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binman: Add a new "skip-at-start" property in Section class

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Currently binman calculates '_skip_at_start' based on 'end-at-4gb'
property and it is used for x86 images.

For PowerPC mpc85xx based CPU, CONFIG_SYS_TEXT_BASE is the entry
offset of the first entry. It can be 0xeff40000 or 0xfff40000 for
nor flash boot, 0x201000 for sd boot etc, so "_skip_at_start"
should be set to CONFIG_SYS_TEXT_BASE.

'end-at-4gb' property is not applicable where CONFIG_SYS_TEXT_BASE +
Image size != 4gb.

Add new property 'skip-at-start' in Section class so that
'_skip_at_start' can be calculated either based on 'end-at-4gb'
or based on "skip-at-start".

Add a test case to check that 'skip-at-start' and 'end-at-4gb'
property can't be used together.

Signed-off-by: Jagdish Gediya <jagdish.gediya@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Jagdish Gediya
2018-09-03 21:35:07 +05:30
committed by York Sun
parent 7d7a8e99e4
commit 94b57db069
4 changed files with 49 additions and 4 deletions
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8
tools/binman/ftest.py
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@@ -711,6 +711,14 @@ class TestFunctional(unittest.TestCase):
self.assertIn("Section '/binman': Section size must be provided when "
"using end-at-4gb", str(e.exception))
def test4gbAndSkipAtStartTogether(self):
"""Test that the end-at-4gb and skip-at-size property can't be used
together"""
with self.assertRaises(ValueError) as e:
self._DoTestFile('80_4gb_and_skip_at_start_together.dts')
self.assertIn("Section '/binman': Provide either 'end-at-4gb' or "
"'skip-at-start'", str(e.exception))
def testPackX86RomOutside(self):
"""Test that the end-at-4gb property checks for offset boundaries"""
with self.assertRaises(ValueError) as e: