Add a script to package the SD card boot image

Change-Id: Ia9f31c72725a25abdd55fb1bd114e4f4dd466f4c

build/common_functions.sh

@@ -244,6 +244,11 @@ function pack_upgrade
   command rm -rf "$TMPDIR"
 )}
 
+function pack_sd_image
+{(
+  "$COMMON_TOOLS_PATH"/sd_tools/sd_gen_burn_image.sh "$OUTPUT_DIR"
+)}
+
 function pack_prog_img
 {(
   local tmp_dir

build/tools/common/sd_tools/sd_gen_burn_image.sh

+#!/bin/bash
+# a sd image generator for sophpi
+# usage
+if [ "$#" -ne "1" ]
+then
+	echo "usage: sudo ./sd_gen_burn_image.sh OUTPUT_DIR"
+	echo ""
+	echo "       The script is used to create a sdcard image with two partitions, "
+	echo "       one is fat32 with 128MB, the other is ext4 with 256MB."
+	echo "       You can modify the capacities in this script as you wish!"
+	echo ""
+	echo "Note:  Please backup you sdcard files before using this image!"
+
+	exit
+fi
+
+vfat_cap=128M
+vfat_label="boot"
+ext4_cap=256M
+ext4_label="rootfs"
+
+output_dir=$1
+echo ${output_dir}
+pushd ${output_dir}
+
+# gen a empty image
+image=sophpi-duo-`date +%Y%m%d-%H%M`.img
+echo ${image}
+dd if=/dev/zero of=./${image} bs=1M count=512
+
+################################
+# Note: do not change this flow
+################################
+sudo fdisk ./${image} << EOF
+n
+p
+1
+
++${vfat_cap}
+n
+p
+2
+
++${ext4_cap}
+w
+EOF
+# Note end
+################################
+
+dev_name=`sudo losetup -f`
+echo ${dev_name}
+echo ""
+
+sudo losetup ${dev_name} ./${image}
+sudo partprobe ${dev_name}
+
+sudo mkfs.vfat -F 32 -n ${vfat_label} ${dev_name}p1
+sudo mkfs.ext4 -L ${ext4_label} ${dev_name}p2
+
+# mount partitions
+rm ./tmp1 ./tmp2 -rf
+mkdir tmp1 tmp2
+sudo mount -t vfat ${dev_name}p1 tmp1/
+sudo mount -t ext4 ${dev_name}p2 tmp2/
+
+# copy boot file and rootfs
+sudo cp ${output_dir}/fip.bin ./tmp1/
+sudo cp ${output_dir}/rawimages/boot.sd ./tmp1/
+sudo cp -raf ${output_dir}/rootfs/* ./tmp2
+
+sync
+
+# umount
+sudo umount tmp1 tmp2
+sudo losetup -d ${dev_name}
+rmdir tmp1 tmp2
+
+# tar image
+tar zcvf ${image}.tar.gz ${image}
+
+echo "Gen image successful: ${image}"
+echo ""
+
+popd