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Diffstat (limited to 'tools/binman/ftest.py')
| -rw-r--r-- | tools/binman/ftest.py | 867 |
1 files changed, 867 insertions, 0 deletions
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py new file mode 100644 index 0000000000..9083143894 --- /dev/null +++ b/tools/binman/ftest.py @@ -0,0 +1,867 @@ +# +# Copyright (c) 2016 Google, Inc +# Written by Simon Glass <sjg@chromium.org> +# +# SPDX-License-Identifier: GPL-2.0+ +# +# To run a single test, change to this directory, and: +# +# python -m unittest func_test.TestFunctional.testHelp + +from optparse import OptionParser +import os +import shutil +import struct +import sys +import tempfile +import unittest + +import binman +import cmdline +import command +import control +import fdt +import fdt_util +import tools +import tout + +# Contents of test files, corresponding to different entry types +U_BOOT_DATA = '1234' +U_BOOT_IMG_DATA = 'img' +U_BOOT_SPL_DATA = '567' +BLOB_DATA = '89' +ME_DATA = '0abcd' +VGA_DATA = 'vga' +U_BOOT_DTB_DATA = 'udtb' +X86_START16_DATA = 'start16' +X86_START16_SPL_DATA = 'start16spl' +U_BOOT_NODTB_DATA = 'nodtb with microcode pointer somewhere in here' +U_BOOT_SPL_NODTB_DATA = 'splnodtb with microcode pointer somewhere in here' +FSP_DATA = 'fsp' +CMC_DATA = 'cmc' +VBT_DATA = 'vbt' +MRC_DATA = 'mrc' + +class TestFunctional(unittest.TestCase): + """Functional tests for binman + + Most of these use a sample .dts file to build an image and then check + that it looks correct. The sample files are in the test/ subdirectory + and are numbered. + + For each entry type a very small test file is created using fixed + string contents. This makes it easy to test that things look right, and + debug problems. + + In some cases a 'real' file must be used - these are also supplied in + the test/ diurectory. + """ + @classmethod + def setUpClass(self): + global entry + import entry + + # Handle the case where argv[0] is 'python' + self._binman_dir = os.path.dirname(os.path.realpath(sys.argv[0])) + self._binman_pathname = os.path.join(self._binman_dir, 'binman') + + # Create a temporary directory for input files + self._indir = tempfile.mkdtemp(prefix='binmant.') + + # Create some test files + TestFunctional._MakeInputFile('u-boot.bin', U_BOOT_DATA) + TestFunctional._MakeInputFile('u-boot.img', U_BOOT_IMG_DATA) + TestFunctional._MakeInputFile('spl/u-boot-spl.bin', U_BOOT_SPL_DATA) + TestFunctional._MakeInputFile('blobfile', BLOB_DATA) + TestFunctional._MakeInputFile('me.bin', ME_DATA) + TestFunctional._MakeInputFile('vga.bin', VGA_DATA) + TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA) + TestFunctional._MakeInputFile('u-boot-x86-16bit.bin', X86_START16_DATA) + TestFunctional._MakeInputFile('spl/u-boot-x86-16bit-spl.bin', + X86_START16_SPL_DATA) + TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA) + TestFunctional._MakeInputFile('spl/u-boot-spl-nodtb.bin', + U_BOOT_SPL_NODTB_DATA) + TestFunctional._MakeInputFile('fsp.bin', FSP_DATA) + TestFunctional._MakeInputFile('cmc.bin', CMC_DATA) + TestFunctional._MakeInputFile('vbt.bin', VBT_DATA) + TestFunctional._MakeInputFile('mrc.bin', MRC_DATA) + self._output_setup = False + + # ELF file with a '_dt_ucode_base_size' symbol + with open(self.TestFile('u_boot_ucode_ptr')) as fd: + TestFunctional._MakeInputFile('u-boot', fd.read()) + + # Intel flash descriptor file + with open(self.TestFile('descriptor.bin')) as fd: + TestFunctional._MakeInputFile('descriptor.bin', fd.read()) + + @classmethod + def tearDownClass(self): + """Remove the temporary input directory and its contents""" + if self._indir: + shutil.rmtree(self._indir) + self._indir = None + + def setUp(self): + # Enable this to turn on debugging output + # tout.Init(tout.DEBUG) + command.test_result = None + + def tearDown(self): + """Remove the temporary output directory""" + tools._FinaliseForTest() + + def _RunBinman(self, *args, **kwargs): + """Run binman using the command line + + Args: + Arguments to pass, as a list of strings + kwargs: Arguments to pass to Command.RunPipe() + """ + result = command.RunPipe([[self._binman_pathname] + list(args)], + capture=True, capture_stderr=True, raise_on_error=False) + if result.return_code and kwargs.get('raise_on_error', True): + raise Exception("Error running '%s': %s" % (' '.join(args), + result.stdout + result.stderr)) + return result + + def _DoBinman(self, *args): + """Run binman using directly (in the same process) + + Args: + Arguments to pass, as a list of strings + Returns: + Return value (0 for success) + """ + (options, args) = cmdline.ParseArgs(list(args)) + options.pager = 'binman-invalid-pager' + options.build_dir = self._indir + + # For testing, you can force an increase in verbosity here + # options.verbosity = tout.DEBUG + return control.Binman(options, args) + + def _DoTestFile(self, fname): + """Run binman with a given test file + + Args: + fname: Device tree source filename to use (e.g. 05_simple.dts) + """ + return self._DoBinman('-p', '-I', self._indir, + '-d', self.TestFile(fname)) + + def _SetupDtb(self, fname, outfile='u-boot.dtb'): + """Set up a new test device-tree file + + The given file is compiled and set up as the device tree to be used + for ths test. + + Args: + fname: Filename of .dts file to read + outfile: Output filename for compiled device tree binary + + Returns: + Contents of device tree binary + """ + if not self._output_setup: + tools.PrepareOutputDir(self._indir, True) + self._output_setup = True + dtb = fdt_util.EnsureCompiled(self.TestFile(fname)) + with open(dtb) as fd: + data = fd.read() + TestFunctional._MakeInputFile(outfile, data) + return data + + def _DoReadFileDtb(self, fname, use_real_dtb=False): + """Run binman and return the resulting image + + This runs binman with a given test file and then reads the resulting + output file. It is a shortcut function since most tests need to do + these steps. + + Raises an assertion failure if binman returns a non-zero exit code. + + Args: + fname: Device tree source filename to use (e.g. 05_simple.dts) + use_real_dtb: True to use the test file as the contents of + the u-boot-dtb entry. Normally this is not needed and the + test contents (the U_BOOT_DTB_DATA string) can be used. + But in some test we need the real contents. + + Returns: + Tuple: + Resulting image contents + Device tree contents + """ + dtb_data = None + # Use the compiled test file as the u-boot-dtb input + if use_real_dtb: + dtb_data = self._SetupDtb(fname) + + try: + retcode = self._DoTestFile(fname) + self.assertEqual(0, retcode) + + # Find the (only) image, read it and return its contents + image = control.images['image'] + fname = tools.GetOutputFilename('image.bin') + self.assertTrue(os.path.exists(fname)) + with open(fname) as fd: + return fd.read(), dtb_data + finally: + # Put the test file back + if use_real_dtb: + TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA) + + def _DoReadFile(self, fname, use_real_dtb=False): + """Helper function which discards the device-tree binary""" + return self._DoReadFileDtb(fname, use_real_dtb)[0] + + @classmethod + def _MakeInputFile(self, fname, contents): + """Create a new test input file, creating directories as needed + + Args: + fname: Filenaem to create + contents: File contents to write in to the file + Returns: + Full pathname of file created + """ + pathname = os.path.join(self._indir, fname) + dirname = os.path.dirname(pathname) + if dirname and not os.path.exists(dirname): + os.makedirs(dirname) + with open(pathname, 'wb') as fd: + fd.write(contents) + return pathname + + @classmethod + def TestFile(self, fname): + return os.path.join(self._binman_dir, 'test', fname) + + def AssertInList(self, grep_list, target): + """Assert that at least one of a list of things is in a target + + Args: + grep_list: List of strings to check + target: Target string + """ + for grep in grep_list: + if grep in target: + return + self.fail("Error: '%' not found in '%s'" % (grep_list, target)) + + def CheckNoGaps(self, entries): + """Check that all entries fit together without gaps + + Args: + entries: List of entries to check + """ + pos = 0 + for entry in entries.values(): + self.assertEqual(pos, entry.pos) + pos += entry.size + + def GetFdtLen(self, dtb): + """Get the totalsize field from a device tree binary + + Args: + dtb: Device tree binary contents + + Returns: + Total size of device tree binary, from the header + """ + return struct.unpack('>L', dtb[4:8])[0] + + def testRun(self): + """Test a basic run with valid args""" + result = self._RunBinman('-h') + + def testFullHelp(self): + """Test that the full help is displayed with -H""" + result = self._RunBinman('-H') + help_file = os.path.join(self._binman_dir, 'README') + self.assertEqual(len(result.stdout), os.path.getsize(help_file)) + self.assertEqual(0, len(result.stderr)) + self.assertEqual(0, result.return_code) + + def testFullHelpInternal(self): + """Test that the full help is displayed with -H""" + try: + command.test_result = command.CommandResult() + result = self._DoBinman('-H') + help_file = os.path.join(self._binman_dir, 'README') + finally: + command.test_result = None + + def testHelp(self): + """Test that the basic help is displayed with -h""" + result = self._RunBinman('-h') + self.assertTrue(len(result.stdout) > 200) + self.assertEqual(0, len(result.stderr)) + self.assertEqual(0, result.return_code) + + # Not yet available. + def testBoard(self): + """Test that we can run it with a specific board""" + self._SetupDtb('05_simple.dts', 'sandbox/u-boot.dtb') + TestFunctional._MakeInputFile('sandbox/u-boot.bin', U_BOOT_DATA) + result = self._DoBinman('-b', 'sandbox') + self.assertEqual(0, result) + + def testNeedBoard(self): + """Test that we get an error when no board ius supplied""" + with self.assertRaises(ValueError) as e: + result = self._DoBinman() + self.assertIn("Must provide a board to process (use -b <board>)", + str(e.exception)) + + def testMissingDt(self): + """Test that an invalid device tree file generates an error""" + with self.assertRaises(Exception) as e: + self._RunBinman('-d', 'missing_file') + # We get one error from libfdt, and a different one from fdtget. + self.AssertInList(["Couldn't open blob from 'missing_file'", + 'No such file or directory'], str(e.exception)) + + def testBrokenDt(self): + """Test that an invalid device tree source file generates an error + + Since this is a source file it should be compiled and the error + will come from the device-tree compiler (dtc). + """ + with self.assertRaises(Exception) as e: + self._RunBinman('-d', self.TestFile('01_invalid.dts')) + self.assertIn("FATAL ERROR: Unable to parse input tree", + str(e.exception)) + + def testMissingNode(self): + """Test that a device tree without a 'binman' node generates an error""" + with self.assertRaises(Exception) as e: + self._DoBinman('-d', self.TestFile('02_missing_node.dts')) + self.assertIn("does not have a 'binman' node", str(e.exception)) + + def testEmpty(self): + """Test that an empty binman node works OK (i.e. does nothing)""" + result = self._RunBinman('-d', self.TestFile('03_empty.dts')) + self.assertEqual(0, len(result.stderr)) + self.assertEqual(0, result.return_code) + + def testInvalidEntry(self): + """Test that an invalid entry is flagged""" + with self.assertRaises(Exception) as e: + result = self._RunBinman('-d', + self.TestFile('04_invalid_entry.dts')) + #print e.exception + self.assertIn("Unknown entry type 'not-a-valid-type' in node " + "'/binman/not-a-valid-type'", str(e.exception)) + + def testSimple(self): + """Test a simple binman with a single file""" + data = self._DoReadFile('05_simple.dts') + self.assertEqual(U_BOOT_DATA, data) + + def testDual(self): + """Test that we can handle creating two images + + This also tests image padding. + """ + retcode = self._DoTestFile('06_dual_image.dts') + self.assertEqual(0, retcode) + + image = control.images['image1'] + self.assertEqual(len(U_BOOT_DATA), image._size) + fname = tools.GetOutputFilename('image1.bin') + self.assertTrue(os.path.exists(fname)) + with open(fname) as fd: + data = fd.read() + self.assertEqual(U_BOOT_DATA, data) + + image = control.images['image2'] + self.assertEqual(3 + len(U_BOOT_DATA) + 5, image._size) + fname = tools.GetOutputFilename('image2.bin') + self.assertTrue(os.path.exists(fname)) + with open(fname) as fd: + data = fd.read() + self.assertEqual(U_BOOT_DATA, data[3:7]) + self.assertEqual(chr(0) * 3, data[:3]) + self.assertEqual(chr(0) * 5, data[7:]) + + def testBadAlign(self): + """Test that an invalid alignment value is detected""" + with self.assertRaises(ValueError) as e: + self._DoTestFile('07_bad_align.dts') + self.assertIn("Node '/binman/u-boot': Alignment 23 must be a power " + "of two", str(e.exception)) + + def testPackSimple(self): + """Test that packing works as expected""" + retcode = self._DoTestFile('08_pack.dts') + self.assertEqual(0, retcode) + self.assertIn('image', control.images) + image = control.images['image'] + entries = image._entries + self.assertEqual(5, len(entries)) + + # First u-boot + self.assertIn('u-boot', entries) + entry = entries['u-boot'] + self.assertEqual(0, entry.pos) + self.assertEqual(len(U_BOOT_DATA), entry.size) + + # Second u-boot, aligned to 16-byte boundary + self.assertIn('u-boot-align', entries) + entry = entries['u-boot-align'] + self.assertEqual(16, entry.pos) + self.assertEqual(len(U_BOOT_DATA), entry.size) + + # Third u-boot, size 23 bytes + self.assertIn('u-boot-size', entries) + entry = entries['u-boot-size'] + self.assertEqual(20, entry.pos) + self.assertEqual(len(U_BOOT_DATA), entry.contents_size) + self.assertEqual(23, entry.size) + + # Fourth u-boot, placed immediate after the above + self.assertIn('u-boot-next', entries) + entry = entries['u-boot-next'] + self.assertEqual(43, entry.pos) + self.assertEqual(len(U_BOOT_DATA), entry.size) + + # Fifth u-boot, placed at a fixed position + self.assertIn('u-boot-fixed', entries) + entry = entries['u-boot-fixed'] + self.assertEqual(61, entry.pos) + self.assertEqual(len(U_BOOT_DATA), entry.size) + + self.assertEqual(65, image._size) + + def testPackExtra(self): + """Test that extra packing feature works as expected""" + retcode = self._DoTestFile('09_pack_extra.dts') + + self.assertEqual(0, retcode) + self.assertIn('image', control.images) + image = control.images['image'] + entries = image._entries + self.assertEqual(5, len(entries)) + + # First u-boot with padding before and after + self.assertIn('u-boot', entries) + entry = entries['u-boot'] + self.assertEqual(0, entry.pos) + self.assertEqual(3, entry.pad_before) + self.assertEqual(3 + 5 + len(U_BOOT_DATA), entry.size) + + # Second u-boot has an aligned size, but it has no effect + self.assertIn('u-boot-align-size-nop', entries) + entry = entries['u-boot-align-size-nop'] + self.assertEqual(12, entry.pos) + self.assertEqual(4, entry.size) + + # Third u-boot has an aligned size too + self.assertIn('u-boot-align-size', entries) + entry = entries['u-boot-align-size'] + 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("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 _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("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 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) + + 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)]) + + +if __name__ == "__main__": + unittest.main() |