commit cc8a6f6a6f3573836c4d56261b84055118be0332 Author: Jack Halford Date: Sun Feb 4 14:37:23 2018 +0100 first commit! diff --git a/kernel-rs/Makefile b/kernel-rs/Makefile new file mode 100644 index 00000000..464c7329 --- /dev/null +++ b/kernel-rs/Makefile @@ -0,0 +1,36 @@ +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 $@ diff --git a/kernel-rs/Vagrantfile b/kernel-rs/Vagrantfile new file mode 100644 index 00000000..d46deb85 --- /dev/null +++ b/kernel-rs/Vagrantfile @@ -0,0 +1,77 @@ +# -*- 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 If you disable this, then + # boxes will only be checked for updates when the user runs + # `vagrant box outdated`.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 diff --git a/kernel-rs/src/arch/x86_64/boot.asm b/kernel-rs/src/arch/x86_64/boot.asm new file mode 100644 index 00000000..ec460075 --- /dev/null +++ b/kernel-rs/src/arch/x86_64/boot.asm @@ -0,0 +1,8 @@ +global start + +section .text +bits 32 +start: + ; print OK to screen + mov dword [0xb8000], 0x2f4b2f4f + hlt diff --git a/kernel-rs/src/arch/x86_64/linker.ld b/kernel-rs/src/arch/x86_64/linker.ld new file mode 100644 index 00000000..89751965 --- /dev/null +++ b/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) + } +} diff --git a/kernel-rs/src/arch/x86_64/multiboot_header.asm b/kernel-rs/src/arch/x86_64/multiboot_header.asm new file mode 100644 index 00000000..737a2b95 --- /dev/null +++ b/kernel-rs/src/arch/x86_64/multiboot_header.asm @@ -0,0 +1,15 @@ +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: