mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-11 08:09:20 +00:00
701d774f54
The use case for this is to set the kernel partition as the EFI system partition. Versions of U-Boot with the EFI boot manager (eficonfig and efidebug commands) will store their boot order data on the ESP. Signed-off-by: Mathew McBride <matt@traverse.com.au>
61 lines
2.0 KiB
Bash
Executable File
61 lines
2.0 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="$6"
|
|
|
|
rm -f "$OUTPUT"
|
|
|
|
head=16
|
|
sect=63
|
|
|
|
# create partition table
|
|
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))"
|
|
|
|
# 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"
|