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Philipp Oppermann
2015-11-07 01:12:33 +01:00
parent e8b6947555
commit b9a35036e3
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posts/2015-08-18-multiboot-kernel.md
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--- ---
layout: post layout: post
title: 'A minimal x86 kernel' title: 'A minimal x86 kernel'
redirect_from: '/rust-os/2015/08/18/multiboot-kernel/' redirect_from: '/2015/08/18/multiboot-kernel/'
--- ---
This post explains how to create a minimal x86 operating system kernel. In fact, it will just boot and print `OK` to the screen. The following blog posts we will extend it using the [Rust] programming language. This post explains how to create a minimal x86 operating system kernel. In fact, it will just boot and print `OK` to the screen. The following blog posts we will extend it using the [Rust] programming language.

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posts/2015-08-25-entering-longmode.md
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--- ---
layout: post layout: post
title: 'Entering Long Mode' title: 'Entering Long Mode'
redirect_from: "/rust-os/2015/08/25/entering-longmode/" redirect_from: "/2015/08/25/entering-longmode/"
updated: 2015-10-29 00:00:00 +0000 updated: 2015-10-29 00:00:00 +0000
--- ---
In the [previous post] we created a minimal multiboot kernel. It just prints `OK` and hangs. The goal is to extend it and call 64-bit [Rust] code. But the CPU is currently in [protected mode] and allows only 32-bit instructions and up to 4GiB memory. So we need to setup _Paging_ and switch to the 64-bit [long mode] first. In the [previous post] we created a minimal multiboot kernel. It just prints `OK` and hangs. The goal is to extend it and call 64-bit [Rust] code. But the CPU is currently in [protected mode] and allows only 32-bit instructions and up to 4GiB memory. So we need to setup _Paging_ and switch to the 64-bit [long mode] first.

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posts/2015-09-02-setup-rust.md
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--- ---
layout: post layout: post
title: 'Setup Rust' title: 'Setup Rust'
redirect_from: "/rust-os/2015/09/02/setup-rust/" redirect_from: "/2015/09/02/setup-rust/"
--- ---
In the previous posts we created a [minimal Multiboot kernel][multiboot post] and [switched to Long Mode][long mode post]. Now we can finally switch to [Rust] code. Rust is a high-level language without runtime. It allows us to not link the standard library and write bare metal code. Unfortunately the setup is not quite hassle-free yet. In the previous posts we created a [minimal Multiboot kernel][multiboot post] and [switched to Long Mode][long mode post]. Now we can finally switch to [Rust] code. Rust is a high-level language without runtime. It allows us to not link the standard library and write bare metal code. Unfortunately the setup is not quite hassle-free yet.

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posts/2015-10-23-printing-to-screen.md
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--- ---
layout: post layout: post
title: 'Printing to Screen' title: 'Printing to Screen'
redirect_from: "/rust-os/2015/10/23/printing-to-screen/" redirect_from: "/2015/10/23/printing-to-screen/"
--- ---
In the [previous post] we switched from assembly to [Rust], a systems programming language that provides great safety. But so far we are using unsafe features like [raw pointers] whenever we want to print to screen. In this post we will create a Rust module that provides a safe and easy-to-use interface for the VGA text buffer. It will support Rust's [formatting macros], too. In the [previous post] we switched from assembly to [Rust], a systems programming language that provides great safety. But so far we are using unsafe features like [raw pointers] whenever we want to print to screen. In this post we will create a Rust module that provides a safe and easy-to-use interface for the VGA text buffer. It will support Rust's [formatting macros], too.