blob: ed258a0a246e2bb506d70418b13532f7bd72c5af (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#!/bin/bash
PROG_NAME=`basename $0`
function usage() {
echo "Usage:"
echo " $PROG_NAME <Base DTS> <Overlay DTS> <Output DTS>"
}
function on_exit() {
rm -rf "$TEMP_DIR"
}
#
# Start
#
if [[ $# -lt 3 ]]; then
usage
exit 1
fi
BASE_DTS=$1
OVERLAY_DTS=$2
OUT_DTS=$3
TEMP_DIR=`mktemp -d`
# The script will exit directly if any command fails.
set -e
trap on_exit EXIT
# Finds '/dts-v1/; and /plugin/;' then replace them with '/* REMOVED */'
OVERLAY_DTS_DIR=`dirname "$OVERLAY_DTS"`
OVERLAY_DTS_NAME=`basename "$OVERLAY_DTS"`
OVERLAY_DT_WO_HEADER_DTS="$TEMP_DIR/$OVERLAY_DTS_NAME"
sed "s/\\(\\/dts-v1\\/\\s*;\\|\\/plugin\\/\\s*;\\)/\\/\\* REMOVED \\*\\//g" \
"$OVERLAY_DTS" > "$OVERLAY_DT_WO_HEADER_DTS"
# Appends /include/ ...;
BASE_DTS_DIR=`dirname "$BASE_DTS"`
BASE_DTS_NAME=`basename "$BASE_DTS"`
BASE_DT_WITH_INC_DTS="$TEMP_DIR/$BASE_DTS_NAME"
cp "$BASE_DTS" "$BASE_DT_WITH_INC_DTS"
echo "/include/ \"$OVERLAY_DT_WO_HEADER_DTS\"" >> "$BASE_DT_WITH_INC_DTS"
# Simulate device tree overlay
MERGED_DTB="$BASE_DT_WITH_INC_DTS.dtb"
dtc -@ -i "$BASE_DTS_DIR" -i "$OVERLAY_DTS_DIR" -O dtb -o "$MERGED_DTB" "$BASE_DT_WITH_INC_DTS"
# Dump
dtc -s -O dts -o "$OUT_DTS" "$MERGED_DTB"
|
