Makefile

.PHONY: setup image qemu
.EXPORT_ALL_VARIABLES:

setup:
	curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain none
	rustup show
	cargo install bootimage

# Compilation options
memory = 32
output = video# video, serial
keyboard = qwerty# qwerty, azerty, dvorak
mode = release

# Emulation options
nic = rtl8139# rtl8139, pcnet
audio = sdl# sdl, coreaudio
kvm = false
pcap = false
monitor = false

export RUSTOS_VERSION = $(shell git describe --tags | sed "s/^v//")
export RUSTOS_MEMORY = $(memory)
export RUSTOS_KEYBOARD = $(keyboard)

# Build userspace binaries
user-nasm:
	basename -s .s dsk/src/bin/*.s | xargs -I {} \
    nasm dsk/src/bin/{}.s -o dsk/bin/{}.tmp
	basename -s .s dsk/src/bin/*.s | xargs -I {} \
		sh -c "printf '\x7FBIN' | cat - dsk/bin/{}.tmp > dsk/bin/{}"
	rm dsk/bin/*.tmp
user-rust:
	basename -s .rs src/bin/*.rs | xargs -I {} \
		touch dsk/bin/{}
	basename -s .rs src/bin/*.rs | xargs -I {} \
		cargo rustc --release --bin {}
	basename -s .rs src/bin/*.rs | xargs -I {} \
		cp target/x86-64-rust_os/release/{} dsk/bin/{}
	strip dsk/bin/*

bin = target/x86-64-rust_os/$(mode)/bootimage-rust_os.bin
img = disk.img

$(img):
	qemu-img create $(img) 32M


cargo-opts = --no-default-features --features $(output) --bin rust_os
ifeq ($(mode),release)
	cargo-opts += --release
endif

# Rebuild MOROS if the features list changed
image: $(img)
	touch src/lib.rs
	env | grep RUSTOS
	cargo bootimage $(cargo-opts)
	dd conv=notrunc if=$(bin) of=$(img)


qemu-opts = -m $(memory) -drive file=$(img),format=raw \
			 -audiodev $(audio),id=a0 -machine pcspk-audiodev=a0 \
			 -netdev user,id=e0, -device $(nic),netdev=e0

ifeq ($(output),serial)
	qemu-opts += -display none -chardev stdio,id=s0,signal=off -serial chardev:s0
endif

ifeq ($(mode),debug)
	qemu-opts += -s -S
endif

# In debug mode, open another terminal with the following command
# and type `continue` to start the boot process:
# > gdb target/x86_64-rust_os/debug/rust_os -ex "target remote :1234"

qemu:
	qemu-system-x86_64 $(qemu-opts)

test:
	cargo test --release --lib --no-default-features --features serial -- \
		-m $(memory) -display none -serial stdio -device isa-debug-exit,iobase=0xf4,iosize=0x04
clean:
	cargo clean