util/chromeos: Update extract_blobs script
- Handle older CrOS firmware which lacks a COREBOOT FMAP region - Add support for all blobs used in CrOS firmware 2013 to current - Put extracted blobs in their own directory Change-Id: Idaa39eca3be68a9327cead9b21c35a6c7a3a8166 Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/59266 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Matt DeVillier
Felix Held
parent
ef8a1390b2
commit
648a44acbc
|
|
@ -2,40 +2,116 @@
|
|||
#
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
set -x
|
||||
if [ ! -f "$1" ]; then
|
||||
echo "Error: You must provide a valid filename"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
IMAGE=$1
|
||||
# create new dir '$IMAGE-blobs' (less file extension)
|
||||
DIR=$(basename $IMAGE)
|
||||
DIR="${DIR%.*}-blobs"
|
||||
mkdir -p $DIR
|
||||
|
||||
if [ ! -r "$IMAGE" ]; then
|
||||
echo "Can't find image $IMAGE."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
CBFSTOOL=$(which cbfstool)
|
||||
if [ $? != 0 ]; then
|
||||
echo "Can't find cbfstool."
|
||||
if [ -f ./cbfstool ]; then
|
||||
CBFSTOOL="./cbfstool"
|
||||
else
|
||||
CBFSTOOL=$(command -v cbfstool)
|
||||
fi
|
||||
if [[ "$CBFSTOOL" = "" ]]; then
|
||||
echo "Error: cbfstool must be in your path or exist locally"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ -f ./ifdtool ]; then
|
||||
IFDTOOL="./ifdtool"
|
||||
else
|
||||
IFDTOOL=$(which ifdtool)
|
||||
if [ $? != 0 ]; then
|
||||
echo "Can't find ifdtool."
|
||||
fi
|
||||
if [[ "$IFDTOOL" = "" ]]; then
|
||||
echo "Error: ifdtool must be in your path or exist locally"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
$CBFSTOOL $IMAGE print
|
||||
|
||||
if [ $? -ne 0 ]; then
|
||||
echo "Not a coreboot image: $IMAGE"
|
||||
# ensure valid coreboot image / get list of main COREBOOT CBFS contents
|
||||
REGION=""
|
||||
if ! $CBFSTOOL $IMAGE print >$DIR/cbfs.txt 2>/dev/null; then
|
||||
# try using BOOT_STUB region
|
||||
if ! $CBFSTOOL $IMAGE print -r BOOT_STUB >$DIR/cbfs.txt; then
|
||||
echo "Error reading CBFS: $IMAGE is not a valid coreboot image"
|
||||
exit 1
|
||||
else
|
||||
REGION="-r BOOT_STUB"
|
||||
fi
|
||||
fi
|
||||
|
||||
PCI=$($CBFSTOOL $IMAGE print|grep pci|cut -f1 -d\ )
|
||||
MRC=$($CBFSTOOL $IMAGE print|grep mrc.bin|cut -f1 -d\ )
|
||||
echo ""
|
||||
echo "Extracting blobs..."
|
||||
echo ""
|
||||
|
||||
$CBFSTOOL $IMAGE extract -n $PCI -f $PCI
|
||||
$CBFSTOOL $IMAGE extract -n $MRC -f $MRC
|
||||
$IFDTOOL -x $IMAGE
|
||||
mv flashregion_0_flashdescriptor.bin flashdescriptor.bin
|
||||
mv flashregion_2_intel_me.bin me.bin
|
||||
# extract flash regions
|
||||
if ! $IFDTOOL -x $IMAGE >/dev/null; then
|
||||
echo "Error reading flash descriptor/extracting flash regions"
|
||||
exit 1
|
||||
fi
|
||||
# rename to normal convention; drop unused regions
|
||||
mv flashregion_0_flashdescriptor.bin $DIR/flashdescriptor.bin
|
||||
[ -f flashregion_2_intel_me.bin ] && mv flashregion_2_intel_me.bin $DIR/me.bin
|
||||
rm flashregion_*.bin
|
||||
|
||||
# extract microcode
|
||||
$CBFSTOOL $IMAGE extract $REGION -n cpu_microcode_blob.bin -f $DIR/cpu_microcode_blob.bin
|
||||
|
||||
# extract VGA BIOS
|
||||
VGA=$(grep pci $DIR/cbfs.txt | cut -f1 -d\ )
|
||||
if [ "$VGA" != "" ]; then
|
||||
$CBFSTOOL $IMAGE extract $REGION -n $VGA -f $DIR/vgabios.bin
|
||||
fi
|
||||
|
||||
# extract MRC.bin
|
||||
MRC=$(grep mrc.bin $DIR/cbfs.txt | cut -f1 -d\ )
|
||||
if [ "$MRC" != "" ]; then
|
||||
$CBFSTOOL $IMAGE extract $REGION -n "$MRC" -f "$DIR/$MRC"
|
||||
fi
|
||||
|
||||
# extract refcode
|
||||
REF=$(grep refcode $DIR/cbfs.txt | cut -f1 -d\ )
|
||||
if [ "$REF" != "" ]; then
|
||||
$CBFSTOOL $IMAGE extract $REGION -n fallback/refcode -f "$DIR/refcode.elf" -m x86
|
||||
fi
|
||||
|
||||
# extract FSP blobs
|
||||
for FSP in $(grep fsp $DIR/cbfs.txt | cut -f1 -d\ ); do
|
||||
$CBFSTOOL $IMAGE extract $REGION -n $FSP -f $DIR/$FSP
|
||||
done
|
||||
|
||||
# extract audio blobs
|
||||
for AUD in $(grep -e "-2ch-" -e "-4ch-" $DIR/cbfs.txt | cut -f1 -d\ ); do
|
||||
$CBFSTOOL $IMAGE extract $REGION -n $AUD -f $DIR/$AUD
|
||||
done
|
||||
|
||||
# extract VBTs
|
||||
for VBT in $(grep vbt $DIR/cbfs.txt | cut -f1 -d\ ); do
|
||||
$CBFSTOOL $IMAGE extract $REGION -n $VBT -f $DIR/$VBT
|
||||
done
|
||||
|
||||
# extract IFWI
|
||||
IFWI=$(cbfstool $IMAGE layout -w | grep IFWI)
|
||||
if [ "$IFWI" != "" ]; then
|
||||
$CBFSTOOL $IMAGE read -r IFWI -f $DIR/ifwi.bin
|
||||
fi
|
||||
|
||||
# generate hashes
|
||||
(
|
||||
cd $DIR
|
||||
: >hashes.txt
|
||||
for FILE in $(ls *.{bin,elf} 2>/dev/null); do
|
||||
sha256sum $FILE >>hashes.txt
|
||||
done
|
||||
)
|
||||
|
||||
# a little housekeeping
|
||||
rm $DIR/cbfs.txt
|
||||
|
||||
echo ""
|
||||
echo "All done"
|
||||
|
|
|
|||
Loading…
Reference in New Issue