2 # Copyright (c) 2016 Google, Inc
5 # SPDX-License-Identifier: GPL-2.0+
7 # To run a single test, change to this directory, and:
9 # python -m unittest func_test.TestFunctional.testHelp
11 from optparse import OptionParser
29 # Contents of test files, corresponding to different entry types
31 U_BOOT_IMG_DATA = 'img'
32 U_BOOT_SPL_DATA = '567'
36 U_BOOT_DTB_DATA = 'udtb'
37 X86_START16_DATA = 'start16'
38 U_BOOT_NODTB_DATA = 'nodtb with microcode pointer somewhere in here'
43 class TestFunctional(unittest.TestCase):
44 """Functional tests for binman
46 Most of these use a sample .dts file to build an image and then check
47 that it looks correct. The sample files are in the test/ subdirectory
50 For each entry type a very small test file is created using fixed
51 string contents. This makes it easy to test that things look right, and
54 In some cases a 'real' file must be used - these are also supplied in
59 # Handle the case where argv[0] is 'python'
60 self._binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
61 self._binman_pathname = os.path.join(self._binman_dir, 'binman')
63 # Create a temporary directory for input files
64 self._indir = tempfile.mkdtemp(prefix='binmant.')
66 # Create some test files
67 TestFunctional._MakeInputFile('u-boot.bin', U_BOOT_DATA)
68 TestFunctional._MakeInputFile('u-boot.img', U_BOOT_IMG_DATA)
69 TestFunctional._MakeInputFile('spl/u-boot-spl.bin', U_BOOT_SPL_DATA)
70 TestFunctional._MakeInputFile('blobfile', BLOB_DATA)
71 TestFunctional._MakeInputFile('me.bin', ME_DATA)
72 TestFunctional._MakeInputFile('vga.bin', VGA_DATA)
73 TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA)
74 TestFunctional._MakeInputFile('u-boot-x86-16bit.bin', X86_START16_DATA)
75 TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA)
76 TestFunctional._MakeInputFile('fsp.bin', FSP_DATA)
77 TestFunctional._MakeInputFile('cmc.bin', CMC_DATA)
78 TestFunctional._MakeInputFile('vbt.bin', VBT_DATA)
79 self._output_setup = False
81 # ELF file with a '_dt_ucode_base_size' symbol
82 with open(self.TestFile('u_boot_ucode_ptr')) as fd:
83 TestFunctional._MakeInputFile('u-boot', fd.read())
85 # Intel flash descriptor file
86 with open(self.TestFile('descriptor.bin')) as fd:
87 TestFunctional._MakeInputFile('descriptor.bin', fd.read())
90 def tearDownClass(self):
91 """Remove the temporary input directory and its contents"""
93 shutil.rmtree(self._indir)
97 # Enable this to turn on debugging output
98 # tout.Init(tout.DEBUG)
99 command.test_result = None
102 """Remove the temporary output directory"""
103 tools._FinaliseForTest()
105 def _RunBinman(self, *args, **kwargs):
106 """Run binman using the command line
109 Arguments to pass, as a list of strings
110 kwargs: Arguments to pass to Command.RunPipe()
112 result = command.RunPipe([[self._binman_pathname] + list(args)],
113 capture=True, capture_stderr=True, raise_on_error=False)
114 if result.return_code and kwargs.get('raise_on_error', True):
115 raise Exception("Error running '%s': %s" % (' '.join(args),
116 result.stdout + result.stderr))
119 def _DoBinman(self, *args):
120 """Run binman using directly (in the same process)
123 Arguments to pass, as a list of strings
125 Return value (0 for success)
127 (options, args) = cmdline.ParseArgs(list(args))
128 options.pager = 'binman-invalid-pager'
129 options.build_dir = self._indir
131 # For testing, you can force an increase in verbosity here
132 # options.verbosity = tout.DEBUG
133 return control.Binman(options, args)
135 def _DoTestFile(self, fname):
136 """Run binman with a given test file
139 fname: Device tree source filename to use (e.g. 05_simple.dts)
141 return self._DoBinman('-p', '-I', self._indir,
142 '-d', self.TestFile(fname))
144 def _SetupDtb(self, fname, outfile='u-boot.dtb'):
145 """Set up a new test device-tree file
147 The given file is compiled and set up as the device tree to be used
151 fname: Filename of .dts file to read
152 outfile: Output filename for compiled device tree binary
155 Contents of device tree binary
157 if not self._output_setup:
158 tools.PrepareOutputDir(self._indir, True)
159 self._output_setup = True
160 dtb = fdt_util.EnsureCompiled(self.TestFile(fname))
161 with open(dtb) as fd:
163 TestFunctional._MakeInputFile(outfile, data)
166 def _DoReadFileDtb(self, fname, use_real_dtb=False):
167 """Run binman and return the resulting image
169 This runs binman with a given test file and then reads the resulting
170 output file. It is a shortcut function since most tests need to do
173 Raises an assertion failure if binman returns a non-zero exit code.
176 fname: Device tree source filename to use (e.g. 05_simple.dts)
177 use_real_dtb: True to use the test file as the contents of
178 the u-boot-dtb entry. Normally this is not needed and the
179 test contents (the U_BOOT_DTB_DATA string) can be used.
180 But in some test we need the real contents.
184 Resulting image contents
188 # Use the compiled test file as the u-boot-dtb input
190 dtb_data = self._SetupDtb(fname)
193 retcode = self._DoTestFile(fname)
194 self.assertEqual(0, retcode)
196 # Find the (only) image, read it and return its contents
197 image = control.images['image']
198 fname = tools.GetOutputFilename('image.bin')
199 self.assertTrue(os.path.exists(fname))
200 with open(fname) as fd:
201 return fd.read(), dtb_data
203 # Put the test file back
205 TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA)
207 def _DoReadFile(self, fname, use_real_dtb=False):
208 """Helper function which discards the device-tree binary"""
209 return self._DoReadFileDtb(fname, use_real_dtb)[0]
212 def _MakeInputFile(self, fname, contents):
213 """Create a new test input file, creating directories as needed
216 fname: Filenaem to create
217 contents: File contents to write in to the file
219 Full pathname of file created
221 pathname = os.path.join(self._indir, fname)
222 dirname = os.path.dirname(pathname)
223 if dirname and not os.path.exists(dirname):
225 with open(pathname, 'wb') as fd:
230 def TestFile(self, fname):
231 return os.path.join(self._binman_dir, 'test', fname)
233 def AssertInList(self, grep_list, target):
234 """Assert that at least one of a list of things is in a target
237 grep_list: List of strings to check
238 target: Target string
240 for grep in grep_list:
243 self.fail("Error: '%' not found in '%s'" % (grep_list, target))
245 def CheckNoGaps(self, entries):
246 """Check that all entries fit together without gaps
249 entries: List of entries to check
252 for entry in entries.values():
253 self.assertEqual(pos, entry.pos)
256 def GetFdtLen(self, dtb):
257 """Get the totalsize field from a device tree binary
260 dtb: Device tree binary contents
263 Total size of device tree binary, from the header
265 return struct.unpack('>L', dtb[4:8])[0]
268 """Test a basic run with valid args"""
269 result = self._RunBinman('-h')
271 def testFullHelp(self):
272 """Test that the full help is displayed with -H"""
273 result = self._RunBinman('-H')
274 help_file = os.path.join(self._binman_dir, 'README')
275 self.assertEqual(len(result.stdout), os.path.getsize(help_file))
276 self.assertEqual(0, len(result.stderr))
277 self.assertEqual(0, result.return_code)
279 def testFullHelpInternal(self):
280 """Test that the full help is displayed with -H"""
282 command.test_result = command.CommandResult()
283 result = self._DoBinman('-H')
284 help_file = os.path.join(self._binman_dir, 'README')
286 command.test_result = None
289 """Test that the basic help is displayed with -h"""
290 result = self._RunBinman('-h')
291 self.assertTrue(len(result.stdout) > 200)
292 self.assertEqual(0, len(result.stderr))
293 self.assertEqual(0, result.return_code)
297 """Test that we can run it with a specific board"""
298 self._SetupDtb('05_simple.dts', 'sandbox/u-boot.dtb')
299 TestFunctional._MakeInputFile('sandbox/u-boot.bin', U_BOOT_DATA)
300 result = self._DoBinman('-b', 'sandbox')
301 self.assertEqual(0, result)
303 def testNeedBoard(self):
304 """Test that we get an error when no board ius supplied"""
305 with self.assertRaises(ValueError) as e:
306 result = self._DoBinman()
307 self.assertIn("Must provide a board to process (use -b <board>)",
310 def testMissingDt(self):
311 """Test that an invalid device tree file generates an error"""
312 with self.assertRaises(Exception) as e:
313 self._RunBinman('-d', 'missing_file')
314 # We get one error from libfdt, and a different one from fdtget.
315 self.AssertInList(["Couldn't open blob from 'missing_file'",
316 'No such file or directory'], str(e.exception))
318 def testBrokenDt(self):
319 """Test that an invalid device tree source file generates an error
321 Since this is a source file it should be compiled and the error
322 will come from the device-tree compiler (dtc).
324 with self.assertRaises(Exception) as e:
325 self._RunBinman('-d', self.TestFile('01_invalid.dts'))
326 self.assertIn("FATAL ERROR: Unable to parse input tree",
329 def testMissingNode(self):
330 """Test that a device tree without a 'binman' node generates an error"""
331 with self.assertRaises(Exception) as e:
332 self._DoBinman('-d', self.TestFile('02_missing_node.dts'))
333 self.assertIn("does not have a 'binman' node", str(e.exception))
336 """Test that an empty binman node works OK (i.e. does nothing)"""
337 result = self._RunBinman('-d', self.TestFile('03_empty.dts'))
338 self.assertEqual(0, len(result.stderr))
339 self.assertEqual(0, result.return_code)
341 def testInvalidEntry(self):
342 """Test that an invalid entry is flagged"""
343 with self.assertRaises(Exception) as e:
344 result = self._RunBinman('-d',
345 self.TestFile('04_invalid_entry.dts'))
347 self.assertIn("Unknown entry type 'not-a-valid-type' in node "
348 "'/binman/not-a-valid-type'", str(e.exception))
350 def testSimple(self):
351 """Test a simple binman with a single file"""
352 data = self._DoReadFile('05_simple.dts')
353 self.assertEqual(U_BOOT_DATA, data)
356 """Test that we can handle creating two images
358 This also tests image padding.
360 retcode = self._DoTestFile('06_dual_image.dts')
361 self.assertEqual(0, retcode)
363 image = control.images['image1']
364 self.assertEqual(len(U_BOOT_DATA), image._size)
365 fname = tools.GetOutputFilename('image1.bin')
366 self.assertTrue(os.path.exists(fname))
367 with open(fname) as fd:
369 self.assertEqual(U_BOOT_DATA, data)
371 image = control.images['image2']
372 self.assertEqual(3 + len(U_BOOT_DATA) + 5, image._size)
373 fname = tools.GetOutputFilename('image2.bin')
374 self.assertTrue(os.path.exists(fname))
375 with open(fname) as fd:
377 self.assertEqual(U_BOOT_DATA, data[3:7])
378 self.assertEqual(chr(0) * 3, data[:3])
379 self.assertEqual(chr(0) * 5, data[7:])
381 def testBadAlign(self):
382 """Test that an invalid alignment value is detected"""
383 with self.assertRaises(ValueError) as e:
384 self._DoTestFile('07_bad_align.dts')
385 self.assertIn("Node '/binman/u-boot': Alignment 23 must be a power "
386 "of two", str(e.exception))
388 def testPackSimple(self):
389 """Test that packing works as expected"""
390 retcode = self._DoTestFile('08_pack.dts')
391 self.assertEqual(0, retcode)
392 self.assertIn('image', control.images)
393 image = control.images['image']
394 entries = image._entries
395 self.assertEqual(5, len(entries))
398 self.assertIn('u-boot', entries)
399 entry = entries['u-boot']
400 self.assertEqual(0, entry.pos)
401 self.assertEqual(len(U_BOOT_DATA), entry.size)
403 # Second u-boot, aligned to 16-byte boundary
404 self.assertIn('u-boot-align', entries)
405 entry = entries['u-boot-align']
406 self.assertEqual(16, entry.pos)
407 self.assertEqual(len(U_BOOT_DATA), entry.size)
409 # Third u-boot, size 23 bytes
410 self.assertIn('u-boot-size', entries)
411 entry = entries['u-boot-size']
412 self.assertEqual(20, entry.pos)
413 self.assertEqual(len(U_BOOT_DATA), entry.contents_size)
414 self.assertEqual(23, entry.size)
416 # Fourth u-boot, placed immediate after the above
417 self.assertIn('u-boot-next', entries)
418 entry = entries['u-boot-next']
419 self.assertEqual(43, entry.pos)
420 self.assertEqual(len(U_BOOT_DATA), entry.size)
422 # Fifth u-boot, placed at a fixed position
423 self.assertIn('u-boot-fixed', entries)
424 entry = entries['u-boot-fixed']
425 self.assertEqual(61, entry.pos)
426 self.assertEqual(len(U_BOOT_DATA), entry.size)
428 self.assertEqual(65, image._size)
430 def testPackExtra(self):
431 """Test that extra packing feature works as expected"""
432 retcode = self._DoTestFile('09_pack_extra.dts')
434 self.assertEqual(0, retcode)
435 self.assertIn('image', control.images)
436 image = control.images['image']
437 entries = image._entries
438 self.assertEqual(5, len(entries))
440 # First u-boot with padding before and after
441 self.assertIn('u-boot', entries)
442 entry = entries['u-boot']
443 self.assertEqual(0, entry.pos)
444 self.assertEqual(3, entry.pad_before)
445 self.assertEqual(3 + 5 + len(U_BOOT_DATA), entry.size)
447 # Second u-boot has an aligned size, but it has no effect
448 self.assertIn('u-boot-align-size-nop', entries)
449 entry = entries['u-boot-align-size-nop']
450 self.assertEqual(12, entry.pos)
451 self.assertEqual(4, entry.size)
453 # Third u-boot has an aligned size too
454 self.assertIn('u-boot-align-size', entries)
455 entry = entries['u-boot-align-size']
456 self.assertEqual(16, entry.pos)
457 self.assertEqual(32, entry.size)
459 # Fourth u-boot has an aligned end
460 self.assertIn('u-boot-align-end', entries)
461 entry = entries['u-boot-align-end']
462 self.assertEqual(48, entry.pos)
463 self.assertEqual(16, entry.size)
465 # Fifth u-boot immediately afterwards
466 self.assertIn('u-boot-align-both', entries)
467 entry = entries['u-boot-align-both']
468 self.assertEqual(64, entry.pos)
469 self.assertEqual(64, entry.size)
471 self.CheckNoGaps(entries)
472 self.assertEqual(128, image._size)
474 def testPackAlignPowerOf2(self):
475 """Test that invalid entry alignment is detected"""
476 with self.assertRaises(ValueError) as e:
477 self._DoTestFile('10_pack_align_power2.dts')
478 self.assertIn("Node '/binman/u-boot': Alignment 5 must be a power "
479 "of two", str(e.exception))
481 def testPackAlignSizePowerOf2(self):
482 """Test that invalid entry size alignment is detected"""
483 with self.assertRaises(ValueError) as e:
484 self._DoTestFile('11_pack_align_size_power2.dts')
485 self.assertIn("Node '/binman/u-boot': Alignment size 55 must be a "
486 "power of two", str(e.exception))
488 def testPackInvalidAlign(self):
489 """Test detection of an position that does not match its alignment"""
490 with self.assertRaises(ValueError) as e:
491 self._DoTestFile('12_pack_inv_align.dts')
492 self.assertIn("Node '/binman/u-boot': Position 0x5 (5) does not match "
493 "align 0x4 (4)", str(e.exception))
495 def testPackInvalidSizeAlign(self):
496 """Test that invalid entry size alignment is detected"""
497 with self.assertRaises(ValueError) as e:
498 self._DoTestFile('13_pack_inv_size_align.dts')
499 self.assertIn("Node '/binman/u-boot': Size 0x5 (5) does not match "
500 "align-size 0x4 (4)", str(e.exception))
502 def testPackOverlap(self):
503 """Test that overlapping regions are detected"""
504 with self.assertRaises(ValueError) as e:
505 self._DoTestFile('14_pack_overlap.dts')
506 self.assertIn("Node '/binman/u-boot-align': Position 0x3 (3) overlaps "
507 "with previous entry '/binman/u-boot' ending at 0x4 (4)",
510 def testPackEntryOverflow(self):
511 """Test that entries that overflow their size are detected"""
512 with self.assertRaises(ValueError) as e:
513 self._DoTestFile('15_pack_overflow.dts')
514 self.assertIn("Node '/binman/u-boot': Entry contents size is 0x4 (4) "
515 "but entry size is 0x3 (3)", str(e.exception))
517 def testPackImageOverflow(self):
518 """Test that entries which overflow the image size are detected"""
519 with self.assertRaises(ValueError) as e:
520 self._DoTestFile('16_pack_image_overflow.dts')
521 self.assertIn("Image '/binman': contents size 0x4 (4) exceeds image "
522 "size 0x3 (3)", str(e.exception))
524 def testPackImageSize(self):
525 """Test that the image size can be set"""
526 retcode = self._DoTestFile('17_pack_image_size.dts')
527 self.assertEqual(0, retcode)
528 self.assertIn('image', control.images)
529 image = control.images['image']
530 self.assertEqual(7, image._size)
532 def testPackImageSizeAlign(self):
533 """Test that image size alignemnt works as expected"""
534 retcode = self._DoTestFile('18_pack_image_align.dts')
535 self.assertEqual(0, retcode)
536 self.assertIn('image', control.images)
537 image = control.images['image']
538 self.assertEqual(16, image._size)
540 def testPackInvalidImageAlign(self):
541 """Test that invalid image alignment is detected"""
542 with self.assertRaises(ValueError) as e:
543 self._DoTestFile('19_pack_inv_image_align.dts')
544 self.assertIn("Image '/binman': Size 0x7 (7) does not match "
545 "align-size 0x8 (8)", str(e.exception))
547 def testPackAlignPowerOf2(self):
548 """Test that invalid image alignment is detected"""
549 with self.assertRaises(ValueError) as e:
550 self._DoTestFile('20_pack_inv_image_align_power2.dts')
551 self.assertIn("Image '/binman': Alignment size 131 must be a power of "
552 "two", str(e.exception))
554 def testImagePadByte(self):
555 """Test that the image pad byte can be specified"""
556 data = self._DoReadFile('21_image_pad.dts')
557 self.assertEqual(U_BOOT_SPL_DATA + (chr(0xff) * 9) + U_BOOT_DATA, data)
559 def testImageName(self):
560 """Test that image files can be named"""
561 retcode = self._DoTestFile('22_image_name.dts')
562 self.assertEqual(0, retcode)
563 image = control.images['image1']
564 fname = tools.GetOutputFilename('test-name')
565 self.assertTrue(os.path.exists(fname))
567 image = control.images['image2']
568 fname = tools.GetOutputFilename('test-name.xx')
569 self.assertTrue(os.path.exists(fname))
571 def testBlobFilename(self):
572 """Test that generic blobs can be provided by filename"""
573 data = self._DoReadFile('23_blob.dts')
574 self.assertEqual(BLOB_DATA, data)
576 def testPackSorted(self):
577 """Test that entries can be sorted"""
578 data = self._DoReadFile('24_sorted.dts')
579 self.assertEqual(chr(0) * 5 + U_BOOT_SPL_DATA + chr(0) * 2 +
582 def testPackZeroPosition(self):
583 """Test that an entry at position 0 is not given a new position"""
584 with self.assertRaises(ValueError) as e:
585 self._DoTestFile('25_pack_zero_size.dts')
586 self.assertIn("Node '/binman/u-boot-spl': Position 0x0 (0) overlaps "
587 "with previous entry '/binman/u-boot' ending at 0x4 (4)",
590 def testPackUbootDtb(self):
591 """Test that a device tree can be added to U-Boot"""
592 data = self._DoReadFile('26_pack_u_boot_dtb.dts')
593 self.assertEqual(U_BOOT_NODTB_DATA + U_BOOT_DTB_DATA, data)
595 def testPackX86RomNoSize(self):
596 """Test that the end-at-4gb property requires a size property"""
597 with self.assertRaises(ValueError) as e:
598 self._DoTestFile('27_pack_4gb_no_size.dts')
599 self.assertIn("Image '/binman': Image size must be provided when "
600 "using end-at-4gb", str(e.exception))
602 def testPackX86RomOutside(self):
603 """Test that the end-at-4gb property checks for position boundaries"""
604 with self.assertRaises(ValueError) as e:
605 self._DoTestFile('28_pack_4gb_outside.dts')
606 self.assertIn("Node '/binman/u-boot': Position 0x0 (0) is outside "
607 "the image starting at 0xfffffff0 (4294967280)",
610 def testPackX86Rom(self):
611 """Test that a basic x86 ROM can be created"""
612 data = self._DoReadFile('29_x86-rom.dts')
613 self.assertEqual(U_BOOT_DATA + chr(0) * 3 + U_BOOT_SPL_DATA +
616 def testPackX86RomMeNoDesc(self):
617 """Test that an invalid Intel descriptor entry is detected"""
618 TestFunctional._MakeInputFile('descriptor.bin', '')
619 with self.assertRaises(ValueError) as e:
620 self._DoTestFile('31_x86-rom-me.dts')
621 self.assertIn("Node '/binman/intel-descriptor': Cannot find FD "
622 "signature", str(e.exception))
624 def testPackX86RomBadDesc(self):
625 """Test that the Intel requires a descriptor entry"""
626 with self.assertRaises(ValueError) as e:
627 self._DoTestFile('30_x86-rom-me-no-desc.dts')
628 self.assertIn("Node '/binman/intel-me': No position set with "
629 "pos-unset: should another entry provide this correct "
630 "position?", str(e.exception))
632 def testPackX86RomMe(self):
633 """Test that an x86 ROM with an ME region can be created"""
634 data = self._DoReadFile('31_x86-rom-me.dts')
635 self.assertEqual(ME_DATA, data[0x1000:0x1000 + len(ME_DATA)])
637 def testPackVga(self):
638 """Test that an image with a VGA binary can be created"""
639 data = self._DoReadFile('32_intel-vga.dts')
640 self.assertEqual(VGA_DATA, data[:len(VGA_DATA)])
642 def testPackStart16(self):
643 """Test that an image with an x86 start16 region can be created"""
644 data = self._DoReadFile('33_x86-start16.dts')
645 self.assertEqual(X86_START16_DATA, data[:len(X86_START16_DATA)])
647 def testPackUbootMicrocode(self):
648 """Test that x86 microcode can be handled correctly
650 We expect to see the following in the image, in order:
651 u-boot-nodtb.bin with a microcode pointer inserted at the correct
653 u-boot.dtb with the microcode removed
656 data = self._DoReadFile('34_x86_ucode.dts', True)
658 # Now check the device tree has no microcode
659 second = data[len(U_BOOT_NODTB_DATA):]
660 fname = tools.GetOutputFilename('test.dtb')
661 with open(fname, 'wb') as fd:
663 dtb = fdt.FdtScan(fname)
664 ucode = dtb.GetNode('/microcode')
665 self.assertTrue(ucode)
666 for node in ucode.subnodes:
667 self.assertFalse(node.props.get('data'))
669 fdt_len = self.GetFdtLen(second)
670 third = second[fdt_len:]
672 # Check that the microcode appears immediately after the Fdt
673 # This matches the concatenation of the data properties in
674 # the /microcode/update@xxx nodes in x86_ucode.dts.
675 ucode_data = struct.pack('>4L', 0x12345678, 0x12345679, 0xabcd0000,
677 self.assertEqual(ucode_data, third[:len(ucode_data)])
678 ucode_pos = len(U_BOOT_NODTB_DATA) + fdt_len
680 # Check that the microcode pointer was inserted. It should match the
681 # expected position and size
682 pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos,
684 first = data[:len(U_BOOT_NODTB_DATA)]
685 self.assertEqual('nodtb with microcode' + pos_and_size +
686 ' somewhere in here', first)
688 def _RunPackUbootSingleMicrocode(self):
689 """Test that x86 microcode can be handled correctly
691 We expect to see the following in the image, in order:
692 u-boot-nodtb.bin with a microcode pointer inserted at the correct
694 u-boot.dtb with the microcode
695 an empty microcode region
697 # We need the libfdt library to run this test since only that allows
698 # finding the offset of a property. This is required by
699 # Entry_u_boot_dtb_with_ucode.ObtainContents().
700 data = self._DoReadFile('35_x86_single_ucode.dts', True)
702 second = data[len(U_BOOT_NODTB_DATA):]
704 fdt_len = self.GetFdtLen(second)
705 third = second[fdt_len:]
706 second = second[:fdt_len]
708 ucode_data = struct.pack('>2L', 0x12345678, 0x12345679)
709 self.assertIn(ucode_data, second)
710 ucode_pos = second.find(ucode_data) + len(U_BOOT_NODTB_DATA)
712 # Check that the microcode pointer was inserted. It should match the
713 # expected position and size
714 pos_and_size = struct.pack('<2L', 0xfffffe00 + ucode_pos,
716 first = data[:len(U_BOOT_NODTB_DATA)]
717 self.assertEqual('nodtb with microcode' + pos_and_size +
718 ' somewhere in here', first)
720 def testPackUbootSingleMicrocode(self):
721 """Test that x86 microcode can be handled correctly with fdt_normal.
723 self._RunPackUbootSingleMicrocode()
725 def testUBootImg(self):
726 """Test that u-boot.img can be put in a file"""
727 data = self._DoReadFile('36_u_boot_img.dts')
728 self.assertEqual(U_BOOT_IMG_DATA, data)
730 def testNoMicrocode(self):
731 """Test that a missing microcode region is detected"""
732 with self.assertRaises(ValueError) as e:
733 self._DoReadFile('37_x86_no_ucode.dts', True)
734 self.assertIn("Node '/binman/u-boot-dtb-with-ucode': No /microcode "
735 "node found in ", str(e.exception))
737 def testMicrocodeWithoutNode(self):
738 """Test that a missing u-boot-dtb-with-ucode node is detected"""
739 with self.assertRaises(ValueError) as e:
740 self._DoReadFile('38_x86_ucode_missing_node.dts', True)
741 self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find "
742 "microcode region u-boot-dtb-with-ucode", str(e.exception))
744 def testMicrocodeWithoutNode2(self):
745 """Test that a missing u-boot-ucode node is detected"""
746 with self.assertRaises(ValueError) as e:
747 self._DoReadFile('39_x86_ucode_missing_node2.dts', True)
748 self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot find "
749 "microcode region u-boot-ucode", str(e.exception))
751 def testMicrocodeWithoutPtrInElf(self):
752 """Test that a U-Boot binary without the microcode symbol is detected"""
753 # ELF file without a '_dt_ucode_base_size' symbol
755 with open(self.TestFile('u_boot_no_ucode_ptr')) as fd:
756 TestFunctional._MakeInputFile('u-boot', fd.read())
758 with self.assertRaises(ValueError) as e:
759 self._RunPackUbootSingleMicrocode()
760 self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Cannot locate "
761 "_dt_ucode_base_size symbol in u-boot", str(e.exception))
764 # Put the original file back
765 with open(self.TestFile('u_boot_ucode_ptr')) as fd:
766 TestFunctional._MakeInputFile('u-boot', fd.read())
768 def testMicrocodeNotInImage(self):
769 """Test that microcode must be placed within the image"""
770 with self.assertRaises(ValueError) as e:
771 self._DoReadFile('40_x86_ucode_not_in_image.dts', True)
772 self.assertIn("Node '/binman/u-boot-with-ucode-ptr': Microcode "
773 "pointer _dt_ucode_base_size at fffffe14 is outside the "
774 "image ranging from 00000000 to 0000002e", str(e.exception))
776 def testWithoutMicrocode(self):
777 """Test that we can cope with an image without microcode (e.g. qemu)"""
778 with open(self.TestFile('u_boot_no_ucode_ptr')) as fd:
779 TestFunctional._MakeInputFile('u-boot', fd.read())
780 data, dtb = self._DoReadFileDtb('44_x86_optional_ucode.dts', True)
782 # Now check the device tree has no microcode
783 self.assertEqual(U_BOOT_NODTB_DATA, data[:len(U_BOOT_NODTB_DATA)])
784 second = data[len(U_BOOT_NODTB_DATA):]
786 fdt_len = self.GetFdtLen(second)
787 self.assertEqual(dtb, second[:fdt_len])
789 used_len = len(U_BOOT_NODTB_DATA) + fdt_len
790 third = data[used_len:]
791 self.assertEqual(chr(0) * (0x200 - used_len), third)
793 def testUnknownPosSize(self):
794 """Test that microcode must be placed within the image"""
795 with self.assertRaises(ValueError) as e:
796 self._DoReadFile('41_unknown_pos_size.dts', True)
797 self.assertIn("Image '/binman': Unable to set pos/size for unknown "
798 "entry 'invalid-entry'", str(e.exception))
800 def testPackFsp(self):
801 """Test that an image with a FSP binary can be created"""
802 data = self._DoReadFile('42_intel-fsp.dts')
803 self.assertEqual(FSP_DATA, data[:len(FSP_DATA)])
805 def testPackCmc(self):
806 """Test that an image with a CMC binary can be created"""
807 data = self._DoReadFile('43_intel-cmc.dts')
808 self.assertEqual(CMC_DATA, data[:len(CMC_DATA)])
810 def testPackVbt(self):
811 """Test that an image with a VBT binary can be created"""
812 data = self._DoReadFile('46_intel-vbt.dts')
813 self.assertEqual(VBT_DATA, data[:len(VBT_DATA)])