Difference between revisions of "Fedora ARM Secondary Architecture"

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|[[User:Paul.W|Paul Whalen]],[[User:Sadiki|Sadiki Latty]]
 
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|[[User:Mashh|Mashfique Haque]]
 
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|[[User:Dpcabra1|David Cabral]]
 
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|NFS setup - HongKong to VMs
 
|NFS setup - HongKong to VMs
 
|[[User:Dmchisho|David Chisholm]]
 
|[[User:Dmchisho|David Chisholm]]
 
|Completed
 
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|Networking with NAT to connect OpenRD
 
|Networking with NAT to connect OpenRD
 
|[[User:Sadiki|Sadiki Latty]]
 
|[[User:Sadiki|Sadiki Latty]]
 
|In Progress
 
|In Progress
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|[[Fedora ARM Secondary Architecture/Local mirror of ARM repositories|Repos]]
 
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|Build kernels natively and from SRPM
 
|Build kernels natively and from SRPM

Revision as of 15:27, 24 March 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 will become increasingly important.

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.

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 Koji Builders
Performance - iSCSI vs. NFS vs. Local USB disk David Chisholm In Progress Storage Performance
Initial mock tests on ARM Everyone 80% Initial Mock Compilation Tests
Research and create image for F12 on OpenRD-Client Paul Whalen In progress
NFS setup - HongKong to VMs David Chisholm Completed NFS Configuration
Networking with NAT to connect OpenRD Sadiki Latty In Progress 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
Set up F12 on OpenRD-Client Chris Tyler 100% OpenRD-Client

Completed Tasks

  1. Local mirror of ARM repositories
    • David Cabral
    • David Chisholm
    • Daniel Gilloch
  2. Set of standing VMs running the ARM image in emulation
    • Sadiki Latty
    • Paul Whalen
    • Arlene Daniel
  3. mock configuration repository for ARM
    • Chris Tyler

Resources

Wiki Pages

Mailing Lists

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

Sites

IRC