ELF)
+	$(ARCH)-objdump -d $(ELF) > $(ASM)
+
+clean:
+	rm -f $(ELF) $(BIN) $(PROJECT).map $(SVH) $(MEM)