diff options
Diffstat (limited to 'include/mrc.sh')
| -rw-r--r-- | include/mrc.sh | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/include/mrc.sh b/include/mrc.sh index 6e00292b..eaf39dcb 100644 --- a/include/mrc.sh +++ b/include/mrc.sh @@ -8,35 +8,12 @@ eval "`setvars "" MRC_url MRC_url_bkup MRC_hash MRC_board SHELLBALL`" extract_mrc() { - chkvars "MRC_board" "CONFIG_MRC_FILE" - SHELLBALL="chromeos-firmwareupdate-$MRC_board" - - ( - x_ cd "$appdir" - extract_partition "${MRC_url##*/}" - extract_archive "$SHELLBALL" . - ) || $err "mrc download/extract failure" + extract_shellball "$cbfstool" "$appdir/"bios.bin extract -n mrc.bin \ -f "$_dest" -r RO_SECTION || $err "extract_mrc: !$cbfstool $_dest" - [ -n "$CONFIG_REFCODE_BLOB_FILE" ] && extract_refcode; : -} - -extract_partition() -{ - printf "Extracting ROOT-A partition\n" - ROOTP=$( printf "unit\nB\nprint\nquit\n" | \ - parted "${1%.zip}" 2>/dev/null | grep "ROOT-A" ) - - START=$(( $( echo $ROOTP | cut -f2 -d\ | tr -d "B" ) )) - SIZE=$(( $( echo $ROOTP | cut -f4 -d\ | tr -d "B" ) )) - - dd if="${1%.zip}" of="root-a.ext2" bs=1024 skip=$(( $START / 1024 )) \ - count=$(( $SIZE / 1024 )) || $err "ex dd ${1%.zip}, root-a.ext2" - - printf "cd /usr/sbin\ndump chromeos-firmwareupdate %s\nquit" \ - "$SHELLBALL" | debugfs "root-a.ext2" || $err "!extract shellball" + [ -n "$CONFIG_REFCODE_BLOB_FILE" ] && extract_refcode extra; : } extract_refcode() @@ -44,6 +21,8 @@ extract_refcode() _refdest="${CONFIG_REFCODE_BLOB_FILE##*../}" e "$_refdest" f && return 0 + [ $# -lt 1 ] && extract_shellball + # cbfstool changed the attributes scheme for stage files, # incompatible with older versions before coreboot 4.14, # so we need coreboot 4.13 cbfstool for certain refcode files @@ -57,3 +36,31 @@ extract_refcode() [ -z "$MRC_refcode_gbe" ] || x_ dd if="config/ifd/hp820g2/1.bin" \ of="$_refdest" bs=1 seek=$MRC_refcode_gbe count=1 conv=notrunc; : } + +extract_shellball() +{ + chkvars "MRC_board" "CONFIG_MRC_FILE" + SHELLBALL="chromeos-firmwareupdate-$MRC_board" + + ( + x_ cd "$appdir" + extract_partition "${MRC_url##*/}" + extract_archive "$SHELLBALL" . + ) || $err "mrc download/extract failure"; : +} + +extract_partition() +{ + printf "Extracting ROOT-A partition\n" + ROOTP=$( printf "unit\nB\nprint\nquit\n" | \ + parted "${1%.zip}" 2>/dev/null | grep "ROOT-A" ) + + START=$(( $( echo $ROOTP | cut -f2 -d\ | tr -d "B" ) )) + SIZE=$(( $( echo $ROOTP | cut -f4 -d\ | tr -d "B" ) )) + + dd if="${1%.zip}" of="root-a.ext2" bs=1024 skip=$(( $START / 1024 )) \ + count=$(( $SIZE / 1024 )) || $err "ex dd ${1%.zip}, root-a.ext2" + + printf "cd /usr/sbin\ndump chromeos-firmwareupdate %s\nquit" \ + "$SHELLBALL" | debugfs "root-a.ext2" || $err "!extract shellball" +} |