first commit!

kernel-rs/Makefile

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+arch	?= x86_64
+kernel	:= build/kernel-$(arch).bin
+iso		:= build/os-$(arch).iso
+
+linker_script		:= src/arch/$(arch)/linker.ld
+grub.cfg			:= src/arch/$(arch)/grub.cfg
+asm_source_files	:= $(wildcard src/arch/$(arch)/*.asm)
+asm_object_files	:= $(patsubst src/arch/$(arch)/%.asm, \
+	build/arch/$(arch)/%.o, $(asm_source_files))
+
+.PHONY: all clean run iso
+
+all: $(kernel)
+
+clean:
+	@rm -r build
+
+run: $(iso)
+	@qemu-system-x86_64 -cdrom $(iso)
+
+iso: $(iso)
+
+$(iso): $(kernel) $(grub.cfg)
+	@mkdir -p build/isofiles/boot/grub
+	@cp $(kernel) build/isofiles/boot/kernel.bin
+	@cp $(grub.cfg) build/isofiles/boot/grub
+	@grub-mkrescue -o $(iso) build/isofiles 2>/dev/null
+	@rm -r build/isofiles
+
+$(kernel): $(asm_object_files) $(linker_script)
+	@ld -n -T $(linker_script) -o $(kernel) $(asm_object_files)
+
+# compile asm files
+build/arch/$(arch)/%.o: src/arch/$(arch)/%.asm
+	@mkdir -p $(shell dirname $@)
+	@nasm -felf64 $< -o $@

kernel-rs/Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure # configures the configuration version (we support older styles for # backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure(2) do |config|
+  # The most common configuration options are documented and commented below.
+  # For a complete reference, please see the online documentation at
+  # https://docs.vagrantup.com.
+
+  # Every Vagrant development environment requires a box. You can search for
+  # boxes at https://atlas.hashicorp.com/search.
+  config.vm.box = "debian/jessie64"
+
+  # Disable automatic box update checking. If you disable this, then
+  # boxes will only be checked for updates when the user runs
+  # `vagrant box outdated`. This is not recommended.
+  # config.vm.box_check_update = false
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine. In the example below,
+  # accessing "localhost:8080" will access port 80 on the guest machine.
+  # config.vm.network "forwarded_port", guest: 80, host: 8080
+
+  # Create a private network, which allows host-only access to the machine
+  # using a specific IP.
+  # config.vm.network "private_network", ip: "192.168.33.10"
+
+  # Create a public network, which generally matched to bridged network.
+  # Bridged networks make the machine appear as another physical device on
+  # your network.
+  # config.vm.network "public_network"
+
+  # Share an additional folder to the guest VM. The first argument is
+  # the path on the host to the actual folder. The second argument is
+  # the path on the guest to mount the folder. And the optional third
+  # argument is a set of non-required options.
+  # config.vm.synced_folder "../data", "/vagrant_data"
+
+  # Provider-specific configuration so you can fine-tune various
+  # backing providers for Vagrant. These expose provider-specific options.
+  # Example for VirtualBox:
+  #
+  # config.vm.provider "virtualbox" do |vb|
+  #   # Display the VirtualBox GUI when booting the machine
+  #   vb.gui = true
+  #
+  #   # Customize the amount of memory on the VM:
+  #   vb.memory = "1024"
+  # end
+  #
+  # View the documentation for the provider you are using for more
+  # information on available options.
+
+  # Define a Vagrant Push strategy for pushing to Atlas. Other push strategies
+  # such as FTP and Heroku are also available. See the documentation at
+  # https://docs.vagrantup.com/v2/push/atlas.html for more information.
+  # config.push.define "atlas" do |push|
+  #   push.app = "YOUR_ATLAS_USERNAME/YOUR_APPLICATION_NAME"
+  # end
+
+  # Enable provisioning with a shell script. Additional provisioners such as
+  # Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the
+  # documentation for more information about their specific syntax and use.
+   config.vm.provision "shell", inline: <<-SHELL
+      sudo apt-get update
+      sudo apt-get install nasm -y
+      sudo apt-get install xorriso -y
+      sudo apt-get install git -y
+      sudo apt-get install vim -y
+      sudo apt-get install -y qemu
+      # curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --yes
+      # multirust default nightly-2015-11-19 
+  SHELL
+
+  config.ssh.forward_x11 = true
+end

kernel-rs/src/arch/x86_64/boot.asm

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+global start
+
+section .text
+bits 32
+start:
+	; print OK to screen
+	mov dword [0xb8000], 0x2f4b2f4f
+	hlt

kernel-rs/src/arch/x86_64/linker.ld

@@ -0,0 +1,16 @@
+ENTRY(start)
+
+SECTIONS {
+	. = 1M;
+
+	.boot :
+	{
+		/* ensure that the multiboot header is at the beginning */
+		*(.multiboot_header)
+	}
+
+	.text :
+	{
+		*(.text)
+	}
+}

kernel-rs/src/arch/x86_64/multiboot_header.asm

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+section .multiboot_header
+header_start:
+	dd 0xe85250d6					; magic number (multiboot 2)
+	dd 0							; architecture - (protected mode i386)
+	dd header_end - header_start	; header length
+	; checksum
+	dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start))
+
+	; insert optional multiboot tags here
+
+	; required end tag here
+	dw	0	; type
+	dw	0	; flags
+	dd	0	; size
+header_end: