Allow configuring nano timeouts. They are disabled by default.
Change-Id: I9db0b632681ae149295acd3ed81fccdee2c4f91a
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The microkernel now announces the nanokernel ticks, and takes them into
account when computing the amount of time to stay in tickless idle.
This allows code linked against a microkernel to use the nanokernel
timers and timeouts.
Change-Id: I9436347e22fe76c2c1a314589ffc041a9a1a99a4
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The nanokernel time tracking code (ticker) can now exist in microkernel
systems. This allows the ticker that drives nano timers and timeouts to
advance the tick count for these in a microkernel, thus allow their
presence there. Previously, nano timers could not be used in a
microkernel.
Change-Id: I17f2b659691a081b0f9bf3961ed030533aa02a15
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This interface can be called by the microkernel to obtain the earliest
expiring nanokernel between the timers and timeouts, to allow the idle
code to take the correct decision w.r.t. tickless idle.
Change-Id: I9598ec2a0dd013a6a8ccc95d50105bb98ca27f54
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The system clock code only references it, it should not own it.
Change-Id: I38eb61599eb66458d5a3c3c9713cf11dc14e8a63
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Add the necessary call to dequeue the nano timeouts when a tick occurs
in the nanokernel.
Change-Id: I26fdfc4084d7564e232d8240eab8915076deaa31
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The nanokernel timers and timeouts won't be dependent on each other, so
the expiry handling code needs to be able to only contain the necessary
code depending on what is enabled in the kernel.
Change-Id: Ibb7c31e926a56ebd3e22b8eac6db05faa1c8ddd3
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The nanokernel timers will be available in the microkernel, but can be
disabled if not needed. A kconfig option is needed for that: the option
is enabled by default, and only available in the nanokernel for now. It
will be made available in the microkernel in the future.
Change-Id: I3910affde7bd2e7b25ab0a3c655255a9be01c9b8
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The nanokernel timers are now available to microkernels, alongside
nanokernel object timeouts.
Change-Id: Ia2f0b93e8f848fd02b7260e35c0322d6501c8280
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The nanokernel needs access to these values since the nanokernel objects
API will provide a way of waiting with timeouts.
Change-Id: I2b39fccc1c2a2b5ba937aff774ab2ebc649e643b
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Add the _timeout() variants to the _get_wait() routines. Those allow
waiting with a timeout. The return values are the same as for the
regular _get() routines: a valid pointer on success, NULL on failure.
Note that the task_ variant is still polling, and the task is not put on
a timeout queue, instead polling for the ticker change in addition to
data arriving on the LIFO.
Change-Id: Iad8fa00b3fa0656fee9a67b2dd8b316e1e8aac74
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Add the _timeout() variants to the _get_wait() routines. Those allow
waiting with a timeout. The return values are the same as for the
regular _get() routines: a valid pointer on success, NULL on failure.
Note that the task_ variant is still polling, and the task is not put on
a timeout queue, instead polling for the ticker change in addition to
data arriving on the FIFO.
Change-Id: I6650d0de8494c15698d670442da1e9c8d8c89910
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Add the _timeout() variants to the _take_wait() routines. Those allow
waiting with a timeout. The return values are the same as for the
regular _take() routines: 1 for success, 0 for failure.
Note that the task_ variant is still polling, and the task is not put on
a timeout queue, instead polling for the ticker change in addition to a
semaphore state change.
Change-Id: Idef357f99a5ca30e20665a25abc54d253a848a52
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This new API allows starting a fiber with a delay. It returns a handle
to allow cancelling it before the fiber starts, via the cancel API.
It also adds an API allowing a fiber to sleep for a given amount of
ticks.
NOTE: CONFIG_NANO_TIMEOUTS must be enabled.
Change-Id: I608dc47b5f08321cfd0c1dd9bb18d1d77eab87e3
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
s_NANO contains the timeout queue, and each ccs needs a struct
_nano_timeout object that gets linked in the nanokernel timeout queue.
Change-Id: Iad027eaaebcffe190e95f0b9d068f047062559c2
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The timeout queue interface will allow having fiber interacting with the
nanokernel objects wait with a timeout. It can be completely excluded
from the kernel if not needed, via the CONFIG_NANO_TIMEOUTS option.
Most of the timeout queue interface is contained within timeout_q.h.
However, this file should never be included directly: rather, the
wait_q.h file is to be included instead, which itself provides NOOP
abstractions for some timeout functions when timeouts are not enabled in
the kernel.
Change-Id: Ifeb1b934e0c71d00c59ebc88a54ab26e49686807
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The old doubly-linked list implementation had only support for very
basic operations, i.e. add at head and remove.
The new implementation is highly enhanced, allowing these operations:
- initialize list
- check if a node is the list's head
- check if a node is the list's tail
- check if the list is empty
- get a reference to the head item in the list
- get a reference to the next item in the list
- add node to tail of list
- add node to head of list
- insert node after a node
- insert node before a node
- insert node at position based on condition
- remove a specific node from a list
- get the first node in a list
The implementation is completely inline, since the operations are rather
simple and do not warrant a function call.
Change-Id: Id85c04e67f6a88b005390172f1276daa12bcf8ce
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Obtain the pointer to the encompassing object from the location of a
field in the object.
Change-Id: If8f9ffa4998c4c19b4cd17293610fff677fa0158
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Rename nanokernel's _do_sys_clock_tick_announce() to
_nano_sys_clock_tick_announce() so that it can be called from the
microkernel tick handling code without name ambiguity.
Change-Id: I2ec9dd92ceda51f00be1dd95bc3239d6b2e82943
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The #include <__assert.h> in nvic.h must be guarded by __ASMLANGUAGE
since nvic.h is usable by asm code, and __assert.h is C-only.
Change-Id: I16d72e4579705dbd0bfb55a787525c5938fd1f22
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Enables sanity to run out-of-sanity checks on a set of sample projects.
Change-Id: I58ae894b326a6eb15d6d56bc8e95738d21e17245
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Deprecates (and hides) the -B option in favor of using the -P option.
The -B option is used to specify the BSP, whereas the -P option specifies
the platform.
Change-Id: Ie1d3cd6383f08a84e5d994221b253153152a0658
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
The -s option to sanity_chk became obsolete with the switchover to Kbuild.
Change-Id: I6ab68692aea39e4289520613b53a46320044fcfb
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
The sanity scripts no longer use the deprecated method specifying the BSP (and
the optional BSP_VARIANT). Instead, they now use KBUILD_DEFCONFIG to identify
the target platform.
Change-Id: I583f876afd006e66fc314b8913cd766ba9d2b764
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Completes the separation of data from the sanity scripts.
Change-Id: Icc7a4922d5f108ca54d2c2f08b192259b07b3a0e
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
These data files will eventually replace the project list tables that are
currently defined in the various sanity checks.
Change-Id: I1b9aef528ff2acc1ba96fa540986c50e01032f68
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Changes the set of strings stored in $PRJ_TYPE from
{"microkernel", "nanokernel"} -> {"micro", "nano"}.
The $PRJ_TYPE variable will be used in later commits to create the
$KBUILD_DEFCONFIG string.
Change-Id: I9e2d866d4277ffaccff4f84a42ec2bc75c2ce57a
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Moves the Bluetooth regression script 'bt_regression.sh' so that it resides
in the same directory as the other sanity scripts. It also renames it to
'bt_regression_chk' so that its name is consistent with the other sanity
scripts.
Change-Id: Ia5a683e2c370c91a90edc648634ce56e484dcc20
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
KLIB_DIR builds are a relic from the previous build system.
Change-Id: I382db45f0a21786e1b7c50c9a881c82feb2c7481
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
In gerrit documentation, use 'Change' instead of 'Patch'.
Use terminology similar to the gerrit help.
Change-Id: Ib521d5d8742e274510079e88e270f81f3f3e7a62
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
- Put license at the bottom
- Add a title
- Change disclaimer from a heading to a rubric
Change-Id: I19b73e3a0408fd95efb514e75ea4ee028bb8f50c
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
After moving the driver code out of the bsp directory all the code
that remains is common to all x86 platforms move the code and
assocoated config variables to arch/x86.
Change-Id: I76617070bb165fd157f0c3a127f1b9829b86c283
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
