1 files changed, 48 insertions, 0 deletions
diff --git a/tools/binman/btool/cst.py b/tools/binman/btool/cst.py
new file mode 100644
index 0000000..30e78bd
--- /dev/null
+++ b/tools/binman/btool/cst.py
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright 2024 Marek Vasut <marex@denx.de>
+#
+"""Bintool implementation for cst"""
+
+import re
+
+from binman import bintool
+
+class Bintoolcst(bintool.Bintool):
+    """Image generation for U-Boot
+
+    This bintool supports running `cst` with some basic parameters as
+    needed by binman.
+    """
+    def __init__(self, name):
+        super().__init__(name, 'Sign NXP i.MX image')
+
+    # pylint: disable=R0913
+    def run(self, output_fname=None):
+        """Run cst
+
+        Args:
+            output_fname: Output filename to write to
+        """
+        args = []
+        if output_fname:
+            args += ['-o', output_fname]
+        return self.run_cmd(*args)
+
+    def fetch(self, method):
+        """Fetch handler for cst
+
+        This installs cst using the apt utility.
+
+        Args:
+            method (FETCH_...): Method to use
+
+        Returns:
+            True if the file was fetched and now installed, None if a method
+            other than FETCH_BIN was requested
+
+        Raises:
+            Valuerror: Fetching could not be completed
+        """
+        if method != bintool.FETCH_BIN:
+            return None
+        return self.apt_install('imx-code-signing-tool')