| # |
| # 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 entry |
| import fdt_select |
| 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' |
| U_BOOT_NODTB_DATA = 'nodtb with microcode pointer somewhere in here' |
| FSP_DATA = 'fsp' |
| CMC_DATA = 'cmc' |
| |
| 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): |
| # 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('u-boot-nodtb.bin', U_BOOT_NODTB_DATA) |
| TestFunctional._MakeInputFile('fsp.bin', FSP_DATA) |
| TestFunctional._MakeInputFile('cmc.bin', CMC_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 testPackUbootMicrocode(self): |
| """Test that x86 microcode can be handled correctly |
| |
| We expect to see the following in the image, in order: |
| u-boot-nodtb.bin with a microcode pointer inserted at the correct |
| place |
| u-boot.dtb with the microcode removed |
| the microcode |
| """ |
| data = self._DoReadFile('34_x86_ucode.dts', True) |
| |
| # Now check the device tree has no microcode |
| second = data[len(U_BOOT_NODTB_DATA):] |
| fname = tools.GetOutputFilename('test.dtb') |
| with open(fname, 'wb') as fd: |
| fd.write(second) |
| fdt = fdt_select.FdtScan(fname) |
| ucode = fdt.GetNode('/microcode') |
| self.assertTrue(ucode) |
| for node in ucode.subnodes: |
| self.assertFalse(node.props.get('data')) |
| |
| fdt_len = self.GetFdtLen(second) |
| third = second[fdt_len:] |
| |
| # Check that the microcode appears immediately after the Fdt |
| # This matches the concatenation of the data properties in |
| # the /microcode/update@xxx nodes in x86_ucode.dts. |
| ucode_data = struct.pack('>4L', 0x12345678, 0x12345679, 0xabcd0000, |
| 0x78235609) |
| self.assertEqual(ucode_data, third[:len(ucode_data)]) |
| ucode_pos = len(U_BOOT_NODTB_DATA) + fdt_len |
| |
| # Check that the microcode pointer was inserted. It should match the |
| # expected position and size |
| pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos, |
| len(ucode_data)) |
| first = data[:len(U_BOOT_NODTB_DATA)] |
| self.assertEqual('nodtb with microcode' + pos_and_size + |
| ' somewhere in here', first) |
| |
| def _RunPackUbootSingleMicrocode(self, collate): |
| """Test that x86 microcode can be handled correctly |
| |
| We expect to see the following in the image, in order: |
| u-boot-nodtb.bin with a microcode pointer inserted at the correct |
| place |
| u-boot.dtb with the microcode |
| an empty microcode region |
| """ |
| # We need the libfdt library to run this test since only that allows |
| # finding the offset of a property. This is required by |
| # Entry_u_boot_dtb_with_ucode.ObtainContents(). |
| if not fdt_select.have_libfdt: |
| return |
| data = self._DoReadFile('35_x86_single_ucode.dts', True) |
| |
| second = data[len(U_BOOT_NODTB_DATA):] |
| |
| fdt_len = self.GetFdtLen(second) |
| third = second[fdt_len:] |
| second = second[:fdt_len] |
| |
| if not collate: |
| ucode_data = struct.pack('>2L', 0x12345678, 0x12345679) |
| self.assertIn(ucode_data, second) |
| ucode_pos = second.find(ucode_data) + len(U_BOOT_NODTB_DATA) |
| |
| # Check that the microcode pointer was inserted. It should match the |
| # expected position and size |
| pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos, |
| len(ucode_data)) |
| first = data[:len(U_BOOT_NODTB_DATA)] |
| self.assertEqual('nodtb with microcode' + pos_and_size + |
| ' somewhere in here', first) |
| |
| def testPackUbootSingleMicrocode(self): |
| """Test that x86 microcode can be handled correctly with fdt_normal. |
| """ |
| self._RunPackUbootSingleMicrocode(False) |
| |
| def testPackUbootSingleMicrocodeFallback(self): |
| """Test that x86 microcode can be handled correctly with fdt_fallback. |
| |
| This only supports collating the microcode. |
| """ |
| try: |
| old_val = fdt_select.UseFallback(True) |
| self._RunPackUbootSingleMicrocode(True) |
| finally: |
| fdt_select.UseFallback(old_val) |
| |
| def testUBootImg(self): |
| """Test that u-boot.img can be put in a file""" |
| data = self._DoReadFile('36_u_boot_img.dts') |
| self.assertEqual(U_BOOT_IMG_DATA, data) |
| |
| def testNoMicrocode(self): |
| """Test that a missing microcode region is detected""" |
| with self.assertRaises(ValueError) as e: |
| self._DoReadFile('37_x86_no_ucode.dts', True) |
| self.assertIn("Node '/binman/u-boot-dtb-with-ucode': No /microcode " |
| "node found in ", str(e.exception)) |
| |
| def testMicrocodeWithoutNode(self): |
| """Test that a missing u-boot-dtb-with-ucode node is detected""" |
| with self.assertRaises(ValueError) as e: |
| self._DoReadFile('38_x86_ucode_missing_node.dts', True) |
| self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find " |
| "microcode region u-boot-dtb-with-ucode", str(e.exception)) |
| |
| def testMicrocodeWithoutNode2(self): |
| """Test that a missing u-boot-ucode node is detected""" |
| with self.assertRaises(ValueError) as e: |
| self._DoReadFile('39_x86_ucode_missing_node2.dts', True) |
| self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find " |
| "microcode region u-boot-ucode", str(e.exception)) |
| |
| def testMicrocodeWithoutPtrInElf(self): |
| """Test that a U-Boot binary without the microcode symbol is detected""" |
| # ELF file without a '_dt_ucode_base_size' symbol |
| if not fdt_select.have_libfdt: |
| return |
| try: |
| with open(self.TestFile('u_boot_no_ucode_ptr')) as fd: |
| TestFunctional._MakeInputFile('u-boot', fd.read()) |
| |
| with self.assertRaises(ValueError) as e: |
| self._RunPackUbootSingleMicrocode(False) |
| self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot locate " |
| "_dt_ucode_base_size symbol in u-boot", str(e.exception)) |
| |
| finally: |
| # Put the original file back |
| with open(self.TestFile('u_boot_ucode_ptr')) as fd: |
| TestFunctional._MakeInputFile('u-boot', fd.read()) |
| |
| def testMicrocodeNotInImage(self): |
| """Test that microcode must be placed within the image""" |
| with self.assertRaises(ValueError) as e: |
| self._DoReadFile('40_x86_ucode_not_in_image.dts', True) |
| self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Microcode " |
| "pointer _dt_ucode_base_size at fffffe14 is outside the " |
| "image ranging from 00000000 to 0000002e", str(e.exception)) |
| |
| def testWithoutMicrocode(self): |
| """Test that we can cope with an image without microcode (e.g. qemu)""" |
| with open(self.TestFile('u_boot_no_ucode_ptr')) as fd: |
| TestFunctional._MakeInputFile('u-boot', fd.read()) |
| data, dtb = self._DoReadFileDtb('44_x86_optional_ucode.dts', True) |
| |
| # Now check the device tree has no microcode |
| self.assertEqual(U_BOOT_NODTB_DATA, data[:len(U_BOOT_NODTB_DATA)]) |
| second = data[len(U_BOOT_NODTB_DATA):] |
| |
| fdt_len = self.GetFdtLen(second) |
| self.assertEqual(dtb, second[:fdt_len]) |
| |
| used_len = len(U_BOOT_NODTB_DATA) + fdt_len |
| third = data[used_len:] |
| self.assertEqual(chr(0) * (0x200 - used_len), third) |
| |
| def testUnknownPosSize(self): |
| """Test that microcode must be placed within the image""" |
| with self.assertRaises(ValueError) as e: |
| self._DoReadFile('41_unknown_pos_size.dts', True) |
| self.assertIn("Image '/binman': Unable to set pos/size for unknown " |
| "entry 'invalid-entry'", str(e.exception)) |
| |
| def testPackFsp(self): |
| """Test that an image with a FSP binary can be created""" |
| data = self._DoReadFile('42_intel-fsp.dts') |
| self.assertEqual(FSP_DATA, data[:len(FSP_DATA)]) |
| |
| def testPackCmc(self): |
| """Test that an image with a FSP binary can be created""" |
| data = self._DoReadFile('43_intel-cmc.dts') |
| self.assertEqual(CMC_DATA, data[:len(CMC_DATA)]) |
