Hi All, I am attempting to implement a non-volatile variable storage in an eMMC device. After about a week of looking around, I have come to the realization that there is no such feature in edk2. Is this correct ?
Looking at 'variable' drivers, it seems that the variable storage for both volatile and non are assumed to be at a physically mapped location. I can try to load this physical address by reading the block flash device and copying its contents to this location before the 'variable' driver starts. I will have to implement some shell command to save the changed contents back to flash device. Does this sound reasonable or is there an easier way ? Where can I implement this driver to load the non-volatile variable store before 'variable' driver starts ? Thanx.
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