X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fkernel%2Fao_task.c;h=dc5c19132caeb121a21b5bbe0698da713a68c9d8;hb=015d3055a52532070e96469907683c3aa3eda44e;hp=e8a092aaf660fcf6bbec48706e14d2f7936e297b;hpb=1085ec5d57e0ed5d132f2bbdac1a0b6a32c0ab4a;p=fw%2Faltos diff --git a/src/kernel/ao_task.c b/src/kernel/ao_task.c index e8a092aa..dc5c1913 100644 --- a/src/kernel/ao_task.c +++ b/src/kernel/ao_task.c @@ -29,12 +29,12 @@ #define AO_NO_TASK_INDEX 0xff -__xdata struct ao_task * __xdata ao_tasks[AO_NUM_TASKS]; -__data uint8_t ao_num_tasks; -__xdata struct ao_task *__data ao_cur_task; +struct ao_task * ao_tasks[AO_NUM_TASKS]; +uint8_t ao_num_tasks; +struct ao_task *ao_cur_task; #if !HAS_TASK_QUEUE -static __data uint8_t ao_cur_task_index; +static uint8_t ao_cur_task_index; #endif #ifdef ao_arch_task_globals @@ -290,7 +290,7 @@ ao_task_validate(void) #endif /* HAS_TASK_QUEUE */ void -ao_add_task(__xdata struct ao_task * task, void (*start)(void), __code char *name) __reentrant +ao_add_task(struct ao_task * task, void (*start)(void), const char *name) { uint8_t task_id; uint8_t t; @@ -321,7 +321,7 @@ ao_add_task(__xdata struct ao_task * task, void (*start)(void), __code char *nam ); } -__data uint8_t ao_task_minimize_latency; +uint8_t ao_task_minimize_latency; /* Task switching function. This must not use any stack variables */ void @@ -373,12 +373,16 @@ ao_yield(void) ao_arch_naked_define if (!ao_list_is_empty(&run_queue)) break; /* Wait for interrupts when there's nothing ready */ - ao_arch_wait_interrupt(); + if (ao_task_minimize_latency) { + ao_arch_release_interrupts(); + ao_arch_block_interrupts(); + } else + ao_arch_wait_interrupt(); } ao_cur_task = ao_list_first_entry(&run_queue, struct ao_task, queue); #else { - __pdata uint8_t ao_last_task_index = ao_cur_task_index; + uint8_t ao_last_task_index = ao_cur_task_index; for (;;) { ++ao_cur_task_index; if (ao_cur_task_index == ao_num_tasks) @@ -414,7 +418,7 @@ ao_yield(void) ao_arch_naked_define } uint8_t -ao_sleep(__xdata void *wchan) +ao_sleep(void *wchan) { #if HAS_TASK_QUEUE uint32_t flags; @@ -435,7 +439,7 @@ ao_sleep(__xdata void *wchan) } void -ao_wakeup(__xdata void *wchan) __reentrant +ao_wakeup(void *wchan) { ao_validate_cur_stack(); #if HAS_TASK_QUEUE @@ -466,7 +470,7 @@ ao_wakeup(__xdata void *wchan) __reentrant } uint8_t -ao_sleep_for(__xdata void *wchan, uint16_t timeout) +ao_sleep_for(void *wchan, uint16_t timeout) { uint8_t ret; if (timeout) { @@ -500,7 +504,7 @@ ao_sleep_for(__xdata void *wchan, uint16_t timeout) return ret; } -static __xdata uint8_t ao_forever; +static uint8_t ao_forever; void ao_delay(uint16_t ticks) @@ -537,7 +541,7 @@ void ao_task_info(void) { uint8_t i; - __xdata struct ao_task *task; + struct ao_task *task; uint16_t now = ao_time(); for (i = 0; i < ao_num_tasks; i++) { @@ -565,4 +569,5 @@ ao_start_scheduler(void) ao_arch_start_scheduler(); #endif ao_yield(); + __builtin_unreachable(); }