forked from mirror/openwrt
Arne Zachlod
2dbcd182bc
This module enables support for pstore oops and panic logger writing to block devices. This is needed for some x86 targets, e.g. the APU series of devices that can't work with ramoops.
72 lines
2.5 KiB
Bash
Executable file
72 lines
2.5 KiB
Bash
Executable file
#!/bin/sh
|
|
# Copyright (C) 2006-2012 OpenWrt.org
|
|
set -e -x
|
|
if [ $# -ne 5 ] && [ $# -ne 6 ]; then
|
|
echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]"
|
|
exit 1
|
|
fi
|
|
|
|
OUTPUT="$1"
|
|
KERNELSIZE="$2"
|
|
KERNELDIR="$3"
|
|
KERNELPARTTYPE=${KERNELPARTTYPE:-83}
|
|
ROOTFSSIZE="$4"
|
|
ROOTFSIMAGE="$5"
|
|
ROOTFSPARTTYPE=${ROOTFSPARTTYPE:-83}
|
|
ALIGN="$6"
|
|
|
|
PSTORESIZE="16"
|
|
PSTOREPARTTYPE=${PSTOREPARTTYPE:-83}
|
|
|
|
rm -f "$OUTPUT"
|
|
|
|
head=16
|
|
sect=63
|
|
|
|
# create partition table
|
|
if [ -n "$PSTORE_ENABLE" ]; then
|
|
set $(ptgen -o "$OUTPUT" -h $head -s $sect ${GUID:+-g} -t "${KERNELPARTTYPE}" -p "${KERNELSIZE}m${PARTOFFSET:+@$PARTOFFSET}" -t "${PSTOREPARTTYPE}" -p "${PSTORESIZE}m" -t "${ROOTFSPARTTYPE}" -p "${ROOTFSSIZE}m" ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE} ${GUID:+-G $GUID})
|
|
KERNELOFFSET="$(($1 / 512))"
|
|
KERNELSIZE="$2"
|
|
PSTOREOFFSET="$(($3 / 512))"
|
|
PSTORESIZE="$(($4 / 512))"
|
|
ROOTFSOFFSET="$(($5 / 512))"
|
|
ROOTFSSIZE="$(($6 / 512))"
|
|
else
|
|
set $(ptgen -o "$OUTPUT" -h $head -s $sect ${GUID:+-g} -t "${KERNELPARTTYPE}" -p "${KERNELSIZE}m${PARTOFFSET:+@$PARTOFFSET}" -t "${ROOTFSPARTTYPE}" -p "${ROOTFSSIZE}m" ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE} ${GUID:+-G $GUID})
|
|
KERNELOFFSET="$(($1 / 512))"
|
|
KERNELSIZE="$2"
|
|
ROOTFSOFFSET="$(($3 / 512))"
|
|
ROOTFSSIZE="$(($4 / 512))"
|
|
fi
|
|
|
|
# Using mcopy -s ... is using READDIR(3) to iterate through the directory
|
|
# entries, hence they end up in the FAT filesystem in traversal order which
|
|
# breaks reproducibility.
|
|
# Implement recursive copy with reproducible order.
|
|
dos_dircopy() {
|
|
local entry
|
|
local baseentry
|
|
for entry in "$1"/* ; do
|
|
if [ -f "$entry" ]; then
|
|
mcopy -i "$OUTPUT.kernel" "$entry" ::"$2"
|
|
elif [ -d "$entry" ]; then
|
|
baseentry="$(basename "$entry")"
|
|
mmd -i "$OUTPUT.kernel" ::"$2""$baseentry"
|
|
dos_dircopy "$entry" "$2""$baseentry"/
|
|
fi
|
|
done
|
|
}
|
|
|
|
[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
|
|
dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
|
|
|
|
if [ -n "$GUID" ]; then
|
|
[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$((ROOTFSOFFSET + ROOTFSSIZE))" conv=notrunc count="$sect"
|
|
mkfs.fat --invariant -n kernel -C "$OUTPUT.kernel" -S 512 "$((KERNELSIZE / 1024))"
|
|
LC_ALL=C dos_dircopy "$KERNELDIR" /
|
|
else
|
|
make_ext4fs -J -L kernel -l "$KERNELSIZE" ${SOURCE_DATE_EPOCH:+-T ${SOURCE_DATE_EPOCH}} "$OUTPUT.kernel" "$KERNELDIR"
|
|
fi
|
|
dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
|
|
rm -f "$OUTPUT.kernel"
|