How to extract and edit DMAR table on Hackintosh

[MaLd0n]

How to extract and edit DMAR table for Hackintosh Thunderbolt and LAN 10g cards

 

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-Installation Guide HERE

-Hackintosh EFI folders HERE

-Hackintosh USB Remap HERE

-How to update OpenCore and Kexts HERE

 

1- Uncheck DisableIoMapper Quirk on Kernel tab and enable VT-D on Bios/UEFI

 

After that you can see AppleVTD loaded on Ioreg

 

2- Extract DMAR table with MaciASL. Go to menu File, New from ACPI, DMAR then Save

 

3- Now we need locate [Reserved Memory Region] on DMAR table then remove. In example bellow i located 2 [Reserved Memory Region]. REMOVE these entries then save.

 

On image bellow Reserved Memory Regions is removed

 

4- Adding the edited DMAR and dropping the native DMAR.

Add DMAR.aml table on EFI/OC/ACPI

 

Add entry in your config.plist ACPI/Add

 

and drop native DMAR table with patch bellow on ACPI/Delete

Quote

<dict>
                <key>All</key>
                <false/>
                <key>Comment</key>
                <string>Drop DMAR Table</string>
                <key>Enabled</key>
                <true/>
                <key>OemTableId</key>
                <data>AAAAAA==</data>
                <key>TableLength</key>
                <integer>0</integer>
                <key>TableSignature</key>
                <data>RE1BUg==</data>
            </dict>

Reboot!

Credits: 

Slice, Kabyl, usr-sse2, jadran, Blackosx, dmazar, STLVNUB, pcj, apianti, JrCs, pene, FrodoKenny, skoczy, ycr.ru, Oscar09, xsmile, SoThOr, RehabMan, Download-Fritz, Zenit432, cecekpawon, Intel, Apple, Oracle, Chameleon Team, crazybirdy, Mieze, Mirone, Oldnapalm, netkas, Elconiglio, artut-pt, ErmaC, Pavo, Toleda, Master Chief and family, bcc9, The King, PMheart, Sherlocks, Micky1979, vit9696, vandroiy2013, Voodoo Team, Pike R. Alpha, lvs1974, Austere.J, CVad, headkaze, onemanosx, erroruser, Jenny David, Sampath007, Facebook Hackintosh community, Facebook Olarila community and many, many, many others!

 

We're all here to have fun and learn from each other! That's all Folks!