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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2009-09-13 12:06:08 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2009-09-13 12:06:08 +0000
commitd688b84d2585d3bedbd682417313bcb581b1a1fc (patch)
treee85b89a70b154a1b07c6ae3513fdad2a8cfc0140 /os
parentc5496788e53c99371c2f4a36c67dcbf556176398 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1162 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os')
-rw-r--r--os/kernel/include/scheduler.h4
-rw-r--r--os/kernel/src/chschd.c7
-rw-r--r--os/ports/GCC/ARM7/chcoreasm.s2
-rw-r--r--os/ports/GCC/ARMCM3/chcore.c6
-rw-r--r--os/ports/GCC/ARMCM3/chcore.h2
-rw-r--r--os/ports/GCC/AVR/chcore.h2
-rw-r--r--os/ports/GCC/MSP430/chcore.h2
7 files changed, 13 insertions, 12 deletions
diff --git a/os/kernel/include/scheduler.h b/os/kernel/include/scheduler.h
index f3216bb7a..a8196a9b6 100644
--- a/os/kernel/include/scheduler.h
+++ b/os/kernel/include/scheduler.h
@@ -97,7 +97,7 @@ extern "C" {
void chSchWakeupS(Thread *tp, msg_t msg);
void chSchDoRescheduleI(void);
void chSchRescheduleS(void);
- bool_t chSchRescRequiredI(void);
+ bool_t chSchIsRescRequiredExI(void);
#if CH_USE_ROUNDROBIN
void chSchDoYieldS(void);
#endif
@@ -117,7 +117,7 @@ extern "C" {
* @details This function returns @p TRUE if there is a ready thread with
* higher priority.
*/
-#define chSchMustRescheduleS() (firstprio(&rlist.r_queue) > currp->p_prio)
+#define chSchIsRescRequiredI() (firstprio(&rlist.r_queue) > currp->p_prio)
#endif /* _SCHEDULER_H_ */
diff --git a/os/kernel/src/chschd.c b/os/kernel/src/chschd.c
index 08ecf46a0..7c65e3fd6 100644
--- a/os/kernel/src/chschd.c
+++ b/os/kernel/src/chschd.c
@@ -211,7 +211,7 @@ void chSchDoRescheduleI(void) {
*/
void chSchRescheduleS(void) {
- if (chSchMustRescheduleS())
+ if (chSchIsRescRequiredI())
chSchDoRescheduleI();
}
@@ -222,8 +222,11 @@ void chSchRescheduleS(void) {
*
* @retval TRUE if there is a thread that should go in running state.
* @retval FALSE if a reschedulation is not required.
+ *
+ * @note This function is meant to be used in the timer interrupt handler
+ * where @p chVTDoTickI() is invoked.
*/
-bool_t chSchRescRequiredI(void) {
+bool_t chSchIsRescRequiredExI(void) {
tprio_t p1 = firstprio(&rlist.r_queue);
tprio_t p2 = currp->p_prio;
#if CH_USE_ROUNDROBIN
diff --git a/os/ports/GCC/ARM7/chcoreasm.s b/os/ports/GCC/ARM7/chcoreasm.s
index da942269a..2b08d0607 100644
--- a/os/ports/GCC/ARM7/chcoreasm.s
+++ b/os/ports/GCC/ARM7/chcoreasm.s
@@ -166,7 +166,7 @@ _port_irq_common:
.code 32
.globl _port_irq_common
_port_irq_common:
- bl chSchRescRequiredI
+ bl chSchIsRescRequiredExI
#endif /* !THUMB_NO_INTERWORKING */
cmp r0, #0 // Simply returns if a
ldmeqfd sp!, {r0-r3, r12, lr} // reschedule is not
diff --git a/os/ports/GCC/ARMCM3/chcore.c b/os/ports/GCC/ARMCM3/chcore.c
index 4e9874f82..7973659fe 100644
--- a/os/ports/GCC/ARMCM3/chcore.c
+++ b/os/ports/GCC/ARMCM3/chcore.c
@@ -61,13 +61,11 @@ void _port_unlock(void) {
*/
CH_IRQ_HANDLER(SysTickVector) {
- CH_IRQ_PROLOGUE();
-
chSysLockFromIsr();
chSysTimerHandlerI();
+ if (chSchIsRescRequiredExI())
+ SCB_ICSR = ICSR_PENDSVSET;
chSysUnlockFromIsr();
-
- CH_IRQ_EPILOGUE();
}
/**
diff --git a/os/ports/GCC/ARMCM3/chcore.h b/os/ports/GCC/ARMCM3/chcore.h
index daff52090..ffcb59b2a 100644
--- a/os/ports/GCC/ARMCM3/chcore.h
+++ b/os/ports/GCC/ARMCM3/chcore.h
@@ -211,7 +211,7 @@ struct context {
*/
#define PORT_IRQ_EPILOGUE() { \
chSysLockFromIsr(); \
- if (chSchRescRequiredI()) \
+ if (chSchIsRescRequiredI()) \
SCB_ICSR = ICSR_PENDSVSET; \
chSysUnlockFromIsr(); \
}
diff --git a/os/ports/GCC/AVR/chcore.h b/os/ports/GCC/AVR/chcore.h
index 18439b9fe..b452e0227 100644
--- a/os/ports/GCC/AVR/chcore.h
+++ b/os/ports/GCC/AVR/chcore.h
@@ -190,7 +190,7 @@ struct context {
* invoke system APIs.
*/
#define PORT_IRQ_EPILOGUE() { \
- if (chSchRescRequiredI()) \
+ if (chSchIsRescRequiredExI()) \
chSchDoRescheduleI(); \
}
diff --git a/os/ports/GCC/MSP430/chcore.h b/os/ports/GCC/MSP430/chcore.h
index f903a116a..8ae84b5c1 100644
--- a/os/ports/GCC/MSP430/chcore.h
+++ b/os/ports/GCC/MSP430/chcore.h
@@ -157,7 +157,7 @@ struct context {
* invoke system APIs.
*/
#define PORT_IRQ_EPILOGUE() { \
- if (chSchRescRequiredI()) \
+ if (chSchIsRescRequiredExI()) \
chSchDoRescheduleI(); \
}