Quote:
Originally Posted by knc1
Not easily, it is in protected storage.
For details, see the Amazon u-boot source code, start with the implementation of "Erase All" command.
What you can do is copy the image running in memory.
Which is what "Erase All" copies to the protected area of flash.
Yes, u-boot is the bootloader used in the Amazon builds.
You need to be more clear **which** copy of u-boot you are writing about (there are two, the first that runs and bist, which runs on command).
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What do you mean by: "modify something cool" ?
And why do you need to work with the binary image rather than build from the Amazon posted source code?
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Note: You should be able to find posts here from people who **have** re-built u-boot with added features.
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Well，i think the bootloader in KPW2 is not locked,so,when we in fastboot mode, we can use the command to reflash it:"fastboot flash bootloader uboot.bin".But first, we should have the "uboot.bin" which is backuped.
As we know,the "fastboot mode" doesn't like the big file for some reason,but if the device be recognize as "Android Bootloader Interface",it can be flashed big file like mmcblk0p1.img,so we can flash system using fastboot command directly.
In my opinion,now has two questions:
1.how to backup the u-boot as a ".bin" file which can be flash by fastboot command;
2.modify it(add the "Android Bootloader Interface" mode when the device boots)