Commit Graph

14 Commits

Author SHA1 Message Date
Erwan Gouriou 10fc37d78e boards/shields: Add connector flags for compatibility checks
In order to provide a way to control boards/shields compatibility,
provide connector flags.
One should select this flag in Kconfig.board to state connector
compatibility for the board.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
2018-07-05 11:28:53 -05:00
Ulf Magnusson fb0366b339 boards: Kconfig: Remove redundant 'default n' properties
Bool symbols implicitly default to 'n'.

A 'default n' can make sense e.g. in a Kconfig.defconfig file, if you
want to override a 'default y' on the base definition of the symbol. It
isn't used like that for any of the removed properties though.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2018-06-27 17:15:31 -05:00
Ulf Magnusson 4dc9e5b2de kconfig: Get rid of 'option env' bounce symbols
This commit gets rid of the 'option env="ENV_VAR"' bounce symbols.
"$FOO" now expands directly to the value of the environment variable
FOO, instead of to the value of the Kconfig symbol FOO.

This change is likely to soon appear in the C tools as well. Those
'option env' symbols always seemed kinda pointless, and have broken
dependency handling due to forcing symbol evaluation during parsing,
before all the symbols have even been seen.

Compatibility with the C tools could be retained by naming all
'option env' symbols the same as the environment variable they
reference.

This commit also updated the Zephyr documentation to explain the new
behavior. It's relevant for $ZEPHYR_BASE and out-of-tree Kconfig
extensions.

Commit message from Kconfiglib (cbf32e29a130d)
==============================================

Make "$FOO" directly reference the environment variable $FOO in e.g.
'source' statements, instead of the symbol FOO. Use os.path.expandvars()
to expand strings (which preserves "$FOO" as-is if no environment
variable FOO exists).

This gets rid of the 'option env' "bounce" symbols, which are mostly
just spam and are buggy in the C tools (dependencies aren't always
respected, due to parsing and evaluation getting mixed up). The same
change will probably appear soon in the C tools as well.

Keep accepting 'option env' to preserve some backwards compatibility,
but ignore it when expanding strings. For compatibility with the C
tools, bounce symbols will need to be named the same as the environment
variables they reference (which is the case for the Linux kernel).

This is a compatibility break, so the major version will be bumped to 6
at the next release.

The main motivation for adding this now is to allow recording properties
on each MenuNode in a clean way. 'option env' symbols interact badly
with delayed dependency propagation.

Side note: I have a feeling that recording environment variable values
might be redundant to trigger rebuilds if sync_deps() is run at each
compile. It should detect all changes to symbol values due to
environment variables changing value.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2018-05-17 23:55:07 +03:00
Ulf Magnusson 547ed9b563 kconfig: Make 'source' non-globbing and use 'gsource'
Until now, Zephyr has used a patched Kconfiglib that turns 'source' into
a globbing source (by replacing 'source' with 'gsource' at the token
level). There's two problems with this:

  - The patch needs to be maintained separately

  - Misspelled filenames are silently ignored, as they look like glob
    patterns that don't match anything

Fix it as follows:

  1. Replace all 'source' statements that use wildcards with 'gsource'

  2. Remove the custom Kconfiglib patch so that 'source' no longer globs

The sed pattern '/source.*[*?]/s/source/gsource/' was run over all
Kconfig* files to do the replacement.

source's that use environment variables that might contain glob patterns
were manually changed to gsource.

Building the docs in doc/ is a good test, as doc/Makefile deliberately
sets the environment variables to glob up as many Kconfig files as
possible.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
2018-05-08 11:14:12 +02:00
Sebastian Bøe 4b61bd1b7a kconfig: Prune kconfig files that don't match the ARCH or BOARD
When Kconfiglib was introduced it caused a significant performance
issue. This patch uses pruning to mitigate the performance issue.

The pruning exploits the fact that before the Kconfig database is
parsed we already know what ARCH and BOARD has been selected. So in
theory we could prune away all Kconfig sources that are not related to
the current ARCH or BOARD. In practice, it is only the Kconfig sources
in zephyr/arch/$ARCH and zephyr/board/$ARCH/ that are easy to prune.

Still, that is quite a few Kconfig sources. For qemu_x86 this patch
reduced the number of parsed Kconfig source files from 632 to
272. This pruning resulted in a incremental reconfiguration (time
cmake ..) speedup of 21% (0.56s to 0.46) and a clean build speedup of
4% (Using board qemu_x86 and sample hello_world).

Furthermore, it should be easier to maintain ARCH's and BOARD's
out-of-tree since the user now has a mechanism to redirect where
Kconfig sources are found. But this has not been explored.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2018-01-12 07:29:05 -05:00
Anas Nashif 429c2a4d9d kconfig: fix help syntax and add spaces
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-12-13 17:43:28 -06:00
Maureen Helm 3e37011185 boards: Fix QEMU_TARGET config prompt and default
The default boolean setting for QEMU_TARGET was incorrectly placed in
the prompt field, so it was showing up as a config option in 'make
menuconfig' when it should be hidden.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
2017-07-31 19:39:54 -04:00
Anas Nashif dd8fd72826 boards: mark qemu targets with a unified Kconfig
This will allow checking if we are building for QEMU globally, without
having to know the exact architecture and board name.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-07-26 07:40:45 -05:00
David B. Kinder 93e4d7258d spell: fix Kconfig help typos: /boards /drivers
Fix misspellings in Kconfig help text

Change-Id: I3ae28a5d23d8e266612114bc0eb8a6e158129dc7
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
2017-04-21 21:31:30 +00:00
Andrew Boie a5ae889b32 build: add Kconfig mechanism for deprecating boards
If a deprecated board is built, a warning is presented indicating
what future release the board will be removed.

Change-Id: Ib166198d8b71303b990a30f79429f51871591a97
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2016-10-25 20:56:41 +00:00
Kumar Gala 8d35760fec board: organize boards based on architecture
Introduce an architecture sorting of boards.  This is to allow for
easier maintenance going forward as the number of boards grows.  It
will be easier for any scripts to know the board/arch mapping without
having to maintain an explicit list of what boards are associated with
which arch.  We can also do things like have architecture maintainers
cover reviews and branches for arch/${ARCH} and boards/${ARCH} going
forward.

Change-Id: I02e0a30292b31fad58fb5dfab2682ad1c5a7d5a7
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2016-10-24 19:59:42 +00:00
Daniel Leung 1268ab9f1d boards: add a menu surrounding board Kconfig
This adds a menu to enclose all board Kconfig. So the board
configs do not appear on the top level out of context in
menuconfig. This also reflects the SoC options where these are
under menus for each architecture.

Change-Id: I76ce2bf1acf7cbd2673ceb2eac71e96cdca2ff35
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-03-15 21:39:14 -04:00
Anas Nashif 75c5e51ba5 kconfig: remove optional flag for boards
Change-Id: I9cc5a7a6d5fc0aa504d005b413ad5fa03168d9f0
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-03-14 16:50:50 -04:00
Anas Nashif fdb1daf786 kconfig: add board configurations
First step for adding the new board layer. Create configurations for the
various boards we support on x86 under boards with the new Kconfig variables
defining them.

The board selection is optional, that means you will be able to run

 make menuconfig

and create your own .config and select any SoC.

Change-Id: If08e88e9675d13f0f0501ef6750b9424b15f5dc8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:25:10 -05:00