early-access version 2465

This commit is contained in:
pineappleEA
2022-02-02 05:57:17 +01:00
parent 8de64a0df5
commit 09a56f2db3
9 changed files with 55 additions and 37 deletions

View File

@@ -65,16 +65,20 @@ private:
#ifdef ARCHITECTURE_x86_64
std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency,
u32 emulated_clock_frequency) {
std::unique_ptr<WallClock> CreateBestMatchingClock(u64 emulated_cpu_frequency,
u64 emulated_clock_frequency) {
const auto& caps = GetCPUCaps();
u64 rtsc_frequency = 0;
if (caps.invariant_tsc) {
rtsc_frequency = EstimateRDTSCFrequency();
}
// Fallback to StandardWallClock if rtsc period is higher than a nano second
if (rtsc_frequency <= 1000000000) {
// Fallback to StandardWallClock if the hardware TSC does not have the precision greater than:
// - A nanosecond
// - The emulated CPU frequency
// - The emulated clock counter frequency (CNTFRQ)
if (rtsc_frequency <= WallClock::NS_RATIO || rtsc_frequency <= emulated_cpu_frequency ||
rtsc_frequency <= emulated_clock_frequency) {
return std::make_unique<StandardWallClock>(emulated_cpu_frequency,
emulated_clock_frequency);
} else {
@@ -85,8 +89,8 @@ std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency,
#else
std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency,
u32 emulated_clock_frequency) {
std::unique_ptr<WallClock> CreateBestMatchingClock(u64 emulated_cpu_frequency,
u64 emulated_clock_frequency) {
return std::make_unique<StandardWallClock>(emulated_cpu_frequency, emulated_clock_frequency);
}