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Add a workaround to judge the end-of-device path type: 

We used to have type EFI_END_ENTIRE_DEVICE_PATH (0xff) to tag the end of entire device path.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6562 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2008-11-17 12:46:35 +00:00
parent d5954c618f
commit 8dd2a792d6
1 changed files with 3 additions and 3 deletions
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6
MdePkg/Include/Library/DevicePathLib.h
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@ -20,9 +20,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define END_DEVICE_PATH_LENGTH (sizeof (EFI_DEVICE_PATH_PROTOCOL))
#define DevicePathNodeLength(Node) ReadUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0])
#define NextDevicePathNode(Node) ((EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)(Node) + DevicePathNodeLength(Node)))
#define DevicePathType(Node) (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Type)
#define DevicePathType(Node) (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Type)
#define DevicePathSubType(Node) (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->SubType)
#define IsDevicePathEndType(Node) (DevicePathType (Node) == END_DEVICE_PATH_TYPE)
#define IsDevicePathEndType(Node) ((DevicePathType (Node) & 0x7f) == END_DEVICE_PATH_TYPE)
#define IsDevicePathEnd(Node) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_ENTIRE_DEVICE_PATH_SUBTYPE)
#define IsDevicePathEndInstance(Node) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_INSTANCE_DEVICE_PATH_SUBTYPE)
@ -30,7 +30,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define SetDevicePathEndNode(Node) { \
DevicePathType (Node) = END_DEVICE_PATH_TYPE; \
DevicePathSubType (Node) = END_ENTIRE_DEVICE_PATH_SUBTYPE; \
SetDevicePathNodeLength ((Node), END_DEVICE_PATH_LENGTH); \
SetDevicePathNodeLength ((Node), END_DEVICE_PATH_LENGTH); \
}
/**