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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2016 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
# Entry-type module for Intel Firmware Image Table
#
import struct
from binman.etype.blob import Entry_blob
class Entry_intel_fit(Entry_blob):
"""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):
Entry_blob.__init__(self, section, etype, node)
def ReadNode(self):
"""Force 16-byte alignment as required by FIT pointer"""
Entry_blob.ReadNode(self)
self.align = 16
def ObtainContents(self):
data = struct.pack('<8sIHBB', b'_FIT_ ', 1, 0x100, 0x80, 0x7d)
self.SetContents(data)
return True
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