SummerCart64/sw/riscv/Makefile
Polprzewodnikowy 5671e20c3f huge cleanup
2021-09-01 17:21:41 +02:00

51 lines
1.6 KiB
Makefile

TOOLCHAIN = riscv64-unknown-elf-
CC = $(TOOLCHAIN)gcc
OBJCOPY = $(TOOLCHAIN)objcopy
SIZE = $(TOOLCHAIN)size
FLAGS = -mabi=ilp32 -march=rv32i
CFLAGS = -Os -Wall -ffunction-sections -fdata-sections -ffreestanding -MMD -MP
LDFLAGS = -nostartfiles -Wl,--gc-sections
SRC_DIR = src
BUILD_DIR = build
BOOTLOADER_DIR = ../../fw/rtl/cpu
SRCS = $(wildcard $(patsubst %, %/*.c, . $(SRC_DIR)))
OBJS = $(addprefix $(BUILD_DIR)/, $(notdir $(SRCS:.c=.o)))
DEPS = $(OBJS:.o=.d)
VPATH = $(SRC_DIR)
all: make_output_dir $(BOOTLOADER_DIR)/cpu_bootloader.sv $(BUILD_DIR)/controller.rom
$(BUILD_DIR)/%.o: %.c
$(CC) $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/uc.elf: $(OBJS) SC64.ld
$(CC) $(FLAGS) $(LDFLAGS) -TSC64.ld $(OBJS) -o $@
$(BUILD_DIR)/controller.rom: $(BUILD_DIR)/uc.elf
$(OBJCOPY) -R .bootloader $(BUILD_DIR)/uc.elf $(BUILD_DIR)/controller.elf
$(OBJCOPY) -O binary --set-section-flags .bss=alloc,contents $(BUILD_DIR)/controller.elf $(BUILD_DIR)/controller.bin
python3 tools/bin2rom.py $@ < $(BUILD_DIR)/controller.bin
@echo 'Size of controller:'
@$(SIZE) -B build/controller.elf
$(BOOTLOADER_DIR)/cpu_bootloader.sv: $(BUILD_DIR)/uc.elf
$(OBJCOPY) -j .bootloader $(BUILD_DIR)/uc.elf $(BUILD_DIR)/bootloader.elf
$(OBJCOPY) -O binary $(BUILD_DIR)/bootloader.elf $(BUILD_DIR)/bootloader.bin
python3 tools/bin2sv.py tools/cpu_bootloader_template.sv $@ < $(BUILD_DIR)/bootloader.bin
@echo 'Size of bootloader:'
@$(SIZE) -B build/bootloader.elf
make_output_dir:
@$(shell mkdir ./$(BUILD_DIR) 2> /dev/null)
clean:
rm -rf build
.PHONY: all make_output_dir clean
-include $(DEPS)