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