# SPDX-License-Identifier: GPL-2.0+ # Copyright (c) 2016 Google, Inc # Written by Simon Glass # # Entry-type module for Intel Firmware Image Table # import struct from binman.etype.blob_ext import Entry_blob_ext class Entry_intel_fit(Entry_blob_ext): """Intel Firmware Image Table (FIT) This entry contains a dummy FIT as required by recent Intel CPUs. The FIT contains information about the firmware and microcode available in the image. At present binman only supports a basic FIT with no microcode. """ def __init__(self, section, etype, node): super().__init__(section, etype, node) def ReadNode(self): """Force 16-byte alignment as required by FIT pointer""" super().ReadNode() self.align = 16 def ObtainContents(self): data = struct.pack('<8sIHBB', b'_FIT_ ', 1, 0x100, 0x80, 0x7d) self.SetContents(data) return True