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-rw-r--r--src/common/wall_clock.cpp197
1 files changed, 0 insertions, 197 deletions
diff --git a/src/common/wall_clock.cpp b/src/common/wall_clock.cpp
deleted file mode 100644
index c06f9b6318..0000000000
--- a/src/common/wall_clock.cpp
+++ /dev/null
@@ -1,197 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "common/steady_clock.h"
-#include "common/uint128.h"
-#include "common/wall_clock.h"
-
-#ifdef __ANDROID__
-#include <sys/system_properties.h>
-#endif
-#ifdef ARCHITECTURE_x86_64
-#include "common/x64/cpu_detect.h"
-#include "common/x64/rdtsc.h"
-#endif
-
-namespace Common {
-
-#if defined(ARCHITECTURE_x86_64)
-WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept
- : invariant{invariant_}
- , rdtsc_frequency{rdtsc_frequency_}
- , ns_rdtsc_factor{invariant_ ? 0 : GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency_)}
- , us_rdtsc_factor{invariant_ ? 0 : GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency_)}
- , ms_rdtsc_factor{invariant_ ? 0 : GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency_)}
- , cntpct_rdtsc_factor{invariant_ ? 0 : GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency_)}
- , gputick_rdtsc_factor{invariant_ ? 0 : GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency_)}
-{}
-
-std::chrono::nanoseconds WallClock::GetTimeNS() const {
- if (invariant)
- return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch());
- return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
-}
-
-std::chrono::microseconds WallClock::GetTimeUS() const {
- if (invariant)
- return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch());
- return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
-}
-
-std::chrono::milliseconds WallClock::GetTimeMS() const {
- if (invariant)
- return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
- return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
-}
-
-s64 WallClock::GetCNTPCT() const {
- if (invariant)
- return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
- return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
-}
-
-s64 WallClock::GetGPUTick() const {
- if (invariant)
- return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
- return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
-}
-
-s64 WallClock::GetUptime() const {
- if (invariant)
- return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
- return s64(Common::X64::FencedRDTSC());
-}
-
-bool WallClock::IsNative() const {
- if (invariant)
- return false;
- return true;
-}
-#elif defined(HAS_NCE)
-namespace {
-
-[[nodiscard]] WallClock::FactorType GetFixedPointFactor(u64 num, u64 den) noexcept {
- return (WallClock::FactorType(num) << 64) / den;
-}
-
-[[nodiscard]] u64 MultiplyHigh(u64 m, WallClock::FactorType factor) noexcept {
- return static_cast<u64>((m * factor) >> 64);
-}
-
-[[nodiscard]] s64 GetHostCNTFRQ() noexcept {
- u64 cntfrq_el0 = 0;
-#ifdef ANDROID
- std::string_view board{""};
- char buffer[PROP_VALUE_MAX];
- int len{__system_property_get("ro.product.board", buffer)};
- board = std::string_view(buffer, static_cast<size_t>(len));
- if (board == "s5e9925") { // Exynos 2200
- cntfrq_el0 = 25600000;
- } else if (board == "exynos2100") { // Exynos 2100
- cntfrq_el0 = 26000000;
- } else if (board == "exynos9810") { // Exynos 9810
- cntfrq_el0 = 26000000;
- } else if (board == "s5e8825") { // Exynos 1280
- cntfrq_el0 = 26000000;
- } else {
- asm volatile("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
- }
- return cntfrq_el0;
-#else
- asm volatile("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
- return cntfrq_el0;
-#endif
-}
-
-} // namespace
-
-WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept {
- const u64 host_cntfrq = std::max<u64>(GetHostCNTFRQ(), 1);
- ns_cntfrq_factor = GetFixedPointFactor(NsRatio::den, host_cntfrq);
- us_cntfrq_factor = GetFixedPointFactor(UsRatio::den, host_cntfrq);
- ms_cntfrq_factor = GetFixedPointFactor(MsRatio::den, host_cntfrq);
- guest_cntfrq_factor = GetFixedPointFactor(CNTFRQ, host_cntfrq);
- gputick_cntfrq_factor = GetFixedPointFactor(GPUTickFreq, host_cntfrq);
-}
-
-std::chrono::nanoseconds WallClock::GetTimeNS() const {
- return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
-}
-
-std::chrono::microseconds WallClock::GetTimeUS() const {
- return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
-}
-
-std::chrono::milliseconds WallClock::GetTimeMS() const {
- return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
-}
-
-s64 WallClock::GetCNTPCT() const {
- return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
-}
-
-s64 WallClock::GetGPUTick() const {
- return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
-}
-
-s64 WallClock::GetUptime() const {
- s64 cntvct_el0 = 0;
- asm volatile(
- "dsb ish\n\t"
- "mrs %[cntvct_el0], cntvct_el0\n\t"
- "dsb ish\n\t"
- : [cntvct_el0] "=r"(cntvct_el0)
- );
- return cntvct_el0;
-}
-
-bool WallClock::IsNative() const {
- return true;
-}
-#else
-WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept {}
-
-std::chrono::nanoseconds WallClock::GetTimeNS() const {
- return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch());
-}
-
-std::chrono::microseconds WallClock::GetTimeUS() const {
- return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch());
-}
-
-std::chrono::milliseconds WallClock::GetTimeMS() const {
- return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
-}
-
-s64 WallClock::GetCNTPCT() const {
- return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
-}
-
-s64 WallClock::GetGPUTick() const {
- return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
-}
-
-s64 WallClock::GetUptime() const {
- return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
-}
-
-bool WallClock::IsNative() const {
- return false;
-}
-#endif
-
-WallClock CreateOptimalClock() noexcept {
-#if defined(ARCHITECTURE_x86_64)
- auto const& caps = GetCPUCaps();
- return WallClock(!(caps.invariant_tsc && caps.tsc_frequency >= std::nano::den), caps.tsc_frequency);
-#elif defined(HAS_NCE)
- return WallClock(false, 1);
-#else
- return WallClock(true, 1);
-#endif
-}
-
-} // namespace Common
generated by cgit v1.2.3 (git 2.39.1) at 2026-11-04 07:32:52 +0000