Commit graph

6 commits

Author SHA1 Message Date
Simon Glass
1a8b4b9d94 dtoc: Support scanning of uclasses
Uclasses can have per-device private / platform data so dtoc needs to
scan these drivers. This allows it to find out the size of this data so
it can be allocated a build time.

Add a parser for uclass information, similar to drivers. Keep a dict of
the uclasses that were found.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-22 19:23:27 +13:00
Simon Glass
c8b19b0694 dtoc: Collect priv/plat struct info from drivers
In order to output variables to hold the priv/plat information used by
each device, dtoc needs to know the struct for each. With this, it can
declare this at build time:

   u8 xxx_priv [sizeof(struct <name>)];

Collect the various struct names from the drivers.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-22 19:23:27 +13:00
Simon Glass
36b2220cbd dtoc: Ignore unwanted files when scanning for drivers
We should ignore anything in the .git directory or any of the
build-sandbox, etc. directories created by 'make check'. These can confuse
dtoc. Update the code to ignore these.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-22 19:23:27 +13:00
Simon Glass
c58662fc65 dtoc: Scan drivers for available information
At present we simply record the name of a driver parsed from its
implementation file. We also need to get the uclass and a few other
things so we can instantiate devices at build time. Add support for
collecting this information. This requires parsing each driver file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-22 19:23:26 +13:00
Simon Glass
10ea9c0b05 dtoc: Move src_scan tests to a separate file
Move the tests related to scanning into their own class, updating them
to avoid using dtb_platdata as a pass-through.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-01-05 12:26:35 -07:00
Simon Glass
a542a70c22 dtoc: Split source-code scanning to a separate file
Before expanding the scanning features any more, move this into a separate
file. This will make it easier to maintain in the future. In particular,
it reduces the size of dtb_platdata.py and allows us to add tests
specifically for scanning, without going through that file.

The pieces moved are the Driver class, the scanning code and the various
naming functions, since they mostly depend on the scanning results.

So far there is are no separate tests for src_scan. These will be added
as new functionality appears.

This introduces no functional change.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-01-05 12:26:35 -07:00