Re: [SeaBIOS] [PATCH 3/3] acpi: revert d9f5cdbdf (DSDT: Fix HPET _CRS Method)

[Gerd Hoffmann]

> > >    Method(_STA, 0) {
> > >        Store(0x10, CMDP)    // APPLESMC_READ_CMD
> > >        Store(CMDP, Local0)
> > >        If (LEqual(Local0, 0x0c)) {
>
> Also, once you've tickled the CMDP, the SMC internal state is no
> longer what OS X expects, so it gets all hung up on that later during
> the boot process. I guess I'll put "gain thorough understanding of the
> qemu applesmc state machine" on my ToDo list :)

_STA having side effects isn't exactly nice.  Doing that once in _INI
instead might work better.

cheers,
  Gerd