HYL_OK3568_LINUX/tools/linux/Linux_Pack_Firmware/rockdev

**************Generate update.img******************
1.copy image to "rockdev/Image"
2.copy loader to "rockdev/Image"
3.modify parameter and package-file 
4.run mkupdate.sh to make update.img in "rockdev"
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**************Unpack update.img********************
run unpack.sh
unpacking file in the "output"

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