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kern: wait 100us after synchronizing cores before saving interrupt state on sleep

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This commit is contained in:
Michael Scire 2025-05-28 10:48:42 -07:00
parent f646d9c8f9
commit 3fbc59cce1
1 changed files with 8 additions and 0 deletions
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8
libraries/libmesosphere/source/board/nintendo/nx/kern_k_sleep_manager.cpp
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@ -524,6 +524,14 @@ namespace ams::kern::board::nintendo::nx {
/* Ensure that all cores get to this point before continuing. */ /* Ensure that all cores get to this point before continuing. */
cpu::SynchronizeAllCores(); cpu::SynchronizeAllCores();
/* Wait 100us before continuing. */
{
const s64 timeout = KHardwareTimer::GetTick() + ams::svc::Tick(TimeSpan::FromMicroSeconds(100));
while (KHardwareTimer::GetTick() < timeout) {
__asm__ __volatile__("" ::: "memory");
}
}
/* Save the interrupt manager's state. */ /* Save the interrupt manager's state. */
Kernel::GetInterruptManager().Save(core_id); Kernel::GetInterruptManager().Save(core_id);