-/**@file\r
+/** @file\r
+ PCI Rom supporting funtions implementation for PCI Bus module.\r
\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
+Copyright (c) 2006 - 2009, Intel Corporation\r
All rights reserved. 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
\r
**/\r
\r
-#include "pcibus.h"\r
-#include "PciResourceSupport.h"\r
-\r
-#include <IndustryStandard/Pci23.h>\r
-\r
-//\r
-// Module global for a template of the PCI option ROM Image Device Path Node\r
-//\r
-MEMMAP_DEVICE_PATH mPciOptionRomImageDevicePathNodeTemplate = {\r
- {\r
- HARDWARE_DEVICE_PATH,\r
- HW_MEMMAP_DP,\r
- sizeof (MEMMAP_DEVICE_PATH)\r
- },\r
- EfiMemoryMappedIO,\r
- 0,\r
- 0\r
-};\r
+#include "PciBus.h"\r
\r
+/**\r
+ Load the EFI Image from Option ROM\r
+\r
+ @param PciIoDevice PCI IO device instance.\r
+ @param FilePath The file path of the EFI Image\r
+ @param BufferSize On input the size of Buffer in bytes. On output with a return\r
+ code of EFI_SUCCESS, the amount of data transferred to Buffer.\r
+ On output with a return code of EFI_BUFFER_TOO_SMALL,\r
+ the size of Buffer required to retrieve the requested file.\r
+ @param Buffer The memory buffer to transfer the file to. If Buffer is NULL,\r
+ then no the size of the requested file is returned in BufferSize.\r
+\r
+ @retval EFI_SUCCESS The file was loaded.\r
+ @retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or\r
+ BufferSize is NULL.\r
+ @retval EFI_NOT_FOUND Not found PCI Option Rom on PCI device.\r
+ @retval EFI_DEVICE_ERROR Failed to decompress PCI Option Rom image.\r
+ @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.\r
+ BufferSize has been updated with the size needed to complete the request.\r
+**/\r
EFI_STATUS\r
-GetOpRomInfo (\r
- IN PCI_IO_DEVICE *PciIoDevice\r
+LocalLoadFile2 (\r
+ IN PCI_IO_DEVICE *PciIoDevice,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
+ IN OUT UINTN *BufferSize,\r
+ IN VOID *Buffer OPTIONAL\r
)\r
+{\r
+ EFI_STATUS Status;\r
+ MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *EfiOpRomImageNode;\r
+ EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;\r
+ PCI_DATA_STRUCTURE *Pcir;\r
+ UINT32 ImageSize;\r
+ UINT8 *ImageBuffer;\r
+ UINT32 ImageLength;\r
+ UINT32 DestinationSize;\r
+ UINT32 ScratchSize;\r
+ VOID *Scratch;\r
+ EFI_DECOMPRESS_PROTOCOL *Decompress;\r
+\r
+ EfiOpRomImageNode = (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *) FilePath;\r
+ if ((EfiOpRomImageNode == NULL) ||\r
+ (DevicePathType (FilePath) != MEDIA_DEVICE_PATH) ||\r
+ (DevicePathSubType (FilePath) != MEDIA_RELATIVE_OFFSET_RANGE_DP) ||\r
+ (DevicePathNodeLength (FilePath) != sizeof (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH)) ||\r
+ (!IsDevicePathEnd (NextDevicePathNode (FilePath))) ||\r
+ (EfiOpRomImageNode->StartingOffset > EfiOpRomImageNode->EndingOffset) ||\r
+ (EfiOpRomImageNode->EndingOffset >= PciIoDevice->RomSize) ||\r
+ (BufferSize == NULL)\r
+ ) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (\r
+ (UINT8 *) PciIoDevice->PciIo.RomImage + EfiOpRomImageNode->StartingOffset\r
+ );\r
+ if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+\r
+ Pcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) EfiRomHeader + EfiRomHeader->PcirOffset);\r
+\r
+\r
+ if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&\r
+ (EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE) &&\r
+ ((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) ||\r
+ (EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER)) &&\r
+ (EfiRomHeader->CompressionType <= EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED)\r
+ ) {\r
+\r
+ ImageSize = (UINT32) EfiRomHeader->InitializationSize * 512;\r
+ ImageBuffer = (UINT8 *) EfiRomHeader + EfiRomHeader->EfiImageHeaderOffset;\r
+ ImageLength = ImageSize - EfiRomHeader->EfiImageHeaderOffset;\r
+\r
+ if (EfiRomHeader->CompressionType != EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {\r
+ //\r
+ // Uncompressed: Copy the EFI Image directly to user's buffer\r
+ //\r
+ if (Buffer == NULL || *BufferSize < ImageLength) {\r
+ *BufferSize = ImageLength;\r
+ return EFI_BUFFER_TOO_SMALL;\r
+ }\r
+\r
+ *BufferSize = ImageLength;\r
+ CopyMem (Buffer, ImageBuffer, ImageLength);\r
+ return EFI_SUCCESS;\r
+\r
+ } else {\r
+ //\r
+ // Compressed: Uncompress before copying\r
+ //\r
+ Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID **) &Decompress);\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+ Status = Decompress->GetInfo (\r
+ Decompress,\r
+ ImageBuffer,\r
+ ImageLength,\r
+ &DestinationSize,\r
+ &ScratchSize\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ if (Buffer == NULL || *BufferSize < DestinationSize) {\r
+ *BufferSize = DestinationSize;\r
+ return EFI_BUFFER_TOO_SMALL;\r
+ }\r
+\r
+ *BufferSize = DestinationSize;\r
+ Scratch = AllocatePool (ScratchSize);\r
+ if (Scratch == NULL) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ Status = Decompress->Decompress (\r
+ Decompress,\r
+ ImageBuffer,\r
+ ImageLength,\r
+ Buffer,\r
+ DestinationSize,\r
+ Scratch,\r
+ ScratchSize\r
+ );\r
+ FreePool (Scratch);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
/**\r
+ Initialize a PCI LoadFile2 instance.\r
\r
-Routine Description:\r
+ @param PciIoDevice PCI IO Device.\r
\r
-Arguments:\r
+**/\r
+VOID\r
+InitializePciLoadFile2 (\r
+ IN PCI_IO_DEVICE *PciIoDevice\r
+ )\r
+{\r
+ PciIoDevice->LoadFile2.LoadFile = LoadFile2;\r
+}\r
\r
-Returns:\r
+/**\r
+ Causes the driver to load a specified file.\r
+\r
+ @param This Indicates a pointer to the calling context.\r
+ @param FilePath The device specific path of the file to load.\r
+ @param BootPolicy Should always be FALSE.\r
+ @param BufferSize On input the size of Buffer in bytes. On output with a return\r
+ code of EFI_SUCCESS, the amount of data transferred to Buffer.\r
+ On output with a return code of EFI_BUFFER_TOO_SMALL,\r
+ the size of Buffer required to retrieve the requested file.\r
+ @param Buffer The memory buffer to transfer the file to. If Buffer is NULL,\r
+ then no the size of the requested file is returned in BufferSize.\r
+\r
+ @retval EFI_SUCCESS The file was loaded.\r
+ @retval EFI_UNSUPPORTED BootPolicy is TRUE.\r
+ @retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or\r
+ BufferSize is NULL.\r
+ @retval EFI_NOT_FOUND Not found PCI Option Rom on PCI device.\r
+ @retval EFI_DEVICE_ERROR Failed to decompress PCI Option Rom image.\r
+ @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.\r
+ BufferSize has been updated with the size needed to complete the request.\r
\r
**/\r
-// TODO: PciIoDevice - add argument and description to function comment\r
-// TODO: EFI_NOT_FOUND - add return value to function comment\r
-// TODO: EFI_SUCCESS - add return value to function comment\r
+EFI_STATUS\r
+EFIAPI\r
+LoadFile2 (\r
+ IN EFI_LOAD_FILE2_PROTOCOL *This,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
+ IN BOOLEAN BootPolicy,\r
+ IN OUT UINTN *BufferSize,\r
+ IN VOID *Buffer OPTIONAL\r
+ )\r
+{\r
+ PCI_IO_DEVICE *PciIoDevice;\r
+\r
+ if (BootPolicy) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+ PciIoDevice = PCI_IO_DEVICE_FROM_LOAD_FILE2_THIS (This);\r
+\r
+ return LocalLoadFile2 (\r
+ PciIoDevice,\r
+ FilePath,\r
+ BufferSize,\r
+ Buffer\r
+ );\r
+}\r
+\r
+/**\r
+ Get Pci device's oprom infor bits.\r
+\r
+ @param PciIoDevice Pci device instance.\r
+\r
+ @retval EFI_NOT_FOUND Pci device has not Option Rom.\r
+ @retval EFI_SUCCESS Pci device has Option Rom.\r
+\r
+**/\r
+EFI_STATUS\r
+GetOpRomInfo (\r
+ IN PCI_IO_DEVICE *PciIoDevice\r
+ )\r
{\r
UINT8 RomBarIndex;\r
UINT32 AllOnes;\r
PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;\r
\r
//\r
- // offset is 0x30 if is not ppb\r
+ // Offset is 0x30 if is not ppb\r
//\r
\r
//\r
// 0x30\r
//\r
- RomBarIndex = PCI_DEVICE_ROMBAR;\r
+ RomBarIndex = PCI_EXPANSION_ROM_BASE;\r
\r
if (IS_PCI_BRIDGE (&PciIoDevice->Pci)) {\r
//\r
- // if is ppb\r
+ // If is ppb\r
//\r
\r
//\r
RomBarIndex = PCI_BRIDGE_ROMBAR;\r
}\r
//\r
- // the bit0 is 0 to prevent the enabling of the Rom address decoder\r
+ // The bit0 is 0 to prevent the enabling of the Rom address decoder\r
//\r
AllOnes = 0xfffffffe;\r
Address = EFI_PCI_ADDRESS (Bus, Device, Function, RomBarIndex);\r
&AllOnes\r
);\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ return EFI_NOT_FOUND;\r
}\r
\r
//\r
- // read back\r
+ // Read back\r
//\r
Status = PciRootBridgeIoRead (\r
PciRootBridgeIo,\r
&AllOnes\r
);\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ return EFI_NOT_FOUND;\r
}\r
//\r
// Bits [1, 10] are reserved\r
return EFI_SUCCESS;\r
}\r
\r
-EFI_STATUS\r
-LoadOpRomImage (\r
- IN PCI_IO_DEVICE *PciDevice,\r
- IN UINT64 RomBase\r
- )\r
/**\r
+ Check if the RomImage contains EFI Images.\r
\r
-Routine Description:\r
+ @param RomImage The ROM address of Image for check.\r
+ @param RomSize Size of ROM for check.\r
\r
- Load option rom image for specified PCI device\r
+ @retval TRUE ROM contain EFI Image.\r
+ @retval FALSE ROM not contain EFI Image.\r
\r
-Arguments:\r
+**/\r
+BOOLEAN\r
+ContainEfiImage (\r
+ IN VOID *RomImage,\r
+ IN UINT64 RomSize\r
+ )\r
+{\r
+ PCI_EXPANSION_ROM_HEADER *RomHeader;\r
+ PCI_DATA_STRUCTURE *RomPcir;\r
+ BOOLEAN FirstCheck;\r
\r
-Returns:\r
+ FirstCheck = TRUE;\r
+ RomHeader = RomImage;\r
+\r
+ while ((UINT8 *) RomHeader < (UINT8 *) RomImage + RomSize) {\r
+ if (RomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {\r
+ if (FirstCheck) {\r
+ return FALSE;\r
+ } else {\r
+ RomHeader = (PCI_EXPANSION_ROM_HEADER *) ((UINT8 *) RomHeader + 512);\r
+ continue;\r
+ }\r
+ }\r
+\r
+ FirstCheck = FALSE;\r
+ RomPcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) RomHeader + RomHeader->PcirOffset);\r
+\r
+ if (RomPcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) {\r
+ return TRUE;\r
+ }\r
+\r
+ RomHeader = (PCI_EXPANSION_ROM_HEADER *) ((UINT8 *) RomHeader + RomPcir->Length * 512);\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+\r
+/**\r
+ Load Option Rom image for specified PCI device.\r
+\r
+ @param PciDevice Pci device instance.\r
+ @param RomBase Base address of Option Rom.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES No enough memory to hold image.\r
+ @retval EFI_SUCESS Successfully loaded Option Rom.\r
\r
**/\r
-// TODO: PciDevice - add argument and description to function comment\r
-// TODO: RomBase - add argument and description to function comment\r
-// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment\r
-// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment\r
-// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment\r
+EFI_STATUS\r
+LoadOpRomImage (\r
+ IN PCI_IO_DEVICE *PciDevice,\r
+ IN UINT64 RomBase\r
+ )\r
{\r
UINT8 RomBarIndex;\r
UINT8 Indicator;\r
UINT16 OffsetPcir;\r
UINT32 RomBarOffset;\r
UINT32 RomBar;\r
- EFI_STATUS retStatus;\r
+ EFI_STATUS RetStatus;\r
BOOLEAN FirstCheck;\r
UINT8 *Image;\r
PCI_EXPANSION_ROM_HEADER *RomHeader;\r
//\r
// 0x30\r
//\r
- RomBarIndex = PCI_DEVICE_ROMBAR;\r
+ RomBarIndex = PCI_EXPANSION_ROM_BASE;\r
if (IS_PCI_BRIDGE (&(PciDevice->Pci))) {\r
//\r
// if is ppb\r
\r
RomPcir = AllocatePool (sizeof (PCI_DATA_STRUCTURE));\r
if (RomPcir == NULL) {\r
- gBS->FreePool (RomHeader);\r
+ FreePool (RomHeader);\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
RomDecode (PciDevice, RomBarIndex, RomBar, TRUE);\r
\r
RomBarOffset = RomBar;\r
- retStatus = EFI_NOT_FOUND;\r
+ RetStatus = EFI_NOT_FOUND;\r
FirstCheck = TRUE;\r
\r
do {\r
}\r
\r
if (RomImageSize > 0) {\r
- retStatus = EFI_SUCCESS;\r
+ RetStatus = EFI_SUCCESS;\r
Image = AllocatePool ((UINT32) RomImageSize);\r
if (Image == NULL) {\r
RomDecode (PciDevice, RomBarIndex, RomBar, FALSE);\r
- gBS->FreePool (RomHeader);\r
- gBS->FreePool (RomPcir);\r
+ FreePool (RomHeader);\r
+ FreePool (RomPcir);\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
//\r
// Free allocated memory\r
//\r
- gBS->FreePool (RomHeader);\r
- gBS->FreePool (RomPcir);\r
+ FreePool (RomHeader);\r
+ FreePool (RomPcir);\r
\r
- return retStatus;\r
+ return RetStatus;\r
}\r
\r
-EFI_STATUS\r
+/**\r
+ Enable/Disable Option Rom decode.\r
+\r
+ @param PciDevice Pci device instance.\r
+ @param RomBarIndex The BAR index of the standard PCI Configuration header to use as the\r
+ base address for resource range. The legal range for this field is 0..5.\r
+ @param RomBar Base address of Option Rom.\r
+ @param Enable Flag for enable/disable decode.\r
+\r
+**/\r
+VOID\r
RomDecode (\r
IN PCI_IO_DEVICE *PciDevice,\r
IN UINT8 RomBarIndex,\r
IN UINT32 RomBar,\r
IN BOOLEAN Enable\r
)\r
-/**\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
-**/\r
-// TODO: PciDevice - add argument and description to function comment\r
-// TODO: RomBarIndex - add argument and description to function comment\r
-// TODO: RomBar - add argument and description to function comment\r
-// TODO: Enable - add argument and description to function comment\r
-// TODO: EFI_SUCCESS - add return value to function comment\r
{\r
UINT32 Value32;\r
UINT32 Offset;\r
//\r
// Setting the memory space bit in the function's command register\r
//\r
- PciEnableCommandRegister(PciDevice, EFI_PCI_COMMAND_MEMORY_SPACE);\r
+ PCI_ENABLE_COMMAND_REGISTER(PciDevice, EFI_PCI_COMMAND_MEMORY_SPACE);\r
\r
} else {\r
\r
//\r
// disable command register decode to memory\r
//\r
- PciDisableCommandRegister(PciDevice, EFI_PCI_COMMAND_MEMORY_SPACE);\r
+ PCI_DISABLE_COMMAND_REGISTER(PciDevice, EFI_PCI_COMMAND_MEMORY_SPACE);\r
\r
//\r
// Destroy the programmed bar in all the upstream bridge.\r
);\r
\r
}\r
-\r
- return EFI_SUCCESS;\r
-\r
}\r
\r
-EFI_STATUS\r
-ProcessOpRomImage (\r
- PCI_IO_DEVICE *PciDevice\r
- )\r
/**\r
+ Load and start the Option Rom image.\r
\r
-Routine Description:\r
-\r
- Process the oprom image.\r
+ @param PciDevice Pci device instance.\r
\r
-Arguments:\r
- PciDevice A pointer to a pci device.\r
-\r
-Returns:\r
-\r
- EFI Status.\r
+ @retval EFI_SUCCESS Successfully loaded and started PCI Option Rom image.\r
+ @retval EFI_NOT_FOUND Failed to process PCI Option Rom image.\r
\r
**/\r
+EFI_STATUS\r
+ProcessOpRomImage (\r
+ IN PCI_IO_DEVICE *PciDevice\r
+ )\r
{\r
- UINT8 Indicator;\r
- UINT32 ImageSize;\r
- UINT16 ImageOffset;\r
- VOID *RomBar;\r
- UINT8 *RomBarOffset;\r
- EFI_HANDLE ImageHandle;\r
- EFI_STATUS Status;\r
- EFI_STATUS retStatus;\r
- BOOLEAN FirstCheck;\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
- EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;\r
- PCI_DATA_STRUCTURE *Pcir;\r
- EFI_DEVICE_PATH_PROTOCOL *PciOptionRomImageDevicePath;\r
+ UINT8 Indicator;\r
+ UINT32 ImageSize;\r
+ VOID *RomBar;\r
+ UINT8 *RomBarOffset;\r
+ EFI_HANDLE ImageHandle;\r
+ EFI_STATUS Status;\r
+ EFI_STATUS RetStatus;\r
+ BOOLEAN FirstCheck;\r
+ EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;\r
+ PCI_DATA_STRUCTURE *Pcir;\r
+ EFI_DEVICE_PATH_PROTOCOL *PciOptionRomImageDevicePath;\r
+ MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH EfiOpRomImageNode;\r
+ VOID *Buffer;\r
+ UINTN BufferSize;\r
\r
Indicator = 0;\r
\r
//\r
- // Get the Address of the Rom image\r
+ // Get the Address of the Option Rom image\r
//\r
RomBar = PciDevice->PciIo.RomImage;\r
RomBarOffset = (UINT8 *) RomBar;\r
- retStatus = EFI_NOT_FOUND;\r
+ RetStatus = EFI_NOT_FOUND;\r
FirstCheck = TRUE;\r
\r
do {\r
EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) RomBarOffset;\r
if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {\r
- RomBarOffset = RomBarOffset + 512;\r
+ RomBarOffset += 512;\r
if (FirstCheck) {\r
break;\r
} else {\r
ImageSize = (UINT32) (Pcir->ImageLength * 512);\r
Indicator = Pcir->Indicator;\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 = (UINT32) (EfiRomHeader->InitializationSize * 512);\r
-\r
- ImageBuffer = (VOID *) (RomBarOffset + ImageOffset);\r
- ImageLength = ImageSize - (UINT32)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
- // Build Memory Mapped device path node to record the image offset into the PCI Option ROM\r
- //\r
- mPciOptionRomImageDevicePathNodeTemplate.StartingAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) (RomBarOffset - (UINT8 *) RomBar);\r
- mPciOptionRomImageDevicePathNodeTemplate.EndingAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) (RomBarOffset + ImageSize - 1 - (UINT8 *) RomBar);\r
- PciOptionRomImageDevicePath = AppendDevicePathNode (PciDevice->DevicePath, (const EFI_DEVICE_PATH_PROTOCOL *)&mPciOptionRomImageDevicePathNodeTemplate);\r
- ASSERT (PciOptionRomImageDevicePath != NULL);\r
-\r
- //\r
- // load image and start image\r
- //\r
- Status = gBS->LoadImage (\r
- FALSE,\r
- gPciBusDriverBinding.DriverBindingHandle,\r
- PciOptionRomImageDevicePath,\r
- ImageBuffer,\r
- ImageLength,\r
- &ImageHandle\r
- );\r
-\r
- //\r
- // Free the device path after it has been used by LoadImage\r
- //\r
- gBS->FreePool (PciOptionRomImageDevicePath);\r
-\r
- if (!EFI_ERROR (Status)) {\r
- Status = gBS->StartImage (ImageHandle, NULL, NULL);\r
- if (!EFI_ERROR (Status)) {\r
- AddDriver (PciDevice, ImageHandle);\r
- PciRomAddImageMapping (\r
- ImageHandle,\r
- PciDevice->PciRootBridgeIo->SegmentNumber,\r
- PciDevice->BusNumber,\r
- PciDevice->DeviceNumber,\r
- PciDevice->FunctionNumber,\r
- (UINT64) (UINTN) PciDevice->PciIo.RomImage,\r
- PciDevice->PciIo.RomSize\r
- );\r
- retStatus = EFI_SUCCESS;\r
- }\r
- }\r
- }\r
+ //\r
+ // Create Pci Option Rom Image device path header\r
+ //\r
+ EfiOpRomImageNode.Header.Type = MEDIA_DEVICE_PATH;\r
+ EfiOpRomImageNode.Header.SubType = MEDIA_RELATIVE_OFFSET_RANGE_DP;\r
+ SetDevicePathNodeLength (&EfiOpRomImageNode.Header, sizeof (EfiOpRomImageNode));\r
+ EfiOpRomImageNode.StartingOffset = (UINTN) RomBarOffset - (UINTN) RomBar;\r
+ EfiOpRomImageNode.EndingOffset = (UINTN) RomBarOffset + ImageSize - 1 - (UINTN) RomBar;\r
\r
- RomBarOffset = RomBarOffset + ImageSize;\r
- } else {\r
- RomBarOffset = RomBarOffset + ImageSize;\r
+ PciOptionRomImageDevicePath = AppendDevicePathNode (PciDevice->DevicePath, &EfiOpRomImageNode.Header);\r
+ ASSERT (PciOptionRomImageDevicePath != NULL);\r
+\r
+ //\r
+ // load image and start image\r
+ //\r
+ BufferSize = 0;\r
+ Buffer = NULL;\r
+ Status = EFI_SUCCESS;\r
+ ImageHandle = NULL;\r
+\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = gBS->LoadImage (\r
+ FALSE,\r
+ gPciBusDriverBinding.DriverBindingHandle,\r
+ PciOptionRomImageDevicePath,\r
+ Buffer,\r
+ BufferSize,\r
+ &ImageHandle\r
+ );\r
+ }\r
+\r
+ //\r
+ // load image and start image\r
+ //\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = gBS->LoadImage (\r
+ FALSE,\r
+ gPciBusDriverBinding.DriverBindingHandle,\r
+ PciOptionRomImageDevicePath,\r
+ Buffer,\r
+ BufferSize,\r
+ &ImageHandle\r
+ );\r
+ }\r
+\r
+ FreePool (PciOptionRomImageDevicePath);\r
+\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = gBS->StartImage (ImageHandle, NULL, NULL);\r
+ if (!EFI_ERROR (Status)) {\r
+ AddDriver (PciDevice, ImageHandle);\r
+ PciRomAddImageMapping (\r
+ ImageHandle,\r
+ PciDevice->PciRootBridgeIo->SegmentNumber,\r
+ PciDevice->BusNumber,\r
+ PciDevice->DeviceNumber,\r
+ PciDevice->FunctionNumber,\r
+ (UINT64) (UINTN) PciDevice->PciIo.RomImage,\r
+ PciDevice->PciIo.RomSize\r
+ );\r
+ RetStatus = EFI_SUCCESS;\r
}\r
- } else {\r
- RomBarOffset = RomBarOffset + ImageSize;\r
}\r
\r
- } while (((Indicator & 0x80) == 0x00) && ((UINTN) (RomBarOffset - (UINT8 *) RomBar) < PciDevice->RomSize));\r
+ RomBarOffset += ImageSize;\r
\r
- return retStatus;\r
+ } while (((Indicator & 0x80) == 0x00) && ((UINTN) (RomBarOffset - (UINT8 *) RomBar) < PciDevice->RomSize));\r
\r
+ return RetStatus;\r
}\r
+\r
projects / mirror_edk2.git / blobdiff