Re: [ISAR] bmap: generate bmap for wic images

[Jan Kiszka <jan.kiszka@siemens.com>]

On 05.06.19 08:30, Daniel Sangorrin wrote:
> bmap shortens the time required to flash an image because
> it skips areas with zeros.
> 
> Example usage:
> sudo bmaptool copy --bmap \
> build/tmp/deploy/images/iwg20m/cip-core-image-cip-core-iwg20m.wic.img.bmap \
> build/tmp/deploy/images/iwg20m/cip-core-image-cip-core-iwg20m.wic.img \
> /dev/sdf
> 
> Signed-off-by: Daniel Sangorrin <daniel.sangorrin@toshiba.co.jp>
> ---
>   meta/classes/wic-img.bbclass                            | 2 ++
>   meta/recipes-devtools/buildchroot/buildchroot-target.bb | 3 ++-
>   2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/meta/classes/wic-img.bbclass b/meta/classes/wic-img.bbclass
> index 09d9f2e..8fd2ff8 100644
> --- a/meta/classes/wic-img.bbclass
> +++ b/meta/classes/wic-img.bbclass
> @@ -151,9 +151,11 @@ EOSUDO
>           ${ISARROOT}/scripts/wic create ${WKS_FULL_PATH} \
>               --vars "${STAGING_DIR}/${MACHINE}/imgdata/" \
>               -o /tmp/${IMAGE_FULLNAME}.wic/ \
> +            --bmap \
>               -e ${IMAGE_BASENAME} ${WIC_CREATE_EXTRA_ARGS}
>       sudo chown -R $(stat -c "%U" ${ISARROOT}) ${ISARROOT}/meta ${ISARROOT}/meta-isar ${ISARROOT}/scripts || true
>       cp -f $(ls -t -1 ${BUILDCHROOT_DIR}/tmp/${IMAGE_FULLNAME}.wic/*.direct | head -1) ${WIC_IMAGE_FILE}
> +    cp -f $(ls -t -1 ${BUILDCHROOT_DIR}/tmp/${IMAGE_FULLNAME}.wic/*.direct.bmap | head -1) ${WIC_IMAGE_FILE}.bmap
>   }
>   
>   do_wic_image[file-checksums] += "${WKS_FILE_CHECKSUM}"
> diff --git a/meta/recipes-devtools/buildchroot/buildchroot-target.bb b/meta/recipes-devtools/buildchroot/buildchroot-target.bb
> index ce6bd93..15b4be0 100644
> --- a/meta/recipes-devtools/buildchroot/buildchroot-target.bb
> +++ b/meta/recipes-devtools/buildchroot/buildchroot-target.bb
> @@ -19,6 +19,7 @@ BUILDCHROOT_PREINSTALL ?= "gcc \
>                              automake \
>                              devscripts \
>                              equivs \
> -                           adduser"
> +                           adduser \
> +                           bmap-tools"

This should go to WIC_IMAGER_INSTALL.

>   
>   do_build[depends] = "isar-apt:do_cache_config isar-bootstrap-target:do_bootstrap"
> 

Jan

-- 
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