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1, Add <Library/DevicePathLib.h> for all source that use device path utility macros 

2, Add DevicePathLib library class to module's INF that use device path utility macros

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6456 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2008-11-11 15:42:40 +00:00
parent e5dab01618
commit 1232b21473
21 changed files with 61 additions and 295 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Undi32.h
View File

@ -28,6 +28,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/DevicePathLib.h>
#include <IndustryStandard/Pci.h>

4
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
View File

@ -759,7 +759,7 @@ GetUsbDPFromFullDP (
// Get the Usb part first Begin node in full device path
//
UsbDevicePathBeginPtr = DevicePath;
while ( (!EfiIsDevicePathEnd (UsbDevicePathBeginPtr))&&
while ( (!IsDevicePathEnd (UsbDevicePathBeginPtr))&&
((UsbDevicePathBeginPtr->Type != MESSAGING_DEVICE_PATH) ||
(UsbDevicePathBeginPtr->SubType != MSG_USB_DP &&
UsbDevicePathBeginPtr->SubType != MSG_USB_CLASS_DP
@ -773,7 +773,7 @@ GetUsbDPFromFullDP (
// Get the Usb part first End node in full device path
//
UsbDevicePathEndPtr = UsbDevicePathBeginPtr;
while ((!EfiIsDevicePathEnd (UsbDevicePathEndPtr))&&
while ((!IsDevicePathEnd (UsbDevicePathEndPtr))&&
(UsbDevicePathEndPtr->Type == MESSAGING_DEVICE_PATH) &&
(UsbDevicePathEndPtr->SubType == MSG_USB_DP ||
UsbDevicePathEndPtr->SubType == MSG_USB_CLASS_DP

8
MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
View File

@ -691,9 +691,7 @@ CoreFvToDevicePath (
// Build a device path to the file in the FV to pass into gBS->LoadImage
//
EfiInitializeFwVolDevicepathNode (&mFvDevicePath.File, DriverName);
mFvDevicePath.End.Type = EFI_END_ENTIRE_DEVICE_PATH;
mFvDevicePath.End.SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE;
SetDevicePathNodeLength (&mFvDevicePath.End, sizeof (EFI_DEVICE_PATH_PROTOCOL));
SetDevicePathEndNode (&mFvDevicePath.End);
FileNameDevicePath = AppendDevicePath (
FvDevicePath,
@ -1046,9 +1044,7 @@ CoreFwVolEventProtocolNotify (
// be initialized completely.
//
EfiInitializeFwVolDevicepathNode (&mFvDevicePath.File, &NameGuid);
mFvDevicePath.End.Type = EFI_END_ENTIRE_DEVICE_PATH;
mFvDevicePath.End.SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE;
SetDevicePathNodeLength (&mFvDevicePath.End, sizeof (EFI_DEVICE_PATH_PROTOCOL));
SetDevicePathEndNode (&mFvDevicePath.End);
gDxeCoreLoadedImage->FilePath = DuplicateDevicePath (
(EFI_DEVICE_PATH_PROTOCOL *)&mFvDevicePath

16
MdeModulePkg/Include/Library/GenericBdsLib.h
View File

@ -505,22 +505,6 @@ BdsLibConnectConsoleVariable (
//
// Bds device path related lib functions
//
/**
Function unpacks a device path data structure so that all the nodes
of a device path are naturally aligned.
@param DevPath A pointer to a device path data structure
@return If the memory for the device path is successfully allocated, then a
pointer to the new device path is returned. Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
BdsLibUnpackDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
);
/**
Delete the instance in Multi which matches partly with Single instance

2
MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
View File

@ -38,7 +38,7 @@ Abstract:
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DevicePathLib.h>
EFI_DPC_PROTOCOL *mDpc = NULL;

3
MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
View File

@ -51,7 +51,8 @@
UefiRuntimeServicesTableLib
UefiLib
MemoryAllocationLib
DevicePathLib
[Protocols]
gEfiSimpleNetworkProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiNicIp4ConfigProtocolGuid # PROTOCOL ALWAYS_CONSUMED

10
MdeModulePkg/Library/DxePlatDriOverLib/PlatDriOverLib.c
View File

@ -1590,9 +1590,9 @@ UpdateFvFileDevicePath (
//
TempDevicePath = *DevicePath;
LastDeviceNode = TempDevicePath;
while (!EfiIsDevicePathEnd (TempDevicePath)) {
LastDeviceNode = TempDevicePath;
TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
while (!IsDevicePathEnd (TempDevicePath)) {
LastDeviceNode = TempDevicePath;
TempDevicePath = NextDevicePathNode (TempDevicePath);
}
GuidPoint = EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode);
if (GuidPoint == NULL) {
@ -1618,7 +1618,7 @@ UpdateFvFileDevicePath (
//
TempDevicePath = *DevicePath;
HasFvNode = FALSE;
while (!EfiIsDevicePathEnd (TempDevicePath)) {
while (!IsDevicePathEnd (TempDevicePath)) {
//
// Use old Device Path
//
@ -1627,7 +1627,7 @@ UpdateFvFileDevicePath (
HasFvNode = TRUE;
break;
}
TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
TempDevicePath = NextDevicePathNode (TempDevicePath);
}
if (!HasFvNode) {

1
MdeModulePkg/Library/ExtendedHiiLib/ExtendedHiiLib.c
View File

@ -21,6 +21,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <MdeModuleHii.h>

3
MdeModulePkg/Library/ExtendedHiiLib/ExtendedHiiLib.inf
View File

@ -42,7 +42,8 @@
DebugLib
PcdLib
UefiRuntimeServicesTableLib
DevicePathLib
[Protocols]
gEfiDevicePathProtocolGuid

18
MdeModulePkg/Library/GenericBdsLib/BdsBoot.c
View File

@ -523,7 +523,6 @@ MatchPartitionDevicePathNode (
)
{
HARDDRIVE_DEVICE_PATH *TmpHdPath;
HARDDRIVE_DEVICE_PATH *TempPath;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
BOOLEAN Match;
EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePathNode;
@ -559,20 +558,19 @@ MatchPartitionDevicePathNode (
// See if the harddrive device path in blockio matches the orig Hard Drive Node
//
TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePathNode;
TempPath = (HARDDRIVE_DEVICE_PATH *) BdsLibUnpackDevicePath ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
Match = FALSE;
//
// Check for the match
//
if ((TmpHdPath->MBRType == TempPath->MBRType) &&
(TmpHdPath->SignatureType == TempPath->SignatureType)) {
if ((TmpHdPath->MBRType == HardDriveDevicePath->MBRType) &&
(TmpHdPath->SignatureType == HardDriveDevicePath->SignatureType)) {
switch (TmpHdPath->SignatureType) {
case SIGNATURE_TYPE_GUID:
Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)TempPath->Signature);
Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)HardDriveDevicePath->Signature);
break;
case SIGNATURE_TYPE_MBR:
Match = (BOOLEAN)(*((UINT32 *)(&(TmpHdPath->Signature[0]))) == *(UINT32 *)(&(TempPath->Signature[0])));
Match = (BOOLEAN)(*((UINT32 *)(&(TmpHdPath->Signature[0]))) == ReadUnaligned32((UINT32 *)(&(HardDriveDevicePath->Signature[0]))));
break;
default:
Match = FALSE;
@ -1624,9 +1622,9 @@ BdsLibIsValidEFIBootOptDevicePath (
// If the boot option point to a file, it is a valid EFI boot option,
// and assume it is ready to boot now
//
while (!EfiIsDevicePathEnd (TempDevicePath)) {
while (!IsDevicePathEnd (TempDevicePath)) {
LastDeviceNode = TempDevicePath;
TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
TempDevicePath = NextDevicePathNode (TempDevicePath);
}
if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
(DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) {
@ -1765,9 +1763,9 @@ BdsLibUpdateFvFileDevicePath (
//
TempDevicePath = *DevicePath;
LastDeviceNode = TempDevicePath;
while (!EfiIsDevicePathEnd (TempDevicePath)) {
while (!IsDevicePathEnd (TempDevicePath)) {
LastDeviceNode = TempDevicePath;
TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
TempDevicePath = NextDevicePathNode (TempDevicePath);
}
GuidPoint = EfiGetNameGuidFromFwVolDevicePathNode (
(MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode

75
MdeModulePkg/Library/GenericBdsLib/DevicePath.c
View File

@ -112,75 +112,6 @@ CatPrint (
return Str->str;
}
/**
Function unpacks a device path data structure so that all the nodes
of a device path are naturally aligned.
@param DevPath A pointer to a device path data structure
@return A ponter to new device If the memory for the device path is successfully allocated, then a
pointer to the new device path is returned. Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
BdsLibUnpackDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
EFI_DEVICE_PATH_PROTOCOL *Src;
EFI_DEVICE_PATH_PROTOCOL *Dest;
EFI_DEVICE_PATH_PROTOCOL *NewPath;
UINTN Size;
//
// Walk device path and round sizes to valid boundries
//
Src = DevPath;
Size = 0;
for (;;) {
Size += DevicePathNodeLength (Src);
Size += ALIGN_SIZE (Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = NextDevicePathNode (Src);
}
//
// Allocate space for the unpacked path
//
NewPath = AllocateZeroPool (Size);
if (NewPath != NULL) {
ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
//
// Copy each node
//
Src = DevPath;
Dest = NewPath;
for (;;) {
Size = DevicePathNodeLength (Src);
CopyMem (Dest, Src, Size);
Size += ALIGN_SIZE (Size);
SetDevicePathNodeLength (Dest, Size);
Dest->Type |= EFI_DP_TYPE_UNPACKED;
Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = NextDevicePathNode (Src);
}
}
return NewPath;
}
/**
Convert Device Path to a Unicode string for printing.
@ -1545,12 +1476,6 @@ DevicePathToStr (
return ToText;
}
//
// Unpacked the device path
//
DevPath = BdsLibUnpackDevicePath (DevPath);
ASSERT (DevPath);
//
// Process each device path node
//

8
MdeModulePkg/Universal/BdsDxe/BootMaint/Variable.c
View File

@ -1257,7 +1257,7 @@ Var_UpdateBBSOption (
NewOptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (DescString) +
sizeof (BBS_BBS_DEVICE_PATH);
NewOptionSize += AsciiStrLen (DescAsciiString) +
EFI_END_DEVICE_PATH_LENGTH + sizeof (BBS_TABLE) + sizeof (UINT16);
END_DEVICE_PATH_LENGTH + sizeof (BBS_TABLE) + sizeof (UINT16);
UnicodeSPrint (VarName, 100, L"Boot%04x", Index);
@ -1300,7 +1300,7 @@ Var_UpdateBBSOption (
//
*((UINT16 *) TempPtr) = (UINT16) (sizeof (BBS_BBS_DEVICE_PATH) +
AsciiStrLen (DescAsciiString) +
EFI_END_DEVICE_PATH_LENGTH);
END_DEVICE_PATH_LENGTH);
TempPtr += sizeof (UINT16);
@ -1343,9 +1343,9 @@ Var_UpdateBBSOption (
CopyMem (
TempPtr,
EndDevicePath,
EFI_END_DEVICE_PATH_LENGTH
END_DEVICE_PATH_LENGTH
);
TempPtr += EFI_END_DEVICE_PATH_LENGTH;
TempPtr += END_DEVICE_PATH_LENGTH;
//
// Now TempPtr point to optional data, i.e. Bbs Table

6
MdeModulePkg/Universal/DebugPortDxe/DebugPort.c
View File

@ -73,11 +73,11 @@ GetDebugPortVariable (
DebugPortDevice->DebugPortVariable
);
DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) DebugPortDevice->DebugPortVariable;
while (!EfiIsDevicePathEnd (DevicePath) && !IS_UART_DEVICEPATH (DevicePath)) {
DevicePath = EfiNextDevicePathNode (DevicePath);
while (!IsDevicePathEnd (DevicePath) && !IS_UART_DEVICEPATH (DevicePath)) {
DevicePath = NextDevicePathNode (DevicePath);
}
if (EfiIsDevicePathEnd (DevicePath)) {
if (IsDevicePathEnd (DevicePath)) {
FreePool (gDebugPortDevice->DebugPortVariable);
DebugPortDevice->DebugPortVariable = NULL;
} else {

91
MdeModulePkg/Universal/DevicePathDxe/DevicePathToText.c
View File

@ -14,76 +14,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "DevicePath.h"
/**
Function unpacks a device path data structure so that all the nodes of a device path
are naturally aligned.
@param DevPath A pointer to a device path data structure
@return If the memory for the device path is successfully allocated, then a pointer to the
new device path is returned. Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
UnpackDevicePath (
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
CONST EFI_DEVICE_PATH_PROTOCOL *Src;
EFI_DEVICE_PATH_PROTOCOL *Dest;
EFI_DEVICE_PATH_PROTOCOL *NewPath;
UINTN Size;
if (DevPath == NULL) {
return NULL;
}
//
// Walk device path and round sizes to valid boundries
//
Src = DevPath;
Size = 0;
for (;;) {
Size += DevicePathNodeLength (Src);
Size += ALIGN_SIZE (Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = (EFI_DEVICE_PATH_PROTOCOL *) NextDevicePathNode (Src);
}
//
// Allocate space for the unpacked path
//
NewPath = AllocateZeroPool (Size);
if (NewPath != NULL) {
ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
//
// Copy each node
//
Src = DevPath;
Dest = NewPath;
for (;;) {
Size = DevicePathNodeLength (Src);
CopyMem (Dest, Src, Size);
Size += ALIGN_SIZE (Size);
SetDevicePathNodeLength (Dest, Size);
Dest->Type |= EFI_DP_TYPE_UNPACKED;
Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = (EFI_DEVICE_PATH_PROTOCOL *) NextDevicePathNode (Src);
}
}
return NewPath;
}
/**
Adjusts the size of a previously allocated buffer.
@ -1853,7 +1783,7 @@ ConvertDevicePathToText (
{
POOL_PRINT Str;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
EFI_DEVICE_PATH_PROTOCOL *UnpackDevPath;
EFI_DEVICE_PATH_PROTOCOL *AlignedDevPathNode;
UINTN Index;
UINTN NewSize;
VOID (*DumpNode) (POOL_PRINT *, VOID *, BOOLEAN, BOOLEAN);
@ -1864,16 +1794,10 @@ ConvertDevicePathToText (
ZeroMem (&Str, sizeof (Str));
//
// Unpacked the device path
//
UnpackDevPath = UnpackDevicePath ((EFI_DEVICE_PATH_PROTOCOL *) DevicePath);
ASSERT (UnpackDevPath != NULL);
//
// Process each device path node
//
DevPathNode = UnpackDevPath;
DevPathNode = (EFI_DEVICE_PATH_PROTOCOL *) DevicePath;
while (!IsDevicePathEnd (DevPathNode)) {
//
// Find the handler to dump this device path node
@ -1902,20 +1826,19 @@ ConvertDevicePathToText (
CatPrint (&Str, L"/");
}
}
AlignedDevPathNode = AllocateCopyPool (DevicePathNodeLength (DevPathNode), DevPathNode);
//
// Print this node of the device path
//
DumpNode (&Str, DevPathNode, DisplayOnly, AllowShortcuts);
DumpNode (&Str, AlignedDevPathNode, DisplayOnly, AllowShortcuts);
FreePool (AlignedDevPathNode);
//
// Next device path node
//
DevPathNode = NextDevicePathNode (DevPathNode);
}
//
// Shrink pool used for string allocation
//
FreePool (UnpackDevPath);
NewSize = (Str.Len + 1) * sizeof (CHAR16);
Str.Str = ReallocatePool (Str.Str, NewSize, NewSize);

4
MdeModulePkg/Universal/Disk/PartitionDxe/Mbr.c
View File

@ -163,9 +163,9 @@ PartitionInstallMbrChildHandles (
LastDevicePathNode = NULL;
ZeroMem (&ParentHdDev, sizeof (ParentHdDev));
DevicePathNode = DevicePath;
while (!EfiIsDevicePathEnd (DevicePathNode)) {
while (!IsDevicePathEnd (DevicePathNode)) {
LastDevicePathNode = DevicePathNode;
DevicePathNode = EfiNextDevicePathNode (DevicePathNode);
DevicePathNode = NextDevicePathNode (DevicePathNode);
}
if (LastDevicePathNode != NULL) {

1
MdeModulePkg/Universal/FirmwareVolume/FaultTolerantWriteDxe/FtwLite.h
View File

@ -31,6 +31,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <WorkingBlockHeader.h>

3
MdeModulePkg/Universal/FirmwareVolume/FaultTolerantWriteDxe/FtwLite.inf
View File

@ -63,7 +63,8 @@
UefiDriverEntryPoint
DebugLib
PcdLib
DevicePathLib
[Guids]
gEfiSystemNvDataFvGuid # ALWAYS_CONSUMED

2
MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.c
View File

@ -188,7 +188,7 @@ IScsiExtScsiPassThruBuildDevicePath (
Node->DevPath.Type = MESSAGING_DEVICE_PATH;
Node->DevPath.SubType = MSG_ISCSI_DP;
SetDevicePathNodeLength (&Node->DevPath, DevPathNodeLen);
SetDevicePathNodeLength (&Node->DevPath, (UINT16)DevPathNodeLen);
//
// 0 for TCP, others are reserved.

90
MdeModulePkg/Universal/PlatformDriverOverride/PlatOverMngr/PlatOverMngr.c
View File

@ -340,8 +340,8 @@ GetImageName (
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *DevPath;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
EFI_DEVICE_PATH_PROTOCOL *AlignedDevPathNode;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFilePath;
VOID *Buffer;
UINTN BufferSize;
@ -357,21 +357,24 @@ GetImageName (
return NULL;
}
DevPath = UnpackDevicePath (Image->FilePath);
DevPathNode = Image->FilePath;
if (DevPath == NULL) {
if (DevPathNode == NULL) {
return NULL;
}
DevPathNode = DevPath;
while (!IsDevicePathEnd (DevPathNode)) {
//
// Make sure device path node is aligned when accessing it's FV Name Guid field.
//
AlignedDevPathNode = AllocateCopyPool (DevicePathNodeLength(DevPathNode), DevPathNode);
//
// Find the Fv File path
//
NameGuid = EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)DevPathNode);
NameGuid = EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)AlignedDevPathNode);
if (NameGuid != NULL) {
FvFilePath = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) DevPathNode;
FvFilePath = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) AlignedDevPathNode;
Status = gBS->HandleProtocol (
Image->DeviceHandle,
&gEfiFirmwareVolume2ProtocolGuid,
@ -388,18 +391,21 @@ GetImageName (
&AuthenticationStatus
);
if (!EFI_ERROR (Status)) {
FreePool (AlignedDevPathNode);
break;
}
Buffer = NULL;
}
}
FreePool (AlignedDevPathNode);
//
// Next device path node
//
DevPathNode = NextDevicePathNode (DevPathNode);
}
gBS->FreePool (DevPath);
return Buffer;
}
@ -1316,74 +1322,6 @@ PlatOverMngrCallback (
return EFI_SUCCESS;
}
/**
Function unpacks a device path data structure so that all the nodes
of a device path are naturally aligned.
@param DevPath A pointer to a device path data structure
@return If the memory for the device path is successfully allocated, then a
@return pointer to the new device path is returned. Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
UnpackDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
EFI_DEVICE_PATH_PROTOCOL *Src;
EFI_DEVICE_PATH_PROTOCOL *Dest;
EFI_DEVICE_PATH_PROTOCOL *NewPath;
UINTN Size;
//
// Walk device path and round sizes to valid boundries
//
Src = DevPath;
Size = 0;
for (;;) {
Size += DevicePathNodeLength (Src);
Size += ALIGN_SIZE (Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = NextDevicePathNode (Src);
}
//
// Allocate space for the unpacked path
//
NewPath = AllocateZeroPool (Size);
if (NewPath) {
ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
//
// Copy each node
//
Src = DevPath;
Dest = NewPath;
for (;;) {
Size = DevicePathNodeLength (Src);
CopyMem (Dest, Src, Size);
Size += ALIGN_SIZE (Size);
SetDevicePathNodeLength (Dest, Size);
Dest->Type |= EFI_DP_TYPE_UNPACKED;
Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = NextDevicePathNode (Src);
}
}
return NewPath;
}
/**
Get the description string by device path.

7
MdeModulePkg/Universal/PlatformDriverOverride/PlatOverMngr/PlatOverMngr.h
View File

@ -49,6 +49,7 @@ Abstract:
#include <Library/HiiLib.h>
#include <Library/ExtendedHiiLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/DevicePathLib.h>
#define MIN_ALIGNMENT_SIZE 4
#define ALIGN_SIZE(a) ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)
@ -171,10 +172,4 @@ DevicePathToStr (
EFI_DEVICE_PATH_PROTOCOL *DevPath
);
EFI_DEVICE_PATH_PROTOCOL *
UnpackDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
);
#endif

3
MdeModulePkg/Universal/PlatformDriverOverride/PlatOverMngr/PlatOverMngr.inf
View File

@ -58,7 +58,8 @@
HiiLib
ExtendedHiiLib
UefiRuntimeServicesTableLib
DevicePathLib
[Protocols]
gEfiLoadedImageProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiPciIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED