aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/boot/wrapper
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/boot/wrapper')
-rwxr-xr-xarch/powerpc/boot/wrapper24
1 files changed, 21 insertions, 3 deletions
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 5148ac271f28..ed6266367bc0 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -13,6 +13,7 @@
# -i initrd specify initrd file
# -d devtree specify device-tree blob
# -s tree.dts specify device-tree source file (needs dtc installed)
+# -e esm_blob specify ESM blob for secure images
# -c cache $kernel.strip.gz (use if present & newer, else make)
# -C prefix specify command prefix for cross-building tools
# (strip, objcopy, ld)
@@ -37,6 +38,7 @@ platform=of
initrd=
dtb=
dts=
+esm_blob=
cacheit=
binary=
compression=.gz
@@ -60,9 +62,9 @@ tmpdir=.
usage() {
echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2
- echo ' [-d devtree] [-s tree.dts] [-c] [-C cross-prefix]' >&2
- echo ' [-D datadir] [-W workingdir] [-Z (gz|xz|none)]' >&2
- echo ' [--no-compression] [vmlinux]' >&2
+ echo ' [-d devtree] [-s tree.dts] [-e esm_blob]' >&2
+ echo ' [-c] [-C cross-prefix] [-D datadir] [-W workingdir]' >&2
+ echo ' [-Z (gz|xz|none)] [--no-compression] [vmlinux]' >&2
exit 1
}
@@ -105,6 +107,11 @@ while [ "$#" -gt 0 ]; do
[ "$#" -gt 0 ] || usage
dtb="$1"
;;
+ -e)
+ shift
+ [ "$#" -gt 0 ] || usage
+ esm_blob="$1"
+ ;;
-s)
shift
[ "$#" -gt 0 ] || usage
@@ -218,9 +225,16 @@ objflags=-S
tmp=$tmpdir/zImage.$$.o
ksection=.kernel:vmlinux.strip
isection=.kernel:initrd
+esection=.kernel:esm_blob
link_address='0x400000'
make_space=y
+
+if [ -n "$esm_blob" -a "$platform" != "pseries" ]; then
+ echo "ESM blob not support on non-pseries platforms" >&2
+ exit 1
+fi
+
case "$platform" in
of)
platformo="$object/of.o $object/epapr.o"
@@ -477,6 +491,10 @@ if [ -n "$dtb" ]; then
fi
fi
+if [ -n "$esm_blob" ]; then
+ addsec $tmp "$esm_blob" $esection
+fi
+
if [ "$platform" != "miboot" ]; then
if [ -n "$link_address" ] ; then
text_start="-Ttext $link_address"