From owner-freebsd-current Fri Jul 5 21:19:47 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3889D37B400 for ; Fri, 5 Jul 2002 21:19:43 -0700 (PDT) Received: from b.smtp-out.sonic.net (b.smtp-out.sonic.net [208.201.224.39]) by mx1.FreeBSD.org (Postfix) with SMTP id BA9F443E09 for ; Fri, 5 Jul 2002 21:19:42 -0700 (PDT) (envelope-from alex@blarf.homeip.net) Received: (qmail 10494 invoked from network); 6 Jul 2002 04:19:42 -0000 Received: from prop.sonic.net (208.201.224.193) by b.smtp-out.sonic.net with SMTP; 6 Jul 2002 04:19:42 -0000 Received: from blarf.homeip.net (adsl-209-204-188-56.sonic.net [209.204.188.56]) by prop.sonic.net (8.11.6/8.8.5) with ESMTP id g664Jf606312; Fri, 5 Jul 2002 21:19:42 -0700 X-envelope-info: Received: by blarf.homeip.net (Postfix, from userid 1000) id 89AA91BA6; Fri, 5 Jul 2002 21:19:41 -0700 (PDT) Date: Fri, 5 Jul 2002 21:19:41 -0700 From: Alex Zepeda To: Takanori Watanabe , current@freebsd.org Subject: Re: ACPI woes again.. Message-ID: <20020706041941.GA463@blarf.homeip.net> References: <20020705071640.GA739@blarf.homeip.net> <200207050945.SAA28267@axe-inc.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200207050945.SAA28267@axe-inc.co.jp> User-Agent: Mutt/1.3.99i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Jul 05, 2002 at 06:46:05PM +0900, Takanori Watanabe wrote: > Would you review this description? How about: --- acpi.4.orig Thu Jun 13 02:50:06 2002 +++ acpi.4 Fri Jul 5 21:16:59 2002 @@ -258,10 +258,35 @@ bus/children scan of the namespace. The ACPI CA code will still know about the avoided region. +.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 +incorrect bytecode that does not wreak havoc with the Microsoft implementations +of ACPI. Such bugs can often times prevent FreeBSD from booting. In case of +such issues, we provide a way to override buggy AML with your own AML +code. +.Pp +In order to load your AML code, +you must edit +.Pa /boot/loader.conf +and +include the follwing lines. +.Bd -literal -offset indent +acpi_dsdt_load="YES" +acpi_dsdt_name="/boot/acpi_dsdt.aml" #You may change the name. +.Ed +.Pp +In order to prepare your AML code, you will require +.Xr acpidump 8 , +.Xr iasl 1 +in devel/acpicatools port, and some ACPI knowledge. + .Sh COMPATIBILITY ACPI is only found/supported on Intel platforms (i386/IA32 and IA64). .Sh SEE ALSO .Xr config 8 , +.Xr loader.conf 5 , +.Xr acpidump 8 , .Xr acpi 9 .Sh AUTHORS .An -nosplit - alex To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message