mirror of
https://github.com/yuzu-emu/yuzu-android.git
synced 2024-11-27 18:14:22 +01:00
Correct CNTPCT to use Clock Cycles instead of Cpu Cycles.
This commit is contained in:
parent
99da6362c4
commit
5b7ec71fb7
@ -12,6 +12,7 @@
|
||||
#include "core/core.h"
|
||||
#include "core/core_cpu.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/core_timing_util.h"
|
||||
#include "core/gdbstub/gdbstub.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/svc.h"
|
||||
@ -119,7 +120,7 @@ public:
|
||||
return std::max(parent.core_timing.GetDowncount(), 0);
|
||||
}
|
||||
u64 GetCNTPCT() override {
|
||||
return parent.core_timing.GetTicks();
|
||||
return CpuCyclesToClockCycles(parent.core_timing.GetTicks());
|
||||
}
|
||||
|
||||
ARM_Dynarmic& parent;
|
||||
@ -151,7 +152,7 @@ std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
|
||||
config.tpidr_el0 = &cb->tpidr_el0;
|
||||
config.dczid_el0 = 4;
|
||||
config.ctr_el0 = 0x8444c004;
|
||||
config.cntfrq_el0 = 19200000; // Value from fusee.
|
||||
config.cntfrq_el0 = Timing::CNTFREQ; // Value from fusee.
|
||||
|
||||
// Unpredictable instructions
|
||||
config.define_unpredictable_behaviour = true;
|
||||
|
@ -60,4 +60,11 @@ s64 nsToCycles(u64 ns) {
|
||||
return (BASE_CLOCK_RATE * static_cast<s64>(ns)) / 1000000000;
|
||||
}
|
||||
|
||||
u64 CpuCyclesToClockCycles(u64 ticks) {
|
||||
u64 result = ticks;
|
||||
result *= CNTFREQ;
|
||||
result /= BASE_CLOCK_RATE;
|
||||
return static_cast<u64>(result);
|
||||
}
|
||||
|
||||
} // namespace Core::Timing
|
||||
|
@ -11,6 +11,7 @@ namespace Core::Timing {
|
||||
// The below clock rate is based on Switch's clockspeed being widely known as 1.020GHz
|
||||
// The exact value used is of course unverified.
|
||||
constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch clock speed is 1020MHz un/docked
|
||||
constexpr u64 CNTFREQ = 19200000; // Value from fusee.
|
||||
|
||||
inline s64 msToCycles(int ms) {
|
||||
// since ms is int there is no way to overflow
|
||||
@ -61,4 +62,6 @@ inline u64 cyclesToMs(s64 cycles) {
|
||||
return cycles * 1000 / BASE_CLOCK_RATE;
|
||||
}
|
||||
|
||||
u64 CpuCyclesToClockCycles(u64 ticks);
|
||||
|
||||
} // namespace Core::Timing
|
||||
|
Loading…
Reference in New Issue
Block a user