SummerCart64/sw/riscv/Makefile
2022-01-18 19:21:49 +01:00

68 lines
1.5 KiB
Makefile

TOOLCHAIN = riscv32-unknown-elf-
CC = $(TOOLCHAIN)gcc
CXX = $(TOOLCHAIN)g++
OBJCOPY = $(TOOLCHAIN)objcopy
OBJDUMP = $(TOOLCHAIN)objdump
SIZE = $(TOOLCHAIN)size
FLAGS = -mabi=ilp32 -march=rv32i $(USER_FLAGS)
CFLAGS = -Os -Wall -ffunction-sections -fdata-sections -ffreestanding -MMD -MP
LDFLAGS = -nostartfiles -Wl,--gc-sections
SRC_DIR = src
BUILD_DIR = build
SRC_FILES = \
startup.S \
process.c \
usb.c \
cfg.c \
dma.c \
joybus.c \
rtc.c \
i2c.c \
flashram.c \
uart.c \
flash.c \
dd.c \
isv.c
SRCS = $(addprefix $(SRC_DIR)/, $(SRC_FILES))
OBJS = $(addprefix $(BUILD_DIR)/, $(notdir $(patsubst %,%.o,$(SRCS))))
DEPS = $(OBJS:.o=.d)
VPATH = $(SRC_DIR)
$(@info $(shell mkdir -p ./$(BUILD_DIR) &> /dev/null))
$(BUILD_DIR)/%.S.o: %.S
$(CC) -x assembler-with-cpp $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/%.c.o: %.c
$(CC) $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/governor.elf: $(OBJS) SC64.ld
$(CXX) $(FLAGS) $(LDFLAGS) -TSC64.ld $(OBJS) -o $@
@$(OBJDUMP) -D $@ > $(BUILD_DIR)/governor.lst
$(BUILD_DIR)/governor.bin: $(BUILD_DIR)/governor.elf
@$(OBJCOPY) -O binary --gap-fill 0xFF --pad-to 0x10016800 $< $@
$(BUILD_DIR)/governor.hex: $(BUILD_DIR)/governor.bin
@$(OBJCOPY) -I binary -O ihex $< $@
print_size: $(BUILD_DIR)/governor.elf
@echo 'Size of modules:'
@$(SIZE) -B -d -t --common $(OBJS)
@echo 'Size of governor:'
@$(SIZE) -B -d $<
all: $(BUILD_DIR)/governor.hex print_size
clean:
@rm -rf ./$(BUILD_DIR)/*
.PHONY: all clean print_size
-include $(DEPS)