920 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			920 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			Python
		
	
	
	
| # SPDX-License-Identifier: GPL-2.0+
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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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| # 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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| 
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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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| 
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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 elf
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| import fdt
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| import fdt_util
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| import tools
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| import tout
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| 
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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       = '56780123456789abcde'
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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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| U_BOOT_SPL_DTB_DATA   = 'spldtb'
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| X86_START16_DATA      = 'start16'
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| X86_START16_SPL_DATA  = 'start16spl'
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| U_BOOT_NODTB_DATA     = 'nodtb with microcode pointer somewhere in here'
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| U_BOOT_SPL_NODTB_DATA = 'splnodtb with microcode pointer somewhere in here'
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| FSP_DATA              = 'fsp'
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| CMC_DATA              = 'cmc'
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| VBT_DATA              = 'vbt'
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| MRC_DATA              = 'mrc'
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| 
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| class TestFunctional(unittest.TestCase):
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|     """Functional tests for binman
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| 
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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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| 
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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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| 
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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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|         global entry
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|         import entry
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| 
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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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| 
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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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| 
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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('spl/u-boot-spl.dtb', U_BOOT_SPL_DTB_DATA)
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|         TestFunctional._MakeInputFile('u-boot-x86-16bit.bin', X86_START16_DATA)
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|         TestFunctional._MakeInputFile('spl/u-boot-x86-16bit-spl.bin',
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|                                       X86_START16_SPL_DATA)
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|         TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA)
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|         TestFunctional._MakeInputFile('spl/u-boot-spl-nodtb.bin',
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|                                       U_BOOT_SPL_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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|         TestFunctional._MakeInputFile('vbt.bin', VBT_DATA)
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|         TestFunctional._MakeInputFile('mrc.bin', MRC_DATA)
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|         self._output_setup = False
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     def _RunBinman(self, *args, **kwargs):
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|         """Run binman using the command line
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| 
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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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| 
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|     def _DoBinman(self, *args):
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|         """Run binman using directly (in the same process)
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| 
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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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|         args = list(args)
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|         if '-D' in sys.argv:
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|             args = args + ['-D']
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|         (options, args) = cmdline.ParseArgs(args)
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|         options.pager = 'binman-invalid-pager'
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|         options.build_dir = self._indir
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| 
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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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| 
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|     def _DoTestFile(self, fname, debug=False):
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|         """Run binman with a given test file
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| 
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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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|         args = ['-p', '-I', self._indir, '-d', self.TestFile(fname)]
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|         if debug:
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|             args.append('-D')
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|         return self._DoBinman(*args)
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         Raises an assertion failure if binman returns a non-zero exit code.
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     def CheckNoGaps(self, entries):
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|         """Check that all entries fit together without gaps
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| 
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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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| 
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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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| 
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|         Args:
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|             dtb: Device tree binary contents
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| 
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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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| 
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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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| 
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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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|         # Remove possible extraneous strings
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|         extra = '::::::::::::::\n' + help_file + '\n::::::::::::::\n'
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|         gothelp = result.stdout.replace(extra, '')
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|         self.assertEqual(len(gothelp), 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     def testSimpleDebug(self):
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|         """Test a simple binman run with debugging enabled"""
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|         data = self._DoTestFile('05_simple.dts', debug=True)
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| 
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|     def testDual(self):
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|         """Test that we can handle creating two images
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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.GetEntries()
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|         self.assertEqual(5, len(entries))
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         self.assertEqual(65, image._size)
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| 
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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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| 
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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.GetEntries()
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|         self.assertEqual(5, len(entries))
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| 
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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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| 
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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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| 
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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)
 | |
|         self.assertEqual(32, entry.size)
 | |
| 
 | |
|         # Fourth u-boot has an aligned end
 | |
|         self.assertIn('u-boot-align-end', entries)
 | |
|         entry = entries['u-boot-align-end']
 | |
|         self.assertEqual(48, entry.pos)
 | |
|         self.assertEqual(16, entry.size)
 | |
| 
 | |
|         # Fifth u-boot immediately afterwards
 | |
|         self.assertIn('u-boot-align-both', entries)
 | |
|         entry = entries['u-boot-align-both']
 | |
|         self.assertEqual(64, entry.pos)
 | |
|         self.assertEqual(64, entry.size)
 | |
| 
 | |
|         self.CheckNoGaps(entries)
 | |
|         self.assertEqual(128, image._size)
 | |
| 
 | |
|     def testPackAlignPowerOf2(self):
 | |
|         """Test that invalid entry alignment is detected"""
 | |
|         with self.assertRaises(ValueError) as e:
 | |
|             self._DoTestFile('10_pack_align_power2.dts')
 | |
|         self.assertIn("Node '/binman/u-boot': Alignment 5 must be a power "
 | |
|                       "of two", str(e.exception))
 | |
| 
 | |
|     def testPackAlignSizePowerOf2(self):
 | |
|         """Test that invalid entry size alignment is detected"""
 | |
|         with self.assertRaises(ValueError) as e:
 | |
|             self._DoTestFile('11_pack_align_size_power2.dts')
 | |
|         self.assertIn("Node '/binman/u-boot': Alignment size 55 must be a "
 | |
|                       "power of two", str(e.exception))
 | |
| 
 | |
|     def testPackInvalidAlign(self):
 | |
|         """Test detection of an position that does not match its alignment"""
 | |
|         with self.assertRaises(ValueError) as e:
 | |
|             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("Section '/binman': contents size 0x4 (4) exceeds section "
 | |
|                       "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("Section '/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("Section '/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"""
 | |
|         with open(self.TestFile('bss_data')) as fd:
 | |
|             TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read())
 | |
|         data = self._DoReadFile('21_image_pad.dts')
 | |
|         self.assertEqual(U_BOOT_SPL_DATA + (chr(0xff) * 1) + 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) * 1 + 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("Section '/binman': Section 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 section starting at 0xffffffe0 (4294967264)",
 | |
|                       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) * 7 + U_BOOT_SPL_DATA +
 | |
|                          chr(0) * 2, 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 _RunMicrocodeTest(self, dts_fname, nodtb_data):
 | |
|         data = self._DoReadFile(dts_fname, True)
 | |
| 
 | |
|         # Now check the device tree has no microcode
 | |
|         second = data[len(nodtb_data):]
 | |
|         fname = tools.GetOutputFilename('test.dtb')
 | |
|         with open(fname, 'wb') as fd:
 | |
|             fd.write(second)
 | |
|         dtb = fdt.FdtScan(fname)
 | |
|         ucode = dtb.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 34_x86_ucode.dts.
 | |
|         ucode_data = struct.pack('>4L', 0x12345678, 0x12345679, 0xabcd0000,
 | |
|                                  0x78235609)
 | |
|         self.assertEqual(ucode_data, third[:len(ucode_data)])
 | |
|         ucode_pos = len(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(nodtb_data)]
 | |
|         return first, pos_and_size
 | |
| 
 | |
|     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
 | |
|         """
 | |
|         first, pos_and_size = self._RunMicrocodeTest('34_x86_ucode.dts',
 | |
|                                                      U_BOOT_NODTB_DATA)
 | |
|         self.assertEqual('nodtb with microcode' + pos_and_size +
 | |
|                          ' somewhere in here', first)
 | |
| 
 | |
|     def _RunPackUbootSingleMicrocode(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
 | |
|             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().
 | |
|         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]
 | |
| 
 | |
|         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()
 | |
| 
 | |
|     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
 | |
|         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()
 | |
|             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("Section '/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 CMC binary can be created"""
 | |
|         data = self._DoReadFile('43_intel-cmc.dts')
 | |
|         self.assertEqual(CMC_DATA, data[:len(CMC_DATA)])
 | |
| 
 | |
|     def testPackVbt(self):
 | |
|         """Test that an image with a VBT binary can be created"""
 | |
|         data = self._DoReadFile('46_intel-vbt.dts')
 | |
|         self.assertEqual(VBT_DATA, data[:len(VBT_DATA)])
 | |
| 
 | |
|     def testSplBssPad(self):
 | |
|         """Test that we can pad SPL's BSS with zeros"""
 | |
|         # ELF file with a '__bss_size' symbol
 | |
|         with open(self.TestFile('bss_data')) as fd:
 | |
|             TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read())
 | |
|         data = self._DoReadFile('47_spl_bss_pad.dts')
 | |
|         self.assertEqual(U_BOOT_SPL_DATA + (chr(0) * 10) + U_BOOT_DATA, data)
 | |
| 
 | |
|         with open(self.TestFile('u_boot_ucode_ptr')) as fd:
 | |
|             TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read())
 | |
|         with self.assertRaises(ValueError) as e:
 | |
|             data = self._DoReadFile('47_spl_bss_pad.dts')
 | |
|         self.assertIn('Expected __bss_size symbol in spl/u-boot-spl',
 | |
|                       str(e.exception))
 | |
| 
 | |
|     def testPackStart16Spl(self):
 | |
|         """Test that an image with an x86 start16 region can be created"""
 | |
|         data = self._DoReadFile('48_x86-start16-spl.dts')
 | |
|         self.assertEqual(X86_START16_SPL_DATA, data[:len(X86_START16_SPL_DATA)])
 | |
| 
 | |
|     def testPackUbootSplMicrocode(self):
 | |
|         """Test that x86 microcode can be handled correctly in SPL
 | |
| 
 | |
|         We expect to see the following in the image, in order:
 | |
|             u-boot-spl-nodtb.bin with a microcode pointer inserted at the
 | |
|                 correct place
 | |
|             u-boot.dtb with the microcode removed
 | |
|             the microcode
 | |
|         """
 | |
|         # ELF file with a '_dt_ucode_base_size' symbol
 | |
|         with open(self.TestFile('u_boot_ucode_ptr')) as fd:
 | |
|             TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read())
 | |
|         first, pos_and_size = self._RunMicrocodeTest('49_x86_ucode_spl.dts',
 | |
|                                                      U_BOOT_SPL_NODTB_DATA)
 | |
|         self.assertEqual('splnodtb with microc' + pos_and_size +
 | |
|                          'ter somewhere in here', first)
 | |
| 
 | |
|     def testPackMrc(self):
 | |
|         """Test that an image with an MRC binary can be created"""
 | |
|         data = self._DoReadFile('50_intel_mrc.dts')
 | |
|         self.assertEqual(MRC_DATA, data[:len(MRC_DATA)])
 | |
| 
 | |
|     def testSplDtb(self):
 | |
|         """Test that an image with spl/u-boot-spl.dtb can be created"""
 | |
|         data = self._DoReadFile('51_u_boot_spl_dtb.dts')
 | |
|         self.assertEqual(U_BOOT_SPL_DTB_DATA, data[:len(U_BOOT_SPL_DTB_DATA)])
 | |
| 
 | |
|     def testSplNoDtb(self):
 | |
|         """Test that an image with spl/u-boot-spl-nodtb.bin can be created"""
 | |
|         data = self._DoReadFile('52_u_boot_spl_nodtb.dts')
 | |
|         self.assertEqual(U_BOOT_SPL_NODTB_DATA, data[:len(U_BOOT_SPL_NODTB_DATA)])
 | |
| 
 | |
|     def testSymbols(self):
 | |
|         """Test binman can assign symbols embedded in U-Boot"""
 | |
|         elf_fname = self.TestFile('u_boot_binman_syms')
 | |
|         syms = elf.GetSymbols(elf_fname, ['binman', 'image'])
 | |
|         addr = elf.GetSymbolAddress(elf_fname, '__image_copy_start')
 | |
|         self.assertEqual(syms['_binman_u_boot_spl_prop_pos'].address, addr)
 | |
| 
 | |
|         with open(self.TestFile('u_boot_binman_syms')) as fd:
 | |
|             TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read())
 | |
|         data = self._DoReadFile('53_symbols.dts')
 | |
|         sym_values = struct.pack('<LQL', 0x24 + 0, 0x24 + 24, 0x24 + 20)
 | |
|         expected = (sym_values + U_BOOT_SPL_DATA[16:] + chr(0xff) +
 | |
|                     U_BOOT_DATA +
 | |
|                     sym_values + U_BOOT_SPL_DATA[16:])
 | |
|         self.assertEqual(expected, data)
 | |
| 
 | |
|     def testPackUnitAddress(self):
 | |
|         """Test that we support multiple binaries with the same name"""
 | |
|         data = self._DoReadFile('54_unit_address.dts')
 | |
|         self.assertEqual(U_BOOT_DATA + U_BOOT_DATA, data)
 | |
| 
 | |
| 
 | |
| if __name__ == "__main__":
 | |
|     unittest.main()
 |