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authorlizzie <lizzie@eden-emu.dev>2026-05-15 22:06:38 +0200
committercrueter <crueter@eden-emu.dev>2026-05-15 22:06:38 +0200
commit975aa4e2f2128b865ec5738c2704c8d37af6a7b9 (patch)
treefeec00d92e12a8c8644ea1b18769d9b225a75c73 /src/common/arm64/native_clock.cpp
parenta1f9e68f46c729a49eeaec1a81d9ac26145d2509 (diff)
[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>
Diffstat (limited to 'src/common/arm64/native_clock.cpp')
-rw-r--r--src/common/arm64/native_clock.cpp87
1 files changed, 0 insertions, 87 deletions
diff --git a/src/common/arm64/native_clock.cpp b/src/common/arm64/native_clock.cpp
deleted file mode 100644
index 76ffb74bab..0000000000
--- a/src/common/arm64/native_clock.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#ifdef ANDROID
-#include <sys/system_properties.h>
-#endif
-#include "common/arm64/native_clock.h"
-
-namespace Common::Arm64 {
-
-namespace {
-
-NativeClock::FactorType GetFixedPointFactor(u64 num, u64 den) {
- return (static_cast<NativeClock::FactorType>(num) << 64) / den;
-}
-
-u64 MultiplyHigh(u64 m, NativeClock::FactorType factor) {
- return static_cast<u64>((m * factor) >> 64);
-}
-
-} // namespace
-
-NativeClock::NativeClock() {
- const u64 host_cntfrq = GetHostCNTFRQ();
- 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 NativeClock::GetTimeNS() const {
- return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
-}
-
-std::chrono::microseconds NativeClock::GetTimeUS() const {
- return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
-}
-
-std::chrono::milliseconds NativeClock::GetTimeMS() const {
- return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
-}
-
-s64 NativeClock::GetCNTPCT() const {
- return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
-}
-
-s64 NativeClock::GetGPUTick() const {
- return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
-}
-
-s64 NativeClock::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 NativeClock::IsNative() const {
- return true;
-}
-
-s64 NativeClock::GetHostCNTFRQ() {
- u64 cntfrq_el0 = 0;
- std::string_view board{""};
-#ifdef ANDROID
- char buffer[PROP_VALUE_MAX];
- int len{__system_property_get("ro.product.board", buffer)};
- board = std::string_view(buffer, static_cast<size_t>(len));
-#endif
- 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("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
- }
- return cntfrq_el0;
-}
-
-} // namespace Common::Arm64