Difference between revisions of "Fedora ARM Secondary Architecture"

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|[[FedoraARM Secondary Architecture/Repo Bootstrap|Repo Bootstrap]]
 
|[[FedoraARM Secondary Architecture/Repo Bootstrap|Repo Bootstrap]]
  

Revision as of 12:32, 16 April 2010

Introduction

Fedora Secondary Architecture

Fedora supports two primary architectures:

  • i386 - 32-bit Intel/AMD-compatible
  • x86_64 - 64-bit Intel/AMD-compatible

There are also a number of secondary archs:

  • arm - A widely-used, low-power processor family commonly used for embedded and mobile applications
  • ia64 - Itanium
  • pa-risc - HP Precision Architecture
  • ppc - 32-bit Power PC
  • ppc64 - 64-bit Power PC
  • s390 - IBM mainframes (including z90 and z9)
  • sparc - Sun RISC architecture

The ARM architecture is increasingly important, but there's a lot more that could be done in terms of update frequency, number of packages successfully built, transparency of process, and integration with the other Fedora build processes.

ARM Processors

ARM chips are the most popular CPU produced -- approximately 1.6 billion are being made each year. These are being sold under a number of different brand names (ARM, StrongARM, Armada, Cortex, OMAP, Sheeva, Snapdragon, XScale) by a number of different manufacturers. Most of these are going into cellphones, but hundreds of millions are being used in other devices such as routers, NAS boxes, embedded controllers, tablets, and netbooks.

One Laptop Per Child (OLPC) computers, model XO-1.75, use an ARM processor. Since Fedora is used on the XO units, having a reliable ARM build of Fedora is increasingly important.

Goal

To support the Fedora ARM initiative by creating and managing a Koji build farm that will koji-shadow the primary architectures.

Plan

Initial Plan

We're going to set up a Koji build system for ARM. Initially this will be based on the CDOT system HongKong. Initial ARM builders will use QEMU emulation, which will be replaced by ARM Hardware when it arrives.

Status

Notes on Koji status at 2010-04-10 15:50:

  • hub is UP!
  • kojira user added
  • builder on arm-001-008 is UP! -- see: koji list-hosts
  • arm target has been added: koji list-targets
  • test tag has been added: koji list-tags
  • next: need to set up kojira and bootstrap the build process. Also need to set up koji-web.

Current Tasks

Task Person Status Wiki Link
Koji Hub setup - PostgreSQL master Arlene Daniel In Progress - Goal of March 22 Koji Database
Koji Hub setup - Koji Hub configuration Paul Whalen,Sadiki Latty Koji Hub
Koji Hub setup - Certificates/security Sadiki Latty Koji Certificates
Koji Builder setup - Shared filesystem Mashfique Haque Koji shared filesystem
Koji Builder setup - Koji Build Daemon David Cabral 99% Koji Builders
Performance - iSCSI vs. NFS vs. Local USB disk David Chisholm Completed Storage Performance
Initial mock tests on ARM Everyone 80% Initial Mock Compilation Tests
Research and create image for F12 on OpenRD-Client Paul Whalen Completed F12 on OpenRD-Client
NFS setup - HongKong to VMs David Chisholm Completed NFS Configuration
Networking with NAT to connect OpenRD Sadiki Latty Completed NAT
Revise mock config and .repo files in release RPM David Cabral 53% Repos
Build kernels natively and from SRPM Chris Tyler In progress Kernels
Build iSCSI-capable kernel for testing Chris Tyler 100% iSCSI
Set up F12 on OpenRD-Client Chris Tyler 100% OpenRD-Client
Set up F12 on SheevaPlug Alex Pvlahopoulos In progress SheevaPlug
Posters Mashfique Haque In Progress Research Poster
Local F12-ARM mirror David Cabral, David Chisholm, Daniel Gilloch Completed Local mirror of ARM repositories
VM Setup Sadiki Latty, Paul Whalen, Arlene Daniel Completed Set of standing VMs running the ARM image in emulation
Mock configuration Chris Tyler Completed mock configuration repository for ARM
Bootstrap the Koji repo Chris Tyler Completed - ??? Repo Bootstrap

Resources

Wiki Pages

Mailing Lists

  • Fedora Mailing Lists
    • secondary - For discussion of secondary architectures
    • arm - For discussion of the ARM secondary architecture

Sites

IRC

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