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Loaded Image device paths for EFI Drivers loaded from PCI Option ROM

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8025 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
gikidy
2009-04-03 08:18:43 +00:00
parent deb7f094d4
commit 8e6b0dcb50
13 changed files with 503 additions and 209 deletions
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82
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2006, Intel Corporation
Copyright (c) 2006 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -220,6 +220,7 @@ RegisterPciDevice (
UINT8 PciExpressCapRegOffset;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT8 Data8;
BOOLEAN HasEfiImage;
//
// Install the pciio protocol, device path protocol
@ -261,7 +262,6 @@ RegisterPciDevice (
// Process OpRom
//
if (!PciIoDevice->AllOpRomProcessed) {
PciIoDevice->AllOpRomProcessed = TRUE;
//
// Get the OpRom provided by platform
@ -279,7 +279,7 @@ RegisterPciDevice (
PciIoDevice->PciIo.RomImage = PlatformOpRomBuffer;
//
// For OpROM read from gPciPlatformProtocol:
// Add the Rom Image to internal database for later PCI light enumeration
// Add the Rom Image to internal database for later PCI light enumeration
//
PciRomAddImageMapping (
NULL,
@ -290,16 +290,46 @@ RegisterPciDevice (
(UINT64) (UINTN) PciIoDevice->PciIo.RomImage,
PciIoDevice->PciIo.RomSize
);
}
}
}
//
// Determine if there are EFI images in the option rom
//
HasEfiImage = ContainEfiImage (PciIoDevice->PciIo.RomImage, PciIoDevice->PciIo.RomSize);
if (HasEfiImage) {
Status = gBS->InstallMultipleProtocolInterfaces (
&PciIoDevice->Handle,
&gEfiLoadFile2ProtocolGuid,
&PciIoDevice->LoadFile2,
NULL
);
if (EFI_ERROR (Status)) {
gBS->UninstallMultipleProtocolInterfaces (
&PciIoDevice->Handle,
&gEfiDevicePathProtocolGuid,
PciIoDevice->DevicePath,
&gEfiPciIoProtocolGuid,
&PciIoDevice->PciIo,
NULL
);
return Status;
}
}
if (!PciIoDevice->AllOpRomProcessed) {
PciIoDevice->AllOpRomProcessed = TRUE;
//
// Dispatch the EFI OpRom for the PCI device.
// The OpRom is got from platform in the above code
// or loaded from device in previous bus enumeration
// or loaded from device in the previous round of bus enumeration
//
if (PciIoDevice->RomSize > 0) {
if (HasEfiImage) {
ProcessOpRomImage (PciIoDevice);
}
}
@ -323,6 +353,14 @@ RegisterPciDevice (
&PciIoDevice->PciIo,
NULL
);
if (HasEfiImage) {
gBS->UninstallMultipleProtocolInterfaces (
&PciIoDevice->Handle,
&gEfiLoadFile2ProtocolGuid,
&PciIoDevice->LoadFile2,
NULL
);
}
return Status;
}
@ -507,6 +545,33 @@ DeRegisterPciDevice (
);
}
if (!EFI_ERROR (Status)) {
//
// Try to uninstall LoadFile2 protocol if exists
//
Status = gBS->OpenProtocol (
Handle,
&gEfiLoadFile2ProtocolGuid,
NULL,
gPciBusDriverBinding.DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Status = gBS->UninstallMultipleProtocolInterfaces (
Handle,
&gEfiLoadFile2ProtocolGuid,
&PciIoDevice->LoadFile2,
NULL
);
}
//
// Restore Status
//
Status = EFI_SUCCESS;
}
if (EFI_ERROR (Status)) {
gBS->OpenProtocol (
Controller,
@ -825,8 +890,9 @@ CreateRootBridge (
//
// Initialize the PCI I/O instance structure
//
Status = InitializePciIoInstance (Dev);
Status = InitializePciDriverOverrideInstance (Dev);
InitializePciIoInstance (Dev);
InitializePciDriverOverrideInstance (Dev);
InitializePciLoadFile2 (Dev);
//
// Initialize reserved resource list and