DuckDuckWhale/yuzu
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu.git synced 2024-12-16 20:56:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #11955 from t895/cntfrq-fix

Browse Source 
arm: NativeClock: Special handling for bad system counter clock frequ…
This commit is contained in:
liamwhite 2023-11-03 21:14:01 -04:00 committed by GitHub
commit 9631dedea9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/common/arm64/native_clock.cpp
View File

@ -1,6 +1,9 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later // SPDX-License-Identifier: GPL-2.0-or-later
#ifdef ANDROID
#include <sys/system_properties.h>
#endif
#include "common/arm64/native_clock.h" #include "common/arm64/native_clock.h"
namespace Common::Arm64 { namespace Common::Arm64 {
@ -65,7 +68,23 @@ bool NativeClock::IsNative() const {
u64 NativeClock::GetHostCNTFRQ() { u64 NativeClock::GetHostCNTFRQ() {
u64 cntfrq_el0 = 0; u64 cntfrq_el0 = 0;
asm("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0)); 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; return cntfrq_el0;
} }