1, Move device path utility macros from protocol's header file to DevicePathLib library classes
2, Remove Unpack type git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6455 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -15,6 +15,24 @@
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#ifndef __DEVICE_PATH_LIB_H__
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#define __DEVICE_PATH_LIB_H__
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#include <Library/BaseLib.h>
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#define END_DEVICE_PATH_LENGTH (sizeof (EFI_DEVICE_PATH_PROTOCOL))
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#define DevicePathNodeLength(Node) ReadUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0])
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#define NextDevicePathNode(Node) ((EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)(Node) + DevicePathNodeLength(Node)))
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#define DevicePathType(Node) (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Type)
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#define DevicePathSubType(Node) (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->SubType)
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#define IsDevicePathEndType(Node) (DevicePathType (Node) == END_DEVICE_PATH_TYPE)
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#define IsDevicePathEnd(Node) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_ENTIRE_DEVICE_PATH_SUBTYPE)
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#define IsDevicePathEndInstance(Node) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_INSTANCE_DEVICE_PATH_SUBTYPE)
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#define SetDevicePathNodeLength(Node,NodeLength) WriteUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0], (UINT16)(NodeLength))
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#define SetDevicePathEndNode(Node) { \
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DevicePathType (Node) = END_DEVICE_PATH_TYPE; \
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DevicePathSubType (Node) = END_ENTIRE_DEVICE_PATH_SUBTYPE; \
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SetDevicePathNodeLength ((Node), END_DEVICE_PATH_LENGTH); \
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}
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/**
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Returns the size of a device path in bytes.
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