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kern: KCacheHelper: better reflect nintendo coremask clearing logic

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This commit is contained in:
Michael Scire 2021-10-23 17:44:30 -07:00
parent 71e4313d0c
commit 2490bbf4f9
1 changed files with 5 additions and 4 deletions
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9
libraries/libmesosphere/source/arch/arm64/kern_cpu.cpp
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@ -104,12 +104,12 @@ namespace ams::kern::arch::arm64::cpu {
}
void ThreadFunctionImpl() {
const s32 core_id = GetCurrentCoreId();
const u64 core_mask = (1ul << GetCurrentCoreId());
while (true) {
/* Wait for a request to come in. */
{
KScopedLightLock lk(m_cv_lock);
while ((m_target_cores.Load() & (1ul << core_id)) == 0) {
while ((m_target_cores.Load() & core_mask) == 0) {
m_cv.Wait(std::addressof(m_cv_lock));
}
}
@ -120,6 +120,8 @@ namespace ams::kern::arch::arm64::cpu {
/* Broadcast, if there's nothing pending. */
{
KScopedLightLock lk(m_cv_lock);
m_target_cores &= ~core_mask;
if (m_target_cores.Load() == 0) {
m_cv.Broadcast();
}
@ -150,6 +152,7 @@ namespace ams::kern::arch::arm64::cpu {
virtual KInterruptTask *OnInterrupt(s32 interrupt_id) override {
MESOSPHERE_UNUSED(interrupt_id);
this->ProcessOperation();
m_target_cores &= ~(1ul << GetCurrentCoreId());
return nullptr;
}
@ -286,8 +289,6 @@ namespace ams::kern::arch::arm64::cpu {
FlushDataCacheBySetWay(0);
break;
}
m_target_cores &= (~(1ul << GetCurrentCoreId()));
}
ALWAYS_INLINE void SetEventLocally() {