Rui Miguel Silva
a531de2323
Add cramfs xip class and filesystem to tiny image. Change-Id: I5bba11ef04b7bc54323901c90156484126af87dd Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Iota OS
This is meta layer dedicated to support Arm fast models.
Iota setup
The way to start the setup to build the distribution is to fetch the iota-manifest. For that, first install repo tool from google:
curl http://commondatastorage.googleapis.com/git-repo-downloads/repo > /tmp/repo
sudo install -m 0755 /tmp/repo /usr/local/bin/repo;
and then fetch the manifest:
mkdir ~/iota; cd ~/iota
repo init -u oteutoehuote -b master -m default.xml
repo sync
after setup the following environment variables to set the distribution and the machine type of the build, for now only vexpress-a32 is totally tested, but others will follow:
export DISTRO="iota"
export MACHINE="vexpress-a32"
Then prepare the environment to run the build, in the top directory
source setup-environment
This will create and put you ready to start the build in a topdir/build-iota directory, to start the build just type:
bitbake iota-tiny-image
The first build is long and can take several minutes to conclude, when finished check the resulted binaries in the deploy directory
~/iota/build-iota/tmp-iota/deploy/images/vexpress-a32/
To load the resulted flash img in the FVP model
YOCTO_OUTDIR=~/iota/build-iota/tmp-iota/deploy/images/vexpress-a32
./host/FVP_Base_Cortex-A32x1 \
-C bp.secureflashloader.fname=${YOCTO_OUTDIR}/bl1.bin \
-C bp.flashloader0.fname=${YOCTO_OUTDIR}/iota-tiny-image-vexpress-a32.wic