diff options
Diffstat (limited to 'MdePkg/Library/BaseFdtLib/FdtLib.c')
| -rw-r--r-- | MdePkg/Library/BaseFdtLib/FdtLib.c | 93 |
1 files changed, 91 insertions, 2 deletions
diff --git a/MdePkg/Library/BaseFdtLib/FdtLib.c b/MdePkg/Library/BaseFdtLib/FdtLib.c index ebddf4a..40efe15 100644 --- a/MdePkg/Library/BaseFdtLib/FdtLib.c +++ b/MdePkg/Library/BaseFdtLib/FdtLib.c @@ -380,7 +380,7 @@ FdtParentOffset ( **/
INT32
EFIAPI
-FdtNodeOffsetByPropertyValue (
+FdtNodeOffsetByPropValue (
IN CONST VOID *Fdt,
IN INT32 StartOffset,
IN CONST CHAR8 *PropertyName,
@@ -454,6 +454,55 @@ FdtGetProperty ( }
/**
+ Returns a property with the given name from the given node.
+
+ @param[in] Fdt The pointer to FDT blob.
+ @param[in] NodeOffset The offset to the given node.
+ @param[in] Name The name to the property which need be searched
+ @param[in] Length The length to the size of the property found.
+
+ @return The property to the structure of the found property. Since the data
+ come from FDT blob, it's encoding with big-endian.
+
+**/
+FDT_PROPERTY *
+EFIAPI
+FdtGetPropertyW (
+ IN CONST VOID *Fdt,
+ IN INT32 NodeOffset,
+ IN CONST CHAR8 *Name,
+ IN INT32 *Length
+ )
+{
+ return (FDT_PROPERTY *)fdt_get_property (Fdt, NodeOffset, Name, Length);
+}
+
+/**
+ Returns the value of a given property.
+
+ @param[in] Fdt The pointer to FDT blob.
+ @param[in] NodeOffset The offset to the given node.
+ @param[in] Name The name to the property which need be searched
+ @param[in] Length The length to the size of the property found.
+
+ @return Pointer to the value of the property.
+ Since the data comes from the FDT blob, it's encoded as big-endian.
+ NULL on error, with error-code stored at Length (if non-NULL).
+
+**/
+CONST VOID *
+EFIAPI
+FdtGetProp (
+ IN CONST VOID *Fdt,
+ IN INT32 NodeOffset,
+ IN CONST CHAR8 *Name,
+ IN INT32 *Length
+ )
+{
+ return fdt_getprop (Fdt, NodeOffset, Name, Length);
+}
+
+/**
Returns a pointer to a node mapped to an alias matching a substring.
@param[in] Fdt The pointer to FDT blob.
@@ -577,6 +626,24 @@ FdtAddSubnode ( }
/**
+ Delete a node (subtree)
+
+ @param[in] Fdt The pointer to FDT blob.
+ @param[in] NodeOffset The offset to the node (subtree) to delete.
+
+ @return Zero for successfully, otherwise failed.
+
+ **/
+INT32
+FdtDelNode (
+ IN VOID *Fdt,
+ IN INT32 NodeOffset
+ )
+{
+ return fdt_del_node (Fdt, NodeOffset);
+}
+
+/**
Add or modify a property in the given node.
@param[in] Fdt The pointer to FDT blob.
@@ -590,7 +657,7 @@ FdtAddSubnode ( **/
INT32
EFIAPI
-FdtSetProperty (
+FdtSetProp (
IN VOID *Fdt,
IN INT32 NodeOffset,
IN CONST CHAR8 *Name,
@@ -736,6 +803,28 @@ FdtGetName ( }
/**
+ Determine the full path of a node.
+
+ @param[in] Fdt The pointer to FDT blob.
+ @param[in] NodeOffset Offset of node to check.
+ @param[in] Buffer The pointer to allocate a pool for FDT blob.
+ @param[in] BufferSize The BufferSize to the pool size.
+
+ @return 0 on success, or negative error code.
+**/
+INT32
+EFIAPI
+FdtGetPath (
+ IN VOID *Fdt,
+ IN INT32 NodeOffset,
+ IN VOID *Buffer,
+ IN UINT32 BufferSize
+ )
+{
+ return fdt_get_path (Fdt, NodeOffset, Buffer, BufferSize);
+}
+
+/**
FdtNodeDepth() finds the depth of a given node. The root node
has depth 0, its immediate subnodes depth 1 and so forth.
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