Marcin Juszkiewicz, software engineer at Canonical, explains how ARMv8 was bootstrapped with OpenEmbedded with fast model simulation at the Embedded Linux Conference in Barcelona on November 7, 2012.
Abstract:
The time has come – there is ARM 64-bit architecture right behind a corner. In this talk I will present how OpenEmbedded was used to build root filesystem for fast models simmulating not-yet-existing hardware. Presentation is targeted at developers interested in cross compilation, handling new architectures in existing projects.
Agenda of the talk:
- Introduction to Aarch64 – aka arm64 or ARMv8, the new 64-bit version of the ARM architecture
- Introduction to OpenEmbedded – Build system capable to build everything from package to
whole distribution with repositories - First steps:
- Create own layer for AArch64 stuff
- Adding basic support into OE classes
- Machine definition
- Toolchain – Based on gcc 4.7 + ARM patches
- Build results – As of October 2012, 800 packages have been built, and LAMP and SDK images are available
- Typical problems – configure scripts, old config files, and CPU/Architecture definitions
- Current status – Merged into OpenEmbedded, Available in meta-linaro layer and meta-aarch64 layer
- Build Instructions:
123git clone git://git.linaro.org/openembedded/meta-aarch64.gitbash meta-aarch64/scripts/init.shbitbake nano - Lessons learnt
You can download the slides for the presentation. You can also read one of my previous post entitled “Getting Started with 64-bit ARM Development: Hello World and Linux on ARMv8 Fast Models” to have a go.
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
Support CNX Software! Donate via cryptocurrencies, become a Patron on Patreon, or purchase goods on Amazon or Aliexpress
