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make_developer_script_runner.sh: fix using full-sized kernels

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The developer script runner did not pad for the trailing
GPT header and using a full-sized kernel image extracted
from a build image resulted in failure.  This change
accomodates for that and warns when an error occurs.

TEST=used a dd'd over kernel image and it worked
BUG=chromium-os:7451

Change-Id: I8efd7fbb92fe4d5a3c715580f8c21e52c21957c9

Review URL: http://codereview.chromium.org/4418001
(cherry picked from commit 5f928bef4eb551b94fcc45821eee71aa206cef86)

Review URL: http://codereview.chromium.org/4417002
This commit is contained in:
Will Drewry 2010-11-03 16:45:54 -05:00
parent 40508146b3
commit cef56b7dea
1 changed files with 3 additions and 3 deletions
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6
make_developer_script_runner.sh
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@ -65,7 +65,7 @@ if [ -b "$FLAGS_image" ]; then
else
max_kern_size=32768
dd if=/dev/zero of="${FLAGS_image}" bs=512 count=0 \
seek=$((1 + max_kern_size + header_offset + stateful_sectors))
seek=$((1 + max_kern_size + (2 * header_offset) + stateful_sectors))
sudo=""
fi
@ -99,7 +99,7 @@ kernel_sectors=$((kernel_bytes / 512))
kernel_sectors=$(roundup $kernel_sectors)
$sudo $GPT create $FLAGS_image
trap "rm $FLAGS_image" ERR
trap "rm $FLAGS_image; echo 'An error occurred! Rerun with -v for details.'" ERR
offset=$header_offset
$sudo $GPT add -b $offset -s $stateful_sectors \
@ -119,4 +119,4 @@ $sudo $GPT boot -p -b "$PMBRCODE" -i 1 $FLAGS_image 1>&2
$sudo $GPT show $FLAGS_image
echo "Done."
echo "Emitted $FLAGS_image successfully!"