On Mon, Jul 6, 2015 at 11:54 PM, sai pavan <saipavanbo...@gmail.com> wrote: > > Hi, > > I am trying to implement fake disk images for emulating nand flashes. > I see the spares files are formed when the content is zeros. But for nand > flashes the content is all one's initially. It is difficult for me make a > sparse file with all ones. > > Do any one have suggestions for this problem. > > I am thinking of creating an nand flash file with all zeros and negating the > data at receiving end in qemu.
Could this be a feature of qcow or some other file format rather than a NAND specific thing? It probably applies to other flash media. Regards, Peter > So the input file will be null, but the > concept of all 1's be intact. But this will be confusing if some one likes > to compare the output bin files after a write. One should read the data > negating. > > Regards, > Sai Pavan > > >
