binman: Add basic entry types for U-Boot

Add entries to support some standard U-Boot binaries, such as u-boot.bin,
u-boot.dtb, etc. Also add some tests for these.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Bin Meng <bmeng.cn@gmail.com>

34 files changed, 1080 insertions, 0 deletions

diff --git a/tools/binman/entry_test.py b/tools/binman/entry_test.py
new file mode 100644
index 0000000..8a9ae01
--- /dev/null
+++ b/tools/binman/entry_test.py
@@ -0,0 +1,27 @@
+#
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Test for the Entry class
+
+import collections
+import unittest
+
+import entry
+
+class TestEntry(unittest.TestCase):
+    def testEntryContents(self):
+        """Test the Entry bass class"""
+        base_entry = entry.Entry(None, None, None, read_node=False)
+        self.assertEqual(True, base_entry.ObtainContents())
+
+    def testUnknownEntry(self):
+        """Test that unknown entry types are detected"""
+        Node = collections.namedtuple('Node', ['name', 'path'])
+        node = Node('invalid-name', 'invalid-path')
+        with self.assertRaises(ValueError) as e:
+            entry.Entry.Create(None, node, node.name)
+        self.assertIn("Unknown entry type 'invalid-name' in node "
+                      "'invalid-path'", str(e.exception))
diff --git a/tools/binman/etype/_testing.py b/tools/binman/etype/_testing.py
new file mode 100644
index 0000000..1783098
--- /dev/null
+++ b/tools/binman/etype/_testing.py
@@ -0,0 +1,26 @@
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for testing purposes. Not used in real images.
+#
+
+from entry import Entry
+import fdt_util
+import tools
+
+class Entry__testing(Entry):
+    def __init__(self, image, etype, node):
+        Entry.__init__(self, image, etype, node)
+
+    def ObtainContents(self):
+        self.data = 'a'
+        self.contents_size = len(self.data)
+        return True
+
+    def ReadContents(self):
+        return True
+
+    def GetPositions(self):
+        return {'invalid-entry': [1, 2]}
diff --git a/tools/binman/etype/blob.py b/tools/binman/etype/blob.py
new file mode 100644
index 0000000..def2164
--- /dev/null
+++ b/tools/binman/etype/blob.py
@@ -0,0 +1,37 @@
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for blobs, which are binary objects read from files
+#
+
+from entry import Entry
+import fdt_util
+import tools
+
+class Entry_blob(Entry):
+    def __init__(self, image, etype, node):
+        Entry.__init__(self, image, etype, node)
+        self._filename = fdt_util.GetString(self._node, "filename", self.etype)
+
+    def ObtainContents(self):
+        self._filename = self.GetDefaultFilename()
+        self._pathname = tools.GetInputFilename(self._filename)
+        self.ReadContents()
+        return True
+
+    def ReadContents(self):
+        with open(self._pathname) as fd:
+            # We assume the data is small enough to fit into memory. If this
+            # is used for large filesystem image that might not be true.
+            # In that case, Image.BuildImage() could be adjusted to use a
+            # new Entry method which can read in chunks. Then we could copy
+            # the data in chunks and avoid reading it all at once. For now
+            # this seems like an unnecessary complication.
+            self.data = fd.read()
+            self.contents_size = len(self.data)
+        return True
+
+    def GetDefaultFilename(self):
+        return self._filename
diff --git a/tools/binman/etype/u_boot.py b/tools/binman/etype/u_boot.py
new file mode 100644
index 0000000..1fcff73
--- /dev/null
+++ b/tools/binman/etype/u_boot.py
@@ -0,0 +1,17 @@
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for U-Boot binary
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_u_boot(Entry_blob):
+    def __init__(self, image, etype, node):
+        Entry_blob.__init__(self, image, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'u-boot.bin'
diff --git a/tools/binman/etype/u_boot_dtb.py b/tools/binman/etype/u_boot_dtb.py
new file mode 100644
index 0000000..1122c95
--- /dev/null
+++ b/tools/binman/etype/u_boot_dtb.py
@@ -0,0 +1,17 @@
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for U-Boot device tree
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_u_boot_dtb(Entry_blob):
+    def __init__(self, image, etype, node):
+        Entry_blob.__init__(self, image, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'u-boot.dtb'
diff --git a/tools/binman/etype/u_boot_nodtb.py b/tools/binman/etype/u_boot_nodtb.py
new file mode 100644
index 0000000..3721c3b
--- /dev/null
+++ b/tools/binman/etype/u_boot_nodtb.py
@@ -0,0 +1,17 @@
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for 'u-boot-nodtb.bin'
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_u_boot_nodtb(Entry_blob):
+    def __init__(self, image, etype, node):
+        Entry_blob.__init__(self, image, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'u-boot-nodtb.bin'
diff --git a/tools/binman/etype/u_boot_spl.py b/tools/binman/etype/u_boot_spl.py
new file mode 100644
index 0000000..68b0148
--- /dev/null
+++ b/tools/binman/etype/u_boot_spl.py
@@ -0,0 +1,17 @@
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for spl/u-boot-spl.bin
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_u_boot_spl(Entry_blob):
+    def __init__(self, image, etype, node):
+        Entry_blob.__init__(self, image, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'spl/u-boot-spl.bin'
diff --git a/tools/binman/func_test.py b/tools/binman/func_test.py
new file mode 100644
index 0000000..bf6e9ed
--- /dev/null
+++ b/tools/binman/func_test.py
@@ -0,0 +1,542 @@
+#
+# 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'
+
+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('u-boot.dtb', U_BOOT_DTB_DATA)
+        TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA)
+        self._output_setup = False
+
+    @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'):
+        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)
+
+    def _DoReadFile(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.
+        """
+        # Use the compiled test file as the u-boot-dtb input
+        if use_real_dtb:
+            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()
+        finally:
+            # Put the test file back
+            if use_real_dtb:
+                TestFunctional._MakeInputFile('u-boot.dtb', U_BOOT_DTB_DATA)
+
+    @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 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)
diff --git a/tools/binman/test/01_invalid.dts b/tools/binman/test/01_invalid.dts
new file mode 100644
index 0000000..7d00455
--- /dev/null
+++ b/tools/binman/test/01_invalid.dts
@@ -0,0 +1,5 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
diff --git a/tools/binman/test/02_missing_node.dts b/tools/binman/test/02_missing_node.dts
new file mode 100644
index 0000000..3a51ec2
--- /dev/null
+++ b/tools/binman/test/02_missing_node.dts
@@ -0,0 +1,6 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+};
diff --git a/tools/binman/test/03_empty.dts b/tools/binman/test/03_empty.dts
new file mode 100644
index 0000000..493c9a0
--- /dev/null
+++ b/tools/binman/test/03_empty.dts
@@ -0,0 +1,9 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+	};
+};
diff --git a/tools/binman/test/04_invalid_entry.dts b/tools/binman/test/04_invalid_entry.dts
new file mode 100644
index 0000000..b043455
--- /dev/null
+++ b/tools/binman/test/04_invalid_entry.dts
@@ -0,0 +1,11 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		not-a-valid-type {
+		};
+	};
+};
diff --git a/tools/binman/test/05_simple.dts b/tools/binman/test/05_simple.dts
new file mode 100644
index 0000000..3771aa2
--- /dev/null
+++ b/tools/binman/test/05_simple.dts
@@ -0,0 +1,11 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+		};
+	};
+};
diff --git a/tools/binman/test/06_dual_image.dts b/tools/binman/test/06_dual_image.dts
new file mode 100644
index 0000000..78be16f
--- /dev/null
+++ b/tools/binman/test/06_dual_image.dts
@@ -0,0 +1,22 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		multiple-images;
+		image1 {
+			u-boot {
+			};
+		};
+
+		image2 {
+			pad-before = <3>;
+			pad-after = <5>;
+
+			u-boot {
+			};
+		};
+	};
+};
diff --git a/tools/binman/test/07_bad_align.dts b/tools/binman/test/07_bad_align.dts
new file mode 100644
index 0000000..123bb13
--- /dev/null
+++ b/tools/binman/test/07_bad_align.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			align = <23>;
+		};
+	};
+};
diff --git a/tools/binman/test/08_pack.dts b/tools/binman/test/08_pack.dts
new file mode 100644
index 0000000..dc63d99
--- /dev/null
+++ b/tools/binman/test/08_pack.dts
@@ -0,0 +1,30 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+		};
+
+		u-boot-align {
+			type = "u-boot";
+			align = <16>;
+		};
+
+		u-boot-size {
+			type = "u-boot";
+			size = <23>;
+		};
+
+		u-boot-next {
+			type = "u-boot";
+		};
+
+		u-boot-fixed {
+			type = "u-boot";
+			pos = <61>;
+		};
+	};
+};
diff --git a/tools/binman/test/09_pack_extra.dts b/tools/binman/test/09_pack_extra.dts
new file mode 100644
index 0000000..0765707
--- /dev/null
+++ b/tools/binman/test/09_pack_extra.dts
@@ -0,0 +1,35 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			pad-before = <3>;
+			pad-after = <5>;
+		};
+
+		u-boot-align-size-nop {
+			type = "u-boot";
+			align-size = <4>;
+		};
+
+		u-boot-align-size {
+			type = "u-boot";
+			align = <16>;
+			align-size = <32>;
+		};
+
+		u-boot-align-end {
+			type = "u-boot";
+			align-end = <64>;
+		};
+
+		u-boot-align-both {
+			type = "u-boot";
+			align= <64>;
+			align-end = <128>;
+		};
+	};
+};
diff --git a/tools/binman/test/10_pack_align_power2.dts b/tools/binman/test/10_pack_align_power2.dts
new file mode 100644
index 0000000..8f6253a
--- /dev/null
+++ b/tools/binman/test/10_pack_align_power2.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			align = <5>;
+		};
+	};
+};
diff --git a/tools/binman/test/11_pack_align_size_power2.dts b/tools/binman/test/11_pack_align_size_power2.dts
new file mode 100644
index 0000000..04f7672
--- /dev/null
+++ b/tools/binman/test/11_pack_align_size_power2.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			align-size = <55>;
+		};
+	};
+};
diff --git a/tools/binman/test/12_pack_inv_align.dts b/tools/binman/test/12_pack_inv_align.dts
new file mode 100644
index 0000000..1d9d80a
--- /dev/null
+++ b/tools/binman/test/12_pack_inv_align.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			pos = <5>;
+			align = <4>;
+		};
+	};
+};
diff --git a/tools/binman/test/13_pack_inv_size_align.dts b/tools/binman/test/13_pack_inv_size_align.dts
new file mode 100644
index 0000000..dfafa13
--- /dev/null
+++ b/tools/binman/test/13_pack_inv_size_align.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			size = <5>;
+			align-size = <4>;
+		};
+	};
+};
diff --git a/tools/binman/test/14_pack_overlap.dts b/tools/binman/test/14_pack_overlap.dts
new file mode 100644
index 0000000..611cfd9
--- /dev/null
+++ b/tools/binman/test/14_pack_overlap.dts
@@ -0,0 +1,16 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+		};
+
+		u-boot-align {
+			type = "u-boot";
+			pos = <3>;
+		};
+	};
+};
diff --git a/tools/binman/test/15_pack_overflow.dts b/tools/binman/test/15_pack_overflow.dts
new file mode 100644
index 0000000..6f65433
--- /dev/null
+++ b/tools/binman/test/15_pack_overflow.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+			size = <3>;
+		};
+	};
+};
diff --git a/tools/binman/test/16_pack_image_overflow.dts b/tools/binman/test/16_pack_image_overflow.dts
new file mode 100644
index 0000000..6ae66f3
--- /dev/null
+++ b/tools/binman/test/16_pack_image_overflow.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		size = <3>;
+
+		u-boot {
+		};
+	};
+};
diff --git a/tools/binman/test/17_pack_image_size.dts b/tools/binman/test/17_pack_image_size.dts
new file mode 100644
index 0000000..2360eb5
--- /dev/null
+++ b/tools/binman/test/17_pack_image_size.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		size = <7>;
+
+		u-boot {
+		};
+	};
+};
diff --git a/tools/binman/test/18_pack_image_align.dts b/tools/binman/test/18_pack_image_align.dts
new file mode 100644
index 0000000..16cd2a4
--- /dev/null
+++ b/tools/binman/test/18_pack_image_align.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		align-size = <16>;
+
+		u-boot {
+		};
+	};
+};
diff --git a/tools/binman/test/19_pack_inv_image_align.dts b/tools/binman/test/19_pack_inv_image_align.dts
new file mode 100644
index 0000000..e5ee87b
--- /dev/null
+++ b/tools/binman/test/19_pack_inv_image_align.dts
@@ -0,0 +1,14 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		size = <7>;
+		align-size = <8>;
+
+		u-boot {
+		};
+	};
+};
diff --git a/tools/binman/test/20_pack_inv_image_align_power2.dts b/tools/binman/test/20_pack_inv_image_align_power2.dts
new file mode 100644
index 0000000..a428c4b
--- /dev/null
+++ b/tools/binman/test/20_pack_inv_image_align_power2.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		align-size = <131>;
+
+		u-boot {
+		};
+	};
+};
diff --git a/tools/binman/test/21_image_pad.dts b/tools/binman/test/21_image_pad.dts
new file mode 100644
index 0000000..daf8385
--- /dev/null
+++ b/tools/binman/test/21_image_pad.dts
@@ -0,0 +1,16 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		pad-byte = <0xff>;
+		u-boot-spl {
+		};
+
+		u-boot {
+			pos = <12>;
+		};
+	};
+};
diff --git a/tools/binman/test/22_image_name.dts b/tools/binman/test/22_image_name.dts
new file mode 100644
index 0000000..94fc069
--- /dev/null
+++ b/tools/binman/test/22_image_name.dts
@@ -0,0 +1,21 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		multiple-images;
+		image1 {
+			filename = "test-name";
+			u-boot {
+			};
+		};
+
+		image2 {
+			filename = "test-name.xx";
+			u-boot {
+			};
+		};
+	};
+};
diff --git a/tools/binman/test/23_blob.dts b/tools/binman/test/23_blob.dts
new file mode 100644
index 0000000..7dcff69
--- /dev/null
+++ b/tools/binman/test/23_blob.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		blob {
+			filename = "blobfile";
+		};
+	};
+};
diff --git a/tools/binman/test/24_sorted.dts b/tools/binman/test/24_sorted.dts
new file mode 100644
index 0000000..9f4151c
--- /dev/null
+++ b/tools/binman/test/24_sorted.dts
@@ -0,0 +1,17 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		sort-by-pos;
+		u-boot {
+			pos = <10>;
+		};
+
+		u-boot-spl {
+			pos = <5>;
+		};
+	};
+};
diff --git a/tools/binman/test/25_pack_zero_size.dts b/tools/binman/test/25_pack_zero_size.dts
new file mode 100644
index 0000000..7d2baad
--- /dev/null
+++ b/tools/binman/test/25_pack_zero_size.dts
@@ -0,0 +1,15 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot {
+		};
+
+		u-boot-spl {
+			pos = <0>;
+		};
+	};
+};
diff --git a/tools/binman/test/26_pack_u_boot_dtb.dts b/tools/binman/test/26_pack_u_boot_dtb.dts
new file mode 100644
index 0000000..2707a73
--- /dev/null
+++ b/tools/binman/test/26_pack_u_boot_dtb.dts
@@ -0,0 +1,14 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot-nodtb {
+		};
+
+		u-boot-dtb {
+		};
+	};
+};