Date: Mon, 28 Jun 2010 17:19:08 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: freebsd-acpi@FreeBSD.org Subject: Re: Return (0x00) Invalid object type for reserved name (found INTEGER, requires Buffer) Message-ID: <201006281719.11341.jkim@FreeBSD.org> In-Reply-To: <AANLkTik19E9Wb51TUrfAhAZkhJbPzB0g-Wjkxt_iOkkv@mail.gmail.com> References: <AANLkTik19E9Wb51TUrfAhAZkhJbPzB0g-Wjkxt_iOkkv@mail.gmail.com>
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On Monday 28 June 2010 04:27 pm, Sevan / Venture37 wrote:
> I'm trying to debug an asl compilation issue, when iasl is invoked
> it spits out:
>
> my.asl 4440: Return (0x00)
> Error 4080 - ^ Invalid object type for
> reserved name (found INTEGER, requires Buffer)
>
> Can anyone point me to a fix?
>
> Regards
>
>
> Sevan / Venture37
>
> Name (FWSO, "FWSO")
> Scope (\_SB)
> {
> OperationRegion (WHE0, SystemIO, 0x00001E00, 0x00000002)
> Field (WHE0, AnyAcc, NoLock, Preserve)
> {
> WHEC, 8
> }
>
> OperationRegion (WHE1, SystemMemory, 0xCFEF4EBD,
> 0x00000090) Field (WHE1, AnyAcc, NoLock, Preserve)
> {
> WCMD, 8,
> WDID, 32,
> WINF, 1024
> }
>
> Field (WHE1, AnyAcc, NoLock, Preserve)
> {
> AccessAs (ByteAcc, 0x00),
> Offset (0x05),
> INFW, 8
> }
>
> Method (_OSC, 4, NotSerialized)
> {
> If (LEqual (Arg0, Buffer (0x10)
> {
> /* 0000 */ 0x0C, 0x5E, 0x85, 0xED, 0x90,
> 0x6C, 0xBF, 0x47,
> /* 0008 */ 0xA6, 0x2A, 0x26, 0xDE, 0x0F,
> 0xC5, 0xAD, 0x5C
> }))
> {
> CreateDWordField (Arg3, 0x00, CDW1)
> CreateDWordField (Arg3, 0x04, CDW2)
> CreateDWordField (Arg3, 0x08, CDW3)
> If (And (CDW2, 0x01))
> {
> Store (0xEA, WCMD)
> Store (0x03, WDID)
> Store (Zero, WHEC)
> Return (Arg3)
> }
> }
>
> Return (0x00)
> }
> }
It has to return Arg3 with some bits set to indicate failures. Please
see ACPI Spec. 6.2.10 (on page 225).
http://www.acpi.info/spec.htm
ASL example in the spec. is pretty thorough.
Jung-uk Kim
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