Makefile

target := riscv64imac-unknown-none-elf
mode   := debug
kernel := target/$(target)/$(mode)/os
bin    := target/$(target)/$(mode)/kernel.bin

objdump := rust-objdump --arch-name=riscv64
objcopy := rust-objcopy --binary-architecture=riscv64

.PHONY: kernel build clean qemu run env

env:
	cargo install cargo-binutils
	rustup component add llvm-tools-preview rustfmt
	rustup target add $(target)

kernel:
	cargo build

$(bin): kernel
	$(objcopy) $(kernel) --strip-all -O binary $@

asm:
	$(objdump) -d $(kernel) | less

header:
	$(objdump) -h $(kernel) | less

build: $(bin)

clean:
	cargo clean

qemu: build
	qemu-system-riscv64 \
		-machine virt \
		-nographic \
		-bios default \
		-device loader,file=$(bin),addr=0x80200000

qemu-debug: build
	qemu-system-riscv64 \
		-machine virt \
		-nographic \
		-bios default \
		-device loader,file=$(bin),addr=0x80200000 \
		-s -S

run: build qemu

debug: build qemu-debug

gdb:
	riscv64-unknown-elf-gdb $(kernel) -command=gdb.script