Commit Graph

14 Commits

Author SHA1 Message Date
Jeroen Domburg
ffeffcd315 Merge branch 'feature/crosscore_int' into 'master'
Add cross-core int to accelerate task being awoken from another CPU.

This adds a per-CPU interrupt that can be used to poke the CPU to go do something. In this case all that is implemented is a request to yield the current task, used in case a CPU unblocks a task that runs on another CPU. This gets rid of the limitation that inter-CPU communication using queues, muxes etc can take up to a FreeRTOS tick to happen.

Specs!
Sending an in in a queue of length 1 (essentially a semaphore) as quickly as possible (just a small delay in the sender, to make sure the receiver task gets swapped out) for 10 seconds. Number indicates the amount of ints transferred

Old code:

CPU0->CPU0: 42986

CPU0->CPU1,: 2999

New code:

CPU0->CPU0: 42868

CPU0->CPU1: 62073

See merge request !155
2016-10-31 11:04:28 +08:00
Jeroen Domburg
d3d9a8bc28 Most code written. Interrupts still do not fire yet. 2016-10-26 21:09:55 +08:00
Jeroen Domburg
7d254eb3f0 Move panic handler and gdbstub into esp32 component, clean up wdt according to merge req suggestions 2016-10-26 12:23:01 +08:00
Jeroen Domburg
2d393f0530 Change inline assembly bits from macros to inline functions 2016-10-20 11:23:59 +08:00
Jeroen Domburg
6a7ec425cb Detect success before errors in vPortCPUReleaseMutex. Shaves off another half uS. 2016-10-17 18:49:19 +08:00
Jeroen Domburg
c03549e117 Make uxPortCompareSet into a macro. 25uS -> 24uS 2016-10-17 18:30:13 +08:00
Jeroen Domburg
9664de6867 Add working portASSERT_IF_IN_ISR function, fix enter_critical thing even better. 2016-09-09 17:15:50 +08:00
Angus Gratton
00ea21f736 FreeRTOS: Convert portMUX_DEBUG to a configuration item 2016-08-25 16:43:59 +08:00
Angus Gratton
a04b510a21 Merge branch 'master' into feature/newlib_locking 2016-08-25 11:11:35 +08:00
Jeroen Domburg
bdf4b27e38 Add symbol needed for OpenOCD to detect FreeRTOS, add feature to break execution when the scheduler is initially started. 2016-08-24 17:32:20 +08:00
Angus Gratton
9921e60f55 freertos: Change variable name in comment 2016-08-24 13:49:17 +08:00
Jeroen Domburg
609f75a8c0 Oops, left in a debugging break.n. Removed. 2016-08-22 17:41:55 +08:00
Jeroen Domburg
925fbb587e Add static initializers for muxes, add mutex init to vPortCPUAcquireMutex 2016-08-22 17:36:32 +08:00
Ivan Grokhotkov
bd6ea4393c Initial public version 2016-08-17 23:08:22 +08:00