Hi,
I am new to EDK2 and UEFI.
I am working on an ARM32 embedded Linux board that supports NAND and UBI images.
I have several partitions in my system images, and some partitions
have sub-volumes.
I am looking for help on how to support flashing ubi-volumes directly
using the fastboot flash method.
I see that our EDK2 does not have a mechanism to flash ubi-volumes.
But the underlying UEFI code, have support for ubi-volume.
{{{
UEFI Code flow:
ubi_flasher_write(...)
{
[...]
if (hdl->is_it_volume) {
result = ubi_flasher_vol_write(hdl);
if (result != 0)
goto End;
} else {
result = ubi_flasher_ubi_write(hdl);
if (result != 0)
goto End;
}
[...]
}
}}}
When I tried to invoke ubi_flasher_write from EDK2, by passing the
ubifs volume name, instead of PartitionName, it does not work (crash).
Thus I am wondering, what needs to done at EDK2 (and how) to invoke
this ubi volume write at uefi.
Or, is there some functionality missing at the UEFI layer itself ?
Please provide some suggestions on this.
Thanks,
Pintu
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