From: "Brucex.Wang" <[email protected]> Add FdtGetName() and FdtNodeDepth() function.
Cc: Benny Lin <[email protected]> Cc: Gua Guo <[email protected]> Cc: Chasel Chiu <[email protected]> Cc: James Lu <[email protected]> Signed-off-by: BruceX Wang <[email protected]> --- MdePkg/Include/Library/FdtLib.h | 34 +++++++++++++++++++++++++ MdePkg/Library/BaseFdtLib/FdtLib.c | 40 ++++++++++++++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/MdePkg/Include/Library/FdtLib.h b/MdePkg/Include/Library/FdtLib.h index cf5ceba9e9..2bd926b5b4 100644 --- a/MdePkg/Include/Library/FdtLib.h +++ b/MdePkg/Include/Library/FdtLib.h @@ -398,4 +398,38 @@ FdtSetProp ( IN UINT32 Length ); +/** + Returns the name of a given node. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffse Offset of node to check. + @param[in] Length The pointer to an integer variable (will be overwritten) or NULL. + + @return The pointer to the node's name. + +**/ +CONST CHAR8 * +EFIAPI +FdtGetName ( + IN VOID *Fdt, + IN INT32 NodeOffset, + IN UINT32 *Length + ); + +/** + FdtNodeDepth() finds the depth of a given node. The root node + has depth 0, its immediate subnodes depth 1 and so forth. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffset Offset of node to check. + + @return Depth of the node at NodeOffset. + **/ +INT32 +EFIAPI +FdtNodeDepth ( + IN CONST VOID *Fdt, + IN INT32 NodeOffset + ); + #endif /* FDT_LIB_H_ */ diff --git a/MdePkg/Library/BaseFdtLib/FdtLib.c b/MdePkg/Library/BaseFdtLib/FdtLib.c index 090b0b3fd4..1ef99ea882 100644 --- a/MdePkg/Library/BaseFdtLib/FdtLib.c +++ b/MdePkg/Library/BaseFdtLib/FdtLib.c @@ -402,3 +402,43 @@ FdtSetProp ( { return fdt_setprop (Fdt, NodeOffset, Name, Value, (int)Length); } + +/** + Returns the name of a given node. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffset Offset of node to check. + @param[in] Length The pointer to an integer variable (will be overwritten) or NULL. + + @return The pointer to the node's name. + +**/ +CONST CHAR8 * +EFIAPI +FdtGetName ( + IN VOID *Fdt, + IN INT32 NodeOffset, + IN UINT32 *Length + ) +{ + return fdt_get_name (Fdt, NodeOffset, (int *)Length); +} + +/** + FdtNodeDepth() finds the depth of a given node. The root node + has depth 0, its immediate subnodes depth 1 and so forth. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffset Offset of node to check. + + @returns Depth of the node at NodeOffset. +**/ +INT32 +EFIAPI +FdtNodeDepth ( + IN CONST VOID *Fdt, + IN INT32 NodeOffset + ) +{ + return fdt_node_depth (Fdt, NodeOffset); +} -- 2.39.2.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#108754): https://edk2.groups.io/g/devel/message/108754 Mute This Topic: https://groups.io/mt/101398211/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
