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rv_tests/hello_world/Makefile

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+# RISC-V toolchain
+CC = riscv64-unknown-elf-gcc
+AS = riscv64-unknown-elf-as
+LD = riscv64-unknown-elf-ld
+OBJCOPY = riscv64-unknown-elf-objcopy
+QEMU = qemu-system-riscv64
+
+# Compilation flags
+ARCH_FLAGS = -march=rv64imac -mabi=lp64
+LDSCRIPT = linker.ld
+
+# Output files
+ELF = hello.elf
+BIN = hello.bin
+OBJ = hello.o
+SRC = hello.S
+
+# Default rule
+all: $(BIN)
+
+# Assemble and link to ELF
+$(ELF): $(SRC) $(LDSCRIPT)
+	$(AS) $(ARCH_FLAGS) -o $(OBJ) $(SRC)
+	$(LD) -T $(LDSCRIPT) -o $(ELF) $(OBJ)
+
+# Convert ELF to raw binary
+$(BIN): $(ELF)
+	$(OBJCOPY) -O binary $(ELF) $(BIN)
+
+# Run in QEMU
+run: $(BIN)
+	echo "Press CTRL+A then X to exit QEMU"
+	$(QEMU) -machine virt -nographic -bios none -kernel $(BIN) -device loader,file=$(BIN),addr=0x80000000
+
+# Clean up generated files
+clean:
+	rm -f $(OBJ) $(ELF) $(BIN)