--- a/kernel/eka/nkernsmp/x86/ncutils.cpp Thu Aug 19 11:14:22 2010 +0300
+++ b/kernel/eka/nkernsmp/x86/ncutils.cpp Tue Aug 31 16:34:26 2010 +0300
@@ -17,10 +17,6 @@
#include <x86.h>
-extern "C" {
-extern SVariantInterfaceBlock* VIB;
-}
-
//#define __DBG_MON_FAULT__
//#define __RAM_LOADED_CODE__
//#define __EARLY_DEBUG__
@@ -32,7 +28,7 @@
return TheScheduler.iIdleGenerationCount;
}
-void NKern::Idle()
+void NKern::DoIdle()
{
TScheduler& s = TheScheduler;
TSubScheduler& ss = SubScheduler(); // OK since idle thread is locked to CPU
@@ -57,8 +53,19 @@
return;
}
}
+ if (ss.iCurrentThread->iSavedSP)
+ {
+ // rescheduled between entry to NKern::Idle() and here
+ // go round again to see if any more threads to pull from other CPUs
+ __e32_atomic_ior_ord32(&s.iCpusNotIdle, m); // we aren't idle after all
+ s.iIdleSpinLock.UnlockIrq();
+ return;
+ }
+
s.iIdleSpinLock.UnlockOnly(); // leave interrupts disabled
+
NKIdle(0);
+
}
TUint32 ContextId()
@@ -314,23 +321,25 @@
void NKern::Init0(TAny* a)
{
__KTRACE_OPT(KBOOT,DEBUGPRINT("VIB=%08x", a));
- VIB = (SVariantInterfaceBlock*)a;
- __NK_ASSERT_ALWAYS(VIB && VIB->iVer==0 && VIB->iSize==sizeof(SVariantInterfaceBlock));
- __KTRACE_OPT(KBOOT,DEBUGPRINT("iVer=%d iSize=%d", VIB->iVer, VIB->iSize));
- __KTRACE_OPT(KBOOT,DEBUGPRINT("iMaxCpuClock=%08x %08x", I64HIGH(VIB->iMaxCpuClock), I64LOW(VIB->iMaxCpuClock)));
- __KTRACE_OPT(KBOOT,DEBUGPRINT("iTimestampFreq=%u", VIB->iTimestampFreq));
- __KTRACE_OPT(KBOOT,DEBUGPRINT("iMaxTimerClock=%u", VIB->iMaxTimerClock));
+ SVariantInterfaceBlock* v = (SVariantInterfaceBlock*)a;
+ TheScheduler.iVIB = v;
+ __NK_ASSERT_ALWAYS(v && v->iVer==0 && v->iSize==sizeof(SVariantInterfaceBlock));
+ __KTRACE_OPT(KBOOT,DEBUGPRINT("iVer=%d iSize=%d", v->iVer, v->iSize));
+ __KTRACE_OPT(KBOOT,DEBUGPRINT("iMaxCpuClock=%08x %08x", I64HIGH(v->iMaxCpuClock), I64LOW(v->iMaxCpuClock)));
+ __KTRACE_OPT(KBOOT,DEBUGPRINT("iTimestampFreq=%u", v->iTimestampFreq));
+ __KTRACE_OPT(KBOOT,DEBUGPRINT("iMaxTimerClock=%u", v->iMaxTimerClock));
TInt i;
for (i=0; i<KMaxCpus; ++i)
{
TSubScheduler& ss = TheSubSchedulers[i];
- ss.i_TimerMultF = (TAny*)KMaxTUint32;
- ss.i_TimerMultI = (TAny*)0x01000000u;
- ss.i_CpuMult = (TAny*)KMaxTUint32;
- VIB->iTimerMult[i] = (volatile STimerMult*)&ss.i_TimerMultF;
- VIB->iCpuMult[i] = (volatile TUint32*)&ss.i_CpuMult;
+ ss.iSSX.iCpuFreqRI.Set(v->iCpuFreqR[i]);
+ ss.iSSX.iTimerFreqRI.Set(v->iTimerFreqR[i]);
+
+ ss.iSSX.iTimestampOffset.i64 = 0;
+ v->iCpuFreqR[i] = 0;
+ v->iTimerFreqR[i] = 0;
}
- TheScheduler.i_TimerMax = (TAny*)(VIB->iMaxTimerClock / 128);
+ TheScheduler.iSX.iTimerMax = (v->iMaxTimerClock / 128);
InitFpu();
InterruptInit0();
}
@@ -351,7 +360,7 @@
*/
EXPORT_C TInt NKern::TimesliceTicks(TUint32 aMicroseconds)
{
- TUint32 mf32 = (TUint32)TheScheduler.i_TimerMax;
+ TUint32 mf32 = (TUint32)TheScheduler.iSX.iTimerMax;
TUint64 mf(mf32);
TUint64 ticks = mf*TUint64(aMicroseconds) + UI64LIT(999999);
ticks /= UI64LIT(1000000);
@@ -361,3 +370,24 @@
return (TInt)ticks;
}
+TBool TSubScheduler::Detached()
+ {
+ return FALSE;
+ }
+
+TBool TScheduler::CoreControlSupported()
+ {
+ return FALSE;
+ }
+
+void TScheduler::CCInitiatePowerUp(TUint32 /*aCores*/)
+ {
+ }
+
+void TScheduler::CCIndirectPowerDown(TAny*)
+ {
+ }
+
+void TScheduler::DoFrequencyChanged(TAny*)
+ {
+ }