diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/binman/binman.rst | 7 | ||||
| -rw-r--r-- | tools/binman/entry.py | 1 | ||||
| -rw-r--r-- | tools/binman/etype/blob.py | 7 | ||||
| -rw-r--r-- | tools/binman/ftest.py | 28 | ||||
| -rw-r--r-- | tools/binman/test/326_assume_size.dts | 16 | ||||
| -rw-r--r-- | tools/binman/test/327_assume_size_ok.dts | 16 |
6 files changed, 74 insertions, 1 deletions
diff --git a/tools/binman/binman.rst b/tools/binman/binman.rst index 230e055..872e974 100644 --- a/tools/binman/binman.rst +++ b/tools/binman/binman.rst @@ -711,6 +711,13 @@ missing-msg: information about what needs to be fixed. See missing-blob-help for the message for each tag. +assume-size: + Sets the assumed size of a blob entry if it is missing. This allows for a + check that the rest of the image fits into the available space, even when + the contents are not available. If the entry is missing, Binman will use + this assumed size for the entry size, including creating a fake file of that + size if requested. + no-expanded: By default binman substitutes entries with expanded versions if available, so that a `u-boot` entry type turns into `u-boot-expanded`, for example. The diff --git a/tools/binman/entry.py b/tools/binman/entry.py index 2ed6580..219d5dc 100644 --- a/tools/binman/entry.py +++ b/tools/binman/entry.py @@ -315,6 +315,7 @@ class Entry(object): self.overlap = fdt_util.GetBool(self._node, 'overlap') if self.overlap: self.required_props += ['offset', 'size'] + self.assume_size = fdt_util.GetInt(self._node, 'assume-size', 0) # This is only supported by blobs and sections at present self.compress = fdt_util.GetString(self._node, 'compress', 'none') diff --git a/tools/binman/etype/blob.py b/tools/binman/etype/blob.py index 064fae5..041e112 100644 --- a/tools/binman/etype/blob.py +++ b/tools/binman/etype/blob.py @@ -48,11 +48,16 @@ class Entry_blob(Entry): self.external and (self.optional or self.section.GetAllowMissing())) # Allow the file to be missing if not self._pathname: + if not fake_size and self.assume_size: + fake_size = self.assume_size self._pathname, faked = self.check_fake_fname(self._filename, fake_size) self.missing = True if not faked: - self.SetContents(b'') + content_size = 0 + if self.assume_size: # Ensure we get test coverage on next line + content_size = self.assume_size + self.SetContents(tools.get_bytes(0, content_size)) return True self.ReadBlobContents() diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py index 567849b..e4da040 100644 --- a/tools/binman/ftest.py +++ b/tools/binman/ftest.py @@ -7460,5 +7460,33 @@ fdt fdtmap Extract the devicetree blob from the fdtmap with self.assertRaises(ValueError) as e: self._DoReadFile('323_capsule_accept_revert_missing.dts') + def test_assume_size(self): + """Test handling of the assume-size property for external blob""" + with self.assertRaises(ValueError) as e: + self._DoTestFile('326_assume_size.dts', allow_missing=True, + allow_fake_blobs=True) + self.assertIn("contents size 0xa (10) exceeds section size 0x9 (9)", + str(e.exception)) + + def test_assume_size_ok(self): + """Test handling of the assume-size where it fits OK""" + with test_util.capture_sys_output() as (stdout, stderr): + self._DoTestFile('327_assume_size_ok.dts', allow_missing=True, + allow_fake_blobs=True) + err = stderr.getvalue() + self.assertRegex( + err, + "Image '.*' has faked external blobs and is non-functional: .*") + + def test_assume_size_no_fake(self): + """Test handling of the assume-size where it fits OK""" + with test_util.capture_sys_output() as (stdout, stderr): + self._DoTestFile('327_assume_size_ok.dts', allow_missing=True) + err = stderr.getvalue() + self.assertRegex( + err, + "Image '.*' is missing external blobs and is non-functional: .*") + + if __name__ == "__main__": unittest.main() diff --git a/tools/binman/test/326_assume_size.dts b/tools/binman/test/326_assume_size.dts new file mode 100644 index 0000000..4c5f8b4 --- /dev/null +++ b/tools/binman/test/326_assume_size.dts @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + + binman { + size = <9>; + blob-ext { + filename = "assume_blob"; + assume-size = <10>; + }; + }; +}; diff --git a/tools/binman/test/327_assume_size_ok.dts b/tools/binman/test/327_assume_size_ok.dts new file mode 100644 index 0000000..00ed726 --- /dev/null +++ b/tools/binman/test/327_assume_size_ok.dts @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + + binman { + size = <10>; + blob-ext { + filename = "assume_blob"; + assume-size = <10>; + }; + }; +}; |