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Commit Graph

967 Commits

Author SHA1 Message Date
Benjamin Valentin
37116d359e core: replace RIOT_FILE_RELATIVE with __FILE__ 2022-11-19 01:48:42 +01:00
Karl Fessel
045bd7a1a2 core/lib: split kernel defines by its concerns 2022-11-11 13:41:33 +01:00
Karl Fessel
aa31dd7d66 core/macros: rewrite DIV_ROUND, DIV_ROUND_UP; add DIV_ROUND_INF 2022-11-09 17:59:18 +01:00
Benjamin Valentin
8f8bb6ce84 tests/unittests: core: add test for SIGNOF(size_t) 2022-11-09 14:23:51 +01:00
Benjamin Valentin
1eb02f7fda core/macros: fix SIGNOF() macro with size_t 2022-11-04 23:53:15 +01:00
Gunar Schorcht
de632b4df8 core/lib/xfa: fix parameter documentation 2022-11-03 10:25:37 +01:00
Marian Buschsieweke
2d2bb4b308
core/mutex: clean up
This restores a pre-existing design decision to implement both
blocking and non-blocking mutex locking with the same code. Those
implementations have been split prior to the introduction of
the `core_mutex_priority_inheritance` module when `mutex_trylock()`
indeed was trivial. This decision didn't age well, so undo it.
2022-09-29 13:12:33 +02:00
benpicco
4737d8148a
Merge pull request #17702 from benpicco/core/macros/math
core/macros: add math helper macros
2022-09-22 14:14:24 +02:00
Benjamin Valentin
c53051f72f core/macros: add math helper macros 2022-09-21 16:00:26 +02:00
Sören Tempel
80116651c2 core: Treat stack overflows as an unrecoverable error
Presently, RIOT just emits a warning when a stack overflow is
encountered but still resumes execution. In my view, execution should be
aborted as the detection of a stack overflows via the heuristic provided
by the scheduler is an unrecoverable error.

I ran into this while performing automated tests of a RIOT application
where a stack overflow occurred but I only noticed this after inspecting
the application output more closely.

Similar to SSP failures, I added crash_code for stack overflows.
2022-08-12 05:26:22 +02:00
c2a1afa12a
Merge pull request #18606 from jan-mo/fix/20220916__core_msg_queue_print_restore_irq
core/msg.c: irq was not restored properly
2022-09-17 03:45:39 +02:00
Jan Mohr
e0febd08e8 core/msg.c: irq was not restored properly 2022-09-16 15:56:17 +02:00
Gregory Holder
4d4c595185
core/mutex: fix typo in docs 2022-09-16 14:52:13 +02:00
Marian Buschsieweke
6790167a18
Merge pull request #18226 from benpicco/cpu_get_last_instruction
cpu: cpu_print_last_instruction() -> cpu_get_caller_pc()
2022-09-15 20:06:10 +02:00
Benjamin Valentin
7abaae7bbd treewide: fix typos 2022-09-15 12:12:23 +02:00
Benjamin Valentin
ea917f4b07 cpu: cpu_print_last_instruction() -> cpu_get_caller_pc() 2022-09-15 10:49:56 +02:00
Marian Buschsieweke
c07181c1c4
core/mutex: fix priority inheritance on AVR
This fixes https://github.com/RIOT-OS/RIOT/issues/18545 as the code
previously relied on `sched_change_priority()` not directly scheduling
a new thread while IRQs are disabled, but rather later when IRQs are
restored. This is true for Cortex-M MCUs (where the PendSV IRQ is used
to trigger the scheduler), but not e.g. for AVR.
2022-09-12 21:40:54 +02:00
Marian Buschsieweke
d53cd19142
core/sched.c: fix undefined behavior on 8-bit/16-bit
An `1 << x` with `x >= 15` is undefined behavior on 8-bit / 16-bit
machines (which typically have `sizeof(int) == 2`).

Using `1UL << x` is safe for `x <= 31`, which is large enough to make
use of the full 32 bits in `runqueue_bitcache`.

In addition, a `static_assert()` is added to enforce that
`SCHED_PRIO_LEVELS` is never set to anything larger than 32.
2022-09-09 21:55:17 +02:00
Marian Buschsieweke
8be03dc055
core: implement core_mutex_mitigate_priority_inversion 2022-08-05 13:08:52 +02:00
Benjamin Valentin
2e7d35f760 core/kernel_defines: drop CONST definition
This is not used anywhere in RIOT, but causes conflicts with external
library code.

So let's just get rid of this.
2022-06-16 15:26:27 +02:00
Benjamin Valentin
605f77f766 core/assert: print last instruction in assert() 2022-06-12 14:18:53 +02:00
chrysn
bdbde49753 bitarithm: Move extern const out of static inline functions
Workaround-For: https://github.com/immunant/c2rust/issues/423
2022-05-29 13:59:39 +02:00
ebdcccbd99
Merge pull request #16899 from kaspar030/queue_msg_thread_flags_yield_v2
core/msg: yield after thread_flags_wake() in queue_msg()
2022-05-06 19:04:19 +02:00
benpicco
b1715feb03
Merge pull request #17959 from benpicco/core-dummy
core: provide dummy implementation of thread and mutex for riotboot
2022-05-04 14:46:50 +02:00
Benjamin Valentin
8100203e95 core/thread, mutex: provide dummy implementation for riotboot
This is intended for the bootloader module where we don't enter thread
mode, so mutex must never attempt to switch context.

Instead use a simple busy wait that is enough to make the possible mutex
users (e.g. interrupt based SPI) in bootloader mode work.
2022-05-02 13:18:39 +02:00
Marian Buschsieweke
a405599986
core/xfa: Silence clangd warning
Use `uintptr_t` for arithmetic rather than `const char *` to fix the
following warning:

> comparePointers: Subtracting pointers that point to different objects
2022-04-26 22:15:00 +02:00
0c87335a45 core/msg: yield after thread_flags_wake() in queue_msg() 2022-04-21 17:28:41 +02:00
2ba85c1bc8 core: add support for test_utils_print_stack_usage
- activate THREAD_CREATE_STACKTEST also if test_utils_print_stack_usage
  is used

- make thread_measure_stack_free() available unconditionally

- if DEVELHELP is active, call test_utils_print_stack_usage() on any
  thread exit

- if DEVELHELP is active, call test_utils_print_stack_usage() after main
  for the idle thread, if that is used
2022-03-29 21:49:35 +02:00
Leandro Lanzieri
a7cc59d9f0
core/Kconfig: move MODULE_CORE_LIB symbol to fix menuconfig display 2022-03-18 08:23:46 +01:00
d248b2d785 core/lib: hide _XTSTR() from doxygen 2022-03-10 15:35:02 +01:00
003d64dd6c core/lib: add doxygen for LOG_* macros 2022-03-10 10:15:14 +01:00
ca4f1ec05b core/lib: add doxygen for BIT0 - BIT31 2022-03-10 10:03:14 +01:00
f94d72b7fe core: add core_lib to Kconfig 2022-03-09 21:43:05 +01:00
3db7c1150a core: split out library code
This commit splits core into it's scheduler/IPC part and into other code
that is either used or uses the scheduler, through defined APIs.
2022-03-09 21:43:05 +01:00
Martine Lenders
bb89334322
core: add functionality to check queue state of another thread 2022-03-03 16:50:34 +01:00
7c0ddbd1d8
Merge pull request #17472 from chrysn-pull-requests/doc-flags-msgs
core (largely doc): Differentiate message types from thread flags
2022-02-27 21:10:47 +01:00
chrysn
b923fec952 core/thread: Add constant value to check custom flags against
Co-authored-by: benpicco <benpicco@googlemail.com>
2022-02-26 22:17:33 +01:00
chrysn
4bbe0ec42d core/msg doc: No need for system-wide uniqueness 2022-02-26 22:08:31 +01:00
Benjamin Valentin
1bf151f01f core/init: declare board_init() 2022-02-25 15:08:58 +01:00
Karl Fessel
726c461cb5
Merge pull request #17574 from kfessel/p-fix-asserth
core/assert: avoid including panic.h with assert.h
2022-02-15 11:57:55 +01:00
Karl Fessel
ca112c224a core/assert.h: doxygen brief for __NORETURN 2022-02-15 10:34:54 +01:00
Karl Fessel
29caf39a9a core/panic.c: cleanup unneeded includes 2022-02-12 18:30:58 +01:00
Karl Fessel
0b52b3e62e core/assert: remove panic include from assert.h 2022-02-12 18:30:58 +01:00
benpicco
4aa90d3dc6
Merge pull request #16919 from maribu/core/rmutex
core/rmutex: use atomic utils
2022-02-04 11:56:05 +01:00
benpicco
5a57dec71a
Merge pull request #17093 from maribu/core/change_prio
core/sched: add sched_change_priority()
2022-01-28 20:01:20 +01:00
chrysn
fef782f735 core/thread doc: Point to helper function 2022-01-20 14:18:40 +01:00
chrysn
95b5052be4
Merge pull request #17502 from chrysn-pull-requests/queue-on-stack-never-quit
tests: Fix thread return with local message queue
2022-01-15 23:26:14 +01:00
Marian Buschsieweke
b6b7065ddc
core/rmutex: use atomic utils
Replace use of C11 atomics with atomic utils. This fixes

> error: address argument to atomic operation must be a pointer to a
>        trivially-copyable type ('_Atomic(int) *' invalid)

error when compiling on AVR with LLVM.
2022-01-14 09:52:17 +01:00
Marian Buschsieweke
d4e051596c
core/init: minor code cleanup 2022-01-12 16:15:48 +01:00
chrysn
b4a185132a core/msg: Document caution needed when having queue on the stack 2022-01-11 21:51:14 +01:00