diff options
Diffstat (limited to 'OvmfPkg/Library')
| -rw-r--r-- | OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c b/OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c index 2e9634359d..43dbaffaa4 100644 --- a/OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c +++ b/OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c @@ -770,6 +770,49 @@ TranslatePciOfwNodes ( Slave ? "Slave" : "Master"
);
} else if (NumNodes >= FirstNonBridge + 3 &&
+ SubstringEq (OfwNode[FirstNonBridge + 0].DriverName, "pci8086,2922") &&
+ SubstringEq (OfwNode[FirstNonBridge + 1].DriverName, "drive") &&
+ SubstringEq (OfwNode[FirstNonBridge + 2].DriverName, "disk")
+ ) {
+ //
+ // OpenFirmware device path (Q35 SATA disk and CD-ROM):
+ //
+ // /pci@i0cf8/pci8086,2922@1f,2/drive@1/disk@0
+ // ^ ^ ^ ^ ^
+ // | | | | device number (fixed 0)
+ // | | | channel (port) number
+ // | PCI slot & function holding SATA HBA
+ // PCI root at system bus port, PIO
+ //
+ // UEFI device path:
+ //
+ // PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x1,0x0,0x0)
+ // ^ ^ ^
+ // | | LUN (always 0 on Q35)
+ // | port multiplier port number,
+ // | always 0 on Q35
+ // channel (port) number
+ //
+ UINT64 Channel;
+
+ NumEntries = 1;
+ if (RETURN_ERROR (ParseUnitAddressHexList (
+ OfwNode[FirstNonBridge + 1].UnitAddress, &Channel,
+ &NumEntries))) {
+ return RETURN_UNSUPPORTED;
+ }
+
+ Written = UnicodeSPrintAsciiFormat (
+ Translated,
+ *TranslatedSize * sizeof (*Translated), // BufferSize in bytes
+ "PciRoot(0x%x)%s/Pci(0x%Lx,0x%Lx)/Sata(0x%Lx,0x0,0x0)",
+ PciRoot,
+ Bridges,
+ PciDevFun[0],
+ PciDevFun[1],
+ Channel
+ );
+ } else if (NumNodes >= FirstNonBridge + 3 &&
SubstringEq (OfwNode[FirstNonBridge + 0].DriverName, "isa") &&
SubstringEq (OfwNode[FirstNonBridge + 1].DriverName, "fdc") &&
SubstringEq (OfwNode[FirstNonBridge + 2].DriverName, "floppy")
|