- Renames to K_MEM_POOL_DEFINE() for consistency
- Adds alignment parameter to align the pool buffer.
Jira: ZEP-926
Change-Id: I6cf0a1ce45c3a0fc5f0675047d8928659df1e75e
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
K_THREAD_DEFINE() can no longer specify a thread group. However, it now
accepts a 'delay' parameter just as k_thread_spawn() does.
To create a statically defined thread that may belong to one or more thread
groups the new internal _MDEF_THREAD_DEFINE() macro is used. It is only used
for legacy purposes.
Threads can not both have a delayed start AND belong to a thread group.
Jira: ZEP-916
Change-Id: Ia6e59ddcb4fc68f1f60f9c6b0f4f227f161ad1bb
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Tweak mailbox API parameters so that not only are their descriptions
correct, but their names match across header file and C file.
Change-Id: Ieeb3a40fb7c535a5eac2e06533d01d13aaf69181
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
The routine k_pipe_block_put() is only available if the system has
been configured for asynchronous pipe sends.
Change-Id: I642fecc961ca4ef4ac8839a01ffd4125c30794b8
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
- Reorders parameters where necessary
- Adds alignment parameter to K_PIPE_DEFINE()
- Renames parameters where necessary so they are sync'd
between header and source files
Change-Id: I4f2367abc28aff646cc90beb9f08bb266e143b0c
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Gets rid of official support for dynamic timer allocation
in the unified kernel, since users can easily define and
initialize timers at any time. Legacy support for dynamic
timers is maintained for backwards compatibility reasons
for the time being ...
Change-Id: I12b3e25914fe11e3886065bee4e96fb96f59b299
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Folds this API into k_stack_init() to provide a single API
that requires the caller to pass in the stack buffer, just
as is done for other kernel objects initialization APIs
involving the use of a buffer.
Change-Id: Icad5fd6e5387d634738d1574f8dfbc5421cd642d
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
* Gets rid of k_current_priority_get(). Users can just call
k_thread_priority_get(k_current_get()) instead.
* Declares k_thread_priority_get() in kernel.h, where it
really belongs.
* Removes duplicate declaration of k_thread_priority_set().
Change-Id: I616ae6f2e06c95ecba3b92324186b3fa29162fd1
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Gets rid of unified kernel APIs that will never be implemented.
(i.e. They were proposed, but are no longer considered desirable.)
Change-Id: I63ff0d2cdef355d21595f2a778ef5d5b18796149
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Allows unified kernel to support legacy microkernel applications
that use private tasks.
Also renames the unified kernel macro for defining a thread
to be consistent with the naming used for defining other kernel
objects.
Change-Id: I667d87056138c45c291dd848344e4051bf9fd1ff
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
These can be re-introduced if a kernel workload measuring
capability is added to the unified kernel.
Change-Id: Id7ad9c1239667511ffcecf571126301c9b278929
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Timers are based off timeouts now, which can only be enabled when the
system clock is enabled. So the three are really just one setting now.
Keep the NANO_TIMERS and NANO_TIMEOUTS around for now until all
middleware that rely on them is updated. They are always enabled when
SYS_CLOCK_EXISTS is enabled.
Change-Id: Iaef1302ef9ad8fc5640542ab6d7304d67aafcfdc
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Rename remaining functions to fit with kernel naming convention for
internal interfaces. Use struct k_thread instead of struct tcs.
Change-Id: I28cd7f6f4d7ddaeb825c8d2999242d8d2dd93f31
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This makes k_work_submit to allow resubmits when the work is pending so
the user code don't have to check the pending flag to avoid a possible
assert.
Change-Id: Ic39f3dc5936837ce84ad028cf3d426d0558c2925
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This adds k_work_pending which can be use to check if a k_work is
pending execution.
Change-Id: Ifd56e8d65d555c7e9722c547fe83e13e886d63cd
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Replaces it with a pointer as there is no need for an opaque memory
pool type.
Jira: ZEP-916
Change-Id: I5493eed25c9c34e1b850dc3b20699864edb22d28
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Moves the following internal thread group APIs from the public
kernel.h header file to the more private thread.c source file as
they do not need to be public APIs.
_k_task_list_start[];
_k_task_list_end[];
_FOREACH_STATIC_THREAD()
is_in_any_group()
Change-Id: I0b731fb0c20a5574cb1b3c1397803af82918d69d
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Was using dlist macro instead of slist macro.
ZEP-1021.
Change-Id: I374ae88289669ca03e3c0c76d33fa0229977e403
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Simple conversion from ticks for now.
Change-Id: Ib81fc738d45641a6a3a88d2adec1f3eb861f3f97
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The basic conversion, i.e. not handling the TICKS_UNLIMITED case, is
useful internally since the kernel is still tick-based.
Change-Id: I00a01047ec48dad6834dd8ea5dc831eb8c0c2501
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Most apps run fine with static k_timer objects. Don't pay the cost
for the timer pool if no one asks for it.
Also turn off the allocate/free API in the header if it can't possibly
work at runtime as it's an obviously-detectable error that would
otherwise be visible only at runtime.
Change-Id: I492e6e01c4213e3544f707247eea6e4bc601fefd
Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
Does not need to return anything, since it simply resets the count.
Change-Id: I1185ea1728a9809178afa53b3dba47f7650218e2
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The K_<obj>_DEFINE macros in the unified kernel create objects of name
'name', and not a pointer named 'name' to an object. Some macros
contained the code from early prototyping.
Change-Id: I7262570fbe0b267012874eac0185b4e0cd7f523d
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
So let the helper return the right type.
Change-Id: I850937a70fe042e42c06cb53ad736c8904221f1b
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Due to the memory pool structure only static declaration of
memory pool is possible.
Change-Id: I4797ed88fd2ac3b7812ff26e552e1745611c4575
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
Semaphore groups are enabled by default. Disabling them will both
decrease the footprint as well as improve the performance of the
k_sem_give() routine.
Change-Id: If6c1b0e2e1f71afd43e620f05f17068039d12b05
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Summary of what this includes:
initialization:
Copy from nano_init.c, with the following changes:
- the main thread is the continuation of the init thread, but an idle
thread is created as well
- _main() initializes threads in groups and starts the EXE group
- the ready queues are initialized
- the main thread is marked as non-essential once the system init is
done
- a weak main() symbol is provided if the application does not provide a
main() function
scheduler:
Not an exhaustive list, but basically provide primitives for:
- adding/removing a thread to/from a wait queue
- adding/removing a thread to/from the ready queue
- marking thread as ready
- locking/unlocking the scheduler
- instead of locking interrupts
- getting/setting thread priority
- checking what state (coop/preempt) a thread is currenlty running in
- rescheduling threads
- finding what thread is the next to run
- yielding/sleeping/aborting sleep
- finding the current thread
threads:
- Add operationns on threads, such as creating and starting them.
standardized handling of kernel object return codes:
- Kernel objects now cause _Swap() to return the following values:
0 => operation successful
-EAGAIN => operation timed out
-Exxxxx => operation failed for another reason
- The thread's swap_data field can be used to return any additional
information required to complete the operation, such as the actual
result of a successful operation.
timeouts:
- same as nano timeouts, renamed to simply 'timeouts'
- the kernel is still tick-based, but objects take timeout values in
ms for forward compatibility with a tickless kernel.
semaphores:
- Port of the nanokernel semaphores, which have the same basic behaviour
as the microkernel ones. Semaphore groups are not yet implemented.
- These semaphores are enhanced in that they accept an initial count and a
count limit. This allows configuring them as binary semaphores, and also
provisioning them without having to "give" the semaphore multiple times
before using them.
mutexes:
- Straight port of the microkernel mutexes. An init function is added to
allow defining them at runtime.
pipes:
- straight port
timers:
- amalgamation of nano and micro timers, with all functionalities
intact.
events:
- re-implementation, using semaphores and workqueues.
mailboxes:
- straight port
message queues:
- straight port of microkernel FIFOs
memory maps:
- straight port
workqueues:
- Basically, have all APIs follow the k_ naming rule, and use the _timeout
subsystem from the unified kernel directory, and not the _nano_timeout
one.
stacks:
- Port of the nanokernel stacks. They can now have multiple threads
pending on them and threads can wait with a timeout.
LIFOs:
- Straight port of the nanokernel LIFOs.
FIFOs:
- Straight port of the nanokernel FIFOs.
Work by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
Peter Mitsis <peter.mitsis@windriver.com>
Allan Stephens <allan.stephens@windriver.com>
Benjamin Walsh <benjamin.walsh@windriver.com>
Change-Id: Id3cadb3694484ab2ca467889cfb029be3cd3a7d6
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
