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Ameba Linux Repo Manifest README

This repo is used to download manifests for Ameba Linux BSP releases.

Install the repo utility:

To use this manifest repo, the repo tool must be installed first.

Many Linux distros include repo, so you might be able to install from there.

# Debian/Ubuntu.
$ sudo apt-get install repo

# Gentoo.
$ sudo emerge dev-vcs/repo

You can also install it manually as well as it's a single script.

$ mkdir -p ~/.bin
$ PATH="${HOME}/.bin:${PATH}"
$ curl https://storage.googleapis.com/git-repo-downloads/repo > ~/.bin/repo
$ chmod a+rx ~/.bin/repo

Download Ameba Yocto Project SDK

$ mkdir <release>
$ cd <release>
$ repo init -u https://github.com/Ameba-AIoT/ameba-linux-manifest -b <branch name> [ -m <release manifest>]
$ repo sync

Each branch will have detailed READMEs describing exact syntax.

Examples

To download the ameba-5.4.248-3.3.0 release

$ repo init -u https://github.com/Ameba-AIoT/ameba-linux-manifest -b ameba-linux-kirkstone -m ameba-5.4.248-3.3.0.xml

Setup build environment for a release

From within your working directory, source the envsetup.sh script to setup build environment. The script can also take several command options. To get all the option list, use following command:

$ source envsetup.sh -h

SYNOPSIS
    source envsetup.sh [OPTION]...

DESCRIPTION
    The script will setup the build enviroment for yocto bitbake.

OPTIONS
    -h
        print this help and exit.

    -m machine
        the target machine to be built.

    -d distro
        the target distro to be built.

    -j jobs
        number of jobs for make to spawn during the compilation stage.

    -t tasks
        number of BitBake tasks that can be issued in parallel.

    -b path
        non-default path of project build folder.

    -p path
        non-default path of DL_DIR (downloaded source)

    -c path
        non-default path of SSTATE_DIR (shared state Cache)

Examples:

  • Setup build for RTL8730ELH-VA8.
$ source envsetup.sh -m rtl8730elh-va8 -d ameba-generic
  • Setup build from a lunch menu.
$ source envsetup.sh

You're building on Linux

Lunch menu... pick a combo:
     1. rtl8730elh-recovery
     2. rtl8730elh-va7-full
     3. rtl8730elh-va7-generic
     4. rtl8730elh-va8-full
     5. rtl8730elh-va8-generic

Which would you like?

Input the number of selection to setup the specific build environment.

Build an image:

The envsetup.sh script imports several commands that let you work with Ameba Linux SDK. To build the SDK, you can use the commands in envsetup.sh.

Example:

  • Build the whole SDK
$ m

You can also use Yocto's bitbake to build a image.

$ bitbake <image recipe>

Some image recipes:

Image Name Description
ameba-image-core core image with basic functions
ameba-image-recovery recovery image