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core_timing: Use CNTPCT as the guest CPU tick

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Previously, we were mixing the raw CPU frequency and CNTFRQ.
The raw CPU frequency (1020 MHz) should've never been used as CNTPCT (whose frequency is CNTFRQ) is the only counter available.
This commit is contained in:
Morph 2023-04-23 00:01:08 -04:00
parent fb3bb63880
commit 2856fadaa0
14 changed files with 47 additions and 122 deletions
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5
src/core/hle/kernel/k_scheduler.cpp
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@ -184,7 +184,8 @@ u64 KScheduler::UpdateHighestPriorityThread(KThread* highest_thread) {
prev_highest_thread != highest_thread) [[likely]] {
if (prev_highest_thread != nullptr) [[likely]] {
IncrementScheduledCount(prev_highest_thread);
prev_highest_thread->SetLastScheduledTick(m_kernel.System().CoreTiming().GetCPUTicks());
prev_highest_thread->SetLastScheduledTick(
m_kernel.System().CoreTiming().GetClockTicks());
}
if (m_state.should_count_idle) {
if (highest_thread != nullptr) [[likely]] {
@ -351,7 +352,7 @@ void KScheduler::SwitchThread(KThread* next_thread) {
// Update the CPU time tracking variables.
const s64 prev_tick = m_last_context_switch_time;
const s64 cur_tick = m_kernel.System().CoreTiming().GetCPUTicks();
const s64 cur_tick = m_kernel.System().CoreTiming().GetClockTicks();
const s64 tick_diff = cur_tick - prev_tick;
cur_thread->AddCpuTime(m_core_id, tick_diff);
if (cur_process != nullptr) {