osAttempt1

https://os.phil-opp.com/multiboot-kernel/

im copying this dude and trying to learn and hopely expand upon this minimal kernel currently at remapping the kernel

tools

• ld
• grub-mkrescue
• make
• nasm 2.13+
• qemu-system-x86_64
• xargo

to do's

	* learn about the impact of translating this to arm architecture
	* finish os tutorial  

to prepare for rust

* install rustup
	* curl https://sh.rustup.rs -sSf | sh
	### [if this error happens:] (https://www.howtodojo.com/2017/09/install-rust-ubuntu-16-04/) ###
	>  error: it looks like you have an existing installation of Rust at:
	>  error: /usr/bin

	*  sudo apt-get -y remove rustc
	*  sudo apt -y autoremove
	*  curl https://sh.rustup.rs -sSf | sh

* install nightly build
	* rustup override add nightly

* install xargo
	* cargo install xargo

build commands

* nasm `nasm -felf64 $< -o $@`
* linking `d -n -T $(linker_script) -o $(kernel) $(assembly_object_files)`
* grub  `grub-mkrescue -o $(iso) build/isofiles`
* qemu-run `qemu-system-x86_64 -cdrom $(iso)`

* building rust os  `RUST_TARGET_PATH=$(pwd) xargo build --target=x86_64-blog_os`