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https://github.com/acidanthera/audk.git
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MdePkg: add various additional functions to BaseFdtLib
- FdtOffsetPointer - FdtParentOffset - FdtNodeOffsetByPhandle - FdtStringListContains - FdtGetAliasNameLen - FdtPathOffsetNameLen - FdtPathOffset Signed-off-by: Leif Lindholm <quic_llindhol@quicinc.com>
This commit is contained in:
Leif Lindholm
mergify[bot]
parent
450a001c09
commit
9a1d54665c
@ -333,6 +333,23 @@ FdtCreateEmptyTree (
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IN UINT32 BufferSize
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);
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/**
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Returns a pointer to the node at a given offset.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Offset The offset to node.
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@param[in] Length Maximum length of node.
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@return pointer to node.
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**/
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CONST VOID *
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EFIAPI
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FdtOffsetPointer (
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IN CONST VOID *Fdt,
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IN INT32 Offset,
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IN UINT32 Length
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);
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/**
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Returns a offset of next node from the given node.
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@ -437,6 +454,21 @@ FdtGetReserveMapEntry (
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OUT UINT64 *Size
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);
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/**
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Find the parent of a given node.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] NodeOffset The offset to the node to find the parent for.
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@return Structure block offset, or negative return value.
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**/
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INT32
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EFIAPI
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FdtParentOffset (
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IN CONST VOID *Fdt,
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IN INT32 NodeOffset
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);
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/**
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Returns a offset of first node which includes the given property name and value.
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@ -459,6 +491,38 @@ FdtNodeOffsetByPropertyValue (
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IN INT32 PropertyLength
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);
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/**
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Returns a offset of first node which includes the given property name and value.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Phandle Phandle value to search for.
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@return The offset to node with matching Phandle value.
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**/
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INT32
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EFIAPI
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FdtNodeOffsetByPhandle (
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IN CONST VOID *Fdt,
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IN UINT32 Phandle
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);
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/**
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Look for a string in a stringlist
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@param[in] StringList Pointer to stringlist to search.
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@param[in] ListLength Length of StringList.
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@param[in] String Pointer to string to search for.
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@return 1 if found.
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**/
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INT32
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EFIAPI
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FdtStringListContains (
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IN CONST CHAR8 *StringList,
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IN INT32 ListLength,
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IN CONST CHAR8 *String
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);
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/**
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Returns a property with the given name from the given node.
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@ -480,6 +544,25 @@ FdtGetProperty (
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IN INT32 *Length
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);
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/**
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Returns a pointer to a node mapped to an alias matching a substring.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Name The alias name string.
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@param[in] Length The length to the size of the property found.
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@return A pointer to the expansion of the alias matching the substring,
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or NULL if alias not found.
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**/
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CONST CHAR8 *
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EFIAPI
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FdtGetAliasNameLen (
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IN CONST VOID *Fdt,
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IN CONST CHAR8 *Name,
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IN INT32 Length
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);
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/**
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Returns a offset of first property in the given node.
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@ -650,6 +733,38 @@ FdtDelProp (
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IN CONST CHAR8 *Name
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);
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/**
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Finds a tree node by substring
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Path Full path of the node to locate.
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@param[in] NameLength The length of the name to check only.
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@return structure block offset of the node with the requested path (>=0), on success
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**/
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INT32
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EFIAPI
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FdtPathOffsetNameLen (
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IN CONST VOID *Fdt,
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IN CONST CHAR8 *Path,
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IN INT32 NameLength
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);
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/**
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Finds a tree node by its full path.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Path Full path of the node to locate.
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@return structure block offset of the node with the requested path (>=0), on success
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**/
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INT32
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EFIAPI
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FdtPathOffset (
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IN CONST VOID *Fdt,
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IN CONST CHAR8 *Path
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);
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/**
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Returns the name of a given node.
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@ -185,6 +185,26 @@ FdtPack (
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return fdt_pack (Fdt);
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}
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/**
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Returns a pointer to the node at a given offset.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Offset The offset to node.
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@param[in] Length Maximum length of node.
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@return pointer to node.
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**/
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CONST VOID *
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EFIAPI
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FdtOffsetPointer (
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IN CONST VOID *Fdt,
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IN INT32 Offset,
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IN UINT32 Length
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)
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{
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return fdt_offset_ptr (Fdt, Offset, Length);
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}
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/**
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Returns a offset of next node from the given node.
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@ -307,6 +327,45 @@ FdtSubnodeOffsetNameLen (
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return fdt_subnode_offset_namelen (Fdt, ParentOffset, Name, NameLength);
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}
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/**
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Returns a offset of first node which matches the given name.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] ParentOffset The offset to the node which start find under.
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@param[in] Name The name to search the node with the name.
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@return The offset to node offset with given node name.
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**/
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INT32
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EFIAPI
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FdtSubnodeOffset (
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IN CONST VOID *Fdt,
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IN INT32 ParentOffset,
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IN CONST CHAR8 *Name
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)
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{
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return fdt_subnode_offset (Fdt, ParentOffset, Name);
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}
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/**
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Find the parent of a given node.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] NodeOffset The offset to the node to find the parent for.
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@return Structure block offset, or negative return value.
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**/
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INT32
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EFIAPI
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FdtParentOffset (
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IN CONST VOID *Fdt,
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IN INT32 NodeOffset
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)
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{
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return fdt_parent_offset (Fdt, NodeOffset);
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}
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/**
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Returns a offset of first node which includes the given property name and value.
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@ -332,6 +391,44 @@ FdtNodeOffsetByPropertyValue (
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return fdt_node_offset_by_prop_value (Fdt, StartOffset, PropertyName, PropertyValue, PropertyLength);
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}
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/**
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Returns a offset of first node which includes the given property name and value.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Phandle Phandle value to search for.
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@return The offset to node with matching Phandle value.
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**/
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INT32
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EFIAPI
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FdtNodeOffsetByPhandle (
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IN CONST VOID *Fdt,
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IN UINT32 Phandle
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)
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{
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return fdt_node_offset_by_phandle (Fdt, Phandle);
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}
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/**
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Look for a string in a stringlist
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@param[in] StringList Pointer to stringlist to search.
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@param[in] ListLength Length of StringList.
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@param[in] String Pointer to string to search for.
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@return 1 if found.
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**/
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INT32
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EFIAPI
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FdtStringListContains (
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IN CONST CHAR8 *StringList,
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IN INT32 ListLength,
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IN CONST CHAR8 *String
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)
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{
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return fdt_stringlist_contains (StringList, ListLength, String);
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}
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/**
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Returns a property with the given name from the given node.
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@ -356,6 +453,28 @@ FdtGetProperty (
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return (FDT_PROPERTY *)fdt_get_property (Fdt, NodeOffset, Name, Length);
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}
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/**
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Returns a pointer to a node mapped to an alias matching a substring.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Name The alias name string.
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@param[in] Length The length to the size of the property found.
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@return A pointer to the expansion of the alias matching the substring,
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or NULL if alias not found.
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**/
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CONST CHAR8 *
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EFIAPI
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FdtGetAliasNameLen (
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IN CONST VOID *Fdt,
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IN CONST CHAR8 *Name,
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IN INT32 Length
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)
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{
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return fdt_get_alias_namelen (Fdt, Name, Length);
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}
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/**
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Returns a offset of first property in the given node.
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@ -557,6 +676,44 @@ FdtDelProp (
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return fdt_delprop (Fdt, NodeOffset, Name);
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}
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/**
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Finds a tree node by substring
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Path Full path of the node to locate.
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@param[in] NameLength The length of the name to check only.
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@return structure block offset of the node with the requested path (>=0), on success
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**/
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INT32
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EFIAPI
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FdtPathOffsetNameLen (
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IN CONST VOID *Fdt,
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IN CONST CHAR8 *Path,
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IN INT32 NameLength
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)
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{
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return fdt_path_offset_namelen (Fdt, Path, NameLength);
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}
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/**
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Finds a tree node by its full path.
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@param[in] Fdt The pointer to FDT blob.
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@param[in] Path Full path of the node to locate.
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@return structure block offset of the node with the requested path (>=0), on success
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**/
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INT32
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EFIAPI
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FdtPathOffset (
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IN CONST VOID *Fdt,
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IN CONST CHAR8 *Path
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)
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{
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return fdt_path_offset (Fdt, Path);
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}
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/**
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Returns the name of a given node.
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