823 lines
32 KiB
Python
823 lines
32 KiB
Python
#
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# Copyright (c) 2016 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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# To run a single test, change to this directory, and:
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#
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# python -m unittest func_test.TestFunctional.testHelp
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from optparse import OptionParser
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import os
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import shutil
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import struct
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import sys
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import tempfile
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import unittest
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import binman
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import cmdline
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import command
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import control
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import entry
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import fdt_select
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import fdt_util
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import tools
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import tout
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# Contents of test files, corresponding to different entry types
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U_BOOT_DATA = '1234'
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U_BOOT_IMG_DATA = 'img'
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U_BOOT_SPL_DATA = '567'
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BLOB_DATA = '89'
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ME_DATA = '0abcd'
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VGA_DATA = 'vga'
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U_BOOT_DTB_DATA = 'udtb'
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X86_START16_DATA = 'start16'
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U_BOOT_NODTB_DATA = 'nodtb with microcode pointer somewhere in here'
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FSP_DATA = 'fsp'
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CMC_DATA = 'cmc'
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class TestFunctional(unittest.TestCase):
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"""Functional tests for binman
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Most of these use a sample .dts file to build an image and then check
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that it looks correct. The sample files are in the test/ subdirectory
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and are numbered.
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For each entry type a very small test file is created using fixed
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string contents. This makes it easy to test that things look right, and
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debug problems.
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In some cases a 'real' file must be used - these are also supplied in
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the test/ diurectory.
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"""
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@classmethod
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def setUpClass(self):
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# Handle the case where argv[0] is 'python'
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self._binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
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self._binman_pathname = os.path.join(self._binman_dir, 'binman')
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# Create a temporary directory for input files
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self._indir = tempfile.mkdtemp(prefix='binmant.')
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# Create some test files
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TestFunctional._MakeInputFile('u-boot.bin', U_BOOT_DATA)
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TestFunctional._MakeInputFile('u-boot.img', U_BOOT_IMG_DATA)
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TestFunctional._MakeInputFile('spl/u-boot-spl.bin', U_BOOT_SPL_DATA)
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TestFunctional._MakeInputFile('blobfile', BLOB_DATA)
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TestFunctional._MakeInputFile('me.bin', ME_DATA)
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TestFunctional._MakeInputFile('vga.bin', VGA_DATA)
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TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA)
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TestFunctional._MakeInputFile('u-boot-x86-16bit.bin', X86_START16_DATA)
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TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA)
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TestFunctional._MakeInputFile('fsp.bin', FSP_DATA)
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TestFunctional._MakeInputFile('cmc.bin', CMC_DATA)
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self._output_setup = False
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# ELF file with a '_dt_ucode_base_size' symbol
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with open(self.TestFile('u_boot_ucode_ptr')) as fd:
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TestFunctional._MakeInputFile('u-boot', fd.read())
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# Intel flash descriptor file
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with open(self.TestFile('descriptor.bin')) as fd:
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TestFunctional._MakeInputFile('descriptor.bin', fd.read())
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@classmethod
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def tearDownClass(self):
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"""Remove the temporary input directory and its contents"""
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if self._indir:
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shutil.rmtree(self._indir)
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self._indir = None
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def setUp(self):
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# Enable this to turn on debugging output
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# tout.Init(tout.DEBUG)
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command.test_result = None
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def tearDown(self):
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"""Remove the temporary output directory"""
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tools._FinaliseForTest()
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def _RunBinman(self, *args, **kwargs):
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"""Run binman using the command line
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Args:
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Arguments to pass, as a list of strings
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kwargs: Arguments to pass to Command.RunPipe()
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"""
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result = command.RunPipe([[self._binman_pathname] + list(args)],
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capture=True, capture_stderr=True, raise_on_error=False)
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if result.return_code and kwargs.get('raise_on_error', True):
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raise Exception("Error running '%s': %s" % (' '.join(args),
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result.stdout + result.stderr))
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return result
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def _DoBinman(self, *args):
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"""Run binman using directly (in the same process)
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Args:
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Arguments to pass, as a list of strings
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Returns:
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Return value (0 for success)
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"""
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(options, args) = cmdline.ParseArgs(list(args))
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options.pager = 'binman-invalid-pager'
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options.build_dir = self._indir
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# For testing, you can force an increase in verbosity here
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# options.verbosity = tout.DEBUG
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return control.Binman(options, args)
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def _DoTestFile(self, fname):
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"""Run binman with a given test file
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Args:
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fname: Device tree source filename to use (e.g. 05_simple.dts)
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"""
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return self._DoBinman('-p', '-I', self._indir,
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'-d', self.TestFile(fname))
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def _SetupDtb(self, fname, outfile='u-boot.dtb'):
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"""Set up a new test device-tree file
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The given file is compiled and set up as the device tree to be used
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for ths test.
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Args:
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fname: Filename of .dts file to read
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outfile: Output filename for compiled device tree binary
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Returns:
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Contents of device tree binary
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"""
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if not self._output_setup:
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tools.PrepareOutputDir(self._indir, True)
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self._output_setup = True
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dtb = fdt_util.EnsureCompiled(self.TestFile(fname))
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with open(dtb) as fd:
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data = fd.read()
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TestFunctional._MakeInputFile(outfile, data)
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return data
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def _DoReadFileDtb(self, fname, use_real_dtb=False):
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"""Run binman and return the resulting image
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This runs binman with a given test file and then reads the resulting
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output file. It is a shortcut function since most tests need to do
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these steps.
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Raises an assertion failure if binman returns a non-zero exit code.
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Args:
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fname: Device tree source filename to use (e.g. 05_simple.dts)
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use_real_dtb: True to use the test file as the contents of
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the u-boot-dtb entry. Normally this is not needed and the
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test contents (the U_BOOT_DTB_DATA string) can be used.
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But in some test we need the real contents.
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Returns:
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Tuple:
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Resulting image contents
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Device tree contents
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"""
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dtb_data = None
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# Use the compiled test file as the u-boot-dtb input
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if use_real_dtb:
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dtb_data = self._SetupDtb(fname)
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try:
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retcode = self._DoTestFile(fname)
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self.assertEqual(0, retcode)
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# Find the (only) image, read it and return its contents
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image = control.images['image']
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fname = tools.GetOutputFilename('image.bin')
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self.assertTrue(os.path.exists(fname))
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with open(fname) as fd:
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return fd.read(), dtb_data
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finally:
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# Put the test file back
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if use_real_dtb:
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TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA)
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def _DoReadFile(self, fname, use_real_dtb=False):
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"""Helper function which discards the device-tree binary"""
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return self._DoReadFileDtb(fname, use_real_dtb)[0]
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@classmethod
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def _MakeInputFile(self, fname, contents):
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"""Create a new test input file, creating directories as needed
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Args:
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fname: Filenaem to create
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contents: File contents to write in to the file
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Returns:
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Full pathname of file created
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"""
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pathname = os.path.join(self._indir, fname)
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dirname = os.path.dirname(pathname)
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if dirname and not os.path.exists(dirname):
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os.makedirs(dirname)
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with open(pathname, 'wb') as fd:
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fd.write(contents)
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return pathname
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@classmethod
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def TestFile(self, fname):
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return os.path.join(self._binman_dir, 'test', fname)
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def AssertInList(self, grep_list, target):
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"""Assert that at least one of a list of things is in a target
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Args:
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grep_list: List of strings to check
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target: Target string
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"""
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for grep in grep_list:
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if grep in target:
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return
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self.fail("Error: '%' not found in '%s'" % (grep_list, target))
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def CheckNoGaps(self, entries):
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"""Check that all entries fit together without gaps
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Args:
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entries: List of entries to check
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"""
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pos = 0
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for entry in entries.values():
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self.assertEqual(pos, entry.pos)
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pos += entry.size
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def GetFdtLen(self, dtb):
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"""Get the totalsize field from a device tree binary
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Args:
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dtb: Device tree binary contents
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Returns:
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Total size of device tree binary, from the header
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"""
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return struct.unpack('>L', dtb[4:8])[0]
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def testRun(self):
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"""Test a basic run with valid args"""
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result = self._RunBinman('-h')
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def testFullHelp(self):
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"""Test that the full help is displayed with -H"""
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result = self._RunBinman('-H')
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help_file = os.path.join(self._binman_dir, 'README')
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self.assertEqual(len(result.stdout), os.path.getsize(help_file))
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self.assertEqual(0, len(result.stderr))
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self.assertEqual(0, result.return_code)
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def testFullHelpInternal(self):
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"""Test that the full help is displayed with -H"""
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try:
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command.test_result = command.CommandResult()
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result = self._DoBinman('-H')
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help_file = os.path.join(self._binman_dir, 'README')
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finally:
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command.test_result = None
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def testHelp(self):
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"""Test that the basic help is displayed with -h"""
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result = self._RunBinman('-h')
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self.assertTrue(len(result.stdout) > 200)
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self.assertEqual(0, len(result.stderr))
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self.assertEqual(0, result.return_code)
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# Not yet available.
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def testBoard(self):
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"""Test that we can run it with a specific board"""
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self._SetupDtb('05_simple.dts', 'sandbox/u-boot.dtb')
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TestFunctional._MakeInputFile('sandbox/u-boot.bin', U_BOOT_DATA)
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result = self._DoBinman('-b', 'sandbox')
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self.assertEqual(0, result)
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def testNeedBoard(self):
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"""Test that we get an error when no board ius supplied"""
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with self.assertRaises(ValueError) as e:
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result = self._DoBinman()
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self.assertIn("Must provide a board to process (use -b <board>)",
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str(e.exception))
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def testMissingDt(self):
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"""Test that an invalid device tree file generates an error"""
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with self.assertRaises(Exception) as e:
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self._RunBinman('-d', 'missing_file')
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# We get one error from libfdt, and a different one from fdtget.
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self.AssertInList(["Couldn't open blob from 'missing_file'",
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'No such file or directory'], str(e.exception))
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def testBrokenDt(self):
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"""Test that an invalid device tree source file generates an error
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Since this is a source file it should be compiled and the error
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will come from the device-tree compiler (dtc).
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"""
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with self.assertRaises(Exception) as e:
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self._RunBinman('-d', self.TestFile('01_invalid.dts'))
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self.assertIn("FATAL ERROR: Unable to parse input tree",
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str(e.exception))
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def testMissingNode(self):
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"""Test that a device tree without a 'binman' node generates an error"""
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with self.assertRaises(Exception) as e:
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self._DoBinman('-d', self.TestFile('02_missing_node.dts'))
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self.assertIn("does not have a 'binman' node", str(e.exception))
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def testEmpty(self):
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"""Test that an empty binman node works OK (i.e. does nothing)"""
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result = self._RunBinman('-d', self.TestFile('03_empty.dts'))
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self.assertEqual(0, len(result.stderr))
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self.assertEqual(0, result.return_code)
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def testInvalidEntry(self):
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"""Test that an invalid entry is flagged"""
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with self.assertRaises(Exception) as e:
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result = self._RunBinman('-d',
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self.TestFile('04_invalid_entry.dts'))
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#print e.exception
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self.assertIn("Unknown entry type 'not-a-valid-type' in node "
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"'/binman/not-a-valid-type'", str(e.exception))
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def testSimple(self):
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"""Test a simple binman with a single file"""
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data = self._DoReadFile('05_simple.dts')
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self.assertEqual(U_BOOT_DATA, data)
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def testDual(self):
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"""Test that we can handle creating two images
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This also tests image padding.
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"""
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retcode = self._DoTestFile('06_dual_image.dts')
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self.assertEqual(0, retcode)
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image = control.images['image1']
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self.assertEqual(len(U_BOOT_DATA), image._size)
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fname = tools.GetOutputFilename('image1.bin')
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self.assertTrue(os.path.exists(fname))
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with open(fname) as fd:
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data = fd.read()
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self.assertEqual(U_BOOT_DATA, data)
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image = control.images['image2']
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self.assertEqual(3 + len(U_BOOT_DATA) + 5, image._size)
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fname = tools.GetOutputFilename('image2.bin')
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self.assertTrue(os.path.exists(fname))
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with open(fname) as fd:
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data = fd.read()
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self.assertEqual(U_BOOT_DATA, data[3:7])
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self.assertEqual(chr(0) * 3, data[:3])
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self.assertEqual(chr(0) * 5, data[7:])
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def testBadAlign(self):
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"""Test that an invalid alignment value is detected"""
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with self.assertRaises(ValueError) as e:
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self._DoTestFile('07_bad_align.dts')
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self.assertIn("Node '/binman/u-boot': Alignment 23 must be a power "
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"of two", str(e.exception))
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def testPackSimple(self):
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"""Test that packing works as expected"""
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retcode = self._DoTestFile('08_pack.dts')
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self.assertEqual(0, retcode)
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self.assertIn('image', control.images)
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image = control.images['image']
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entries = image._entries
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self.assertEqual(5, len(entries))
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# First u-boot
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self.assertIn('u-boot', entries)
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entry = entries['u-boot']
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self.assertEqual(0, entry.pos)
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self.assertEqual(len(U_BOOT_DATA), entry.size)
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# Second u-boot, aligned to 16-byte boundary
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self.assertIn('u-boot-align', entries)
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entry = entries['u-boot-align']
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self.assertEqual(16, entry.pos)
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self.assertEqual(len(U_BOOT_DATA), entry.size)
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# Third u-boot, size 23 bytes
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self.assertIn('u-boot-size', entries)
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entry = entries['u-boot-size']
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self.assertEqual(20, entry.pos)
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self.assertEqual(len(U_BOOT_DATA), entry.contents_size)
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self.assertEqual(23, entry.size)
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# Fourth u-boot, placed immediate after the above
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self.assertIn('u-boot-next', entries)
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entry = entries['u-boot-next']
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self.assertEqual(43, entry.pos)
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self.assertEqual(len(U_BOOT_DATA), entry.size)
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# Fifth u-boot, placed at a fixed position
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self.assertIn('u-boot-fixed', entries)
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entry = entries['u-boot-fixed']
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self.assertEqual(61, entry.pos)
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self.assertEqual(len(U_BOOT_DATA), entry.size)
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self.assertEqual(65, image._size)
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def testPackExtra(self):
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"""Test that extra packing feature works as expected"""
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retcode = self._DoTestFile('09_pack_extra.dts')
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self.assertEqual(0, retcode)
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self.assertIn('image', control.images)
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image = control.images['image']
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entries = image._entries
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self.assertEqual(5, len(entries))
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# First u-boot with padding before and after
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self.assertIn('u-boot', entries)
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entry = entries['u-boot']
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self.assertEqual(0, entry.pos)
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self.assertEqual(3, entry.pad_before)
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self.assertEqual(3 + 5 + len(U_BOOT_DATA), entry.size)
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# Second u-boot has an aligned size, but it has no effect
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self.assertIn('u-boot-align-size-nop', entries)
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entry = entries['u-boot-align-size-nop']
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self.assertEqual(12, entry.pos)
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self.assertEqual(4, entry.size)
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# Third u-boot has an aligned size too
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self.assertIn('u-boot-align-size', entries)
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entry = entries['u-boot-align-size']
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self.assertEqual(16, entry.pos)
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self.assertEqual(32, entry.size)
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# Fourth u-boot has an aligned end
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self.assertIn('u-boot-align-end', entries)
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entry = entries['u-boot-align-end']
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self.assertEqual(48, entry.pos)
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self.assertEqual(16, entry.size)
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# Fifth u-boot immediately afterwards
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self.assertIn('u-boot-align-both', entries)
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entry = entries['u-boot-align-both']
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self.assertEqual(64, entry.pos)
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self.assertEqual(64, entry.size)
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self.CheckNoGaps(entries)
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self.assertEqual(128, image._size)
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def testPackAlignPowerOf2(self):
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"""Test that invalid entry alignment is detected"""
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with self.assertRaises(ValueError) as e:
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self._DoTestFile('10_pack_align_power2.dts')
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self.assertIn("Node '/binman/u-boot': Alignment 5 must be a power "
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"of two", str(e.exception))
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def testPackAlignSizePowerOf2(self):
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"""Test that invalid entry size alignment is detected"""
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with self.assertRaises(ValueError) as e:
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self._DoTestFile('11_pack_align_size_power2.dts')
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self.assertIn("Node '/binman/u-boot': Alignment size 55 must be a "
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"power of two", str(e.exception))
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def testPackInvalidAlign(self):
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"""Test detection of an position that does not match its alignment"""
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with self.assertRaises(ValueError) as e:
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|
self._DoTestFile('12_pack_inv_align.dts')
|
|
self.assertIn("Node '/binman/u-boot': Position 0x5 (5) does not match "
|
|
"align 0x4 (4)", str(e.exception))
|
|
|
|
def testPackInvalidSizeAlign(self):
|
|
"""Test that invalid entry size alignment is detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('13_pack_inv_size_align.dts')
|
|
self.assertIn("Node '/binman/u-boot': Size 0x5 (5) does not match "
|
|
"align-size 0x4 (4)", str(e.exception))
|
|
|
|
def testPackOverlap(self):
|
|
"""Test that overlapping regions are detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('14_pack_overlap.dts')
|
|
self.assertIn("Node '/binman/u-boot-align': Position 0x3 (3) overlaps "
|
|
"with previous entry '/binman/u-boot' ending at 0x4 (4)",
|
|
str(e.exception))
|
|
|
|
def testPackEntryOverflow(self):
|
|
"""Test that entries that overflow their size are detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('15_pack_overflow.dts')
|
|
self.assertIn("Node '/binman/u-boot': Entry contents size is 0x4 (4) "
|
|
"but entry size is 0x3 (3)", str(e.exception))
|
|
|
|
def testPackImageOverflow(self):
|
|
"""Test that entries which overflow the image size are detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('16_pack_image_overflow.dts')
|
|
self.assertIn("Image '/binman': contents size 0x4 (4) exceeds image "
|
|
"size 0x3 (3)", str(e.exception))
|
|
|
|
def testPackImageSize(self):
|
|
"""Test that the image size can be set"""
|
|
retcode = self._DoTestFile('17_pack_image_size.dts')
|
|
self.assertEqual(0, retcode)
|
|
self.assertIn('image', control.images)
|
|
image = control.images['image']
|
|
self.assertEqual(7, image._size)
|
|
|
|
def testPackImageSizeAlign(self):
|
|
"""Test that image size alignemnt works as expected"""
|
|
retcode = self._DoTestFile('18_pack_image_align.dts')
|
|
self.assertEqual(0, retcode)
|
|
self.assertIn('image', control.images)
|
|
image = control.images['image']
|
|
self.assertEqual(16, image._size)
|
|
|
|
def testPackInvalidImageAlign(self):
|
|
"""Test that invalid image alignment is detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('19_pack_inv_image_align.dts')
|
|
self.assertIn("Image '/binman': Size 0x7 (7) does not match "
|
|
"align-size 0x8 (8)", str(e.exception))
|
|
|
|
def testPackAlignPowerOf2(self):
|
|
"""Test that invalid image alignment is detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('20_pack_inv_image_align_power2.dts')
|
|
self.assertIn("Image '/binman': Alignment size 131 must be a power of "
|
|
"two", str(e.exception))
|
|
|
|
def testImagePadByte(self):
|
|
"""Test that the image pad byte can be specified"""
|
|
data = self._DoReadFile('21_image_pad.dts')
|
|
self.assertEqual(U_BOOT_SPL_DATA + (chr(0xff) * 9) + U_BOOT_DATA, data)
|
|
|
|
def testImageName(self):
|
|
"""Test that image files can be named"""
|
|
retcode = self._DoTestFile('22_image_name.dts')
|
|
self.assertEqual(0, retcode)
|
|
image = control.images['image1']
|
|
fname = tools.GetOutputFilename('test-name')
|
|
self.assertTrue(os.path.exists(fname))
|
|
|
|
image = control.images['image2']
|
|
fname = tools.GetOutputFilename('test-name.xx')
|
|
self.assertTrue(os.path.exists(fname))
|
|
|
|
def testBlobFilename(self):
|
|
"""Test that generic blobs can be provided by filename"""
|
|
data = self._DoReadFile('23_blob.dts')
|
|
self.assertEqual(BLOB_DATA, data)
|
|
|
|
def testPackSorted(self):
|
|
"""Test that entries can be sorted"""
|
|
data = self._DoReadFile('24_sorted.dts')
|
|
self.assertEqual(chr(0) * 5 + U_BOOT_SPL_DATA + chr(0) * 2 +
|
|
U_BOOT_DATA, data)
|
|
|
|
def testPackZeroPosition(self):
|
|
"""Test that an entry at position 0 is not given a new position"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('25_pack_zero_size.dts')
|
|
self.assertIn("Node '/binman/u-boot-spl': Position 0x0 (0) overlaps "
|
|
"with previous entry '/binman/u-boot' ending at 0x4 (4)",
|
|
str(e.exception))
|
|
|
|
def testPackUbootDtb(self):
|
|
"""Test that a device tree can be added to U-Boot"""
|
|
data = self._DoReadFile('26_pack_u_boot_dtb.dts')
|
|
self.assertEqual(U_BOOT_NODTB_DATA + U_BOOT_DTB_DATA, data)
|
|
|
|
def testPackX86RomNoSize(self):
|
|
"""Test that the end-at-4gb property requires a size property"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('27_pack_4gb_no_size.dts')
|
|
self.assertIn("Image '/binman': Image size must be provided when "
|
|
"using end-at-4gb", str(e.exception))
|
|
|
|
def testPackX86RomOutside(self):
|
|
"""Test that the end-at-4gb property checks for position boundaries"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('28_pack_4gb_outside.dts')
|
|
self.assertIn("Node '/binman/u-boot': Position 0x0 (0) is outside "
|
|
"the image starting at 0xfffffff0 (4294967280)",
|
|
str(e.exception))
|
|
|
|
def testPackX86Rom(self):
|
|
"""Test that a basic x86 ROM can be created"""
|
|
data = self._DoReadFile('29_x86-rom.dts')
|
|
self.assertEqual(U_BOOT_DATA + chr(0) * 3 + U_BOOT_SPL_DATA +
|
|
chr(0) * 6, data)
|
|
|
|
def testPackX86RomMeNoDesc(self):
|
|
"""Test that an invalid Intel descriptor entry is detected"""
|
|
TestFunctional._MakeInputFile('descriptor.bin', '')
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('31_x86-rom-me.dts')
|
|
self.assertIn("Node '/binman/intel-descriptor': Cannot find FD "
|
|
"signature", str(e.exception))
|
|
|
|
def testPackX86RomBadDesc(self):
|
|
"""Test that the Intel requires a descriptor entry"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoTestFile('30_x86-rom-me-no-desc.dts')
|
|
self.assertIn("Node '/binman/intel-me': No position set with "
|
|
"pos-unset: should another entry provide this correct "
|
|
"position?", str(e.exception))
|
|
|
|
def testPackX86RomMe(self):
|
|
"""Test that an x86 ROM with an ME region can be created"""
|
|
data = self._DoReadFile('31_x86-rom-me.dts')
|
|
self.assertEqual(ME_DATA, data[0x1000:0x1000 + len(ME_DATA)])
|
|
|
|
def testPackVga(self):
|
|
"""Test that an image with a VGA binary can be created"""
|
|
data = self._DoReadFile('32_intel-vga.dts')
|
|
self.assertEqual(VGA_DATA, data[:len(VGA_DATA)])
|
|
|
|
def testPackStart16(self):
|
|
"""Test that an image with an x86 start16 region can be created"""
|
|
data = self._DoReadFile('33_x86-start16.dts')
|
|
self.assertEqual(X86_START16_DATA, data[:len(X86_START16_DATA)])
|
|
|
|
def testPackUbootMicrocode(self):
|
|
"""Test that x86 microcode can be handled correctly
|
|
|
|
We expect to see the following in the image, in order:
|
|
u-boot-nodtb.bin with a microcode pointer inserted at the correct
|
|
place
|
|
u-boot.dtb with the microcode removed
|
|
the microcode
|
|
"""
|
|
data = self._DoReadFile('34_x86_ucode.dts', True)
|
|
|
|
# Now check the device tree has no microcode
|
|
second = data[len(U_BOOT_NODTB_DATA):]
|
|
fname = tools.GetOutputFilename('test.dtb')
|
|
with open(fname, 'wb') as fd:
|
|
fd.write(second)
|
|
fdt = fdt_select.FdtScan(fname)
|
|
ucode = fdt.GetNode('/microcode')
|
|
self.assertTrue(ucode)
|
|
for node in ucode.subnodes:
|
|
self.assertFalse(node.props.get('data'))
|
|
|
|
fdt_len = self.GetFdtLen(second)
|
|
third = second[fdt_len:]
|
|
|
|
# Check that the microcode appears immediately after the Fdt
|
|
# This matches the concatenation of the data properties in
|
|
# the /microcode/update@xxx nodes in x86_ucode.dts.
|
|
ucode_data = struct.pack('>4L', 0x12345678, 0x12345679, 0xabcd0000,
|
|
0x78235609)
|
|
self.assertEqual(ucode_data, third[:len(ucode_data)])
|
|
ucode_pos = len(U_BOOT_NODTB_DATA) + fdt_len
|
|
|
|
# Check that the microcode pointer was inserted. It should match the
|
|
# expected position and size
|
|
pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos,
|
|
len(ucode_data))
|
|
first = data[:len(U_BOOT_NODTB_DATA)]
|
|
self.assertEqual('nodtb with microcode' + pos_and_size +
|
|
' somewhere in here', first)
|
|
|
|
def _RunPackUbootSingleMicrocode(self, collate):
|
|
"""Test that x86 microcode can be handled correctly
|
|
|
|
We expect to see the following in the image, in order:
|
|
u-boot-nodtb.bin with a microcode pointer inserted at the correct
|
|
place
|
|
u-boot.dtb with the microcode
|
|
an empty microcode region
|
|
"""
|
|
# We need the libfdt library to run this test since only that allows
|
|
# finding the offset of a property. This is required by
|
|
# Entry_u_boot_dtb_with_ucode.ObtainContents().
|
|
if not fdt_select.have_libfdt:
|
|
return
|
|
data = self._DoReadFile('35_x86_single_ucode.dts', True)
|
|
|
|
second = data[len(U_BOOT_NODTB_DATA):]
|
|
|
|
fdt_len = self.GetFdtLen(second)
|
|
third = second[fdt_len:]
|
|
second = second[:fdt_len]
|
|
|
|
if not collate:
|
|
ucode_data = struct.pack('>2L', 0x12345678, 0x12345679)
|
|
self.assertIn(ucode_data, second)
|
|
ucode_pos = second.find(ucode_data) + len(U_BOOT_NODTB_DATA)
|
|
|
|
# Check that the microcode pointer was inserted. It should match the
|
|
# expected position and size
|
|
pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos,
|
|
len(ucode_data))
|
|
first = data[:len(U_BOOT_NODTB_DATA)]
|
|
self.assertEqual('nodtb with microcode' + pos_and_size +
|
|
' somewhere in here', first)
|
|
|
|
def testPackUbootSingleMicrocode(self):
|
|
"""Test that x86 microcode can be handled correctly with fdt_normal.
|
|
"""
|
|
self._RunPackUbootSingleMicrocode(False)
|
|
|
|
def testPackUbootSingleMicrocodeFallback(self):
|
|
"""Test that x86 microcode can be handled correctly with fdt_fallback.
|
|
|
|
This only supports collating the microcode.
|
|
"""
|
|
try:
|
|
old_val = fdt_select.UseFallback(True)
|
|
self._RunPackUbootSingleMicrocode(True)
|
|
finally:
|
|
fdt_select.UseFallback(old_val)
|
|
|
|
def testUBootImg(self):
|
|
"""Test that u-boot.img can be put in a file"""
|
|
data = self._DoReadFile('36_u_boot_img.dts')
|
|
self.assertEqual(U_BOOT_IMG_DATA, data)
|
|
|
|
def testNoMicrocode(self):
|
|
"""Test that a missing microcode region is detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoReadFile('37_x86_no_ucode.dts', True)
|
|
self.assertIn("Node '/binman/u-boot-dtb-with-ucode': No /microcode "
|
|
"node found in ", str(e.exception))
|
|
|
|
def testMicrocodeWithoutNode(self):
|
|
"""Test that a missing u-boot-dtb-with-ucode node is detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoReadFile('38_x86_ucode_missing_node.dts', True)
|
|
self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find "
|
|
"microcode region u-boot-dtb-with-ucode", str(e.exception))
|
|
|
|
def testMicrocodeWithoutNode2(self):
|
|
"""Test that a missing u-boot-ucode node is detected"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoReadFile('39_x86_ucode_missing_node2.dts', True)
|
|
self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find "
|
|
"microcode region u-boot-ucode", str(e.exception))
|
|
|
|
def testMicrocodeWithoutPtrInElf(self):
|
|
"""Test that a U-Boot binary without the microcode symbol is detected"""
|
|
# ELF file without a '_dt_ucode_base_size' symbol
|
|
if not fdt_select.have_libfdt:
|
|
return
|
|
try:
|
|
with open(self.TestFile('u_boot_no_ucode_ptr')) as fd:
|
|
TestFunctional._MakeInputFile('u-boot', fd.read())
|
|
|
|
with self.assertRaises(ValueError) as e:
|
|
self._RunPackUbootSingleMicrocode(False)
|
|
self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot locate "
|
|
"_dt_ucode_base_size symbol in u-boot", str(e.exception))
|
|
|
|
finally:
|
|
# Put the original file back
|
|
with open(self.TestFile('u_boot_ucode_ptr')) as fd:
|
|
TestFunctional._MakeInputFile('u-boot', fd.read())
|
|
|
|
def testMicrocodeNotInImage(self):
|
|
"""Test that microcode must be placed within the image"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoReadFile('40_x86_ucode_not_in_image.dts', True)
|
|
self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Microcode "
|
|
"pointer _dt_ucode_base_size at fffffe14 is outside the "
|
|
"image ranging from 00000000 to 0000002e", str(e.exception))
|
|
|
|
def testWithoutMicrocode(self):
|
|
"""Test that we can cope with an image without microcode (e.g. qemu)"""
|
|
with open(self.TestFile('u_boot_no_ucode_ptr')) as fd:
|
|
TestFunctional._MakeInputFile('u-boot', fd.read())
|
|
data, dtb = self._DoReadFileDtb('44_x86_optional_ucode.dts', True)
|
|
|
|
# Now check the device tree has no microcode
|
|
self.assertEqual(U_BOOT_NODTB_DATA, data[:len(U_BOOT_NODTB_DATA)])
|
|
second = data[len(U_BOOT_NODTB_DATA):]
|
|
|
|
fdt_len = self.GetFdtLen(second)
|
|
self.assertEqual(dtb, second[:fdt_len])
|
|
|
|
used_len = len(U_BOOT_NODTB_DATA) + fdt_len
|
|
third = data[used_len:]
|
|
self.assertEqual(chr(0) * (0x200 - used_len), third)
|
|
|
|
def testUnknownPosSize(self):
|
|
"""Test that microcode must be placed within the image"""
|
|
with self.assertRaises(ValueError) as e:
|
|
self._DoReadFile('41_unknown_pos_size.dts', True)
|
|
self.assertIn("Image '/binman': Unable to set pos/size for unknown "
|
|
"entry 'invalid-entry'", str(e.exception))
|
|
|
|
def testPackFsp(self):
|
|
"""Test that an image with a FSP binary can be created"""
|
|
data = self._DoReadFile('42_intel-fsp.dts')
|
|
self.assertEqual(FSP_DATA, data[:len(FSP_DATA)])
|
|
|
|
def testPackCmc(self):
|
|
"""Test that an image with a FSP binary can be created"""
|
|
data = self._DoReadFile('43_intel-cmc.dts')
|
|
self.assertEqual(CMC_DATA, data[:len(CMC_DATA)])
|