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binman: Support expanding entries

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It is useful to have entries which can grow automatically to fill
available space. Add support for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2018-09-14 04:57:29 -06:00
parent 0a98b28b06
commit ba64a0bbb7
8 changed files with 136 additions and 2 deletions
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29
tools/binman/ftest.py
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@@ -1579,6 +1579,35 @@ class TestFunctional(unittest.TestCase):
self.assertIn("Node '/binman/files': Missing 'pattern' property",
str(e.exception))
def testExpandSize(self):
"""Test an expanding entry"""
data, _, map_data, _ = self._DoReadFileDtb('88_expand_size.dts',
map=True)
expect = ('a' * 8 + U_BOOT_DATA +
MRC_DATA + 'b' * 1 + U_BOOT_DATA +
'c' * 8 + U_BOOT_DATA +
'd' * 8)
self.assertEqual(expect, data)
self.assertEqual('''ImagePos Offset Size Name
00000000 00000000 00000028 main-section
00000000 00000000 00000008 fill
00000008 00000008 00000004 u-boot
0000000c 0000000c 00000004 section
0000000c 00000000 00000003 intel-mrc
00000010 00000010 00000004 u-boot2
00000014 00000014 0000000c section2
00000014 00000000 00000008 fill
0000001c 00000008 00000004 u-boot
00000020 00000020 00000008 fill2
''', map_data)
def testExpandSizeBad(self):
"""Test an expanding entry which fails to provide contents"""
with self.assertRaises(ValueError) as e:
self._DoReadFileDtb('89_expand_size_bad.dts', map=True)
self.assertIn("Node '/binman/_testing': Cannot obtain contents when "
'expanding entry', str(e.exception))
if __name__ == "__main__":
unittest.main()