Commit Graph

4 Commits (e3bde44b876bbb0051923a3fdf668cd06b51b5ad)

Author SHA1 Message Date
0xc0170 b5c4faf6f6 Critical section - fix for cortex-a
Cortex-A does not contain primask, there's 7th bit in the CPSR register,
that contains this information. Fixes #1851.

Renames primask variables to interrupts_disabled.
2016-06-06 12:17:29 +01:00
Russ Butler f3b1d45963 Add functions for atomic access
Add core util functions for atomic increment, atomic decrement and
compare and set.
2016-06-06 10:55:55 +01:00
0xc0170 5e62c37f17 Critical - use mbed assert
uARM complained about assert:
```
Error: L6218E: Undefined symbol __aeabi_assert (referred from critical.o).
Finished: 0 information, 0 warning and 1 error messages.
[ERROR] Error: L6218E: Undefined symbol __aeabi_assert (referred from critical.o).
Finished: 0 information, 0 warning and 1 error messages.
```
2016-05-31 15:07:36 +01:00
Anna Bridge 462c917ad0 Add a c based re-entrant critical section API
This includes a generic critical section implementation.  This
implementation also allow a user to start a critical section while
interrupts are already disabled.
2016-05-27 23:27:52 -05:00