diff options
Diffstat (limited to 'core/cortex-m0/task.c')
| -rw-r--r-- | core/cortex-m0/task.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/core/cortex-m0/task.c b/core/cortex-m0/task.c index 274b6a263d..e8aec0926e 100644 --- a/core/cortex-m0/task.c +++ b/core/cortex-m0/task.c @@ -22,7 +22,7 @@ typedef union { * for __switchto() to work. */ uint32_t sp; /* Saved stack pointer for context switch */ - uint32_t events; /* Bitmaps of received events */ + atomic_t events; /* Bitmaps of received events */ uint64_t runtime; /* Time spent in task */ uint32_t *stack; /* Start of stack */ }; @@ -136,13 +136,13 @@ task_ *current_task = (task_ *)scratchpad; * can do their init within a task switching context. The hooks task will then * make a call to enable all tasks. */ -static uint32_t tasks_ready = BIT(TASK_ID_HOOKS); +static atomic_t tasks_ready = BIT(TASK_ID_HOOKS); /* * Initially allow only the HOOKS and IDLE task to run, regardless of ready * status, in order for HOOK_INIT to complete before other tasks. * task_enable_all_tasks() will open the flood gates. */ -static uint32_t tasks_enabled = BIT(TASK_ID_HOOKS) | BIT(TASK_ID_IDLE); +static atomic_t tasks_enabled = BIT(TASK_ID_HOOKS) | BIT(TASK_ID_IDLE); static int start_called; /* Has task swapping started */ @@ -197,7 +197,7 @@ task_id_t task_get_current(void) return current_task - tasks; } -uint32_t *task_get_event_bitmap(task_id_t tskid) +atomic_t *task_get_event_bitmap(task_id_t tskid) { task_ *tsk = __task_id_to_ptr(tskid); return &tsk->events; @@ -304,7 +304,9 @@ void task_start_irq_handler(void *excep_return) * Continue iff the tasks are ready and we are not called from another * exception (as the time accouting is done in the outer irq). */ - if (!start_called || ((uint32_t)excep_return & 0xf) == 1) + if (!start_called + || (((uint32_t)excep_return & EXC_RETURN_MODE_MASK) + == EXC_RETURN_MODE_HANDLER)) return; exc_start_time = t; @@ -322,7 +324,9 @@ void task_end_irq_handler(void *excep_return) * Continue iff the tasks are ready and we are not called from another * exception (as the time accouting is done in the outer irq). */ - if (!start_called || ((uint32_t)excep_return & 0xf) == 1) + if (!start_called + || (((uint32_t)excep_return & EXC_RETURN_MODE_MASK) + == EXC_RETURN_MODE_HANDLER)) return; /* Track time in interrupts */ @@ -565,7 +569,7 @@ void task_print_list(void) ccputs("Task Ready Name Events Time (s) StkUsed\n"); for (i = 0; i < TASK_ID_COUNT; i++) { - char is_ready = (tasks_ready & (1<<i)) ? 'R' : ' '; + char is_ready = ((uint32_t)tasks_ready & BIT(i)) ? 'R' : ' '; uint32_t *sp; int stackused = tasks_init[i].stack_size; @@ -576,7 +580,7 @@ void task_print_list(void) stackused -= sizeof(uint32_t); ccprintf("%4d %c %-16s %08x %11.6lld %3d/%3d\n", i, is_ready, - task_names[i], tasks[i].events, tasks[i].runtime, + task_names[i], (int)tasks[i].events, tasks[i].runtime, stackused, tasks_init[i].stack_size); cflush(); } @@ -619,10 +623,10 @@ DECLARE_CONSOLE_COMMAND(taskinfo, command_task_info, static int command_task_ready(int argc, char **argv) { if (argc < 2) { - ccprintf("tasks_ready: 0x%08x\n", tasks_ready); + ccprintf("tasks_ready: 0x%08x\n", (int)tasks_ready); } else { tasks_ready = strtoi(argv[1], NULL, 16); - ccprintf("Setting tasks_ready to 0x%08x\n", tasks_ready); + ccprintf("Setting tasks_ready to 0x%08x\n", (int)tasks_ready); __schedule(0, 0); } |