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https://git.eden-emu.dev/eden-emu/eden
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[common] remove ptr indirection on WallClock (#3864)
also devirtualizes manually since compiler doesn't do it with LTO Signed-off-by: lizzie <lizzie@eden-emu.dev> Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3864 Reviewed-by: crueter <crueter@eden-emu.dev>
This commit is contained in:
lizzie
crueter
parent
a1f9e68f46
commit
975aa4e2f2
14 changed files with 300 additions and 404 deletions
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@ -184,8 +184,6 @@ if(ARCHITECTURE_x86_64)
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x64/cpu_detect.h
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x64/cpu_wait.cpp
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x64/cpu_wait.h
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x64/native_clock.cpp
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x64/native_clock.h
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x64/rdtsc.cpp
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x64/rdtsc.h
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x64/xbyak_abi.h
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@ -193,10 +191,6 @@ if(ARCHITECTURE_x86_64)
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target_link_libraries(common PRIVATE xbyak::xbyak)
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endif()
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if(HAS_NCE)
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target_sources(common PRIVATE arm64/native_clock.cpp arm64/native_clock.h)
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endif()
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if(MSVC)
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target_compile_definitions(
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common
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@ -1,87 +0,0 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#ifdef ANDROID
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#include <sys/system_properties.h>
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#endif
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#include "common/arm64/native_clock.h"
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namespace Common::Arm64 {
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namespace {
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NativeClock::FactorType GetFixedPointFactor(u64 num, u64 den) {
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return (static_cast<NativeClock::FactorType>(num) << 64) / den;
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}
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u64 MultiplyHigh(u64 m, NativeClock::FactorType factor) {
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return static_cast<u64>((m * factor) >> 64);
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}
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} // namespace
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NativeClock::NativeClock() {
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const u64 host_cntfrq = GetHostCNTFRQ();
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ns_cntfrq_factor = GetFixedPointFactor(NsRatio::den, host_cntfrq);
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us_cntfrq_factor = GetFixedPointFactor(UsRatio::den, host_cntfrq);
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ms_cntfrq_factor = GetFixedPointFactor(MsRatio::den, host_cntfrq);
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guest_cntfrq_factor = GetFixedPointFactor(CNTFRQ, host_cntfrq);
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gputick_cntfrq_factor = GetFixedPointFactor(GPUTickFreq, host_cntfrq);
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}
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std::chrono::nanoseconds NativeClock::GetTimeNS() const {
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return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
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}
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std::chrono::microseconds NativeClock::GetTimeUS() const {
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return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
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}
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std::chrono::milliseconds NativeClock::GetTimeMS() const {
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return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
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}
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s64 NativeClock::GetCNTPCT() const {
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return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
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}
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s64 NativeClock::GetGPUTick() const {
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return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
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}
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s64 NativeClock::GetUptime() const {
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s64 cntvct_el0 = 0;
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asm volatile("dsb ish\n\t"
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"mrs %[cntvct_el0], cntvct_el0\n\t"
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"dsb ish\n\t"
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: [cntvct_el0] "=r"(cntvct_el0));
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return cntvct_el0;
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}
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bool NativeClock::IsNative() const {
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return true;
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}
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s64 NativeClock::GetHostCNTFRQ() {
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u64 cntfrq_el0 = 0;
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std::string_view board{""};
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#ifdef ANDROID
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char buffer[PROP_VALUE_MAX];
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int len{__system_property_get("ro.product.board", buffer)};
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board = std::string_view(buffer, static_cast<size_t>(len));
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#endif
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if (board == "s5e9925") { // Exynos 2200
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cntfrq_el0 = 25600000;
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} else if (board == "exynos2100") { // Exynos 2100
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cntfrq_el0 = 26000000;
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} else if (board == "exynos9810") { // Exynos 9810
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cntfrq_el0 = 26000000;
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} else if (board == "s5e8825") { // Exynos 1280
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cntfrq_el0 = 26000000;
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} else {
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asm("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
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}
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return cntfrq_el0;
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}
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} // namespace Common::Arm64
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@ -1,45 +0,0 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/wall_clock.h"
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namespace Common::Arm64 {
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class NativeClock final : public WallClock {
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public:
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explicit NativeClock();
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std::chrono::nanoseconds GetTimeNS() const override;
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std::chrono::microseconds GetTimeUS() const override;
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std::chrono::milliseconds GetTimeMS() const override;
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s64 GetCNTPCT() const override;
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s64 GetGPUTick() const override;
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s64 GetUptime() const override;
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bool IsNative() const override;
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static s64 GetHostCNTFRQ();
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public:
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using FactorType = unsigned __int128;
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FactorType GetGuestCNTFRQFactor() const {
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return guest_cntfrq_factor;
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}
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private:
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FactorType ns_cntfrq_factor;
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FactorType us_cntfrq_factor;
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FactorType ms_cntfrq_factor;
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FactorType guest_cntfrq_factor;
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FactorType gputick_cntfrq_factor;
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};
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} // namespace Common::Arm64
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@ -1,77 +1,196 @@
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// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/steady_clock.h"
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#include "common/uint128.h"
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#include "common/wall_clock.h"
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#ifdef __ANDROID__
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#include <sys/system_properties.h>
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#endif
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#ifdef ARCHITECTURE_x86_64
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#include "common/x64/cpu_detect.h"
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#include "common/x64/native_clock.h"
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#include "common/x64/rdtsc.h"
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#endif
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#ifdef HAS_NCE
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#include "common/arm64/native_clock.h"
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#endif
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namespace Common {
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class StandardWallClock final : public WallClock {
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public:
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explicit StandardWallClock() {}
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std::chrono::nanoseconds GetTimeNS() const override {
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return std::chrono::duration_cast<std::chrono::nanoseconds>(
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std::chrono::system_clock::now().time_since_epoch());
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}
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std::chrono::microseconds GetTimeUS() const override {
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return std::chrono::duration_cast<std::chrono::microseconds>(
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std::chrono::system_clock::now().time_since_epoch());
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}
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std::chrono::milliseconds GetTimeMS() const override {
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return std::chrono::duration_cast<std::chrono::milliseconds>(
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std::chrono::system_clock::now().time_since_epoch());
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}
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s64 GetCNTPCT() const override {
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return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
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}
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s64 GetGPUTick() const override {
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return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
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}
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s64 GetUptime() const override {
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return std::chrono::duration_cast<std::chrono::nanoseconds>(
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std::chrono::steady_clock::now().time_since_epoch())
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.count();
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}
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bool IsNative() const override {
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return false;
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}
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};
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std::unique_ptr<WallClock> CreateOptimalClock() {
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#if defined(ARCHITECTURE_x86_64)
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const auto& caps = GetCPUCaps();
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WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept
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: invariant{invariant_}
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, rdtsc_frequency{rdtsc_frequency_}
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, ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency_)}
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, us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency_)}
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, ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency_)}
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, cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency_)}
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, gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency_)}
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{}
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if (caps.invariant_tsc && caps.tsc_frequency >= std::nano::den) {
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return std::make_unique<X64::NativeClock>(caps.tsc_frequency);
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} else {
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// Fallback to StandardWallClock if the hardware TSC
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// - Is not invariant
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// - Is not more precise than 1 GHz (1ns resolution)
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return std::make_unique<StandardWallClock>();
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}
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std::chrono::nanoseconds WallClock::GetTimeNS() const {
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if (invariant)
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return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch());
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return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
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}
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std::chrono::microseconds WallClock::GetTimeUS() const {
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if (invariant)
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return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch());
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return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
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}
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std::chrono::milliseconds WallClock::GetTimeMS() const {
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if (invariant)
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return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
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return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
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}
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s64 WallClock::GetCNTPCT() const {
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if (invariant)
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return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
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return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
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}
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s64 WallClock::GetGPUTick() const {
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if (invariant)
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return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
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return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
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}
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s64 WallClock::GetUptime() const {
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if (invariant)
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return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
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return s64(Common::X64::FencedRDTSC());
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}
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bool WallClock::IsNative() const {
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if (invariant)
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return false;
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return true;
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}
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#elif defined(HAS_NCE)
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return std::make_unique<Arm64::NativeClock>();
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namespace {
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[[nodiscard]] WallClock::FactorType GetFixedPointFactor(u64 num, u64 den) noexcept {
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return (WallClock::FactorType(num) << 64) / den;
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}
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[[nodiscard]] u64 MultiplyHigh(u64 m, WallClock::FactorType factor) noexcept {
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return static_cast<u64>((m * factor) >> 64);
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}
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[[nodiscard]] s64 GetHostCNTFRQ() noexcept {
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u64 cntfrq_el0 = 0;
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#ifdef ANDROID
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std::string_view board{""};
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char buffer[PROP_VALUE_MAX];
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int len{__system_property_get("ro.product.board", buffer)};
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board = std::string_view(buffer, static_cast<size_t>(len));
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if (board == "s5e9925") { // Exynos 2200
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cntfrq_el0 = 25600000;
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} else if (board == "exynos2100") { // Exynos 2100
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cntfrq_el0 = 26000000;
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} else if (board == "exynos9810") { // Exynos 9810
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cntfrq_el0 = 26000000;
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} else if (board == "s5e8825") { // Exynos 1280
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cntfrq_el0 = 26000000;
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} else {
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asm volatile("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
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}
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return cntfrq_el0;
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#else
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return std::make_unique<StandardWallClock>();
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asm volatile("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
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return cntfrq_el0;
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#endif
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}
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} // namespace
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WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept {
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const u64 host_cntfrq = std::max<u64>(GetHostCNTFRQ(), 1);
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ns_cntfrq_factor = GetFixedPointFactor(NsRatio::den, host_cntfrq);
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us_cntfrq_factor = GetFixedPointFactor(UsRatio::den, host_cntfrq);
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ms_cntfrq_factor = GetFixedPointFactor(MsRatio::den, host_cntfrq);
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guest_cntfrq_factor = GetFixedPointFactor(CNTFRQ, host_cntfrq);
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gputick_cntfrq_factor = GetFixedPointFactor(GPUTickFreq, host_cntfrq);
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}
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std::chrono::nanoseconds WallClock::GetTimeNS() const {
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return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
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}
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std::chrono::microseconds WallClock::GetTimeUS() const {
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return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
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}
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std::chrono::milliseconds WallClock::GetTimeMS() const {
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return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
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}
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s64 WallClock::GetCNTPCT() const {
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return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
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}
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s64 WallClock::GetGPUTick() const {
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return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
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}
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s64 WallClock::GetUptime() const {
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s64 cntvct_el0 = 0;
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asm volatile(
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"dsb ish\n\t"
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"mrs %[cntvct_el0], cntvct_el0\n\t"
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"dsb ish\n\t"
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: [cntvct_el0] "=r"(cntvct_el0)
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);
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return cntvct_el0;
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}
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bool WallClock::IsNative() const {
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return true;
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}
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#else
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WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept {}
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std::chrono::nanoseconds WallClock::GetTimeNS() const {
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return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch());
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}
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std::chrono::microseconds WallClock::GetTimeUS() const {
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return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch());
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}
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std::chrono::milliseconds WallClock::GetTimeMS() const {
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return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
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}
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s64 WallClock::GetCNTPCT() const {
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return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
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}
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s64 WallClock::GetGPUTick() const {
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return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
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}
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s64 WallClock::GetUptime() const {
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return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
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}
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bool WallClock::IsNative() const {
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return false;
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}
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#endif
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WallClock CreateOptimalClock() noexcept {
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#if defined(ARCHITECTURE_x86_64)
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auto const& caps = GetCPUCaps();
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return WallClock(!(caps.invariant_tsc && caps.tsc_frequency >= std::nano::den), std::max<u64>(caps.tsc_frequency, 1));
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#elif defined(HAS_NCE)
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return WallClock(false, 1);
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#else
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return WallClock(true, 1);
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#endif
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}
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@ -1,4 +1,4 @@
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// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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@ -20,28 +20,28 @@ public:
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static constexpr u64 GPUTickFreq = 614'400'000; // GM20B GPU Tick Frequency = 614.4 MHz
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static constexpr u64 CPUTickFreq = 1'020'000'000; // T210/4 A57 CPU Tick Frequency = 1020.0 MHz
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virtual ~WallClock() = default;
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explicit WallClock(bool invariant, u64 rdtsc_frequency_) noexcept;
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/// @returns The time in nanoseconds since the construction of this clock.
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virtual std::chrono::nanoseconds GetTimeNS() const = 0;
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std::chrono::nanoseconds GetTimeNS() const;
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/// @returns The time in microseconds since the construction of this clock.
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virtual std::chrono::microseconds GetTimeUS() const = 0;
|
||||
std::chrono::microseconds GetTimeUS() const;
|
||||
|
||||
/// @returns The time in milliseconds since the construction of this clock.
|
||||
virtual std::chrono::milliseconds GetTimeMS() const = 0;
|
||||
std::chrono::milliseconds GetTimeMS() const;
|
||||
|
||||
/// @returns The guest CNTPCT ticks since the construction of this clock.
|
||||
virtual s64 GetCNTPCT() const = 0;
|
||||
s64 GetCNTPCT() const;
|
||||
|
||||
/// @returns The guest GPU ticks since the construction of this clock.
|
||||
virtual s64 GetGPUTick() const = 0;
|
||||
s64 GetGPUTick() const;
|
||||
|
||||
/// @returns The raw host timer ticks since an indeterminate epoch.
|
||||
virtual s64 GetUptime() const = 0;
|
||||
s64 GetUptime() const;
|
||||
|
||||
/// @returns Whether the clock directly uses the host's hardware clock.
|
||||
virtual bool IsNative() const = 0;
|
||||
bool IsNative() const;
|
||||
|
||||
static inline u64 NSToCNTPCT(u64 ns) {
|
||||
return ns * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
|
||||
|
|
@ -85,8 +85,33 @@ protected:
|
|||
using CPUTickToUsRatio = std::ratio<std::micro::den, CPUTickFreq>;
|
||||
using CPUTickToCNTPCTRatio = std::ratio<CNTFRQ, CPUTickFreq>;
|
||||
using CPUTickToGPUTickRatio = std::ratio<GPUTickFreq, CPUTickFreq>;
|
||||
|
||||
#if defined(ARCHITECTURE_x86_64)
|
||||
bool invariant;
|
||||
u64 rdtsc_frequency;
|
||||
u64 ns_rdtsc_factor;
|
||||
u64 us_rdtsc_factor;
|
||||
u64 ms_rdtsc_factor;
|
||||
u64 cntpct_rdtsc_factor;
|
||||
u64 gputick_rdtsc_factor;
|
||||
#elif defined(HAS_NCE)
|
||||
public:
|
||||
using FactorType = unsigned __int128;
|
||||
|
||||
FactorType GetGuestCNTFRQFactor() const {
|
||||
return guest_cntfrq_factor;
|
||||
}
|
||||
protected:
|
||||
FactorType ns_cntfrq_factor;
|
||||
FactorType us_cntfrq_factor;
|
||||
FactorType ms_cntfrq_factor;
|
||||
FactorType guest_cntfrq_factor;
|
||||
FactorType gputick_cntfrq_factor;
|
||||
#else
|
||||
|
||||
#endif
|
||||
};
|
||||
|
||||
[[nodiscard]] std::unique_ptr<WallClock> CreateOptimalClock();
|
||||
[[nodiscard]] WallClock CreateOptimalClock() noexcept;
|
||||
|
||||
} // namespace Common
|
||||
|
|
|
|||
|
|
@ -1,46 +0,0 @@
|
|||
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#include "common/uint128.h"
|
||||
#include "common/x64/native_clock.h"
|
||||
#include "common/x64/rdtsc.h"
|
||||
|
||||
namespace Common::X64 {
|
||||
|
||||
NativeClock::NativeClock(u64 rdtsc_frequency_)
|
||||
: rdtsc_frequency{rdtsc_frequency_}, ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den,
|
||||
rdtsc_frequency)},
|
||||
us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency)},
|
||||
ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency)},
|
||||
cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)},
|
||||
gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency)} {}
|
||||
|
||||
std::chrono::nanoseconds NativeClock::GetTimeNS() const {
|
||||
return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
|
||||
}
|
||||
|
||||
std::chrono::microseconds NativeClock::GetTimeUS() const {
|
||||
return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
|
||||
}
|
||||
|
||||
std::chrono::milliseconds NativeClock::GetTimeMS() const {
|
||||
return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
|
||||
}
|
||||
|
||||
s64 NativeClock::GetCNTPCT() const {
|
||||
return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
|
||||
}
|
||||
|
||||
s64 NativeClock::GetGPUTick() const {
|
||||
return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
|
||||
}
|
||||
|
||||
s64 NativeClock::GetUptime() const {
|
||||
return static_cast<s64>(FencedRDTSC());
|
||||
}
|
||||
|
||||
bool NativeClock::IsNative() const {
|
||||
return true;
|
||||
}
|
||||
|
||||
} // namespace Common::X64
|
||||
|
|
@ -1,38 +0,0 @@
|
|||
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/wall_clock.h"
|
||||
|
||||
namespace Common::X64 {
|
||||
|
||||
class NativeClock final : public WallClock {
|
||||
public:
|
||||
explicit NativeClock(u64 rdtsc_frequency_);
|
||||
|
||||
std::chrono::nanoseconds GetTimeNS() const override;
|
||||
|
||||
std::chrono::microseconds GetTimeUS() const override;
|
||||
|
||||
std::chrono::milliseconds GetTimeMS() const override;
|
||||
|
||||
s64 GetCNTPCT() const override;
|
||||
|
||||
s64 GetGPUTick() const override;
|
||||
|
||||
s64 GetUptime() const override;
|
||||
|
||||
bool IsNative() const override;
|
||||
|
||||
private:
|
||||
u64 rdtsc_frequency;
|
||||
|
||||
u64 ns_rdtsc_factor;
|
||||
u64 us_rdtsc_factor;
|
||||
u64 ms_rdtsc_factor;
|
||||
u64 cntpct_rdtsc_factor;
|
||||
u64 gputick_rdtsc_factor;
|
||||
};
|
||||
|
||||
} // namespace Common::X64
|
||||
Loading…
Add table
Add a link
Reference in a new issue