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scripts/gen_image_generic.sh: allow passing in partition offset

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Allow passing in an optional offset (PARTOFFSET) for the first partition.
If not specified this will default to 256K (512 blocks) as it has before.

For example if you want to start partition data at a 16M offset instead
of 256K, specify 'PARTOFFSET=16M'.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey 2023-03-22 09:02:52 -07:00 committed by Christian Lamparter
parent 39e6039410
commit 7519b35881
1 changed files with 1 additions and 1 deletions
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scripts/gen_image_generic.sh
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@ -19,7 +19,7 @@ head=16
sect=63
# create partition table
set $(ptgen -o "$OUTPUT" -h $head -s $sect ${GUID:+-g} -p "${KERNELSIZE}m" -p "${ROOTFSSIZE}m" ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE} ${GUID:+-G $GUID})
set $(ptgen -o "$OUTPUT" -h $head -s $sect ${GUID:+-g} -p "${KERNELSIZE}m${PARTOFFSET:+@$PARTOFFSET}" -p "${ROOTFSSIZE}m" ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE} ${GUID:+-G $GUID})
KERNELOFFSET="$(($1 / 512))"
KERNELSIZE="$2"