# Makefile for Amiga Joystick and Mouse Emulation on Milk-V Duo
# Baremetal Implementation (Targets SRAM at 0x0E000000)

#/* Baremetal Risc-V USB <=> Amiga Joystick/Mouse HID converter. 
 #* March 2026 - Anders Holck
 #* This software has no license. If you choose to use, please include my name :)
#*/

CROSS_COMPILE = riscv64-unknown-elf-
CC = $(CROSS_COMPILE)gcc
AS = $(CROSS_COMPILE)as
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy

# Baremetal flags
CFLAGS = -march=rv64gc -mabi=lp64d -static -mcmodel=medany -fvisibility=hidden -nostdlib -nostartfiles -ffreestanding -O2 -T linker.ld
LDFLAGS = -static -nostdlib -T linker.ld

TARGET = amiga_joystick_mouse.elf
BIN = amiga_joystick_mouse.bin
SRCS = startup.s main.c amiga_hw.c usb_dwc2.c

all: $(BIN)

$(TARGET): $(SRCS)
	$(CC) $(CFLAGS) -o $@ $^

$(BIN): $(TARGET)
	$(OBJCOPY) -O binary $< $@

clean:
	rm -f *.o $(TARGET) $(BIN)

.PHONY: all clean