Add special treatment for EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE and EFI_PCI_IO_ATTRIBU...

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11165 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
index 2a399c2ec2a6b2985bc5729809e0ad92cb54c4ba..c8689c042137ec45097b1c2642c118a643b8eac4 100644 (file)
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
@@ -1063,6 +1063,9 @@ DetermineDeviceAttribute (
     if (EFI_ERROR (Status)) {\r
       return Status;\r
     }\r
+    PciIoDevice->Supports |= (EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE |\r
+                              EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM);\r
+\r
   } else {\r
 \r
     //\r

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
index 86c9135afd6929b6a1e34afe2e70403f4f9379d7..c39de9dd7efd00edac3a28272e4b4125c03a6fb5 100644 (file)
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
@@ -1268,6 +1268,13 @@ ModifyRootBridgeAttributes (
     return EFI_UNSUPPORTED;\r
   }\r
 \r
+  //\r
+  // Mask off EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE & \r
+  // EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM, which are not supported by PCI root bridge.\r
+  //\r
+  Attributes &= ~(UINT64)(EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE |\r
+                          EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM);\r
+\r
   //\r
   // Record the new attribute of the Root Bridge\r
   //\r