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Code scrub for PCI Bus module and PciIncompatibleDeviceSupportLib module.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8662 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2009-06-25 13:47:45 +00:00
parent 745ed9b412
commit 8e8227d1a3
33 changed files with 3495 additions and 4074 deletions
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195
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c
View File

@@ -1,4 +1,5 @@
/** @file
PCI Rom supporting funtions implementation for PCI Bus module.
Copyright (c) 2006 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials
@@ -12,24 +13,24 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "PciBus.h"
#include "PciResourceSupport.h"
#include <IndustryStandard/Pci23.h>
/**
Load the EFI Image from Option ROM
@param PciIoDevice PCI IO Device
@param PciIoDevice PCI IO device instance.
@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,
@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_SUCCESS The file was loaded.
@retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or
BufferSize is NULL.
@retval EFI_NOT_FOUND Not found PCI Option Rom on PCI device.
@retval EFI_DEVICE_ERROR Failed to decompress PCI Option Rom image.
@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.
**/
@@ -65,7 +66,7 @@ LocalLoadFile2 (
) {
return EFI_INVALID_PARAMETER;
}
EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (
(UINT8 *) PciIoDevice->PciIo.RomImage + EfiOpRomImageNode->StartingOffset
);
@@ -73,11 +74,11 @@ LocalLoadFile2 (
return EFI_NOT_FOUND;
}
Pcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) EfiRomHeader + EfiRomHeader->PcirOffset);
if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&
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)) &&
@@ -118,19 +119,19 @@ LocalLoadFile2 (
);
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,
@@ -141,7 +142,7 @@ LocalLoadFile2 (
ScratchSize
);
FreePool (Scratch);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
@@ -154,13 +155,13 @@ LocalLoadFile2 (
/**
Initialize a PCI LoadFile2 instance.
@param PciIoDevice PCI IO Device.
**/
VOID
InitializePciLoadFile2 (
PCI_IO_DEVICE *PciIoDevice
IN PCI_IO_DEVICE *PciIoDevice
)
{
PciIoDevice->LoadFile2.LoadFile = LoadFile2;
@@ -168,22 +169,26 @@ InitializePciLoadFile2 (
/**
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.
@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_SUCCESS The file was loaded.
@retval EFI_UNSUPPORTED BootPolicy is TRUE.
@retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or
BufferSize is NULL.
@retval EFI_NOT_FOUND Not found PCI Option Rom on PCI device.
@retval EFI_DEVICE_ERROR Failed to decompress PCI Option Rom image.
@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
@@ -210,31 +215,14 @@ LoadFile2 (
);
}
//
// Module global for a template of the PCI option ROM Image Device Path Node
//
MEMMAP_DEVICE_PATH mPciOptionRomImageDevicePathNodeTemplate = {
{
HARDWARE_DEVICE_PATH,
HW_MEMMAP_DP,
{
(UINT8) (sizeof (MEMMAP_DEVICE_PATH)),
(UINT8) ((sizeof (MEMMAP_DEVICE_PATH)) >> 8)
}
},
EfiMemoryMappedIO,
0,
0
};
/**
Get Pci device's oprom infor bits.
@param PciIoDevice Pci device instance
@retval EFI_NOT_FOUND Pci device has not oprom
@retval EFI_SUCCESS Pci device has oprom
@param PciIoDevice Pci device instance.
@retval EFI_NOT_FOUND Pci device has not Option Rom.
@retval EFI_SUCCESS Pci device has Option Rom.
**/
EFI_STATUS
GetOpRomInfo (
@@ -257,7 +245,7 @@ GetOpRomInfo (
PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;
//
// offset is 0x30 if is not ppb
// Offset is 0x30 if is not ppb
//
//
@@ -267,7 +255,7 @@ GetOpRomInfo (
if (IS_PCI_BRIDGE (&PciIoDevice->Pci)) {
//
// if is ppb
// If is ppb
//
//
@@ -276,7 +264,7 @@ GetOpRomInfo (
RomBarIndex = PCI_BRIDGE_ROMBAR;
}
//
// the bit0 is 0 to prevent the enabling of the Rom address decoder
// The bit0 is 0 to prevent the enabling of the Rom address decoder
//
AllOnes = 0xfffffffe;
Address = EFI_PCI_ADDRESS (Bus, Device, Function, RomBarIndex);
@@ -290,11 +278,11 @@ GetOpRomInfo (
&AllOnes
);
if (EFI_ERROR (Status)) {
return Status;
return EFI_NOT_FOUND;
}
//
// read back
// Read back
//
Status = PciRootBridgeIoRead (
PciRootBridgeIo,
@@ -305,7 +293,7 @@ GetOpRomInfo (
&AllOnes
);
if (EFI_ERROR (Status)) {
return Status;
return EFI_NOT_FOUND;
}
//
// Bits [1, 10] are reserved
@@ -320,21 +308,20 @@ GetOpRomInfo (
}
/**
Check if the RomImage contains EFI Images.
@param RomImage The ROM address of Image for check.
@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;
@@ -342,7 +329,7 @@ ContainEfiImage (
FirstCheck = TRUE;
RomHeader = RomImage;
while ((UINT8 *) RomHeader < (UINT8 *) RomImage + RomSize) {
if (RomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
if (FirstCheck) {
@@ -355,7 +342,7 @@ ContainEfiImage (
FirstCheck = FALSE;
RomPcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) RomHeader + RomHeader->PcirOffset);
if (RomPcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) {
return TRUE;
}
@@ -368,13 +355,14 @@ ContainEfiImage (
/**
Load option rom image for specified PCI device
@param PciDevice Pci device instance
@param RomBase Base address of oprom.
@retval EFI_OUT_OF_RESOURCES not enough memory to hold image
@retval EFI_SUCESS Success
Load Option Rom image for specified PCI device.
@param PciDevice Pci device instance.
@param RomBase Base address of Option Rom.
@retval EFI_OUT_OF_RESOURCES No enough memory to hold image.
@retval EFI_SUCESS Successfully loaded Option Rom.
**/
EFI_STATUS
LoadOpRomImage (
@@ -543,17 +531,16 @@ LoadOpRomImage (
}
/**
enable/disable oprom decode
@param PciDevice pci device instance
Enable/Disable Option Rom decode.
@param PciDevice Pci device instance.
@param RomBarIndex The BAR index of the standard PCI Configuration header to use as the
base address for resource range. The legal range for this field is 0..5.
@param RomBar Base address of rom
@param RomBar Base address of Option Rom.
@param Enable Flag for enable/disable decode.
@retval EFI_SUCCESS Success
**/
EFI_STATUS
VOID
RomDecode (
IN PCI_IO_DEVICE *PciDevice,
IN UINT8 RomBarIndex,
@@ -622,41 +609,41 @@ RomDecode (
);
}
return EFI_SUCCESS;
}
/**
Process the oprom image.
@param PciDevice Pci device instance
Load and start the Option Rom image.
@param PciDevice Pci device instance.
@retval EFI_SUCCESS Successfully loaded and started PCI Option Rom image.
@retval EFI_NOT_FOUND Failed to process PCI Option Rom image.
**/
EFI_STATUS
ProcessOpRomImage (
PCI_IO_DEVICE *PciDevice
IN PCI_IO_DEVICE *PciDevice
)
{
UINT8 Indicator;
UINT32 ImageSize;
VOID *RomBar;
UINT8 *RomBarOffset;
EFI_HANDLE ImageHandle;
EFI_STATUS Status;
EFI_STATUS RetStatus;
BOOLEAN FirstCheck;
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;
UINT8 Indicator;
UINT32 ImageSize;
VOID *RomBar;
UINT8 *RomBarOffset;
EFI_HANDLE ImageHandle;
EFI_STATUS Status;
EFI_STATUS RetStatus;
BOOLEAN FirstCheck;
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;
//
// Get the Address of the Rom image
// Get the Address of the Option Rom image
//
RomBar = PciDevice->PciIo.RomImage;
RomBarOffset = (UINT8 *) RomBar;
@@ -694,7 +681,6 @@ ProcessOpRomImage (
//
// load image and start image
//
BufferSize = 0;
Buffer = NULL;
Status = EFI_SUCCESS;
@@ -749,6 +735,5 @@ ProcessOpRomImage (
} while (((Indicator & 0x80) == 0x00) && ((UINTN) (RomBarOffset - (UINT8 *) RomBar) < PciDevice->RomSize));
return RetStatus;
}