Attachment 127289 Details for Bug 98240 – _ROM method

_ROM method

file_98240.txt (text/plain), 2.55 KB, created by Ilia Mirkin on 2016-10-14 01:33:55 UTC

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Creator: Ilia Mirkin

Created: 2016-10-14 01:33:55 UTC

Size: 2.55 KB

patch

obsolete

>    Scope (\_SB.PCI0.PEG0.PEGP)
>    {
>        OperationRegion (VBOR, SystemMemory, 0x7AE01018, 0x00040004)
>        Field (VBOR, DWordAcc, Lock, Preserve)
>        {
>            RVBS,   32, 
>            VBS1,   262144, 
>            VBS2,   262144, 
>            VBS3,   262144, 
>            VBS4,   262144, 
>            VBS5,   262144, 
>            VBS6,   262144, 
>            VBS7,   262144, 
>            VBS8,   262144
>        }
>    }
>
>...
>
>        Method (_ROM, 2, Serialized)  // _ROM: Read-Only Memory
>        {
>            Name (_T_0, Zero)  // _T_x: Emitted by ASL Compiler
>            Local0 = Arg0
>            Local1 = Arg1
>            Name (VROM, Buffer (Local1)
>            {
>                 0x00                                             /* . */
>            })
>            If (Local1 > 0x1000)
>            {
>                Local1 = 0x1000
>            }
>
>            If (Arg0 > RVBS)
>            {
>                Return (VROM) /* \_SB_.PCI0.PEG0.PEGP._ROM.VROM */
>            }
>
>            Local2 = (Arg0 + Arg1)
>            If (Local2 > RVBS)
>            {
>                Local1 = (RVBS - Local0)
>            }
>
>            Divide (Local0, 0x8000, Local3, Local4)
>            While (One)
>            {
>                _T_0 = Local4
>                If (_T_0 == Zero)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS1
>                }
>                ElseIf (_T_0 == One)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS2
>                }
>                ElseIf (_T_0 == 0x02)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS3
>                }
>                ElseIf (_T_0 == 0x03)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS4
>                }
>                ElseIf (_T_0 == 0x04)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS5
>                }
>                ElseIf (_T_0 == 0x05)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS6
>                }
>                ElseIf (_T_0 == 0x06)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS7
>                }
>                ElseIf (_T_0 == 0x07)
>                {
>                    Local5 = \_SB.PCI0.PEG0.PEGP.VBS8
>                }
>
>                Break
>            }
>
>            Local4 *= 0x8000
>            Local0 -= Local4
>            Mid (Local5, Local0, Local1, VROM) /* \_SB_.PCI0.PEG0.PEGP._ROM.VROM */
>            Return (VROM) /* \_SB_.PCI0.PEG0.PEGP._ROM.VROM */
>        }

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Attachments on bug 98240: 127287 | 127289

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