image: add support for k unit suffix to pad-offset

Allows to specificy the padding and offset in kilobytes to be
consistent with pad-to.

Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Mathias Kresin 2016-09-03 07:36:12 +02:00
parent 5369a03d52
commit b99a93ebaf

View file

@ -137,8 +137,8 @@ endef
define Build/pad-offset
let \
size="$$(stat -c%s $@)" \
pad="$(word 1, $(1))" \
offset="$(word 2, $(1))" \
pad="$(subst k,* 1024,$(word 1, $(1)))" \
offset="$(subst k,* 1024,$(word 2, $(1)))" \
pad="(pad - ((size + offset) % pad)) % pad" \
newsize='size + pad'; \
dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync