diff options
author | Simon Glass <sjg@chromium.org> | 2018-06-06 15:37:01 -0600 |
---|---|---|
committer | David Gibson <david@gibson.dropbear.id.au> | 2018-06-08 22:26:03 +1000 |
commit | 582a7159a5d0e1f4c96d5bdaab63defc69762c95 (patch) | |
tree | 2f6ac55e744b8e30629335d1d86a219d183cdb7c /pylibfdt | |
parent | f0f8c9169819e5505e63e247e40e9593625e01a4 (diff) | |
download | dtc-582a7159a5d0e1f4c96d5bdaab63defc69762c95.zip dtc-582a7159a5d0e1f4c96d5bdaab63defc69762c95.tar.gz dtc-582a7159a5d0e1f4c96d5bdaab63defc69762c95.tar.bz2 |
pylibfdt: Add support for fdt_next_node()
This function requires a bit of typemap effort to get the depth parameter
to work correctly. Add support for it, along with a test.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'pylibfdt')
-rw-r--r-- | pylibfdt/libfdt.i | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i index 2ad9d33..e8282a4 100644 --- a/pylibfdt/libfdt.i +++ b/pylibfdt/libfdt.i @@ -185,6 +185,25 @@ class Fdt: """ return bytearray(self._fdt) + def next_node(self, nodeoffset, depth, quiet=()): + """Find the next subnode + + Args: + nodeoffset: Node offset of previous node + depth: The depth of the node at nodeoffset. This is used to + calculate the depth of the returned node + quiet: Errors to ignore (empty to raise on all errors) + + Returns: + Typle: + Offset of the next node, if any, else a -ve error + Depth of the returned node, if any, else undefined + + Raises: + FdtException if no more nodes found or other error occurs + """ + return check_err(fdt_next_node(self._fdt, nodeoffset, depth), quiet) + def first_subnode(self, nodeoffset, quiet=()): """Find the first subnode of a parent node @@ -466,6 +485,7 @@ typedef int fdt32_t; fdt = fdt; /* avoid unused variable warning */ } +/* typemap used for fdt_get_property_by_offset() */ %typemap(out) (struct fdt_property *) { PyObject *buff; @@ -488,6 +508,19 @@ typedef int fdt32_t; $result = Py_BuildValue("s#", $1, *arg4); } +/* typemaps used for fdt_next_node() */ +%typemap(in, numinputs=1) int *depth (int depth) { + depth = (int) PyInt_AsLong($input); + $1 = &depth; +} + +%typemap(argout) int *depth { + PyObject *val = Py_BuildValue("i", *arg$argnum); + resultobj = SWIG_Python_AppendOutput(resultobj, val); +} + +%apply int *depth { int *depth }; + /* We have both struct fdt_property and a function fdt_property() */ %warnfilter(302) fdt_property; |