2 # Copyright (c) 2016 Google, Inc
3 # Written by Simon Glass <sjg@chromium.org>
5 # SPDX-License-Identifier: GPL-2.0+
7 # Test for the fdt modules
15 from fdt import FdtScan
19 class TestFdt(unittest.TestCase):
22 self._binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
23 self._indir = tempfile.mkdtemp(prefix='binmant.')
24 tools.PrepareOutputDir(self._indir, True)
26 def TestFile(self, fname):
27 return os.path.join(self._binman_dir, 'test', fname)
29 def GetCompiled(self, fname):
30 return fdt_util.EnsureCompiled(self.TestFile(fname))
32 def _DeleteProp(self, dt):
33 node = dt.GetNode('/microcode/update@0')
34 node.DeleteProp('data')
36 def testFdtNormal(self):
37 fname = self.GetCompiled('34_x86_ucode.dts')
41 def testFdtNormalProp(self):
42 fname = self.GetCompiled('45_prop_test.dts')
44 node = dt.GetNode('/binman/intel-me')
45 self.assertEquals('intel-me', node.name)
46 val = fdt_util.GetString(node, 'filename')
47 self.assertEquals(str, type(val))
48 self.assertEquals('me.bin', val)
50 prop = node.props['intval']
51 self.assertEquals(fdt.TYPE_INT, prop.type)
52 self.assertEquals(3, fdt_util.GetInt(node, 'intval'))
54 prop = node.props['intarray']
55 self.assertEquals(fdt.TYPE_INT, prop.type)
56 self.assertEquals(list, type(prop.value))
57 self.assertEquals(2, len(prop.value))
58 self.assertEquals([5, 6],
59 [fdt_util.fdt32_to_cpu(val) for val in prop.value])
61 prop = node.props['byteval']
62 self.assertEquals(fdt.TYPE_BYTE, prop.type)
63 self.assertEquals(chr(8), prop.value)
65 prop = node.props['bytearray']
66 self.assertEquals(fdt.TYPE_BYTE, prop.type)
67 self.assertEquals(list, type(prop.value))
68 self.assertEquals(str, type(prop.value[0]))
69 self.assertEquals(3, len(prop.value))
70 self.assertEquals([chr(1), '#', '4'], prop.value)
72 prop = node.props['longbytearray']
73 self.assertEquals(fdt.TYPE_INT, prop.type)
74 self.assertEquals(0x090a0b0c, fdt_util.GetInt(node, 'longbytearray'))
76 prop = node.props['stringval']
77 self.assertEquals(fdt.TYPE_STRING, prop.type)
78 self.assertEquals('message2', fdt_util.GetString(node, 'stringval'))
80 prop = node.props['stringarray']
81 self.assertEquals(fdt.TYPE_STRING, prop.type)
82 self.assertEquals(list, type(prop.value))
83 self.assertEquals(3, len(prop.value))
84 self.assertEquals(['another', 'multi-word', 'message'], prop.value)