Reviewed-by: Gua Guo <gua....@intel.com>
-----Original Message-----
From: Wang, BruceX <brucex.w...@intel.com>
Sent: Monday, September 25, 2023 10:15 AM
To: devel@edk2.groups.io
Cc: Wang, BruceX <brucex.w...@intel.com>; Lin, Benny <benny....@intel.com>;
Guo, Gua <gua....@intel.com>; Chiu, Chasel <chasel.c...@intel.com>; Lu, James
<james...@intel.com>
Subject: [PATCH v5 1/2] MdePkg/BaseFdtLib: Add Fdt function.
From: "Brucex.Wang" <brucex.w...@intel.com>
Add FdtGetName() and FdtNodeDepth() function.
Cc: Benny Lin <benny....@intel.com>
Cc: Gua Guo <gua....@intel.com>
Cc: Chasel Chiu <chasel.c...@intel.com>
Cc: James Lu <james...@intel.com>
Signed-off-by: BruceX Wang <brucex.w...@intel.com>
---
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..d9300a18e3 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);+}--
2.39.1.windows.1
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