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py/scheduler: Convert mp_sched_full and mp_sched_num_pending to macros.

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So they are guaranteed to be inlined within functions like
mp_sched_schedule which may be located in a special memory region.
This commit is contained in:
Damien George 2020-05-02 17:49:15 +10:00
parent 0f83ef395c
commit f792e6c283
2 changed files with 6 additions and 8 deletions
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4
py/runtime.h
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@ -71,9 +71,7 @@ void mp_handle_pending_tail(mp_uint_t atomic_state);
#if MICROPY_ENABLE_SCHEDULER
void mp_sched_lock(void);
void mp_sched_unlock(void);
static inline unsigned int mp_sched_num_pending(void) {
return MP_STATE_VM(sched_len);
}
#define mp_sched_num_pending() (MP_STATE_VM(sched_len))
bool mp_sched_schedule(mp_obj_t function, mp_obj_t arg);
#endif

10
py/scheduler.c
View File

@ -45,14 +45,14 @@ void MICROPY_WRAP_MP_KEYBOARD_INTERRUPT(mp_keyboard_interrupt)(void) {
#define IDX_MASK(i) ((i) & (MICROPY_SCHEDULER_DEPTH - 1))
static inline bool mp_sched_full(void) {
// This is a macro so it is guaranteed to be inlined in functions like
// mp_sched_schedule that may be located in a special memory region.
#define mp_sched_full() (mp_sched_num_pending() == MICROPY_SCHEDULER_DEPTH)
static inline bool mp_sched_empty(void) {
MP_STATIC_ASSERT(MICROPY_SCHEDULER_DEPTH <= 255); // MICROPY_SCHEDULER_DEPTH must fit in 8 bits
MP_STATIC_ASSERT((IDX_MASK(MICROPY_SCHEDULER_DEPTH) == 0)); // MICROPY_SCHEDULER_DEPTH must be a power of 2
return mp_sched_num_pending() == MICROPY_SCHEDULER_DEPTH;
}
static inline bool mp_sched_empty(void) {
return mp_sched_num_pending() == 0;
}