summaryrefslogtreecommitdiffstats
path: root/pk/ppe42/ppe42_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'pk/ppe42/ppe42_core.c')
-rw-r--r--pk/ppe42/ppe42_core.c63
1 files changed, 1 insertions, 62 deletions
diff --git a/pk/ppe42/ppe42_core.c b/pk/ppe42/ppe42_core.c
index b49b8855..2fa86e68 100644
--- a/pk/ppe42/ppe42_core.c
+++ b/pk/ppe42/ppe42_core.c
@@ -29,64 +29,6 @@ ppe42_timebase_data_t ppe42_tb_data = {0};
PkTimebase ppe42_64bit_timebase = 0;
-/// Enable interrupt preemption
-///
-/// This API can only be called from an interrupt context. Threads will
-/// always be preempted by interrupts unless they explicitly disable
-/// interrupts with the \c pk_interrupt_disable() API. It is legal to call
-/// this API redundantly.
-///
-/// Be careful when enabling interrupt handler preemption that the interrupt
-/// being handled does not/can not trigger again, as this could rapidly lead
-/// to stack overflows.
-///
-/// Return values other then PK_OK (0) are errors; see \ref pk_errors
-///
-/// \retval 0 Successful completion
-///
-/// \retval -PK_ILLEGAL_CONTEXT The API call was not made from an interrupt
-/// context.
-
-int
-pk_interrupt_preemption_enable()
-{
- if (PK_ERROR_CHECK_API) {
- PK_ERROR_UNLESS_ANY_INTERRUPT_CONTEXT();
- }
-
- wrteei(1);
-
- return PK_OK;
-}
-
-
-/// Disable interrupt preemption
-///
-/// This API can only be called from an interrupt context. Threads will
-/// always be preempted by interrupts unless they explicitly disable
-/// interrupts with the \c pk_interrupt_disable() API. It is legal to call
-/// this API redundantly.
-///
-/// Return values other then PK_OK (0) are errors; see \ref pk_errors
-///
-/// \retval 0 Successful completion
-///
-/// \retval -PK_ILLEGAL_CONTEXT The API call was not made from an interrupt
-/// context.
-
-int
-pk_interrupt_preemption_disable()
-{
- if (PK_ERROR_CHECK_API) {
- PK_ERROR_UNLESS_ANY_INTERRUPT_CONTEXT();
- }
-
- wrteei(0);
-
- return PK_OK;
-}
-
-
#if PK_TIMER_SUPPORT
// The tickless kernel timer mechanism for PPE42
@@ -160,10 +102,7 @@ __pk_schedule_hardware_timeout(PkTimebase timeout)
}
else
{
- //FIXME: We have to multiply the difference by 16
- //to workaround missing support for selecting the
- //external dec_timer clock source for the decrementer.
- diff = (timeout - now) << 4;
+ diff = (timeout - now);
if (diff > 0xfffffffful)
{
OpenPOWER on IntegriCloud