Ping...
On Tue, 2022-09-27 at 08:30 +0800, Robert Hoo wrote:
> On Mon, 2022-09-26 at 15:22 +0200, Igor Mammedov wrote:
> > > > 0800200c9a66"), One, 0x05, Local0, One)
> > > > + CreateDWordField (Local3, Zero, STTS)
> > > > + CreateField (Local3, 0x20, (LEN << 0x03),
> > > > LDAT)
> > > > + Name (LSA, Buffer (Zero){})
> > > > + ToBuffer (LDAT, LSA) /*
> > > > \_SB_.NVDR.NV00._LSR.LSA_ */
> > > > + Local1 = Package (0x02)
> > > > + {
> > > > + STTS,
> > > > + LSA
> > > > + }
> > >
> > > Hi Igor,
> > >
> > > Here is a little different from original proposal
> > > https://lore.kernel.org/qemu-devel/80b09055416c790922c7c3db60d2ba865792d1b0.ca...@linux.intel.com/
> > >
> > > Local1 = Package (0x2) {STTS, toBuffer(LDAT)}
> > >
> > > Because in my test, Linux guest complains:
> > >
> > > [ 3.884656] ACPI Error: AE_SUPPORT, Expressions within package
> > > elements are not supported (20220331/dspkginit-172)
> > > [ 3.887104] ACPI Error: Aborting method \_SB.NVDR.NV00._LSR
> > > due
> > > to
> > > previous error (AE_SUPPORT) (20220331/psparse-531)
> > >
> > >
> > > So I have to move toBuffer() out of Package{} and name LSA to
> > > hold
> > > the
> > > buffer. If you have better idea, pls. let me know.
> >
> > Would something like following work?
> >
> > LocalX = Buffer (Zero){}
> > LocalY = Package (0x01) { LocalX }
>
>
> No, Package{} doesn't accept LocalX as elements.
>
> PackageTerm :=
> Package (
> NumElements // Nothing | ByteConstExpr | TermArg => Integer
> ) {PackageList} => Package
>
> PackageList :=
> Nothing | <PackageElement PackageListTail>
>
> PackageElement :=
> DataObject | NameString
