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Cache the state whether the ROM image contains EFI Option ROM when loading the ROM content from PCI device to memory to avoid re-parsing the ROM image to check the EFI Option ROM. 

Signed-off-by: Ruiyu Ni<ruiyu.ni@intel.com>
Reviewed-by: Elvin Li<elvin.li@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13707 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu 2012-09-07 03:15:25 +00:00
parent f480fdc0f9
commit 7d921075b4
4 changed files with 16 additions and 74 deletions
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7
MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
View File

@ -1,7 +1,7 @@
/** @file
Header files and data structures needed by PCI Bus module.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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
@ -250,6 +250,11 @@ struct _PCI_IO_DEVICE {
//
BOOLEAN AllOpRomProcessed;
//
// TRUE if the ROM image contains EFI OpROM
//
BOOLEAN HasEfiOpRom;
//
// TRUE if there is any EFI driver in the OptionRom
//

14
MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
View File

@ -1,7 +1,7 @@
/** @file
Supporting functions implementaion for PCI devices management.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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
@ -214,7 +214,6 @@ RegisterPciDevice (
UINT8 PciExpressCapRegOffset;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT8 Data8;
BOOLEAN HasEfiImage;
//
// Install the pciio protocol, device path protocol
@ -315,12 +314,7 @@ RegisterPciDevice (
}
}
//
// Determine if there are EFI images in the option rom
//
HasEfiImage = ContainEfiImage (PciIoDevice->PciIo.RomImage, PciIoDevice->PciIo.RomSize);
if (HasEfiImage) {
if (PciIoDevice->HasEfiOpRom) {
Status = gBS->InstallMultipleProtocolInterfaces (
&PciIoDevice->Handle,
&gEfiLoadFile2ProtocolGuid,
@ -350,7 +344,7 @@ RegisterPciDevice (
// The OpRom is got from platform in the above code
// or loaded from device in the previous round of bus enumeration
//
if (HasEfiImage) {
if (PciIoDevice->HasEfiOpRom) {
ProcessOpRomImage (PciIoDevice);
}
}
@ -374,7 +368,7 @@ RegisterPciDevice (
&PciIoDevice->PciIo,
NULL
);
if (HasEfiImage) {
if (PciIoDevice->HasEfiOpRom) {
gBS->UninstallMultipleProtocolInterfaces (
&PciIoDevice->Handle,
&gEfiLoadFile2ProtocolGuid,

50
MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.c
View File

@ -309,51 +309,6 @@ 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;
RomHeader = RomImage;
if (RomHeader == NULL) {
return FALSE;
}
ASSERT (RomHeader->Signature == PCI_EXPANSION_ROM_HEADER_SIGNATURE);
while ((UINT8 *) RomHeader < (UINT8 *) RomImage + RomSize) {
if (RomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
RomHeader = (PCI_EXPANSION_ROM_HEADER *) ((UINT8 *) RomHeader + 512);
continue;
}
RomPcir = (PCI_DATA_STRUCTURE *) ((UINT8 *) RomHeader + RomHeader->PcirOffset);
ASSERT (RomPcir->Signature == PCI_DATA_STRUCTURE_SIGNATURE);
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.
@ -385,6 +340,7 @@ LoadOpRomImage (
UINT32 LegacyImageLength;
UINT8 *RomInMemory;
UINT8 CodeType;
BOOLEAN HasEfiOpRom;
RomSize = PciDevice->RomSize;
@ -436,6 +392,7 @@ LoadOpRomImage (
RetStatus = EFI_NOT_FOUND;
FirstCheck = TRUE;
LegacyImageLength = 0;
HasEfiOpRom = FALSE;
do {
PciDevice->PciRootBridgeIo->Mem.Read (
@ -486,6 +443,8 @@ LoadOpRomImage (
if (RomPcir->CodeType == PCI_CODE_TYPE_PCAT_IMAGE) {
CodeType = PCI_CODE_TYPE_PCAT_IMAGE;
LegacyImageLength = ((UINT32)((EFI_LEGACY_EXPANSION_ROM_HEADER *)RomHeader)->Size512) * 512;
} else if (RomPcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) {
HasEfiOpRom = TRUE;
}
Indicator = RomPcir->Indicator;
RomImageSize = RomImageSize + RomPcir->ImageLength * 512;
@ -525,6 +484,7 @@ LoadOpRomImage (
RomDecode (PciDevice, RomBarIndex, RomBar, FALSE);
PciDevice->HasEfiOpRom = HasEfiOpRom;
PciDevice->EmbeddedRom = TRUE;
PciDevice->PciIo.RomSize = RomImageSize;
PciDevice->PciIo.RomImage = RomInMemory;

19
MdeModulePkg/Bus/Pci/PciBusDxe/PciOptionRomSupport.h
View File

@ -1,7 +1,7 @@
/** @file
PCI Rom supporting funtions declaration for PCI Bus module.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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
@ -60,23 +60,6 @@ LoadFile2 (
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 information.