Hi Ilya,
On Wed, Dec 14, 2011 at 10:34 AM, Ilya Yanok yanok@emcraft.com wrote:
Hi Graeme,
On 14.12.2011 03:28, Graeme Russ wrote:
I have a need to dump memory contents to a filesystem on an SD/MMC
Do you really need a filesystem for this? You can easily dump memory to SD using block write.
Well I want to copy the data back to my dev PC - If the SD/MMC card is formatted with a filesystem, it is trivial to transfer the data back and forth
Well, it shouldn't be that hard to get the data written to specific blocks on the dev PC using dd command.
But what about bad blocks?
But I imagine this problem exists when using a file system not designed with explicit bad-block handling - Do SD/MMC cards deal with bad blocks internally? I'm not familiar with the low level details, I just know that enabling MMC in U-Boot 'just works' on my board
Regards,
Graeme