From 975aa4e2f2128b865ec5738c2704c8d37af6a7b9 Mon Sep 17 00:00:00 2001
From: lizzie <lizzie@eden-emu.dev>
Date: Fri, 15 May 2026 22:06:38 +0200
Subject: [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>
---
 src/common/arm64/native_clock.cpp | 87 ---------------------------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 src/common/arm64/native_clock.cpp

(limited to 'src/common/arm64/native_clock.cpp')

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
-- 
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