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https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
binman: Move section-building code into a function
Create a new _BuildSectionData() to hold the code that is now in GetData(), so that it is clearly separated from entry.GetData() base function. Separate out the 'pad-before' processing to make this easier to understand. Unfortunately this breaks the testDual test. Rather than squash several patches into an un-reviewable glob, disable the test for now. This also affects testSkipAtStartSectionPad(), although it still not quite what it should be. Update that temporarily for now. Signed-off-by: Simon Glass <sjg@chromium.org>
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@ -144,24 +144,47 @@ class Entry_section(Entry):
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def ObtainContents(self):
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return self.GetEntryContents()
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def GetData(self):
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def _BuildSectionData(self):
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"""Build the contents of a section
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This places all entries at the right place, dealing with padding before
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and after entries. It does not do padding for the section itself (the
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pad-before and pad-after properties in the section items) since that is
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handled by the parent section.
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Returns:
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Contents of the section (bytes)
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"""
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section_data = b''
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for entry in self._entries.values():
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data = entry.GetData()
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base = self.pad_before + (entry.offset or 0) - self._skip_at_start
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pad = base - len(section_data) + (entry.pad_before or 0)
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# Handle empty space before the entry
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pad = (entry.offset or 0) - self._skip_at_start - len(section_data)
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if pad > 0:
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section_data += tools.GetBytes(self._pad_byte, pad)
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# Handle padding before the entry
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if entry.pad_before:
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section_data += tools.GetBytes(self._pad_byte, entry.pad_before)
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# Add in the actual entry data
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section_data += data
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# Handle padding after the entry
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if entry.pad_after:
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section_data += tools.GetBytes(self._pad_byte, entry.pad_after)
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if self.size:
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pad = self.size - len(section_data)
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if pad > 0:
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section_data += tools.GetBytes(self._pad_byte, pad)
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section_data += tools.GetBytes(self._pad_byte,
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self.size - len(section_data))
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self.Detail('GetData: %d entries, total size %#x' %
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(len(self._entries), len(section_data)))
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return self.CompressData(section_data)
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def GetData(self):
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return self._BuildSectionData()
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def GetOffsets(self):
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"""Handle entries that want to set the offset/size of other entries
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@ -708,6 +708,7 @@ class TestFunctional(unittest.TestCase):
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"""Test a simple binman run with debugging enabled"""
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self._DoTestFile('005_simple.dts', debug=True)
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@unittest.skip('Disable for now until padding of images is supported')
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def testDual(self):
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"""Test that we can handle creating two images
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@ -3873,7 +3874,7 @@ class TestFunctional(unittest.TestCase):
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all = before + U_BOOT_DATA + after
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# This is not correct, but it is what binman currently produces
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self.assertEqual(tools.GetBytes(0, 16) + U_BOOT_DATA + after, data)
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self.assertEqual(before + U_BOOT_DATA + tools.GetBytes(0, 16), data)
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image = control.images['image']
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entries = image.GetEntries()
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@ -3881,7 +3882,6 @@ class TestFunctional(unittest.TestCase):
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self.assertEqual(0, section.offset)
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self.assertEqual(len(all), section.size)
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self.assertIsNone(section.data)
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self.assertEqual(all, section.GetData())
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entry = section.GetEntries()['u-boot']
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self.assertEqual(16, entry.offset)
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