diff options
Diffstat (limited to 'include/mrc.sh')
| -rw-r--r-- | include/mrc.sh | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/include/mrc.sh b/include/mrc.sh index 775831f8..9c50af5c 100644 --- a/include/mrc.sh +++ b/include/mrc.sh @@ -4,7 +4,11 @@ # Modifications in this version are Copyright 2021,2023-2025 Leah Rowe. # Original copyright detailed in repo: https://review.coreboot.org/coreboot/ -eval "`setvars "" MRC_url MRC_url_bkup MRC_hash MRC_board SHELLBALL`" +MRC_board="" +MRC_hash="" +MRC_url="" +MRC_url_bkup="" +SHELLBALL="" extract_refcode() { @@ -12,30 +16,42 @@ extract_refcode() # cbfstool after coreboot 4.13 changed the stage file attribute scheme, # and refcode is extracted from an image using the old scheme. we use - # cbfstool from coreboot 4.11_branch, the tree used by ASUS KGPE-D16 - chkvars cbfstoolref - x_ mkdir -p "${_pre_dest%/*}" + # cbfstool from coreboot 4.11_branch, the tree used by ASUS KGPE-D16: + + if [ -z "$cbfstoolref" ]; then + err "cbfstoolref not set" "extract_refcode" "$@" + fi + + x_ xbmkdir "${_pre_dest%/*}" x_ "$cbfstoolref" "$appdir/bios.bin" extract \ -m x86 -n fallback/refcode -f "$appdir/ref" -r RO_SECTION # enable the Intel GbE device, if told by offset MRC_refcode_gbe - [ -z "$MRC_refcode_gbe" ] || x_ dd if="config/ifd/hp820g2/1.bin" \ - of="$appdir/ref" bs=1 seek=$MRC_refcode_gbe count=1 conv=notrunc; : + if [ -n "$MRC_refcode_gbe" ]; then + x_ dd if="config/ifd/hp820g2/1.bin" of="$appdir/ref" bs=1 \ + seek=$MRC_refcode_gbe count=1 conv=notrunc; : + fi x_ mv "$appdir/ref" "$_pre_dest" } extract_mrc() { - chkvars "MRC_board" "CONFIG_MRC_FILE" + if [ -z "$MRC_board" ]; then + err "MRC_board unset" "extract_mrc" "$@" + elif [ -z "$CONFIG_MRC_FILE" ]; then + err "CONFIG_MRC_FILE unset" "extract_mrc" "$@" + fi + SHELLBALL="chromeos-firmwareupdate-$MRC_board" ( - x_ cd "$appdir" - extract_partition "${MRC_url##*/}" - extract_archive "$SHELLBALL" . - ) || err "mrc download/extract failure" + x_ cd "$appdir" + extract_partition "${MRC_url##*/}" + extract_archive "$SHELLBALL" . + + ) || err "mrc download/extract failure" "extract_mrc" "$@" x_ "$cbfstool" "$appdir/"bios.bin extract -n mrc.bin \ -f "${_pre_dest%/*}/mrc.bin" -r RO_SECTION @@ -44,15 +60,18 @@ extract_mrc() 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 $ROOTP | cut -f4 -d\ | tr -d "B" ) )) - x_ dd if="${1%.zip}" of="root-a.ext2" bs=1024 skip=$(( $START / 1024 )) \ - count=$(( $SIZE / 1024 )) + x_ dd if="${1%.zip}" of="root-a.ext2" bs=1024 \ + skip=$(( $START / 1024 )) count=$(( $SIZE / 1024 )) printf "cd /usr/sbin\ndump chromeos-firmwareupdate %s\nquit" \ - "$SHELLBALL" | debugfs "root-a.ext2" || err "!extract shellball" + "$SHELLBALL" | debugfs "root-a.ext2" || \ + err "!extract shellball" "extract_partition" "$@" } |