/** @file\r
Platform BDS customizations.\r
\r
- Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
VOID *mEfiDevPathNotifyReg;\r
EFI_EVENT mEfiDevPathEvent;\r
+VOID *mEmuVariableEventReg;\r
+EFI_EVENT mEmuVariableEvent;\r
BOOLEAN mDetectVgaOnly;\r
\r
\r
VOID\r
);\r
\r
-STATIC\r
-VOID\r
-LoadVideoRom (\r
- VOID\r
- );\r
-\r
-STATIC\r
-EFI_STATUS\r
-PciRomLoadEfiDriversFromRomImage (\r
- IN EFI_PHYSICAL_ADDRESS Rom,\r
- IN UINTN RomSize\r
- );\r
-\r
//\r
// BDS Platform Functions\r
//\r
{\r
DEBUG ((EFI_D_INFO, "PlatformBdsInit\n"));\r
InstallDevicePathCallback ();\r
- LoadVideoRom ();\r
}\r
\r
\r
return Status;\r
}\r
\r
- return (*(VISIT_PCI_INSTANCE_CALLBACK) Context) (\r
+ return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN) Context) (\r
Handle,\r
PciIo,\r
&Pci\r
return VisitAllInstancesOfProtocol (\r
&gEfiPciIoProtocolGuid,\r
VisitingAPciInstance,\r
- (VOID*) CallBackFunction\r
+ (VOID*)(UINTN) CallBackFunction\r
);\r
}\r
\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
DetectAndPreparePlatformPciDevicePath (\r
IN EFI_HANDLE Handle,\r
IN EFI_PCI_IO_PROTOCOL *PciIo,\r
//\r
// Connect RootBridge\r
//\r
- ConnectRootBridge ();\r
-\r
VarConout = BdsLibGetVariableAndSize (\r
VarConsoleOut,\r
&gEfiGlobalVariableGuid,\r
// Bus 0, Device 1, Function 0 - PCI to ISA Bridge\r
//\r
PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x3c), 0x00);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x09);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0b);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x09);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b); // LNKA routing target\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x0b); // LNKB routing target\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0a); // LNKC routing target\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // LNKD routing target\r
\r
//\r
// Bus 0, Device 1, Function 1 - IDE Controller\r
//\r
// Bus 0, Device 1, Function 3 - Power Managment Controller\r
//\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3c), 0x0b);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3d), 0x01);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3c), 0x09);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3d), 0x01); // INTA\r
\r
//\r
// Bus 0, Device 2, Function 0 - Video Controller\r
//\r
// Bus 0, Device 3, Function 0 - Network Controller\r
//\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3c), 0x0b);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3d), 0x01);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3c), 0x0a);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3d), 0x01); // INTA (-> LNKC)\r
\r
//\r
- // Bus 0, Device 4, Function 0 - RAM Memory\r
+ // Bus 0, Device 5, Function 0 - RAM Memory\r
//\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 4, 0, 0x3c), 0x09);\r
- PciWrite8 (PCI_LIB_ADDRESS (0, 4, 0, 0x3d), 0x01);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 5, 0, 0x3c), 0x0b);\r
+ PciWrite8 (PCI_LIB_ADDRESS (0, 5, 0, 0x3d), 0x01); // INTA (-> LNKA)\r
+}\r
+\r
+\r
+VOID\r
+AcpiInitialization (\r
+ VOID\r
+ )\r
+{\r
+ //\r
+ // Set ACPI SCI_EN bit in PMCNTRL\r
+ //\r
+ IoOr16 ((PciRead32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40)) & ~BIT0) + 4, BIT0);\r
+}\r
+\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+ConnectRecursivelyIfPciMassStorage (\r
+ IN EFI_HANDLE Handle,\r
+ IN EFI_PCI_IO_PROTOCOL *Instance,\r
+ IN PCI_TYPE00 *PciHeader\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ CHAR16 *DevPathStr;\r
+\r
+ if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE)) {\r
+ DevicePath = NULL;\r
+ Status = gBS->HandleProtocol (\r
+ Handle,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID*)&DevicePath\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Print Device Path\r
+ //\r
+ DevPathStr = DevicePathToStr (DevicePath);\r
+ DEBUG((\r
+ EFI_D_INFO,\r
+ "Found Mass Storage device: %s\n",\r
+ DevPathStr\r
+ ));\r
+ FreePool(DevPathStr);\r
+\r
+ Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ This notification function is invoked when the\r
+ EMU Variable FVB has been changed.\r
+\r
+ @param Event The event that occured\r
+ @param Context For EFI compatiblity. Not used.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+EmuVariablesUpdatedCallback (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ DEBUG ((EFI_D_INFO, "EmuVariablesUpdatedCallback\n"));\r
+ UpdateNvVarsOnFileSystem ();\r
+}\r
+\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VisitingFileSystemInstance (\r
+ IN EFI_HANDLE Handle,\r
+ IN VOID *Instance,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ STATIC BOOLEAN ConnectedToFileSystem = FALSE;\r
+\r
+ if (ConnectedToFileSystem) {\r
+ return EFI_ALREADY_STARTED;\r
+ }\r
+\r
+ Status = ConnectNvVarsToFileSystem (Handle);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ ConnectedToFileSystem = TRUE;\r
+ mEmuVariableEvent =\r
+ EfiCreateProtocolNotifyEvent (\r
+ &gEfiDevicePathProtocolGuid,\r
+ TPL_CALLBACK,\r
+ EmuVariablesUpdatedCallback,\r
+ NULL,\r
+ &mEmuVariableEventReg\r
+ );\r
+ PcdSet64 (PcdEmuVariableEvent, (UINT64)(UINTN) mEmuVariableEvent);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+VOID\r
+PlatformBdsRestoreNvVarsFromHardDisk (\r
+ )\r
+{\r
+ VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);\r
+ VisitAllInstancesOfProtocol (\r
+ &gEfiSimpleFileSystemProtocolGuid,\r
+ VisitingFileSystemInstance,\r
+ NULL\r
+ );\r
+\r
}\r
\r
\r
BdsLibConnectAll ();\r
\r
PciInitialization ();\r
+ AcpiInitialization ();\r
\r
//\r
// Clear the logo after all devices are connected.\r
\r
DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior\n"));\r
\r
+ ConnectRootBridge ();\r
+\r
+ //\r
+ // Try to restore variables from the hard disk early so\r
+ // they can be used for the other BDS connect operations.\r
+ //\r
+ PlatformBdsRestoreNvVarsFromHardDisk ();\r
+\r
//\r
// Init the time out value\r
//\r
return EFI_UNSUPPORTED;\r
}\r
\r
-\r
-STATIC\r
-VOID\r
-LoadVideoRom (\r
- VOID\r
- )\r
-{\r
- PCI_DATA_STRUCTURE *Pcir;\r
- UINTN RomSize;\r
-\r
- //\r
- // The virtual machines sometimes load the video rom image\r
- // directly at the legacy video BIOS location of C000:0000,\r
- // and do not implement the PCI expansion ROM feature.\r
- //\r
- Pcir = (PCI_DATA_STRUCTURE *) (UINTN) 0xc0000;\r
- RomSize = Pcir->ImageLength * 512;\r
- PciRomLoadEfiDriversFromRomImage (0xc0000, RomSize);\r
-}\r
-\r
-\r
-STATIC\r
-EFI_STATUS\r
-PciRomLoadEfiDriversFromRomImage (\r
- IN EFI_PHYSICAL_ADDRESS Rom,\r
- IN UINTN RomSize\r
- )\r
-{\r
- CHAR16 *FileName;\r
- EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;\r
- PCI_DATA_STRUCTURE *Pcir;\r
- UINTN ImageIndex;\r
- UINTN RomOffset;\r
- UINT32 ImageSize;\r
- UINT16 ImageOffset;\r
- EFI_HANDLE ImageHandle;\r
- EFI_STATUS Status;\r
- EFI_STATUS retStatus;\r
- EFI_DEVICE_PATH_PROTOCOL *FilePath;\r
- BOOLEAN SkipImage;\r
- UINT32 DestinationSize;\r
- UINT32 ScratchSize;\r
- UINT8 *Scratch;\r
- VOID *ImageBuffer;\r
- VOID *DecompressedImageBuffer;\r
- UINT32 ImageLength;\r
- EFI_DECOMPRESS_PROTOCOL *Decompress;\r
-\r
- FileName = L"PciRomInMemory";\r
-\r
- //FileName = L"PciRom Addr=0000000000000000";\r
- //HexToString (&FileName[12], Rom, 16);\r
-\r
- ImageIndex = 0;\r
- retStatus = EFI_NOT_FOUND;\r
- RomOffset = (UINTN) Rom;\r
-\r
- do {\r
-\r
- EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (UINTN) RomOffset;\r
-\r
- if (EfiRomHeader->Signature != 0xaa55) {\r
- return retStatus;\r
- }\r
-\r
- Pcir = (PCI_DATA_STRUCTURE *) (UINTN) (RomOffset + EfiRomHeader->PcirOffset);\r
- ImageSize = Pcir->ImageLength * 512;\r
-\r
- if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&\r
- (EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE) ) {\r
-\r
- if ((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) ||\r
- (EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) ) {\r
-\r
- ImageOffset = EfiRomHeader->EfiImageHeaderOffset;\r
- ImageSize = EfiRomHeader->InitializationSize * 512;\r
-\r
- ImageBuffer = (VOID *) (UINTN) (RomOffset + ImageOffset);\r
- ImageLength = ImageSize - ImageOffset;\r
- DecompressedImageBuffer = NULL;\r
-\r
- //\r
- // decompress here if needed\r
- //\r
- SkipImage = FALSE;\r
- if (EfiRomHeader->CompressionType > EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {\r
- SkipImage = TRUE;\r
- }\r
-\r
- if (EfiRomHeader->CompressionType == EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {\r
- Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID **) &Decompress);\r
- if (EFI_ERROR (Status)) {\r
- SkipImage = TRUE;\r
- } else {\r
- SkipImage = TRUE;\r
- Status = Decompress->GetInfo (\r
- Decompress,\r
- ImageBuffer,\r
- ImageLength,\r
- &DestinationSize,\r
- &ScratchSize\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- DecompressedImageBuffer = NULL;\r
- DecompressedImageBuffer = AllocatePool (DestinationSize);\r
- if (DecompressedImageBuffer != NULL) {\r
- Scratch = AllocatePool (ScratchSize);\r
- if (Scratch != NULL) {\r
- Status = Decompress->Decompress (\r
- Decompress,\r
- ImageBuffer,\r
- ImageLength,\r
- DecompressedImageBuffer,\r
- DestinationSize,\r
- Scratch,\r
- ScratchSize\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- ImageBuffer = DecompressedImageBuffer;\r
- ImageLength = DestinationSize;\r
- SkipImage = FALSE;\r
- }\r
-\r
- gBS->FreePool (Scratch);\r
- }\r
- }\r
- }\r
- }\r
- }\r
-\r
- if (!SkipImage) {\r
-\r
- //\r
- // load image and start image\r
- //\r
-\r
- FilePath = FileDevicePath (NULL, FileName);\r
-\r
- Status = gBS->LoadImage (\r
- FALSE,\r
- gImageHandle,\r
- FilePath,\r
- ImageBuffer,\r
- ImageLength,\r
- &ImageHandle\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Status = gBS->StartImage (ImageHandle, NULL, NULL);\r
- if (!EFI_ERROR (Status)) {\r
- retStatus = Status;\r
- }\r
- }\r
- if (FilePath != NULL) {\r
- gBS->FreePool (FilePath);\r
- }\r
- }\r
-\r
- if (DecompressedImageBuffer != NULL) {\r
- gBS->FreePool (DecompressedImageBuffer);\r
- }\r
-\r
- }\r
- }\r
-\r
- RomOffset = RomOffset + ImageSize;\r
- ImageIndex++;\r
- } while (((Pcir->Indicator & 0x80) == 0x00) && ((RomOffset - (UINTN) Rom) < RomSize));\r
-\r
- return retStatus;\r
-}\r
-\r
-\r
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