> Here's what seems to be an interesting AML or AML parser bug.
>
> OperationRegion(PSRG, SystemMemory, 0x0410, 0x1)
> Field(PSRG, DWordAcc, NoLock, Preserve) {
> , 2,
> PS2E, 1
> }
>
> The field is marked for 32-bit access, but the region is only 1 byte
> wide. What's the correct thing to do here? Expand the region to
> accomodate the field's access requirements? Constrain the access size of
> the field to that of the region?
I thought read 32-bit, update target bits, write back whole 32-bit for
updating. For reading value, read 32-bit and shift & mask bits as well.
I hope I could understand description in Spec 15.2.3.3.1.9; "If desired,
AccessType can be used to force minimum access width."
Thanks
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