diff options
| -rw-r--r-- | readme.txt | 4 | ||||
| -rw-r--r-- | src/chschd.c | 39 |
2 files changed, 17 insertions, 26 deletions
diff --git a/readme.txt b/readme.txt index eb8dc38c9..4834ee4ef 100644 --- a/readme.txt +++ b/readme.txt @@ -47,8 +47,8 @@ AVR-AT90CANx-GCC - Port on AVR AT90CAN128, not complete yet. not used in this scenario and this greatly improves both code size and
speed.
It is recommended to either use ARM mode or THUMB mode and not mix them
- unless you know exactly what you are doing and understand the consequences.
- Mixing is still supported anyway.
+ unless you know exactly what you are doing. Mixing modes is still supported
+ anyway.
- More optimizations in the scheduler, an extra 4% performance found using
the default performance settings.
- Fixed a problem with the thread working area declarations, the alignment to
diff --git a/src/chschd.c b/src/chschd.c index c93b6aab7..fe42f7ccc 100644 --- a/src/chschd.c +++ b/src/chschd.c @@ -48,7 +48,7 @@ void chSchInit(void) { * @param msg message to the awakened thread
* @return the Thread pointer
* @note The function must be called in the system mutex zone.
- * @note The function does not reschedule, the \p chSchRescheduleI() should
+ * @note The function does not reschedule, the \p chSchRescheduleS() should
* be called soon after.
* @note The function is not meant to be used in the user code directly.
*/
@@ -69,25 +69,6 @@ void chSchReadyI(Thread *tp, t_msg msg) { tp->p_next->p_prev = cp->p_next = tp;
}
-/*
- * Switches to the next thread in the ready list, the ready list is assumed
- * to contain at least a thread.
- */
-#ifdef CH_OPTIMIZE_SPEED
-static INLINE void nextready(void) {
-#else
-static void nextready(void) {
-#endif
- Thread *otp = currp;
-
- (currp = fifo_remove(&rlist.r_queue))->p_state = PRCURR;
- rlist.r_preempt = CH_TIME_QUANTUM;
-#ifdef CH_USE_DEBUG
- chDbgTrace(otp, currp);
-#endif
- chSysSwitchI(&otp->p_ctx, &currp->p_ctx);
-}
-
/**
* Puts the current thread to sleep into the specified state, the next highest
* priority thread becomes running. The threads states are described into
@@ -97,10 +78,20 @@ static void nextready(void) { * @note The function must be called in the system mutex zone.
* @note The function is not meant to be used in the user code directly.
*/
+#ifdef CH_OPTIMIZE_SPEED
+INLINE void chSchGoSleepS(t_tstate newstate) {
+#else
void chSchGoSleepS(t_tstate newstate) {
+#endif
+ Thread *otp;
- currp->p_state = newstate;
- nextready();
+ (otp = currp)->p_state = newstate;
+ (currp = fifo_remove(&rlist.r_queue))->p_state = PRCURR;
+ rlist.r_preempt = CH_TIME_QUANTUM;
+#ifdef CH_USE_DEBUG
+ chDbgTrace(otp, currp);
+#endif
+ chSysSwitchI(&otp->p_ctx, &currp->p_ctx);
}
/**
@@ -112,7 +103,7 @@ void chSchGoSleepS(t_tstate newstate) { * @note The function must be called in the system mutex zone.
* @note The function is not meant to be used in the user code directly.
* @note It is equivalent to a \p chSchReadyI() followed by a
- * \p chSchRescheduleI() but much more efficient.
+ * \p chSchRescheduleS() but much more efficient.
*/
void chSchWakeupS(Thread *ntp, t_msg msg) {
@@ -151,7 +142,7 @@ void chSchRescheduleS(void) { void chSchDoRescheduleI(void) {
chSchReadyI(currp, RDY_OK);
- nextready();
+ chSchGoSleepS(PRREADY);
}
/**
|