diff options
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c b/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c index d2d60c389f..9f94e2424a 100644 --- a/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c +++ b/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c @@ -677,6 +677,35 @@ TranslateOfwNodes ( TargetLun[0],
TargetLun[1]
);
+ } else if (NumNodes >= 3 &&
+ SubstringEq (OfwNode[1].DriverName, "ethernet") &&
+ SubstringEq (OfwNode[2].DriverName, "ethernet-phy")
+ ) {
+ //
+ // OpenFirmware device path (Ethernet NIC):
+ //
+ // /pci@i0cf8/ethernet@3[,2]/ethernet-phy@0
+ // ^ ^ ^
+ // | | fixed
+ // | PCI slot[, function] holding Ethernet card
+ // PCI root at system bus port, PIO
+ //
+ // UEFI device path prefix (dependent on presence of nonzero PCI function):
+ //
+ // PciRoot(0x0)/Pci(0x3,0x0)/MAC(525400E15EEF,0x1)
+ // PciRoot(0x0)/Pci(0x3,0x2)/MAC(525400E15EEF,0x1)
+ // ^ ^
+ // MAC address IfType (1 == Ethernet)
+ //
+ // (Some UEFI NIC drivers don't set 0x1 for IfType.)
+ //
+ Written = UnicodeSPrintAsciiFormat (
+ Translated,
+ *TranslatedSize * sizeof (*Translated), // BufferSize in bytes
+ "PciRoot(0x0)/Pci(0x%x,0x%x)/MAC",
+ PciDevFun[0],
+ PciDevFun[1]
+ );
} else {
return RETURN_UNSUPPORTED;
}
|