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Make codebase more CPU-agnostic + MacOS disclaimer (#559)

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Exzap 2022-12-07 00:48:24 +00:00 • committed by GitHub
parent 445b0afa95
commit 2c81d240a5
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GPG key ID: 4AEE18F83AFDEB23
26 changed files with 416 additions and 272 deletions
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22
src/Cafe/HW/Espresso/PPCTimer.cpp
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@ -1,9 +1,14 @@
#include "Cafe/HW/Espresso/Const.h"
#include <immintrin.h>
#include "asm/x64util.h"
#include "config/ActiveSettings.h"
#include "util/helpers/fspinlock.h"
#include "util/highresolutiontimer/HighResolutionTimer.h"
#include "Common/cpu_features.h"
#if defined(ARCH_X86_64)
#include <immintrin.h>
#pragma intrinsic(__rdtsc)
#endif
uint64 _rdtscLastMeasure = 0;
uint64 _rdtscFrequency = 0;
@ -18,8 +23,6 @@ static_assert(sizeof(uint128_t) == 16);
uint128_t _rdtscAcc{};
#pragma intrinsic(__rdtsc)
uint64 muldiv64(uint64 a, uint64 b, uint64 d)
{
uint64 diva = a / d;
@ -29,17 +32,12 @@ uint64 muldiv64(uint64 a, uint64 b, uint64 d)
return diva * b + moda * divb + moda * modb / d;
}
bool PPCTimer_hasInvariantRDTSCSupport()
{
uint32 cpuv[4];
cpuid((int*)cpuv, 0x80000007);
return ((cpuv[3] >> 8) & 1);
}
uint64 PPCTimer_estimateRDTSCFrequency()
{
if (PPCTimer_hasInvariantRDTSCSupport() == false)
forceLog_printf("Invariant TSC not supported");
#if defined(ARCH_X86_64)
if (!g_CPUFeatures.x86.invariant_tsc)
cemuLog_log(LogType::Force, "Invariant TSC not supported");
#endif
_mm_mfence();
uint64 tscStart = __rdtsc();