ZDS2023_Anas_nashif_Nine_years_in_the_making_zephyr.pdf

1、9 Years in the Making,the Story of Zephyr,Starting with Commit Nr.1Anas Nashif,Principal Software Engineer,Intel Corp.20232Introduction The Zephyr Project was started by Intel in 2014 and publicly launched as a Linux Foundation project in 2016,with Synopsys,NXP,and Wind River.Primary goals of the Ze

2、phyr Project:Adoption by silicon vendors and the embedded community while,embracing the open-source and open eco-system vision of founding members.The creation of a unified and a sustainable open eco-system while providing value to firmware developers running on different ISAs and using different OS

3、 environments.Goals have been achieved with majority of silicon vendors adopting Zephyr,products launched with Zephyr,and an ever increasing and vibrant community.The Zephyr Project was ranked among the top“Critical Open-Source Projects”list by Google.3The Zephyr Project in Numbers*Project Started20

4、14Project Went Public2016Commits 80kContributors1,647Targets and Platforms 500Architectures(ISA)13Releases40Pull Requests 40kClosed Issues11,217Open Issues376Lines of Code(C)1MioLTS Releases2*as of 06/20234First Commit?5SMPGithubHow we got here.2015201620172018201920192020202020212021Pre zephyrZephy

5、rificationLaunch2014Unified KernelCmakeNIOS2RISCVSPARCXtensaMIPSNative IP StackBT ControllerDevice TreeMMU/MPUUserspaceWestLTS1Project announced at an internal event Intel20222022LTS2“First Commit”Previous“First Commit”Windriver Rocket6we go further back7 Commercial version of Zephyr launched by Win

6、d River November 2015 A lock-step downstream version of Zephyr,takes care of the OS configuration and hardware integration withWind River Helix App Cloudfor a streamlined development experience.Wind River Rocket8SMPGithubThe Early Days of Zephyr2015201620172018201920192020202020212021Pre zephyrZephy