On Fri, Jul 05, 2002 at 05:08:24AM -0700, Terry Lambert wrote: > Takanori Watanabe wrote: > > +.Sh OVERRIDING YOUR BIOS BYTECODE > > +ACPI interprets bytecode named AML, ACPI Machine Language, provided by BIOS > > +vendor as memory image at boot time. Sometimes, the AML code contains > > +problem that is not appeared in Microsoft implement. So we provide a way > > +to override it with your own AML code. > > +.Pp > > How does Windows deal with hardware that has this problem? > Do they use a "rogues" list, and replace the AML, too (only > automatically)?
Actually, their ACPI implementation suck, so that most of buggy AML work. For example, they don't check correctly if a they have the right to read/write to some Operational Region. If an AML declare incorrecly such regions, under FBSD (or other free OS with an ACPI-CA implementation), it can not work since the bound checking work as expected. But as a consequence, those regions can't be acceded. As an example, the status of the AC can not be reported correctly under a Satellite 3000-601 due to this kind of bug. -- Ducrot Bruno http://www.poupinou.org Page profaissionelle http://toto.tu-me-saoules.com Haume page To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
