The ARM64 port is currently using SP_EL0 for everything: kernel threads,
user threads and exceptions. In addition when taking an exception the
exception code is still using the thread SP without relying on any
interrupt stack.
If from one hand this makes the context switch really quick because the
thread context is already on the thread stack so we have only to save
one register (SP) for the whole context, on the other hand the major
limitation introduced by this choice is that if for some reason the
thread SP is corrupted or pointing to some unaccessible location (for
example in case of stack overflow), the exception code is unable to
recover or even deal with it.
The usual way of dealing with this kind of problems is to use a
dedicated interrupt stack on SP_EL1 when servicing the exceptions. The
real drawback of this is that, in case of context switch, all the
context must be copied from the shared interrupt stack into a
thread-specific stack or structure, so it is really slow.
We use here an hybrid approach, sacrificing a bit of stack space for a
quicker context switch. While nothing really changes for kernel threads,
for user threads we now use the privileged stack (already present to
service syscalls) as interrupt stack.
When an exception arrives the code now switches to use SP_EL1 that for
user threads is always pointing inside the privileged portion of the
stack of the current running thread. This achieves two things: (1)
isolate exceptions and syscall code to use a stack that is isolated,
privileged and not accessible to user threads and (2) the thread SP is
not touched at all during exceptions, so it can be invalid or corrupted
without any direct consequence.
Signed-off-by: Carlo Caione <ccaione@baylibre.com>
This change enables A, C, D, E, G, H, I, J, K, and L groups,
and fix gpio interrupt function.
This change also pull (and rename) dt-bindings/irq.h to
dt-bindings/interrupt-controller/ite-intc.h, because it is
chip-specific.
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Change-Id: Ifee039981c2cc4cf5980e663702a9921e629fc1e
With balancing in twister fixed, reduce matrix size for now, since we
are running tests only for native_posix.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Do calculation based on what is actually going to be run and evaluated
at runtime, ignore the cases we already know going to be skipped.
This fixes an issue where some sets would get majority of skips and
basically run nothing beside filtering.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
NPCX PWM supports output buffet select to push-pull or open-drain. Add
output buffer select option 'drive-open-drain' in devicetree for NPCX
PWM. If set, the PWM output will be configured as open-drain. If not
set, defaults to push-pull.
Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
Signed-off-by: Wealian Liao <WHLIAO@nuvoton.com>
During polling ITEN bit to make sure ITIM timer is enabled, we might
have the chance that npcx_itim_evt_enable() return fake error when
timeout expired but ITEN bit is set already if CONFIG_ZERO_LATENCY_IRQS
is enabled. (Since SVCall's interrupt priority is not the highest, the
other interrupts with IRQ_ZERO_LATENCY flag could preempt CPU resource
at this moment.)
In order to prevent return fake error code, this CL adjusts the check
conditions for ITEN bit and timeout.
Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
NPCX host access IRQ enables before entering deep sleep. The pending
bit lets chip wake up from sleep immediately. Clear host access IRQ
pending bit before enabling.
Signed-off-by: Wealian Liao <WHLIAO@nuvoton.com>
When compiler results are piped through a non-terminal (e.g. ninja)
the compiler disables colour diagnostics. Using `-fdiagnostics-color`
forces the compiler to enable colour output. This flag is always
enabled for clang and gcc.
Setting `CONFIG_COMPILER_COLOR_DIAGNOSTICS=n` disables this
feature and reverts to plain diagnostic messages with no formatting.
Signed-off-by: Arvin Farahmand <arvinf@ip-logix.com>
With some additional macro-magic we can remove the CMake-based header
file template feature, and instead take advantage of the usual
DT_INST_FOREACH_STATUS_OKAY() macro.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
There are no boards that need hard-coded interrupts so just remove this
build-time conditional branch. The way going forward is that all PCIe
devices should always use PCIE_IRQ_DETECT.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Logging attempts to do most of the work at compile time instead
of preprocessor by using conditions which can be resolved at
compile time (e.g. if (IS_ENABLED(...))). Apparently, such extensive
use significantly loads the compiler since all paths are compiled
even though cut from final binary. Patch reduces it by replacing
some compile time switch with preprocessor.
Handling of function name prefix has been moved to preprocessor.
Immediate logging v2 has also been moved to preprocessor.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
All skips for platforms listed in the .yaml's integration_platforms
will be treated as errors in the integration mode ('-G/--integration').
This feature serves to guarantee a proper testing scope in CI as no
integration platform will be skipped silently.
Fixes#33874
Signed-off-by: Maciej Perkowski <Maciej.Perkowski@nordicsemi.no>
Move ec_host_cmd.h out of the top level include/ dir into
include/mgmt/ec_host_cmd.h and deprecated the old location.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Move emul.h out of the top level include/ dir into
include/drivers/emul.h and deprecated the old location.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Add Radio interface to perform back-to-back transmit of PDU
with a configurable inter frame spacing.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
nRF53 implementation of sw_switch always requires Radio End
event, hence optimize out redundant code due to explicit use
of radio_tmr_end_capture.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Minor indentation change and replaced if-then-else-if clause
with toggle implementation.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
The binding-template.yaml file has grown organically into something
that's out of control.
It makes too many 'see above' and 'see below' references to be read
comfortably, and we can't cross reference from YAML.
There are also many example DTS and YAML fragments scattered about in
comments, which cannot be syntax highlighted properly.
Fix that by overhauling the documentation into bindings.rst in the DT
guide. This will let us link to individual sections when answering
questions, allows us to cross-reference and use '.. code-block::',
etc.
A couple of things need to go to other pages.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Break it down in a table based on each supported type in the bindings
language and add cross-references.
Move the section higher up, to make it easier to find.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Improve the existing documentation by showing explicitly how to access
all of the properties in the example /zephyr,user node. This makes
use of the new DT_FOREACH_PROP_ELEM() macro in particular.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
It can be convenient to "iterate" over the elements of a property, in
the same way it is convenient to "iterate" over enabled instances.
Add a new macro for doing this, along with a DT_INST_FOREACH_PROP_ELEM
variant.
This is likely to be more convenient than UTIL_LISTIFY or FOR_EACH in
some situations because:
- it handles inputs of any length
- compiler error messages will be shorter and more self-contained
- it is easier to use with phandle-array type properties, which
require more complicated macro boilerplate when used with
util_macro.h APIs
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
We already have support for handling the Zephyr binding "path" type in
edtlib.Node._prop_val(), but the binding inference code isn't making
use of that. Handle this type as well, as it is just as convenient as
Type.PHANDLE and can be more idiomatic depending on the situation.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Instead of hard-coding constants, use an IntEnum.
These is still a subclass of 'int', but is both easier to import and
easier to read during debugging.
For example, compare:
>>> Type.BYTES
<Type.BYTES: 1>
with:
>>> TYPE_BYTES
1
However, 'Type.BYTES == 1' is still True, and the enum values
otherwise behave like you would expect.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
When shell had too many pending log messages it was attempting to
drop expired messages and retrying to put the new message. There
was an assumption that enough messages are dropped and new message
can be put. It may not be the case if no message expired during
given time. Wrapped the operation in loop to continue until expired
message is freed and new message is enqueued.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
With LLVM and native_posix, this is not defined and is not available in
limits.h. Workaround the issue for now.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Z_CBPRINTF_ARG_SIZE macro is called for each argument in
logging macros. If argument is a string literal an intention
of this macro is to return size of a pointer. Suppressing
warning which appears in that case.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
Add abstraction for llvm to allow for toolchain customizations that are
different from the gcc defaults.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This library is coded with standard POSIX names for socket functions,
so make that requirement explicit.
Also, switch it from select'ing NET_SOCKETS, to depend'ing on it. This
follows the general approach of avoiding unneeded select's in Zephyr,
which lead to conflicting dependencies and make debugging dependencies
complex overall. In this particular case, it's fair (for a user) to
expect that "simple network time protocol" requires networking API,
namely sockets, and have that explicitly on in their app configuration,
giving better overview of their app config overall.
Fixes: #34165
Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Adds name length checks. The OTS spec does not
explicitely specifiy a maximum name length, but the
maximum name length in the directory listing object
shall be less or equal to 120 octets.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
Adds additional length checks for the OTS directory listing
implementation. This will check the object name length and
the total length of the object when encoding,
as well as the length of the objects when removing objects
from the directory listing.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
1. add a seperate 2 cores SMP board configuration to run in Jailhouse
inmate Cell, root Cell Linux will use Core0 and Core1, Zephyr will
run on Core2 and Core3.
2. Refine the code of dts, move SoC common dts nodes into dtsi fiel in
dts/arm64/nxp/ directory.
3. Add myself to be code owner of directory dts/arm64/nxp/.
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
