#
# 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'
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)
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)
if __name__ == "__main__":
unittest.main()