scripts: add sprd_mkdzimage.sh

sprd_mkdzimage.sh is script file to make dzImage binary that is TM1
specific kernel binary from zImage and merged-dtb binary. This will
substitute mkdzimage binary of system-tools.

Change-Id: Idb78c73eb5b195b7122c9cc5a033ae136769cf79
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>

diff --git a/scripts/sprd_mkdzimage.sh b/scripts/sprd_mkdzimage.sh
new file mode 100755 (executable)
index 0000000..f6ea777
--- /dev/null
+++ b/scripts/sprd_mkdzimage.sh
@@ -0,0 +1,141 @@
+#!/bin/bash
+
+
+## Functions
+function write_to_4bytes_binary()
+{
+       HEX=`echo "obase=16; $1" | bc`
+
+       NUM=$((8-${#HEX}))
+
+       ZERO="00000000"
+       SUB=${ZERO:0:$NUM}
+
+       HEX=$SUB$HEX
+
+       for str in $(echo $HEX | sed 's/../& /g' | rev); do
+               str=$(echo -en $str | rev)
+               echo -en "\x$str"
+       done > $2
+}
+
+function write_to_padding_binary()
+{
+       rm -f padding
+
+       PAD_SIZE=$(($(($PAD - $(($1 % $PAD)))) % $PAD))
+       if [ $PAD_SIZE -gt 0 ]; then
+               dd if=/dev/zero of=./padding bs=1 count=$PAD_SIZE 2>/dev/zero
+       else
+               touch padding
+       fi
+
+       echo -en " | PAD: $PAD_SIZE[B]\n"
+}
+
+
+## Defines
+OUT="dzImage"
+OUT_TMP="dzImage.tmp"
+
+OUT_DIR="./arch/arm/boot"
+BOOT_DIR="./arch/arm/boot"
+
+MAGIC="NZIT"           # 0x54495A4E
+KERNEL_ADDR=32768      # 0x00008000
+ATAGS_ADDR=31457280    # 0x01e00000
+
+PAD=2048
+
+
+## Header
+rm -f $OUT
+rm -f $OUT_TMP
+touch $OUT_TMP
+
+HEADER_SIZE=28
+
+echo -en " *HEADER "
+echo -en "$HEADER_SIZE[B]\n"
+
+echo -en $MAGIC > $OUT
+cat $OUT >> $OUT_TMP
+write_to_4bytes_binary $KERNEL_ADDR $OUT
+cat $OUT >> $OUT_TMP
+
+FILE="$BOOT_DIR/zImage"
+if [ -e $FILE ]; then
+       SIZE=`du -b $FILE | awk '{print $1}'`
+       write_to_4bytes_binary $SIZE $OUT
+       cat $OUT >> $OUT_TMP
+else
+       echo -en "$FILE not found.\nexit\n"
+       exit -1
+fi
+
+DTB_ADDR=$(($KERNEL_ADDR + $SIZE))
+write_to_4bytes_binary $DTB_ADDR $OUT
+cat $OUT >> $OUT_TMP
+
+FILE="$BOOT_DIR/merged-dtb"
+if [ -e $FILE ]; then
+       SIZE=`du -b $FILE | awk '{print $1}'`
+       write_to_4bytes_binary $SIZE $OUT
+       cat $OUT >> $OUT_TMP
+else
+       echo -en "$FILE not found.\nexit\n"
+       exit -1
+fi
+
+write_to_4bytes_binary $ATAGS_ADDR $OUT
+cat $OUT >> $OUT_TMP
+write_to_4bytes_binary $PAD $OUT
+cat $OUT >> $OUT_TMP
+
+write_to_padding_binary $HEADER_SIZE
+cat $OUT_TMP padding > $OUT
+
+
+## Kernel Binary
+FILE="$BOOT_DIR/zImage"
+if [ -e $FILE ]; then
+       echo -en " *zImage "
+       cat $OUT $FILE > $OUT_TMP
+
+       SIZE=`du -b $FILE | awk '{print $1}'`
+       echo -en "$SIZE[B]\n"
+
+       write_to_padding_binary $SIZE
+       cat $OUT_TMP padding > $OUT
+else
+       echo -en "zImage not found.\nexit\n"
+       exit -1
+fi
+
+
+## merged-dtb Binary
+FILE="$BOOT_DIR/merged-dtb"
+if [ -e $FILE ]; then
+       echo -en " *merged-dtb "
+       cat $OUT $FILE > $OUT_TMP
+
+       SIZE=`du -b $FILE | awk '{print $1}'`
+       echo -en "$SIZE[B]\n"
+
+       write_to_padding_binary $SIZE
+       cat $OUT_TMP padding > $OUT
+else
+       echo -en "merged-dtb not found.\nexit\n"
+       exit -1
+fi
+
+
+## END
+rm -f $OUT_TMP
+rm -f padding
+rm -f $OUT_DIR/$OUT
+mv -f $OUT $OUT_DIR/
+
+S=`du -b $OUT_DIR/$OUT | awk '{print $1}'`
+S_K=$(($S/1024))
+echo -en "## OUT: $OUT size: $S[B]; $S_K[K]\n"