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= Fedora ARM =
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| style="border-width: 0;" | {{admon/tip | Have a question? | Join the Fedora ARM team on IRC in [irc://irc.freenode.net/fedora-arm #fedora-arm] on [http://freenode.net Freenode]
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This is the starting page for the Fedora port to the ARM architecture.
= Introduction =


Welcome to the architecture page for ARM. This covers both ARMv7 (aka armhfp and arm-32) and aarch64 (aka ARMv8 and arm-64).


Fedora on ARM supports a wide variety of hardware from large enterprise aarch64 SBSA compliant hardware down to cheap single board computers (SBCs). We're primarily focused on Server, SBCs, IoT and other usecases that are similar to the Fedora Workstation / Server / Cloud that other Fedora architectures support.


== Goals and Objectives ==
The Fedora software stack experience across both the 32 and 64 bit ARM architecture variants is very similar, and in most cases identical, to what you would find on any other Fedora architecture. We use solely upstream kernels and don't use different kernels for each different ARM device we support.


The primary goal of this project is to provide support for ARM as a [[TomCallaway/SecondaryArchitectures|  secondary architecture]]  in Fedora.
== Getting started ==


A secondary goal is to enable derivative distributions based on the Fedora package collection and repository that are more suitably optimized for embedded and mobile use-cases.
The first starting point for ARM is the [[Architectures/ARM/Installation | ARM Installation Guide]] or [[Architectures/AArch64/F27/Installation | AARCH64 F27 Installation Guide]]


== Technical Approach ==
== Download ==


=== Native Compilation ===
=== Current stable release ===


Fedora policy requires that packages be natively compiled. We use a cluster of ARM hardware and QEMU virtual machines to build the packages natively for ARM.


=== CPU and Architecture Target ===
* The current stable release for ARMv7 can always be found at the [https://arm.fedoraproject.org/ ARM Image landing page]
* The current stable release for aarch64 can always be found at [https://alt.fedoraproject.org/alt/ Alternate Architectures landing page]


The baseline ARM CPU architecture that we have chosen to support is ARMv5TE, Little Endian, Soft-Float, EABI. We believe that this provides a nice baseline and that the pre-built packages and root file system images. You should be able to use this on many of the modern ARM CPUs, including XScale, ARM926 and ARM-11, etc.
=== Current development releases ===


Although we do not provide such binaries, the sources also lend themselves for building for pre-ARMv5TE hardware. The same is true for big-endian CPUs.
There are currently two development releases. Fedora 28 is in the stabilisation phase, Fedora rawhide (29) is in the development phase.


=== Installer and Kernel ===
*  [https://dl.fedoraproject.org/pub/fedora/linux/releases/test/28_Beta/ Fedora 28 Beta ]
*  [https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/ Fedora Rawhide ]


We currently do not plan to provide an installer, ISO images, or a kernel. Unlike in the x86 world, different ARM CPU families require different kernel images. Likewise, it is not entirely clear whether it makes sense to provide an installer or ISO images.
== Supported Hardware and Devices ==


== Getting Started with the Fedora ARM Port ==
We support a wide variety of hardware and devices from numerous Single Board Computers (SBCs) like the Raspberry Pi 2 and 3 through to Chromebooks and SBSA compliant Servers.


The easiest way to get started is to download a [http://ftp.linux.org.uk/pub/linux/arm/fedora/rootfs/rootfs-f12.tar.bz2 prebuilt root filesystem]  built from F12 packages that includes yum. This is suitable to chroot into, and then installing additional packages as needed using yum.
Here is list of device pages based on device category or SoC:


* [[Architectures/ARM/HowToQemu| Using Fedora ARM with Qemu]]  
* [[Architectures/ARM/Raspberry_Pi|Raspberry Pi]]
* [[Architectures/ARM/PlatformSheevaplug| Using Fedora ARM with Sheevaplug]]  
* [[Architectures/ARM/Chromebook|Chromebooks]]
* [[Architectures/ARM/SheevaplugUSB| Using Fedora ARM on a Sheevaplug from USB drive]]
* [http://docs.fedoraproject.org/en-US/Fedora/26/html/Installation_Guide/chap-pxe-server-setup.html SBSA aarch64 Servers]
* [[Architectures/ARM/SheevaplugInstaller| Installing Fedora ARM on a Sheevaplug]]
* [[Architectures/ARM/96Boards|96Boards devices]]
* [[Architectures/ARM/AllWinner|All Winner based devices]]
* [[Architectures/ARM/mvebu|Marvell EBU based devices]]
* [[Architectures/ARM/Tegra|nVidia Tegra based devices]]
* [[Architectures/ARM/iMX6|NXP i.MX6 based devices]]
* [[Architectures/ARM/RockChips|RockChips based devices]]
* [[Architectures/ARM/STi|STMicroelectronics based devices]]
* [[Architectures/ARM/exynos|Samsung EXYNOS based devices]] e.g., Odroid XU4
* [[Architectures/ARM/TI|Texas Instruments based devices]]


If you are interested in an account on an ARM machine, contact LennertBuytenhek.
We don't directly support devices such as phones and tablets but it's not to say that without the required kernel/bootloader know how that they don't work, it's just not our primary focus.


== Fedora ARM Repositories ==
= Supported Hardware Addons =
* [[Architectures/ARM/i2c|i2c and devices attached to i2c]]


The work to date is available from: [http://ftp.linux.org.uk/pub/linux/arm/fedora/] .
= Get Involved with Fedora ARM =


=== Latest Release: Fedora 12 ===
=== Communication ===
The following is available for F12:


* A [http://ftp.linux.org.uk/pub/linux/arm/fedora/diffs-f12/ set of patches]  necessary to make Fedora packages build for ARM.
* Mailing list: {{fplist|arm}} ([https://lists.fedoraproject.org/archives/list/arm@lists.fedoraproject.org/ archives])
* A set of binary RPMs from the [http://ftp.linux.org.uk/pub/linux/arm/fedora/pub/fedora/linux/releases/12/Everything/arm/os/Packages/ base F12 repository]  and the [http://ftp.linux.org.uk/pub/linux/arm/fedora/pub/fedora/linux/updates/12/arm F12 updates repository] (still being rsynced...).
* IRC: {{fpchat|#fedora-arm}} on http://freenode.net
* A [http://ftp.linux.org.uk/pub/linux/arm/fedora/rootfs/rootfs-f12.tar.bz2 prebuilt root filesystem]  to help you get started quickly. (Default root password is "fedoraarm")


=== Older Fedora releases ===
=== Meetings ===
See [[Architectures/ARM/OlderReleases|this page]].
* IRC: {{fpchat|#fedora-meeting-2}} Every Tuesday at 16:00 UTC.


=== And more ===
=== Scratch an itch ===
We also provide:
All architectures are now integrated into the standard Fedora process. We don't diverge in any way. So without even realising everyone is already involved. To get involved in something more specific whether that's support for particular pieces of hardware or hardware feature, a particular piece of software, to help test or to scratch an itch a good spot to start is the mailing list or IRC channel.
* an ARM [[Architectures/ARM/CrossToolchain|cross toolchain]], built from Fedora sources.
* a utility called [[Architectures/ARM/RfsBuild|Rfsbuild]] for building ARM Root File Systems.


== Contribute ==
=== Bug Reporting ===
* A list of builds that are failing on ARM architecture is maintained [http://arm.koji.fedoraproject.org/packages_to_be_fixed.html here]. It is a good starting point for anyone willing to contribute to the Fedora-ARM project. The list is updated daily.
Bugs should be reported against their prospective packages as per standard Fedora process. Add a blocker of "ARMTracker" which will link to our [https://bugzilla.redhat.com/show_bug.cgi?id=245418 ARM architecture tracker bug]. If the bug is on a pre release version of Fedora and you feel it's release affecting it might be considered a [[QA:SOP_blocker_bug_process|Blocker Bug]] or [[QA:SOP_freeze_exception_bug_process|Freeze Exception]] in which case it should be reported in the [https://qa.fedoraproject.org/blockerbugs/ QA Blocker bug app].
* We have a [[Architectures/ARM/TODO|TODO list]].
* Have a look at the [[Architectures/ARM/Credits| Credits page]]


=== How to get in touch? ===
=== Getting help with ARM build issues ===
* The [http://www.redhat.com/mailman/listinfo/fedora-arm Fedora-ARM mailing list]  is available for both user and developer discussions.
* We also have an IRC channel #fedora-arm on Freenode.
* Frequent updates about the effort are available at the [http://fedora-arm.blogspot.com Fedora-ARM blog]
=== Tracker Bugs ===
If excluding ARM architectures you need to make the bug block '''F-ExcludeArch-ARM'''


to see whats currently blocking visit [https://bugzilla.redhat.com/show_bug.cgi?id=F-ExcludeArch-ARM Bugzilla ]
The best place to get help with ARM issues is on #fedora-arm on Freenode. The Fedora users and developers from around the world will assist when they are available but due to the many time zones your question may not be answered right away so its best to remain in channel. You can also email the Fedora ARM mailing list for assistance.
 
If a bug is specific to ARM architectures make the bug blocking '''ARMTracker'''
 
to see not yet resolved issues visit [https://bugzilla.redhat.com/show_bug.cgi?id=ARMTracker  Bugzilla ]
=== Package Maintainer Notes ===
As part of setting up to be a package maintainer, you should have run fedora-packager-setup from the fedora-packager rpm. That will write secondary arch config files in ~/.koji. To kick off a build for a package you maintain, run:
<pre>
make SECONDARY_CONFIG="-c ~/.koji/arm-config" build
</pre>


[[Category:ARMv7]][[Category:AArch64]]
[[Category:Arch-specific SIGs]][[Category:SIGs]]
[[Category:Arch-specific SIGs]][[Category:SIGs]]
[[Category:Fedora special-interest groups|ARM]]

Revision as of 14:49, 6 April 2018

Shortcut:
Arch:ARM
Shortcut:
Arch:AArch64
Idea.png
Have a question?
Join the Fedora ARM team on IRC in #fedora-arm on Freenode

Introduction

Welcome to the architecture page for ARM. This covers both ARMv7 (aka armhfp and arm-32) and aarch64 (aka ARMv8 and arm-64).

Fedora on ARM supports a wide variety of hardware from large enterprise aarch64 SBSA compliant hardware down to cheap single board computers (SBCs). We're primarily focused on Server, SBCs, IoT and other usecases that are similar to the Fedora Workstation / Server / Cloud that other Fedora architectures support.

The Fedora software stack experience across both the 32 and 64 bit ARM architecture variants is very similar, and in most cases identical, to what you would find on any other Fedora architecture. We use solely upstream kernels and don't use different kernels for each different ARM device we support.

Getting started

The first starting point for ARM is the ARM Installation Guide or AARCH64 F27 Installation Guide

Download

Current stable release

Current development releases

There are currently two development releases. Fedora 28 is in the stabilisation phase, Fedora rawhide (29) is in the development phase.

Supported Hardware and Devices

We support a wide variety of hardware and devices from numerous Single Board Computers (SBCs) like the Raspberry Pi 2 and 3 through to Chromebooks and SBSA compliant Servers.

Here is list of device pages based on device category or SoC:

We don't directly support devices such as phones and tablets but it's not to say that without the required kernel/bootloader know how that they don't work, it's just not our primary focus.

Supported Hardware Addons

Get Involved with Fedora ARM

Communication

Meetings

Scratch an itch

All architectures are now integrated into the standard Fedora process. We don't diverge in any way. So without even realising everyone is already involved. To get involved in something more specific whether that's support for particular pieces of hardware or hardware feature, a particular piece of software, to help test or to scratch an itch a good spot to start is the mailing list or IRC channel.

Bug Reporting

Bugs should be reported against their prospective packages as per standard Fedora process. Add a blocker of "ARMTracker" which will link to our ARM architecture tracker bug. If the bug is on a pre release version of Fedora and you feel it's release affecting it might be considered a Blocker Bug or Freeze Exception in which case it should be reported in the QA Blocker bug app.

Getting help with ARM build issues

The best place to get help with ARM issues is on #fedora-arm on Freenode. The Fedora users and developers from around the world will assist when they are available but due to the many time zones your question may not be answered right away so its best to remain in channel. You can also email the Fedora ARM mailing list for assistance.

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