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At present the tests run one after the other using a single CPU. This is
not very efficient. Bring in the concurrencytest module and run the tests
concurrently, using one process for each CPU by default. A -P option
allows this to be overridden, which is necessary for code-coverage to
function correctly.
This requires fixing a few tests which are currently not fully
independent.
At some point we might consider doing this across all pytests in U-Boot.
There is a pytest version that supports specifying the number of processes
to use, but it did not work for me.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present 'make check' leaves some temporary directories around. Part of
this is because we call tools.PrepareOutputDir() twice in some cases,
without calling tools.FinaliseOutputDir() in between.
Fix this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Support creating an Fdt object without having to write the data to a file
first.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a few more functions which allow creating and modifying property
values. If only we could do this so easily in the real world.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a way to add new nodes and sync them back to the blob.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present we require the caller to manually update the device tree using
individual calls to libfdt functions. This is not ideal. It would be
better if we could make changes using the Python structure and then call a
Sync() function to write them back.
Add this feature to the Fdt class. Update binman and the tests to match.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The enhanced pylibfdt support in U-Boot needed for binman was a
placeholder while upstreaming of this work continued. This is now
complete, so bring in the changes and update the tools as needed.
There are quite a few changes since we decided to split the
implementation into three fdt classes instead of two.
The Fdt.del_node() method was unfortunately missed in this process and
will be dealt with later. It exists in U-Boot but not upstream.
Further syncing of libfdt probably needs to wait until we assess the
code-size impact of all the new checking code on SPL and possibly provide
a way to disable it.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a function which can decode a property containing a list of phandles.
This is useful for finding nodes linked to a property. Also provide a way
to look up a single phandle and get the Fdt object from a Node.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This is useful for clients that want to find a node. Export it so it can
be used by others.
Signed-off-by: Simon Glass <sjg@chromium.org>
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It is sometimes useful to have an area of the image which is all zeroes,
or all 0xff. This can often be achieved by padding the size of an an
existing entry and setting the pad byte for an entry or image.
But it is useful to have an explicit means of adding blocks of repeating
data to the image. Add a 'fill' entry type to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Sometimes it is useful to pass binman the value of an entry property from
the command line. For example some entries need access to files and it is
not always convenient to put these filenames in the image definition
(device tree).
Add a -a option which can be used like this:
-a<prop>=<value>
where
<prop> is the property to set
<value> is the value to set it to
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a few simple functions to add a placeholder integer property, and
set its value.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present a property with a single phandle looks like an integer value
to dtoc. Correct this by adjusting it in the phandle-processing code.
Add a test for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present the algortihm is not correct since it will return the root node
if the requested node is not found and there are no slashes in the
requested node name. Fix this and add a test.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present the Fdt class does not keep track of property offsets if they
change due to removal of properties. Update the code to handle this, and
add a test.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present only some of the fdt functionality is tested. Add more tests to
cover the rest of it. Also turn on test coverage, which is now 100% with
a small exclusion for a Python 3 feature.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present the Fdt class has its own copy of the device tree. This is
confusing an unnecessary now that pylibfdt has its own. Drop it and
provide access functions to the buffer.
This allows us to move the rest of the implementation to use pylibfdt
methods instead of directly calling libfdt stubs.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present this module is tested via the dtoc tests. This is a bit painful
since the tests are at a higher level and so failures are more difficult
to diagnose.
Add some tests that exercise the fdt module directly.
Signed-off-by: Simon Glass <sjg@chromium.org>
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