This change adds full shared floating point support for the SPARC
architecture.
All SPARC floating point registers are scratch registers with respect
to function call boundaries. That means we only have to save floating
point registers when switching threads in ISR. The registers are
stored to the corresponding thread stack.
FPU is disabled when calling ISR. Any attempt to use FPU in ISR
will generate the fp_disabled trap which causes Zephyr fatal error.
- This commit adds no new thread state.
- All FPU contest save/restore is synchronous and lazy FPU context
switch is not implemented.
Signed-off-by: Martin Åberg <martin.aberg@gaisler.com>
The debugging section was generalized for flash and debugging tools.
The links were refactored accordly and all references were updated.
To be consistent, the directory doc/guides/debbugging was renamed to
doc/guides/flash_debug.
Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
Provide a helper to extract the devicetree node_id for a GPIO
controller from a gpio phandle array. This can be used with
DEVICE_DT_GET() to directly reference the corresponding controller
device.
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
Windows does not default to an empty string when an env var is not
declared, like Linux does. Instead, explicitly default to one in order
for the .strip() call to work properly.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Updated the documantation with newly added configuration features.
Added information where to find minimal shell config file.
Added information how to activate particular features.
Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
The user documentation specifies that a list of objects passed to
k_thread_access_grant() should be terminated by NULL. The API itself
specifies that NULL should not be passed. Fix the user documentation.
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
currently pcie_get_mbar only returns the physical address.
This changes the function to return the size of the mbar and
the flags (IO Bar vs MEM BAR).
Signed-off-by: Maximilian Bachmann <m.bachmann@acontis.com>
Clarify that while any number of kernel objects can be created, there is
a limit which is set by the available RAM.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
* Add RCP library.
* Conditionally remove non required libraries not required for RCP.
* Drop :option: marker for CONFIG_OPENTHREAD_NCP_SPINEL_ON_UART_ACM
Signed-off-by: Markus Becker <markus.becker@tridonic.com>
Add support for abs with additional integer types.
This is needed to make LLVM quiet and stop warning about abs being used
with int64_t and such.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Add new function to mem_slab API that enables user
to get maximum number of slabs used so far.
Signed-off-by: Kamil Lazowski <Kamil.Lazowski@nordicsemi.no>
The introduction page lists all the architectures supported by Zephyr.
Now that SPARC V8 support has been merged, add it to the list. Also list
it in the set of architectures supported by the SDK.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Fix documentation build issue where generating the kconfig rST was
failing due to missing Kconfig.shield* files. Add an extra step in
CMakeLists.txt to properly generate them, similarly to what is already
done for Kconfig.soc*.
Signed-off-by: Fabio Utzig <fabio.utzig@nordicsemi.no>
This commit adds a C99 stdio value formatter capability where
generated text is emitted through a callback. This allows generation
of arbitrarily long output without a buffer, functionality that is
core to printk, logging, and other system and application needs.
The formatter supports most C99 specifications, excluding:
* %Lf long double conversion
* wide character output
Kconfig options allow disabling features like floating-point
conversion if they are not necessary. By default most conversions are
enabled.
The original z_vprintk() implementation is adapted to meet the
interface requirements of cbvprintf, and made available as an opt-in
feature for space-constrained applications that do not need full
formatting support.
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
Added note about change in the option for advertising directed
towards a privacy enabled peer.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Previously, ring buffer had capacity of provided buffer size - 1. This
trick was used to distinguish between empty and full states. It had one
drawback: ring buffer could not be used as a pool of equal sized buffers
(using ring_buf_put_claim and ring_buf_get_claim).
Reworked internals to use non wrapping head and tail. Since they are
non wrapping, there is no issue with distinguishing between empty and
full. Since this appraoch would be vulnerable to wrapping on 32 bit
boundary, added a mechanism which periodically reduces all indexes to
avoid 32 bit wrapping.
After this rework, buffer has one byte more capacity. Simple test shows
slight performance improvement.
Updated tests to reflect increased capacity and added test to check if
it is possible to continuesly allocated 2 buffers of half ring buffer
size.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This is documented similarly to how other command
handlers are documented. This documents that shell
management is supported, but relies on the example
project for implementation details.
Signed-off-by: Brian Bradley <brian.bradley.p@gmail.com>
deprecate DEVICE_INIT in favor of just using DEVICE_DEFINE directly.
The small handful of DEVICE_INIT users was easily converted to use
DEVICE_DEFINE or SYS_DEVICE_DEFINE.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
We deprecate nRF5340 PDK and add a note that
the board will be replaced by nRF5340 DK.
Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
Moves mesh feature configuration to a separate module, deprecating the
bt_mesh_cfg_srv structure. The initial values for the features should
now be enabled through KConfig, where new config entries have been added
for each feature.
This removes the upward dependency on the config server from the core
stack, and makes the config server a pure frontend for the configuration
states, as all spec mandated behavior around the feature states is now
encapsulated.
Signed-off-by: Trond Einar Snekvik <Trond.Einar.Snekvik@nordicsemi.no>
Adds public documentation for the Heartbeat feature in a separate page
under Bluetooth Mesh.
Signed-off-by: Trond Einar Snekvik <Trond.Einar.Snekvik@nordicsemi.no>
Add information how to run two QEMUs and have IEEE 802.15.4 link
layer over UART between them. This is useful if one needs to test
basic IEEE 802.15.4 functionality without a IEEE 802.15.4 radio.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Add generated documentation content for known devicetree bindings
using the Binding abstraction which was just added to edtlib. This
works similarly to the way Kconfig content is generated, so extract a
bit of common helper code for doing that out and rename the relevant
files to keep the distinction clear.
Make the documentation build system respect a preset DTS_ROOT. In this
way, out of tree bindings can be added to the generated content by
telling the documentation build system where to find them, identically
to how out of tree bindings can be added to a Zephyr application.
Similarly, make the output directory configurable.
Fixes: #28865
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Rework some section titles and separate the API into its own sub-page
in the reference section.
This is prep work for adding generated reference material on
devicetree bindings.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Minor fix for showing latest version in sidebar, no need for link here
that was added in recent commit.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Mention the newly introduced funtionality for Cortex-M
architecture to force the early-boot initialization of
internal architecture HW state.
Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This makes it easier to scan. The sorting is done based on the text
that appears in the HTML, not the :ref: label name.
In the case of the DMIC API, change the title of the document to match
the "Audio Codec" document so we can keep those together.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Breathe>=4.23.0 brings in basic xrefitem rendering support and fixes
issues parsing anonymous struct/unions. This version also adds a config
knob for showing or hiding enumerator values, so set it to generate
documentation compatible with previous versions.
Signed-off-by: Fabio Utzig <fabio.utzig@nordicsemi.no>
Divided doxygen API documentation into zephyr-internal API and
user API.
This make sense as user shall not use zephyr-internal API.
Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
Added information about that offsets are expressed in relation to
the flash memory beginning address.
This info was missing which cause misunderstanding of the concept
while contributing.
Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
Add description how to enable zero-latency interrupt in the application
code. Previous docs described only the Kconfig and not the flag.
Signed-off-by: Martin Jäger <martin@libre.solar>
Some information on design goals can be updated:
- we have decided against code generation for the time being
- we can do pin muxing via devicetree (this requires soc.dtsi
support, but the necessary devicetree infrastructure exists)
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
The current policy of always excluding stacks that aren't
owned by the current thread only works well on MPU systems,
where it is very fast to have a reserved MPU region corresponding
to the stack buffer of the current thread.
This unfortunately is not efficient on MMU-based systems, it
would require either a different set of page tables per thread
or an expensive page table update on context switch.
This PR relaxes the documented policy to leave it up to the
implementation whether threads that all belong to the same
memory domain can see each other's stacks.
There's lots of precedent for this, for example on Linux threads
in the same process can all access each other's stacks.
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
