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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciBus.h
View File

@ -22,6 +22,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/LoadedImage.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>
#include <Protocol/PciIo.h>
#include <Protocol/LoadFile2.h>
#include <Guid/PciHotplugDevice.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Protocol/PciHotPlugRequest.h>
@ -129,6 +130,7 @@ typedef struct _PCI_IO_DEVICE {
EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL PciDriverOverride;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
EFI_LOAD_FILE2_PROTOCOL LoadFile2;
//
// PCI configuration space header type
@ -230,6 +232,9 @@ typedef struct _PCI_IO_DEVICE {
#define PCI_IO_DEVICE_FROM_LINK(a) \
CR (a, PCI_IO_DEVICE, Link, PCI_IO_DEVICE_SIGNATURE)
#define PCI_IO_DEVICE_FROM_LOAD_FILE2_THIS(a) \
CR (a, PCI_IO_DEVICE, LoadFile2, PCI_IO_DEVICE_SIGNATURE)
//
// Global Variables
//

1
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
View File

@ -106,6 +106,7 @@
gEfiDevicePathProtocolGuid # PROTOCOL TO_START
gEfiIncompatiblePciDeviceSupportProtocolGuid # PROTOCOL TO_START
gEfiUgaIoProtocolGuid # ALWAYS_CONSUMED System Table
gEfiLoadFile2ProtocolGuid # SOMETIMES_CONSUMED
[FeaturePcd.common]
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPciVgaEnable

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

4
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciDriverOverride.c
View File

@ -19,15 +19,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@param PciIoDevice Device instance.
@retval EFI_SUCCESS Operation success.
**/
EFI_STATUS
VOID
InitializePciDriverOverrideInstance (
PCI_IO_DEVICE *PciIoDevice
)
{
PciIoDevice->PciDriverOverride.GetDriver = GetDriver;
return EFI_SUCCESS;
}
/**

3
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciDriverOverride.h
View File

@ -32,9 +32,8 @@ typedef struct {
@param PciIoDevice Device instance.
@retval EFI_SUCCESS Operation success.
**/
EFI_STATUS
VOID
InitializePciDriverOverrideInstance (
PCI_IO_DEVICE *PciIoDevice
);

11
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.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
@ -1664,13 +1664,10 @@ CreatePciIoDevice (
// Initialize the PCI I/O instance structure
//
Status = InitializePciIoInstance (PciIoDevice);
Status = InitializePciDriverOverrideInstance (PciIoDevice);
InitializePciIoInstance (PciIoDevice);
InitializePciDriverOverrideInstance (PciIoDevice);
InitializePciLoadFile2 (PciIoDevice);
if (EFI_ERROR (Status)) {
gBS->FreePool (PciIoDevice);
return NULL;
}
//
// Initialize the reserved resource list

4
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciIo.c
View File

@ -90,15 +90,13 @@ ReportErrorStatusCode (
@param PciIoDevice Pci device instance.
@retval EFI_SUCCESS Success operation.
**/
EFI_STATUS
VOID
InitializePciIoInstance (
PCI_IO_DEVICE *PciIoDevice
)
{
CopyMem (&PciIoDevice->PciIo, &PciIoInterface, sizeof (EFI_PCI_IO_PROTOCOL));
return EFI_SUCCESS;
}
/**

3
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciIo.h
View File

@ -20,9 +20,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@param PciIoDevice Pci device instance.
@retval EFI_SUCCESS Success operation.
**/
EFI_STATUS
VOID
InitializePciIoInstance (
PCI_IO_DEVICE *PciIoDevice
);

428
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c
View File

@ -16,6 +16,202 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <IndustryStandard/Pci23.h>
/**
Load the EFI Image from Option ROM
@param PciIoDevice PCI IO Device
@param FilePath The file path of the EFI Image
@param BufferSize On input the size of Buffer in bytes. On output with a return
code of EFI_SUCCESS, the amount of data transferred to Buffer.
On output with a return code of EFI_BUFFER_TOO_SMALL,
the size of Buffer required to retrieve the requested file.
@param Buffer The memory buffer to transfer the file to. If Buffer is NULL,
then no the size of the requested file is returned in BufferSize.
@retval EFI_SUCCESS The file was loaded.
@retval EFI_UNSUPPORTED BootPolicy is TRUE.
@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
BufferSize has been updated with the size needed to complete the request.
**/
EFI_STATUS
LocalLoadFile2 (
IN PCI_IO_DEVICE *PciIoDevice,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
IN OUT UINTN *BufferSize,
IN VOID *Buffer OPTIONAL
)
{
EFI_STATUS Status;
MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *EfiOpRomImageNode;
EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;
PCI_DATA_STRUCTURE *Pcir;
UINT32 ImageSize;
UINT8 *ImageBuffer;
UINT32 ImageLength;
UINT32 DestinationSize;
UINT32 ScratchSize;
VOID *Scratch;
EFI_DECOMPRESS_PROTOCOL *Decompress;
EfiOpRomImageNode = (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *) FilePath;
if ((EfiOpRomImageNode == NULL) ||
(DevicePathType (FilePath) != MEDIA_DEVICE_PATH) ||
(DevicePathSubType (FilePath) != MEDIA_RELATIVE_OFFSET_RANGE_DP) ||
(DevicePathNodeLength (FilePath) != sizeof (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH)) ||
(!IsDevicePathEnd (NextDevicePathNode (FilePath))) ||
(EfiOpRomImageNode->StartingOffset > EfiOpRomImageNode->EndingOffset) ||
(EfiOpRomImageNode->EndingOffset >= PciIoDevice->RomSize) ||
(BufferSize == NULL)
) {
return EFI_INVALID_PARAMETER;
}
EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (
(UINT8 *) PciIoDevice->PciIo.RomImage + EfiOpRomImageNode->StartingOffset
);
if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
return EFI_NOT_FOUND;
}
Pcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) EfiRomHeader + EfiRomHeader->PcirOffset);
if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&
(EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE) &&
((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) ||
(EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER)) &&
(EfiRomHeader->CompressionType <= EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED)
) {
ImageSize = (UINT32) EfiRomHeader->InitializationSize * 512;
ImageBuffer = (UINT8 *) EfiRomHeader + EfiRomHeader->EfiImageHeaderOffset;
ImageLength = ImageSize - EfiRomHeader->EfiImageHeaderOffset;
if (EfiRomHeader->CompressionType != EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
//
// Uncompressed: Copy the EFI Image directly to user's buffer
//
if (Buffer == NULL || *BufferSize < ImageLength) {
*BufferSize = ImageLength;
return EFI_BUFFER_TOO_SMALL;
}
*BufferSize = ImageLength;
CopyMem (Buffer, ImageBuffer, ImageLength);
return EFI_SUCCESS;
} else {
//
// Compressed: Uncompress before copying
//
Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, &Decompress);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
Status = Decompress->GetInfo (
Decompress,
ImageBuffer,
ImageLength,
&DestinationSize,
&ScratchSize
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
if (Buffer == NULL || *BufferSize < DestinationSize) {
*BufferSize = DestinationSize;
return EFI_BUFFER_TOO_SMALL;
}
*BufferSize = DestinationSize;
Scratch = AllocatePool (ScratchSize);
if (Scratch == NULL) {
return EFI_DEVICE_ERROR;
}
Status = Decompress->Decompress (
Decompress,
ImageBuffer,
ImageLength,
Buffer,
DestinationSize,
Scratch,
ScratchSize
);
gBS->FreePool (Scratch);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
}
return EFI_NOT_FOUND;
}
/**
Initialize a PCI LoadFile2 instance
@param PciIoDevice - PCI IO Device
**/
VOID
InitializePciLoadFile2 (
PCI_IO_DEVICE *PciIoDevice
)
{
PciIoDevice->LoadFile2.LoadFile = LoadFile2;
}
/**
Causes the driver to load a specified file.
@param This Indicates a pointer to the calling context.
@param FilePath The device specific path of the file to load.
@param BootPolicy Should always be FALSE.
@param BufferSize On input the size of Buffer in bytes. On output with a return
code of EFI_SUCCESS, the amount of data transferred to Buffer.
On output with a return code of EFI_BUFFER_TOO_SMALL,
the size of Buffer required to retrieve the requested file.
@param Buffer The memory buffer to transfer the file to. If Buffer is NULL,
then no the size of the requested file is returned in BufferSize.
@retval EFI_SUCCESS The file was loaded.
@retval EFI_UNSUPPORTED BootPolicy is TRUE.
@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
BufferSize has been updated with the size needed to complete the request.
**/
EFI_STATUS
EFIAPI
LoadFile2 (
IN EFI_LOAD_FILE2_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
IN BOOLEAN BootPolicy,
IN OUT UINTN *BufferSize,
IN VOID *Buffer OPTIONAL
)
{
PCI_IO_DEVICE *PciIoDevice;
if (BootPolicy) {
return EFI_UNSUPPORTED;
}
PciIoDevice = PCI_IO_DEVICE_FROM_LOAD_FILE2_THIS (This);
return LocalLoadFile2 (
PciIoDevice,
FilePath,
BufferSize,
Buffer
);
}
//
// Module global for a template of the PCI option ROM Image Device Path Node
//
@ -124,6 +320,54 @@ GetOpRomInfo (
return EFI_SUCCESS;
}
/**
Check if the RomImage contains EFI Images.
@param RomImage The ROM address of Image for check.
@param RomSize Size of ROM for check.
@retval TRUE ROM contain EFI Image.
@retval FALSE ROM not contain EFI Image.
**/
BOOLEAN
ContainEfiImage (
IN VOID *RomImage,
IN UINT64 RomSize
)
{
PCI_EXPANSION_ROM_HEADER *RomHeader;
PCI_DATA_STRUCTURE *RomPcir;
BOOLEAN FirstCheck;
FirstCheck = TRUE;
RomHeader = RomImage;
while ((UINT8 *) RomHeader < (UINT8 *) RomImage + RomSize) {
if (RomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
if (FirstCheck) {
return FALSE;
} else {
RomHeader = (PCI_EXPANSION_ROM_HEADER *) ((UINT8 *) RomHeader + 512);
continue;
}
}
FirstCheck = FALSE;
RomPcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) RomHeader + RomHeader->PcirOffset);
if (RomPcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) {
return TRUE;
}
RomHeader = (PCI_EXPANSION_ROM_HEADER *) ((UINT8 *) RomHeader + RomPcir->Length * 512);
}
return FALSE;
}
/**
Load option rom image for specified PCI device
@ -396,25 +640,20 @@ ProcessOpRomImage (
{
UINT8 Indicator;
UINT32 ImageSize;
UINT16 ImageOffset;
VOID *RomBar;
UINT8 *RomBarOffset;
EFI_HANDLE ImageHandle;
EFI_STATUS Status;
EFI_STATUS RetStatus;
BOOLEAN FirstCheck;
BOOLEAN SkipImage;
UINT32 DestinationSize;
UINT32 ScratchSize;
UINT8 *Scratch;
VOID *ImageBuffer;
VOID *DecompressedImageBuffer;
UINT32 ImageLength;
EFI_DECOMPRESS_PROTOCOL *Decompress;
EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;
PCI_DATA_STRUCTURE *Pcir;
EFI_DEVICE_PATH_PROTOCOL *PciOptionRomImageDevicePath;
MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH EfiOpRomImageNode;
VOID *Buffer;
UINTN BufferSize;
Indicator = 0;
//
@ -428,7 +667,7 @@ ProcessOpRomImage (
do {
EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) RomBarOffset;
if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
RomBarOffset = RomBarOffset + 512;
RomBarOffset += 512;
if (FirstCheck) {
break;
} else {
@ -441,120 +680,73 @@ ProcessOpRomImage (
ImageSize = (UINT32) (Pcir->ImageLength * 512);
Indicator = Pcir->Indicator;
if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&
(EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE)) {
//
// Create Pci Option Rom Image device path header
//
EfiOpRomImageNode.Header.Type = MEDIA_DEVICE_PATH;
EfiOpRomImageNode.Header.SubType = MEDIA_RELATIVE_OFFSET_RANGE_DP;
SetDevicePathNodeLength (&EfiOpRomImageNode.Header, sizeof (EfiOpRomImageNode));
EfiOpRomImageNode.StartingOffset = (UINTN) RomBarOffset - (UINTN) RomBar;
EfiOpRomImageNode.EndingOffset = (UINTN) RomBarOffset + ImageSize - 1 - (UINTN) RomBar;
if ((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) ||
(EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER)) {
PciOptionRomImageDevicePath = AppendDevicePathNode (PciDevice->DevicePath, &EfiOpRomImageNode.Header);
ASSERT (PciOptionRomImageDevicePath != NULL);
ImageOffset = EfiRomHeader->EfiImageHeaderOffset;
ImageSize = (UINT32) (EfiRomHeader->InitializationSize * 512);
//
// load image and start image
//
ImageBuffer = (VOID *) (RomBarOffset + ImageOffset);
ImageLength = ImageSize - (UINT32)ImageOffset;
DecompressedImageBuffer = NULL;
BufferSize = 0;
Buffer = NULL;
Status = EFI_SUCCESS;
ImageHandle = NULL;
//
// decompress here if needed
//
SkipImage = FALSE;
if (EfiRomHeader->CompressionType > EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
SkipImage = TRUE;
}
if (EfiRomHeader->CompressionType == EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID **) &Decompress);
if (EFI_ERROR (Status)) {
SkipImage = TRUE;
} else {
SkipImage = TRUE;
Status = Decompress->GetInfo (
Decompress,
ImageBuffer,
ImageLength,
&DestinationSize,
&ScratchSize
);
if (!EFI_ERROR (Status)) {
DecompressedImageBuffer = NULL;
DecompressedImageBuffer = AllocatePool (DestinationSize);
if (DecompressedImageBuffer != NULL) {
Scratch = AllocatePool (ScratchSize);
if (Scratch != NULL) {
Status = Decompress->Decompress (
Decompress,
ImageBuffer,
ImageLength,
DecompressedImageBuffer,
DestinationSize,
Scratch,
ScratchSize
);
if (!EFI_ERROR (Status)) {
ImageBuffer = DecompressedImageBuffer;
ImageLength = DestinationSize;
SkipImage = FALSE;
}
gBS->FreePool (Scratch);
}
}
}
}
}
if (!SkipImage) {
//
// Build Memory Mapped device path node to record the image offset into the PCI Option ROM
//
mPciOptionRomImageDevicePathNodeTemplate.StartingAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) (RomBarOffset - (UINT8 *) RomBar);
mPciOptionRomImageDevicePathNodeTemplate.EndingAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) (RomBarOffset + ImageSize - 1 - (UINT8 *) RomBar);
PciOptionRomImageDevicePath = AppendDevicePathNode (PciDevice->DevicePath, (const EFI_DEVICE_PATH_PROTOCOL *)&mPciOptionRomImageDevicePathNodeTemplate);
ASSERT (PciOptionRomImageDevicePath != NULL);
//
// load image and start image
//
Status = gBS->LoadImage (
FALSE,
gPciBusDriverBinding.DriverBindingHandle,
PciOptionRomImageDevicePath,
ImageBuffer,
ImageLength,
&ImageHandle
);
//
// Free the device path after it has been used by LoadImage
//
gBS->FreePool (PciOptionRomImageDevicePath);
if (!EFI_ERROR (Status)) {
Status = gBS->StartImage (ImageHandle, NULL, NULL);
if (!EFI_ERROR (Status)) {
AddDriver (PciDevice, ImageHandle);
PciRomAddImageMapping (
ImageHandle,
PciDevice->PciRootBridgeIo->SegmentNumber,
PciDevice->BusNumber,
PciDevice->DeviceNumber,
PciDevice->FunctionNumber,
(UINT64) (UINTN) PciDevice->PciIo.RomImage,
PciDevice->PciIo.RomSize
);
RetStatus = EFI_SUCCESS;
}
}
}
RomBarOffset = RomBarOffset + ImageSize;
} else {
RomBarOffset = RomBarOffset + ImageSize;
}
} else {
RomBarOffset = RomBarOffset + ImageSize;
if (!EFI_ERROR (Status)) {
Status = gBS->LoadImage (
FALSE,
gPciBusDriverBinding.DriverBindingHandle,
PciOptionRomImageDevicePath,
Buffer,
BufferSize,
&ImageHandle
);
}
//
// load image and start image
//
if (!EFI_ERROR (Status)) {
Status = gBS->LoadImage (
FALSE,
gPciBusDriverBinding.DriverBindingHandle,
PciOptionRomImageDevicePath,
Buffer,
BufferSize,
&ImageHandle
);
}
gBS->FreePool (PciOptionRomImageDevicePath);
if (!EFI_ERROR (Status)) {
Status = gBS->StartImage (ImageHandle, NULL, NULL);
if (!EFI_ERROR (Status)) {
AddDriver (PciDevice, ImageHandle);
PciRomAddImageMapping (
ImageHandle,
PciDevice->PciRootBridgeIo->SegmentNumber,
PciDevice->BusNumber,
PciDevice->DeviceNumber,
PciDevice->FunctionNumber,
(UINT64) (UINTN) PciDevice->PciIo.RomImage,
PciDevice->PciIo.RomSize
);
RetStatus = EFI_SUCCESS;
}
}
RomBarOffset += ImageSize;
} while (((Indicator & 0x80) == 0x00) && ((UINTN) (RomBarOffset - (UINT8 *) RomBar) < PciDevice->RomSize));
return RetStatus;

60
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.h
View File

@ -14,6 +14,66 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef _EFI_PCI_OP_ROM_SUPPORT_H_
#define _EFI_PCI_OP_ROM_SUPPORT_H_
#include <Protocol/LoadFile2.h>
/**
Initialize a PCI LoadFile2 instance
@param PciIoDevice - PCI IO Device
**/
VOID
InitializePciLoadFile2 (
PCI_IO_DEVICE *PciIoDevice
);
/**
Causes the driver to load a specified file.
@param This Indicates a pointer to the calling context.
@param FilePath The device specific path of the file to load.
@param BootPolicy Should always be FALSE.
@param BufferSize On input the size of Buffer in bytes. On output with a return
code of EFI_SUCCESS, the amount of data transferred to Buffer.
On output with a return code of EFI_BUFFER_TOO_SMALL,
the size of Buffer required to retrieve the requested file.
@param Buffer The memory buffer to transfer the file to. If Buffer is NULL,
then no the size of the requested file is returned in BufferSize.
@retval EFI_SUCCESS The file was loaded.
@retval EFI_UNSUPPORTED BootPolicy is TRUE.
@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
BufferSize has been updated with the size needed to complete the request.
**/
EFI_STATUS
EFIAPI
LoadFile2 (
IN EFI_LOAD_FILE2_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
IN BOOLEAN BootPolicy,
IN OUT UINTN *BufferSize,
IN VOID *Buffer OPTIONAL
);
/**
Check if the RomImage contains EFI Images.
@param RomImage The ROM address of Image for check.
@param RomSize Size of ROM for check.
@retval TRUE ROM contain EFI Image.
@retval FALSE ROM not contain EFI Image.
**/
BOOLEAN
ContainEfiImage (
IN VOID *RomImage,
IN UINT64 RomSize
);
/**
Get Pci device's oprom infor bits.

59
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
View File

@ -82,76 +82,33 @@ PciRomAddImageMapping (
mNumberOfPciRomImages++;
}
/**
Load all option rom image to PCI driver list.
@param This Pointer to protocol instance EFI_DRIVER_BINDING_PROTOCOL
@param PciRootBridgeIo Root bridge Io instance
@param PciIoDevice device instance
**/
EFI_STATUS
PciRomGetRomResourceFromPciOptionRomTable (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
PCI_IO_DEVICE *PciIoDevice
)
{
EFI_STATUS Status;
EFI_PCI_OPTION_ROM_TABLE *PciOptionRomTable;
EFI_PCI_OPTION_ROM_DESCRIPTOR *PciOptionRomDescriptor;
UINTN Index;
Status = EfiGetSystemConfigurationTable (&gEfiPciOptionRomTableGuid, (VOID **) &PciOptionRomTable);
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
for (Index = 0; Index < PciOptionRomTable->PciOptionRomCount; Index++) {
PciOptionRomDescriptor = &PciOptionRomTable->PciOptionRomDescriptors[Index];
if (PciOptionRomDescriptor->Seg == PciRootBridgeIo->SegmentNumber &&
PciOptionRomDescriptor->Bus == PciIoDevice->BusNumber &&
PciOptionRomDescriptor->Dev == PciIoDevice->DeviceNumber &&
PciOptionRomDescriptor->Func == PciIoDevice->FunctionNumber ) {
PciIoDevice->PciIo.RomImage = (VOID *) (UINTN) PciOptionRomDescriptor->RomAddress;
PciIoDevice->PciIo.RomSize = (UINTN) PciOptionRomDescriptor->RomLength;
}
}
for (Index = 0; Index < mNumberOfPciRomImages; Index++) {
if (mRomImageTable[Index].Seg == PciRootBridgeIo->SegmentNumber &&
mRomImageTable[Index].Bus == PciIoDevice->BusNumber &&
mRomImageTable[Index].Dev == PciIoDevice->DeviceNumber &&
mRomImageTable[Index].Func == PciIoDevice->FunctionNumber ) {
AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);
}
}
return EFI_SUCCESS;
}
/**
Get Option rom driver's mapping for PCI device.
@param PciIoDevice Device instance.
@retval TRUE Found Image mapping.
@retval FALSE
**/
EFI_STATUS
BOOLEAN
PciRomGetImageMapping (
PCI_IO_DEVICE *PciIoDevice
)
{
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
UINTN Index;
BOOLEAN Found;
PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;
Found = FALSE;
for (Index = 0; Index < mNumberOfPciRomImages; Index++) {
if (mRomImageTable[Index].Seg == PciRootBridgeIo->SegmentNumber &&
mRomImageTable[Index].Bus == PciIoDevice->BusNumber &&
mRomImageTable[Index].Dev == PciIoDevice->DeviceNumber &&
mRomImageTable[Index].Func == PciIoDevice->FunctionNumber ) {
Found = TRUE;
if (mRomImageTable[Index].ImageHandle != NULL) {
AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);
@ -162,5 +119,5 @@ PciRomGetImageMapping (
}
}
return EFI_SUCCESS;
return Found;
}

20
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciRomTable.h
View File

@ -1,7 +1,7 @@
/** @file
Option Rom Support for PCI Bus Driver
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
@ -36,27 +36,17 @@ PciRomAddImageMapping (
IN UINT64 RomAddress,
IN UINT64 RomLength
);
/**
Load all option rom image to PCI driver list.
@param This Pointer to protocol instance EFI_DRIVER_BINDING_PROTOCOL.
@param PciRootBridgeIo Root bridge Io instance.
@param PciIoDevice device instance.
**/
EFI_STATUS
PciRomGetRomResourceFromPciOptionRomTable (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
PCI_IO_DEVICE *PciIoDevice
);
/**
Get Option rom driver's mapping for PCI device.
@param PciIoDevice Device instance.
@retval TRUE Found Image mapping.
@retval FALSE
**/
EFI_STATUS
BOOLEAN
PciRomGetImageMapping (
PCI_IO_DEVICE *PciIoDevice
);

32
IntelFrameworkModulePkg/Library/GenericBdsLib/DevicePath.c
View File

@ -1123,6 +1123,33 @@ DevPathFvFilePath (
CatPrint (Str, L"%g", &FvFilePath->FvFileName);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathRelativeOffsetRange (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset;
Offset = DevPath;
CatPrint (
Str,
L"Offset(%lx,%lx)",
Offset->StartingOffset,
Offset->EndingOffset
);
}
/**
Convert Device Path to a Unicode string for printing.
@ -1399,6 +1426,11 @@ DEVICE_PATH_STRING_TABLE DevPathTable[] = {
MEDIA_PIWG_FW_FILE_DP,
DevPathFvFilePath
},
{
MEDIA_DEVICE_PATH,
MEDIA_RELATIVE_OFFSET_RANGE_DP,
DevPathRelativeOffsetRange,
},
{
BBS_DEVICE_PATH,
BBS_BBS_DP,