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1,889 commits

Author SHA1 Message Date
Martí Bolívar
003d30b6f0 cmake: flash signed binaries for mcuboot
When CONFIG_MCUBOOT_SIGNATURE_KEY_FILE is set and the build system
successfully creates signed outputs, use them as the default artifacts
to flash.

This flashes the non-confirmed variant regardless of
CONFIG_MCUBOOT_GENERATE_CONFIRMED_IMAGE, allowing POST code in the
application to confirm the image or not. Since this is used primarily
from development, I'd hesitate to assume the confirmed image is good.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-03 16:49:09 -05:00
Martí Bolívar
3124c02987 cmake: flash/debug: refactor runner configuration
This commit message is a bit of a novel mostly:

- because the issues involved are longstanding
- as evidence this is not a capricious refactoring

The runners.core.RunnerConfig Python class holds common configuration
values used by multiple runners, such as the location of the build
outputs and board directory.

The runners code, first written in 2017-ish, replaced various shell
scripts that got this information from the environment. Avoiding
environment variables was a requirement, however. It's ghastly to set
environment variables for a single command invocation on Windows, and
the whole thing was part of a larger push to make Zephyr development
on Windows better.

I had a hammer (the argparse module). Finding a replacement naturally
looked like a nail, so the information that ends up in RunnerConfig
got shunted from the build system to Python in the form of 'west
flash' / 'west debug' command line options like '--board-dir',
'--elf-file', etc.

I initially stored the options and their values in the CMake cache.
This was chosen in hopes the build system maintainer would like
the strategy (which worked).

I knew the command line arguments approach was a bit hacky (this
wasn't a nail), but I also honestly didn't have a better idea at the
time.

It did indeed cause issues:

- users don't know that just because they specify --bin-file on the
  command line doesn't mean that their runner respects the option, and
  have gotten confused trying to flash alternate files, usually for
  chain-loading by MCUboot (for example, see #15961)

- common options weren't possible to pass via board.cmake files
  (#22563, fixed partly via introduction of runners.yaml and the west
  flash/debug commands no longer relying on the cache)

- it is confusing that "west flash --help" prints information about
  openocd related options even when the user's board has no openocd
  support. The same could be said about gdb in potential future use
  cases where debugging occurs via some other tool.

Over time, they've caused enough users enough problems that
improvements are a priority.

To work towards this, put these values into runners.yaml using a new
'config: ...' key/value instead of command line options.

For example, instead of this in the generated runners.yaml file:

args:
  common:
  - --hex-file=.../zephyr.hex

we now have:

config:
  hex_file: zephyr.hex

and similarly for other values.

In Python, we still support the command line options, but they are not
generated by the build system for any in-tree boards. Further work is
needed to deprecate the confusing ones (like --hex-file) and move the
runner-specific host tool related options (like --openocd) to the
runners that need them.

Individual board.cmake files should now influence these values by
overriding the relevant target properties of the
runners_yaml_props_target.

For example, instead of:

  board_runner_args(foo "--hex-file=bar.hex")

Do this:

  set_target_properties(runners_yaml_props_target PROPERTIES
                        hex_file bar.hex)

This change additionally allows us to stitch cmake/mcuboot.cmake and
the runners together easily by having mcuboot.cmake override the
properties that set the hex or bin file to flash. (The command line
arguments are still supported as-is.)

Combined with 98e0c95d91ae16f14e4997fb64ccdf0956595712 ("build:
auto-generate signed mcuboot binaries"), this will allow users to
build and flash images to be chain loaded by mcuboot in a way that
avoids calling 'west sign' and passing 'west flash' its output files
entirely.

While we are here, rename runner_yml_write to runners_yaml_append().
This function doesn't actually write anything, and we're here
refactoring this file anyway, so we might as well improve the
situation while we're at it.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-03 16:49:09 -05:00
Martí Bolívar
e27b36807a cmake: rename and move runner_yml_props_target to boilerplate
Rename it to "runners_yaml_props_target", because the file name is
runners.yaml, not runner.yml.

Move it to the boilerplate definition so that we can modify it before
cmake/flash/CMakeLists.txt gets run.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-03 16:49:09 -05:00
Martí Bolívar
db4df3ce1a cmake: flash: remove stale cache variables
Commit c1f80db44a removed various
now-unused CMake cache variables, but it missed the ones that begin
with ZEPHYR_RUNNER_ARGS. Delete those now.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-03 16:49:09 -05:00
Daniel Leung
9eebe6a45e cmake: add WEST to cached variable
Commit 79b1f89f7d causes the WEST
variable to no longer cached in the CMakeCache. However,
the Eclipse plugin needs this WEST variable so that it can
invoke west properly. So tell CMake to put it in the cache.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2020-09-03 17:32:48 -04:00
Watson Zeng
fad20c42c6 boards: arc: nsim: add a new board nsim_em7d_v22
Typically we have ARC core configurations where Fast IRQs (FIRQ) are
enabled together with multiple register files and those we have covered
by testing. But FIRQ & single register bank we only happen to have on
the older EMSK v2.2.it might be a good idea to add a similar
configuration to nSIM "boards" so that we keep it tested regularly.

nsim_em7d_v22 configuration is similar with em_staterkit_em7d_v22,
both configed with FIRQ & single register bank.

Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
2020-09-03 21:47:51 +02:00
Rihards Skuja
38e1bf1f29 cmake: toolchain: fix unsupported warnings for C++ builds
Compile with arm-none-eabi-g++ (10.2.0 with -std=c++17) generates a
warning for every C++ source file:
"cc1plus: warning: command-line option '-Wno-pointer-sign' is valid for
C/ObjC but not for C++"

Get rid of those warnings by adding '-Wno-pointer-sign' to the list of
excluded CXX options.

Signed-off-by: Rihards Skuja <rihardssk@mikrotik.com>
2020-09-03 21:47:14 +02:00
Torsten Rasmussen
6dc8f0e79e cmake: dts overlay file with mixed separator style support
Fixes: #26112

All file paths provided on the list of overlay files are converted to
CMake style paths.

This ensures that even paths with mixed style `\` and `/` on Windows are
treated correctly. This fixes the issue where the deps file created
would cause ninja to re-invoke CMake in an endless loop on windows.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-09-03 14:45:13 -05:00
Peter A. Bigot
0950b2549e dts: support specifying preprocessor flags for devicetree
In some cases it is useful to use the C preprocessor to control the
content of a devicetree file.  A specific use case is in testing,
where different combinations of node properties must be checked.
Provide a mechanism to allow arbitrary preprocessor flags to be passed
through CMake to affect the devicetree content.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
2020-09-03 14:02:36 -05:00
Carles Cufi
f8ad4d5f87 scripts: size_report: Fix colorized output
Colorama needs to be initialized, and for colors to display correctly on
Windows one needs to use the `USES_TERMINAL` option in CMake.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
2020-09-03 09:54:21 -04:00
Martí Bolívar
f66a0c3772 build: auto-generate signed mcuboot binaries
Add new Kconfig options which depend on CONFIG_BOOTLOADER_MCUBOOT:

- CONFIG_MCUBOOT_SIGNATURE_KEY_FILE: the path to the key pair which
  should be used to sign the image, in PEM format. This is sent to
  imgtool via 'west sign' when set to produce zephyr.signed.bin and
  zephyr.signed.hex files as needed.

- CONFIG_MCUBOOT_EXTRA_IMGTOOL_ARGS: additional arguments to pass to
  imgtool.

- CONFIG_MCUBOOT_GENERATE_CONFIRMED_IMAGE: also generate
  zephyr.signed.confirmed.{bin,hex}

Add build system support for these options.

This makes a separate 'west sign' step unnecessary when using MCUboot,
if the application image is properly configured with the location of
the key file.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-01 13:33:46 +02:00
Martí Bolívar
a0382cb925 cmake: add IMGTOOL optional dependency
This will be used in subsequent patches to integrate imgtool into the
build when the user has set CONFIG_BOOTLOADER_MCUBOOT=y.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-01 13:33:46 +02:00
Martí Bolívar
c32e90d2a5 build: update stale comment in boilerplate.cmake
The zephyr_property_target use cases have grown.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-01 13:33:46 +02:00
Martí Bolívar
79b1f89f7d cmake: west detection fixes and improvements
Starting with west 0.8, we will have a stable way to run west as a
python module. In west 0.7, we have an undocumented way.

Handle these two cases to override the WEST variable used by the build
system to run west inside the same python interpreter as the rest of
the build system. This makes it intuitive to shell out to west from
elsewhere in the build, without making people reimplement existing
commands in the west API when it is not necessary.

Do so for the 'west topdir' invocation in west.cmake as an example.

The check that looks for whether PYTHON_EXECUTABLE and WEST_PYTHON
match is also not working properly when symbolic links are in use.
Fix it by using REALPATH instead of ABSOLUTE in the
get_filename_component() calls.

Finally, print the error on a failed import that we expect to work.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-09-01 13:33:46 +02:00
Ismael Fillonneau
fc8f639b9a shields: Modify overlay file order
Shield overlay file has to be taken into account after board overlay
file.
ex: When a new node need to be created for a specific board (in
boards/shields/shield_name/boards/board_name/*.overlay) and used by the
shield (in boards/shields/*.overlay), the order of the overlay files is
important

Signed-off-by: Ismael Fillonneau <ismael.fillonneau@stimio.fr>
2020-09-01 13:30:06 +02:00
Torsten Rasmussen
2fa48f79d1 cmake: warn user if CPPFLAGS is set as environment setting
Zephyr doesn't use CFLAGS, CXXFLAGS, and CPPFLAGS if they are defined
in environment.

In case user defines CFLAGS or CXXFLAGS in environment, then a warning
message is printed, however CPPFLAGS does not raise a warning.

CPPFLAGS is updated to follow the principle of CFLAGS and CXXFLAGS.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-09-01 13:29:24 +02:00
Torsten Rasmussen
4e8a991590 cmake: Zephyr module error on module name current
In CMake, ZEPHYR_CURRENT_MODULE_DIR is used during processing of module
CMakeLists.txt files.
If a module is named `current` then it's corresponding
`ZEPHYR_<module_name>_MODULE_DIR` would become ZEPHYR_CURRENT_MODULE_DIR
and thus colliding with internal Zephyr CMake variable.

Using module name `current` is therefore forbidden.
Print an error to users when a module named `current` is used in
Zephyr.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-31 12:15:02 +02:00
Torsten Rasmussen
a861fc96b2 cmake: export Zephyr modules as Kconfig variables.
In CMake it is possible to reference each Zephyr module as a CMake
variable. This commit introduces the same feature to Kconfig, so that
it is possible to reference a module in consistent way in both CMake
and Kconfig.

To include a file from module FOO in CMake, use:
include(${ZEPHYR_FOO_MODULE_DIR}/somefile.cmake

To source a file from module FOO in Kconfig, use:
source "$(ZEPHYR_FOO_MODULE_DIR)/Kconfig.somefile"

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-31 12:15:02 +02:00
Torsten Rasmussen
ab7ec17b86 cmake: zephyr module processing improvements.
This commit improves Zephyr modules support in CMake.
All Zephyr modules will now have a corresponding
`ZEPHYR_${module_name}_MODULE_DIR` set, regardless of whether they
define a cmake folder in module.yml.

This results in:
`ZEPHYR_${module_name}_MODULE_DIR` defined for all modules and refers to
the root of the modle.
`ZEPHYR_${module_name}_CMAKE_DIR` defined for modules that specifies
cmake in module.yml, or is having both a CMakeLists.txt and Kconfig file
in the zephyr folder.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-31 12:15:02 +02:00
Torsten Rasmussen
2fc062b3a4 cmake: zephyr modules variable names.
This commit refactors processing of Zephyr modules.
The Zephyr module name processing has been moved to zephyr_modules.cmake
to ensure that all `ZEPHYR_<MODULE_NAME>_MODULE_DIR` are defined early
in the build system.

No changes to inclusion of Zephyr module CMake code.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-31 12:15:02 +02:00
Torsten Rasmussen
c8295b19aa cmake: kconfig cmake file environment cleanup
This commit is a cleanup of the cmake/kconfig.cmake file.
It removes `set(ENV{<name>} <value>)` and instead creates a shared list
that can be used for execute_process() and add_custom_target() when
running Kconfig during CMake configure time or menuconfig and related
build targets.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-31 12:15:02 +02:00
Flavio Ceolin
438adb0109 coding_guideline: Add optional flag to check override initialization
This enforce Rule 9.4

"""
An element of an object shall not be initialized more than once
"""

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2020-08-28 16:50:39 -04:00
Flavio Ceolin
d34c44d724 coding_guideline: Add optional flag to check invalid conversions
Generate errors for implicit conversions that may alter a value, that
covers conversions implicit conversions to narrower types, different
signal, different essential types (float -> int), ... From GCC
documentation
(https://gcc.gnu.org/onlinedocs/gcc-9.3.0/gcc/Warning-Options.html)

"""
Warn for implicit conversions that may alter a value. This includes
conversions between real and integer, like abs (x) when x is double;
conversions between signed and unsigned, like unsigned ui = -1; and
conversions to smaller types, like sqrtf (M_PI). Do not warn for
explicit casts like abs ((int) x) and ui = (unsigned) -1, or if the
value is not changed by the conversion like in abs (2.0). Warnings
about conversions between signed and unsigned integers can be disabled
by using -Wno-sign-conversion.

For C++, also warn for confusing overload resolution for user-defined
conversions; and conversions that never use a type conversion
operator: conversions to void, the same type, a base class or a
reference to them. Warnings about conversions between signed and
unsigned integers are disabled by default in C++ unless
-Wsign-conversion is explicitly enabled.
"""

This partially cover rules: 10.4, 10.5, 10.6, 10.7 and 10.8

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2020-08-28 16:50:39 -04:00
Flavio Ceolin
4bf529a4b9 coding_guideline: Add optional fallthrough enforcement flag
Add implicit-fallthrough flag when CONFIG_MISRA_SANE is set.
It will require __fallthrough macro or a proper comment tells the
compiler that this happens intentionally.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2020-08-28 16:50:39 -04:00
Flavio Ceolin
b587e8d063 coding_guideline: Add an option to enforce rules
Add a Kconfig option to enable compiler flags that help to enforce
some code guideline rules.

Note: As the current code base is not in compliance with the adopted
code guideline, some rules will generate warnings during the
build. This is intended to help to spot violations.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2020-08-28 16:50:39 -04:00
Torsten Rasmussen
6c294bc0b8 cmake: zephyr_module.py working directory when listing modules
Fixes: #27237

This commit fixes an issue when `zephyr_module.py` was executed outside
a west workspace.
This would happen when build an out-of-tree (out-of-workspace)
application, in which case the current west workspace would be unknown.

This is now changed, so that execution of `zephyr_module.py` will be
done in the current Zephyr base.
This ensures that the west workspace that holds the current Zephyr will
be the same workspace used for west list, and hence solve fix the issue.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-26 14:25:17 -04:00
Anas Nashif
d0f5253f9e Revert "compiler: gcc: Add warning option to spot poblematic switches"
This reverts commit 680f401ef2.

3rd party code in modules is failing due to this enforcment. We need a
away to exclude module code to support such options.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2020-08-25 12:57:05 -04:00
Flavio Ceolin
680f401ef2 compiler: gcc: Add warning option to spot poblematic switches
Option -Wimplicit-fallthrough as the name suggests raises a warning when
there is an implicit fallthrough in a switch clause. This warning does
not happen when the last statement is a return or a call to a function
declared with noreturn attribute.

This flag helps to enforce two MISRA-C rules (not completely), 16.1 and
16.3

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2020-08-24 20:28:47 -04:00
Martí Bolívar
c1f80db44a cmake: flash: remove unused cache variables
Resolve a TODO item that followed the introduction of runners.yaml
files by removing the now-unused CMake cache variables that they
obsolete.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-08-19 09:51:13 -04:00
Anas Nashif
f420c7bb8d cmake: generate json file for ram/rom reports
Create a json file from the output of ram/rom report targets.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2020-08-14 18:49:26 -04:00
Henrik Brix Andersen
8acd7966af cmake: gcc: add support for compiling for the ARM Cortex-M1
Add support for compiling for the ARM Cortex-M1 CPU via GCC.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
2020-08-14 13:35:39 -05:00
Wayne Ren
6f6fddf7e9 cmake: combine nsim and mdb for emulation
* to avoid confusion, combine nsim and mdb related
cmake configurations.

* this also enable the lanuch of mdb in sanitycheck

Signed-off-by: Wayne Ren <wei.ren@synopsys.com>
2020-08-14 13:30:56 +02:00
Anas Nashif
07b4df1945 cmake: put elf files for Qemu in /zephyr
The ELF files were placed in ${CMAKE_BINARY_DIR} when all other ELF
files are actually in ${CMAKE_BINARY_DIR}/zephyr, so keep things
consistent and in one place.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2020-08-13 12:42:27 -04:00
Kumar Gala
a15c8717e3 cmake: Set TOOLCHAIN_ARCH based on OS_PLATFORM
To support a host environment of aarch64 (arm64) or x86_64 set
TOOLCHAIN_ARCH based on what OS_PLATFORM reports (which Linux will be
result of 'uname -m').

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2020-08-07 06:54:18 -05:00
Torsten Rasmussen
9ca3f61947 cmake: convert WEST_PYTHON path to be correct CMake style
The `WEST_PYTHON` reported by west (python) may use a different path
style (casing and separator) than the path style in CMake
find_package(Python3).

This may result in following additional error text when west version is
not meeting the minimum required version:

    The Python version used by west is:  c:\python37\python.exe
    The Python version used by CMake is: C:/Python37/python.exe
    This might be correct, but please verify your installation.

Using `get_filename_component` will return the path in same style as
CMake find_package(Python3).

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-06 13:49:08 +02:00
Torsten Rasmussen
25d57ba5af modules: adding support for ROOTs definitions in zephyr/module.yml
Fixes: #25215

This commit introduces the possibility of defining ROOTs in a Zephyr
module and have it automatically appended to list of other ROOTs.
Supported with this commit:
- BOARD_ROOT
- SOC_ROOT
- DTS_ROOT
- ARCH_ROOT

In order to support this in Zephyr module files, the detection of west
has been moved to dedicated west.cmake file and included immediately
after python.cmake.

Also the inclusion of zephyr_modules.cmake has moved before first use
of BOARD_ROOT.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-05 08:06:07 -04:00
Torsten Rasmussen
14b60200bd cmake: allowing list of ARCH_ROOTs
This commit aligns ARCH_ROOT to conform to BOARD_ROOT, DTS_ROOT,
SOC_ROOT that all allows list of directories.

Also it avoid code, such as:
if(BOARD STREQUAL my_board_using_out_of_tree_arch)
  set(ARCH_ROOT some/out/of/tree/arch/path)
endif()
in application CMakeLists.txt.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-05 08:06:07 -04:00
Torsten Rasmussen
5f7cc8ded9 cmake: kconfig: support for multiple SOC_ROOT
This commit introduces support for multiple SOC_ROOT.

This means that additional SOC_ROOTs specified using -DSOC_ROOT as
argument to CMake will be forming a list together with ${ZEPHYR_BASE}.

This allows for greater flexibility, as developers can now specify
multiple out-of-tree SoCs and not worry about the SoC used for the
board they compile for.

Also it avoid code, such as:
if(BOARD STREQUAL my_board_using_out_of_tree_soc)
  set(SOC_ROOT some/out/of/tree/soc/path)
endif()
in application CMakeLists.txt.

Finally, allowing multiple SOC_ROOTs prepares for specifying SOC_ROOTs
in Zephyr modules.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-05 08:06:07 -04:00
Torsten Rasmussen
01f55a4e53 cmake: relocation of generated Kconfig file for Zephyr modules
This commit relocates the generated Kconfig.modules file from
${CMAKE_BINARY_DIR} into ${CMAKE_BINARY_DIR}/Kconfig.

This is done as preparation of multiple SOC and ARCH root support.

A single Kconfig folder inside ${CMAKE_BINARY_DIR} helps to keep the
build folder tidy.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-08-05 08:06:07 -04:00
Aleksandr Koltsoff
0f44669ceb cmake: sort shield list and improve indent
Currently, when usage.cmake is run, the shield list is in construction
order, making it difficult to locate the shield of interest. This sorts
the list upon display and also makes the display indent consistent.

Signed-off-by: Aleksandr Koltsoff <czr@iki.fi>
2020-08-05 12:01:49 +02:00
Carles Cufi
244f826e3c cmake: remove _if_kconfig() functions
This set of functions seem to be there just because of historical
reasons, stemming from Kbuild. They are non-obvious and prone to errors,
so remove them in favor of the `_ifdef()` ones with an explicit
`CONFIG_` condition.

Script used:

git grep -l _if_kconfig | xargs sed -E -i
"s/_if_kconfig\(\s*(\w*)/_ifdef(CONFIG_\U\1\E \1/g"

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
2020-08-01 12:35:20 +02:00
Martí Bolívar
9c92baa73f devicetree: use edt.pickle more
Consolidate creation of edtlib.EDT objects from a build directory's
devicetree into one place by loading it from build/zephyr/edt.pickle
everywhere. A previous commit creates edt.pickle from gen_defines.py.

In addition to probably speeding things up slightly by not reparsing
the devicetree, the main benefit of this approach is creating a single
point of truth for the bindings directories and warnings
configuration, meaning we don't have to worry about them getting out
of sync while being passed around between devicetree creation and
usage time.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-07-23 09:19:45 -05:00
Daniel Leung
ba5f627815 scripts: size_report: rework to use pyelftools...
...instead of GNU binutils to extract DWARF information.
This is now a bit more portable across OS and toolchain.
One bouns is that this nows with on qemu_x86_64.

A few differences are:
() z_mrsh_* which are aliases to handler_no_syscalls() are now
   dropped as they are mapped to the same address, so that they
   are not counted multiple times.
() Static functions and variables with same names should now be
   attributed to the correct source files instead of being
   accumulated into the same symbol of one file (e.g. multiple
   thread_entry() in kernel tests).
() The totals for ROM and RAM are calculated from the
   corresponding sections. Previous script includes the debug
   sections as total ROM size which is not entirely correct.

Fixes #22996

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2020-07-16 12:14:22 +02:00
Martí Bolívar
b08309e992 cmake: fix kconfig targets
Commit 269f350487 introduced a new
mechanism for loading the edtlib.EDT representation of the devicetree
from kconfigfunctions.py.

While this works for running kconfig.py from kconfig.cmake using
execute_process(), it doesn't work when kconfigfunctions.py is loaded
by the menuconfig target or any other Kconfig targets that use
add_custom_target().

The reason why is that these targets' environments do not have the
location of the EDT pickle file available. This is unlike kconfig.py,
which executes using the same environment as cmake itself, where
edt.pickle's location is already available in the environment.

Fix that by adding EDT_PICKLE to the environment for menuconfig and
friends.

Reported-by: Simon Guinot <simon.guinot@seagate.com>
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-07-10 11:26:11 +02:00
Martí Bolívar
a043d48c54 cmake: fix the build on windows
Commit ef3c5e5516 changed the way
WEST_TOPDIR is initialized from calling 'west topdir' as a subprocess
to using the west API.

However, WEST_TOPDIR is a cmake variable and must be a cmake-style
path, with forward slashes. While 'west topdir' as a command does
output a forward slash separated path (basically in order to make the
zephyr build system work), west_topdir() as an API returns the path in
the host environment path style, which on Windows uses backslashes.

This turns out to be the ultimate cause of the following build error:

CMake Error at C:/.../CheckCCompilerFlag.cmake:41 (set):
  Syntax error in cmake code when parsing string
    -fmacro-prefix-map=C:\Users\Marti\zp=WEST_TOPDIR

Fix it by converting to POSIX style in Python. We could have
potentially also done this using file(TO_CMAKE_PATH "${WEST_TOPDIR}"
...), but I'm intentionally repeating the old way of doing things
since it was known to work.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-07-09 18:13:44 -04:00
Henrik Brix Andersen
b36aea82ce build: reports: add pahole target
Poke-a-hole (pahole) is an object-file analysis tool to find the size of
the data structures, and the holes caused due to aligning the data
elements to the word-size of the CPU by the compiler.

http://git.kernel.org/cgit/devel/pahole/pahole.git

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
2020-07-09 06:24:00 -04:00
Torsten Rasmussen
ef3c5e5516 cmake: west: invoke west using same python as rest of build system
When running CMake, then Python3 will be used.
This is detected through FindPython3, with a preference for using the
python or python3 in path, if any of those matches the required Python
minimal version in Zephyr.

It is also possible for users to specify a different Python, as example
by using:
`cmake -DPYTHON_PREFER=/usr/bin/python3.x`

However, when running `west` as native command, then west will be
invoked on linux based on the python defined in:
`west` launcher, which could be: `#!/usr/bin/python3.y`

Thus there could be mismatch in Pythons used for `west` and the python
used for other scripts.

This is even worse on windows, where a user might experience:
```
>.\opt\bin\Scripts\west.exe --version
Traceback (most recent call last):
  File "C:\Python37\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  ...
  File "C:\Python37\lib\socket.py", line 49, in <module>
    import _socket
ImportError: Module use of python38.dll conflicts with this version of
Python.
```

when testing out a newer Python, but the python in path is still a 3.7.

By importing `west` into zephyr_module.py and by using, as example
`python -c "from west.util import west_topdir; print(topdir())"`
we ensure the same python is used in all python scripts.

Also it allows the user to control the python to use for west.

It also ensures that the west version being tested, is also the version
being used, where old code would test the version imported by python,
but using the west in path (which could be a different version)

If the west version installed in the current Python, and west invocation
is using a different Python interpreter, then an additional help text
is printed, to easier assist users with debugging.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
2020-07-08 23:23:04 -04:00
Martí Bolívar
148542c080 build: remove dead stores to environment
Now that kconfigfunctions.py is loading the EDT object from a pickle
file, I can't find any other reads of the environment variables it was
previously using to do that.

(The CMake variables with the same names are read in different places;
I'm specifically talking about environment variables here.)

Remove the dead stores.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-07-08 14:02:44 -05:00
Martí Bolívar
269f350487 kconfig: load edt from edt.pickle
This saves time and avoids the need to pass additional state around in
the environment to recreate the edt exactly.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-07-08 14:02:44 -05:00
Martí Bolívar
533f451e7e dts: marshal the EDT object for later use
We need to save and restore the devicetree data to generate optimized
dependency information later on in the build, in particular during the
final application link.

Make this happen by pickling the EDT object in BUILD_DIR/edt.pickle.

The existence of this file is an implementation detail, so do not add
it to the documentation.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2020-07-08 14:02:44 -05:00