+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006, 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
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
-\r
- PciRomTable.c\r
- \r
-Abstract:\r
-\r
- Option Rom Support for PCI Bus Driver\r
-\r
-Revision History\r
-\r
---*/\r
-\r
-#include "pcibus.h"\r
-#include "PciRomTable.h"\r
-\r
-typedef struct {\r
- EFI_HANDLE ImageHandle;\r
- UINTN Seg;\r
- UINT8 Bus;\r
- UINT8 Dev;\r
- UINT8 Func;\r
- UINT64 RomAddress;\r
- UINT64 RomLength;\r
-} EFI_PCI_ROM_IMAGE_MAPPING;\r
-\r
-static UINTN mNumberOfPciRomImages = 0;\r
-static UINTN mMaxNumberOfPciRomImages = 0;\r
-static EFI_PCI_ROM_IMAGE_MAPPING *mRomImageTable = NULL;\r
-\r
-VOID\r
-PciRomAddImageMapping (\r
- IN EFI_HANDLE ImageHandle,\r
- IN UINTN Seg,\r
- IN UINT8 Bus,\r
- IN UINT8 Dev,\r
- IN UINT8 Func,\r
- IN UINT64 RomAddress,\r
- IN UINT64 RomLength\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- TODO: Add function description\r
-\r
-Arguments:\r
-\r
- ImageHandle - TODO: add argument description\r
- Seg - TODO: add argument description\r
- Bus - TODO: add argument description\r
- Dev - TODO: add argument description\r
- Func - TODO: add argument description\r
- RomAddress - TODO: add argument description\r
- RomLength - TODO: add argument description\r
-\r
-Returns:\r
-\r
- TODO: add return values\r
-\r
---*/\r
-{\r
- EFI_PCI_ROM_IMAGE_MAPPING *TempMapping;\r
-\r
- if (mNumberOfPciRomImages >= mMaxNumberOfPciRomImages) {\r
-\r
- mMaxNumberOfPciRomImages += 0x20;\r
-\r
- TempMapping = NULL;\r
- TempMapping = AllocatePool (mMaxNumberOfPciRomImages * sizeof (EFI_PCI_ROM_IMAGE_MAPPING));\r
- if (TempMapping == NULL) {\r
- return ;\r
- }\r
-\r
- CopyMem (TempMapping, mRomImageTable, mNumberOfPciRomImages * sizeof (EFI_PCI_ROM_IMAGE_MAPPING));\r
-\r
- if (mRomImageTable != NULL) {\r
- gBS->FreePool (mRomImageTable);\r
- }\r
-\r
- mRomImageTable = TempMapping;\r
- }\r
-\r
- mRomImageTable[mNumberOfPciRomImages].ImageHandle = ImageHandle;\r
- mRomImageTable[mNumberOfPciRomImages].Seg = Seg;\r
- mRomImageTable[mNumberOfPciRomImages].Bus = Bus;\r
- mRomImageTable[mNumberOfPciRomImages].Dev = Dev;\r
- mRomImageTable[mNumberOfPciRomImages].Func = Func;\r
- mRomImageTable[mNumberOfPciRomImages].RomAddress = RomAddress;\r
- mRomImageTable[mNumberOfPciRomImages].RomLength = RomLength;\r
- mNumberOfPciRomImages++;\r
-}\r
-\r
-EFI_STATUS\r
-PciRomGetRomResourceFromPciOptionRomTable (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,\r
- PCI_IO_DEVICE *PciIoDevice\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-// TODO: This - add argument and description to function comment\r
-// TODO: PciRootBridgeIo - add argument and description to function comment\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
-{\r
- EFI_STATUS Status;\r
- EFI_PCI_OPTION_ROM_TABLE *PciOptionRomTable;\r
- EFI_PCI_OPTION_ROM_DESCRIPTOR *PciOptionRomDescriptor;\r
- UINTN Index;\r
-\r
- Status = EfiGetSystemConfigurationTable (&gEfiPciOptionRomTableGuid, (VOID **) &PciOptionRomTable);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
-\r
- for (Index = 0; Index < PciOptionRomTable->PciOptionRomCount; Index++) {\r
- PciOptionRomDescriptor = &PciOptionRomTable->PciOptionRomDescriptors[Index];\r
- if (PciOptionRomDescriptor->Seg == PciRootBridgeIo->SegmentNumber &&\r
- PciOptionRomDescriptor->Bus == PciIoDevice->BusNumber &&\r
- PciOptionRomDescriptor->Dev == PciIoDevice->DeviceNumber &&\r
- PciOptionRomDescriptor->Func == PciIoDevice->FunctionNumber ) {\r
-\r
- PciIoDevice->PciIo.RomImage = (VOID *) (UINTN) PciOptionRomDescriptor->RomAddress;\r
- PciIoDevice->PciIo.RomSize = (UINTN) PciOptionRomDescriptor->RomLength;\r
- }\r
- }\r
-\r
- for (Index = 0; Index < mNumberOfPciRomImages; Index++) {\r
- if (mRomImageTable[Index].Seg == PciRootBridgeIo->SegmentNumber &&\r
- mRomImageTable[Index].Bus == PciIoDevice->BusNumber &&\r
- mRomImageTable[Index].Dev == PciIoDevice->DeviceNumber &&\r
- mRomImageTable[Index].Func == PciIoDevice->FunctionNumber ) {\r
-\r
- AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);\r
- }\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-PciRomGetImageMapping (\r
- PCI_IO_DEVICE *PciIoDevice\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-// TODO: PciIoDevice - add argument and description to function comment\r
-// TODO: EFI_SUCCESS - add return value to function comment\r
-{\r
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;\r
- UINTN Index;\r
-\r
- PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;\r
-\r
- for (Index = 0; Index < mNumberOfPciRomImages; Index++) {\r
- if (mRomImageTable[Index].Seg == PciRootBridgeIo->SegmentNumber &&\r
- mRomImageTable[Index].Bus == PciIoDevice->BusNumber &&\r
- mRomImageTable[Index].Dev == PciIoDevice->DeviceNumber &&\r
- mRomImageTable[Index].Func == PciIoDevice->FunctionNumber ) {\r
-\r
- if (mRomImageTable[Index].ImageHandle != NULL) {\r
- AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);\r
- } else {\r
- PciIoDevice->PciIo.RomImage = (VOID *) (UINTN) mRomImageTable[Index].RomAddress;\r
- PciIoDevice->PciIo.RomSize = (UINTN) mRomImageTable[Index].RomLength;\r
- }\r
- }\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
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