mcuboot/docs/index.md

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# MCUboot
## Overview
MCUboot is a secure bootloader for 32-bit MCUs. The goal of MCUboot is to
define a common infrastructure for the bootloader, system flash layout on
microcontroller systems, and to provide a secure bootloader that enables
easy software upgrade.
MCUboot is operating system and hardware independent, and relies on
hardware porting layers from the operating system it works with. Currently
MCUboot works with both the Apache Mynewt, and Zephyr operating systems, but
more ports are planned in the future. RIOT is currently supported as a boot
target with a complete port planned.
## Contents
- General: this document
- [Release notes]({% link release-notes.md %})
- [design]({% link design.md %}): for the design
- [imgtool]({% link imgtool.md %}): The image signing and key management
tool.
- [Patch submission]({% link SubmittingPatches.md %}) for information
on how to contribute to mcuboot.
- Testing
- The [Zephyr]({% link testplan-zephyr.md %}) test plan.
- The [mynewt]({% link testplan-mynewt.md %}) test plan.
- Our [release process]({% link release.md %}).
There is also a document about [signed images]({% link
signed_images.md %}) that is out of date. You should use `imgtool.py`
instead of these documents.
## Roadmap
The issues being planned and worked on are tracked on Jira. To participate
please visit:
[MCUboot JIRA](https://runtimeco.atlassian.net/projects/MCUB/summary)
## Browsing
Information and documentation on the bootloader is stored within the source, and on confluence:
[Confluence page](https://runtimeco.atlassian.net/wiki/discover/all-updates)
For more information in the source, here are some pointers:
- [boot/bootutil](https://github.com/runtimeco/mcuboot/tree/master/boot/bootutil): The core of the bootloader itself.
- [boot/boot\_serial](https://github.com/runtimeco/mcuboot/tree/master/boot/boot_serial): Support for serial upgrade within the bootloader itself.
- [boot/zephyr](https://github.com/runtimeco/mcuboot/tree/master/boot/zephyr): Port of the bootloader to Zephyr
- [boot/mynewt](https://github.com/runtimeco/mcuboot/tree/master/boot/mynewt): Mynewt bootloader app
- [imgtool](https://github.com/runtimeco/mcuboot/tree/master/imgtool): A tool to securely sign firmware images for booting by MCUboot.
- [sim](https://github.com/runtimeco/mcuboot/tree/master/sim): A bootloader simulator for testing and regression
## Joining
Developers welcome!
* [Our developer mailing list](http://lists.runtime.co/mailman/listinfo/dev-mcuboot_lists.runtime.co)
* [Our Slack channel](https://mcuboot.slack.com/)<br />
Get your invite [here!](https://join.slack.com/t/mcuboot/shared_invite/MjE2NDcwMTQ2MTYyLTE1MDA4MTIzNTAtYzgyZTU0NjFkMg)
* [Our IRC channel](http://irc.freenode.net), channel #mcuboot ([IRC
link](irc://chat.freenode.net/#mcuboot)