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Merge pull request #3484 from kszaq/arm64_uimage_alignment

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linux: amend uimage load address for proper decompression
This commit is contained in:
MilhouseVH 2019-05-04 01:02:38 +01:00 committed by GitHub
commit f3de4b04c8
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 2 deletions
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23
packages/linux/package.mk
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@ -212,6 +212,9 @@ make_target() {
# arm64 target does not support creating uImage.
# Build Image first, then wrap it using u-boot's mkimage.
if [[ "$TARGET_KERNEL_ARCH" == "arm64" && "$KERNEL_TARGET" == uImage* ]]; then
if [ -z "$KERNEL_UIMAGE_LOADADDR" -o -z "$KERNEL_UIMAGE_ENTRYADDR" ]; then
die "ERROR: KERNEL_UIMAGE_LOADADDR and KERNEL_UIMAGE_ENTRYADDR have to be set to build uImage - aborting"
fi
KERNEL_UIMAGE_TARGET="$KERNEL_TARGET"
KERNEL_TARGET="${KERNEL_TARGET/uImage/Image}"
fi
@ -243,16 +246,32 @@ make_target() {
fi
if [ -n "$KERNEL_UIMAGE_TARGET" ] ; then
# determine compression used for kernel image
KERNEL_UIMAGE_COMP=${KERNEL_UIMAGE_TARGET:7}
KERNEL_UIMAGE_COMP=${KERNEL_UIMAGE_COMP:-none}
# calculate new load address to make kernel Image unpack to memory area after compressed image
if [ "$KERNEL_UIMAGE_COMP" != "none" ] ; then
COMPRESSED_SIZE=$(stat -t "arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_TARGET" | awk '{print $2}')
# align to 1 MiB
COMPRESSED_SIZE=$(( (($COMPRESSED_SIZE - 1 >> 20) + 1) << 20 ))
PKG_KERNEL_UIMAGE_LOADADDR=$(printf '%X' "$(( $KERNEL_UIMAGE_LOADADDR + $COMPRESSED_SIZE ))")
PKG_KERNEL_UIMAGE_ENTRYADDR=$(printf '%X' "$(( $KERNEL_UIMAGE_ENTRYADDR + $COMPRESSED_SIZE ))")
else
PKG_KERNEL_UIMAGE_LOADADDR=${KERNEL_UIMAGE_LOADADDR}
PKG_KERNEL_UIMAGE_ENTRYADDR=${KERNEL_UIMAGE_ENTRYADDR}
fi
mkimage -A $TARGET_KERNEL_ARCH \
-O linux \
-T kernel \
-C $KERNEL_UIMAGE_COMP \
-a $KERNEL_UIMAGE_LOADADDR \
-e $KERNEL_UIMAGE_ENTRYADDR \
-a $PKG_KERNEL_UIMAGE_LOADADDR \
-e $PKG_KERNEL_UIMAGE_ENTRYADDR \
-d arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_TARGET \
arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_UIMAGE_TARGET
KERNEL_TARGET="${KERNEL_UIMAGE_TARGET}"
fi
}