....

mkimg_system()
122 {
123     echo "****************  start make system.img ****************"
124
125
126     cd $PRODUCT_IMAGES
127     mkdir ./system
128
129     echo "alloc disk space..."
130     dd if=/dev/zero of=$SYSTEMIMG bs=1024 count=${SYSTEMIMG_SIZE}
131     #mke2fs -F -m 0 -i 2000 $SYSTEMIMG > /dev/null
132     mkfs.ext4 -F $SYSTEMIMG > /dev/null
133    #sudo mount -o loop $SYSTEMIMG $PRODUCT_IMAGES/system/
134      mount -o loop $SYSTEMIMG $PRODUCT_IMAGES/system/
135
136     cd system
137
138     echo "copy from systemfs..."
139
140     cd ${PRODUCT_SYSTEM}
141     find . \( -path "./dev" -o -path "./acct" -o -path "./cache" -o -path "./config" -o -path "./d" -o -path "    ./data" -o -path "./mnt" \) -prune -o -print | cpio -o -O ${PRODUCT_IMAGES}/system.cpio
142
143     cd ${PRODUCT_IMAGES}/system/
144     cpio -id -I ${PRODUCT_IMAGES}/system.cpio -f *svn*
145
146     cd ..
147     #sudo umount ${PRODUCT_IMAGES}/system/
148      umount ${PRODUCT_IMAGES}/system/
149     rm ./system/ -rf
150     rm ./system.cpio
151
152     cd $ANDROID_ROOT
153     echo "make system.img ok"
154 }