mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-02 18:46:52 +00:00
130 lines
2.8 KiB
C++
130 lines
2.8 KiB
C++
// Copyright (C) 2003 Dolphin Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official SVN repository and contact information can be found at
|
|
// http://code.google.com/p/dolphin-emu/
|
|
|
|
// Detect the cpu, so we'll know which optimizations to use
|
|
#pragma once
|
|
|
|
#include "ppsspp_config.h"
|
|
#include <string>
|
|
|
|
enum CPUVendor {
|
|
VENDOR_INTEL = 0,
|
|
VENDOR_AMD = 1,
|
|
VENDOR_ARM = 2,
|
|
VENDOR_OTHER = 3,
|
|
};
|
|
|
|
struct CPUInfo {
|
|
CPUVendor vendor;
|
|
|
|
// Misc
|
|
char cpu_string[0x21];
|
|
char brand_string[0x41];
|
|
bool OS64bit;
|
|
bool CPU64bit;
|
|
bool Mode64bit;
|
|
|
|
bool HTT;
|
|
|
|
// Number of real CPU cores.
|
|
int num_cores;
|
|
// Number of logical CPUs per core.
|
|
int logical_cpu_count;
|
|
|
|
bool bAtom;
|
|
bool bPOPCNT;
|
|
bool bLAHFSAHF64;
|
|
bool bLongMode;
|
|
bool bMOVBE;
|
|
bool bFXSR;
|
|
bool bLZCNT;
|
|
bool bBMI1;
|
|
bool bBMI2;
|
|
bool bBMI2_fast;
|
|
bool bXOP;
|
|
bool bRTM;
|
|
|
|
// x86 : SIMD 128 bit
|
|
bool bSSE;
|
|
bool bSSE2;
|
|
bool bSSE3;
|
|
bool bSSSE3;
|
|
bool bSSE4_1;
|
|
bool bSSE4_2;
|
|
bool bSSE4A;
|
|
bool bAES;
|
|
bool bSHA;
|
|
// x86 : SIMD 256 bit
|
|
bool bAVX;
|
|
bool bAVX2;
|
|
bool bFMA3;
|
|
bool bFMA4;
|
|
|
|
// ARM specific CPUInfo
|
|
bool bSwp;
|
|
bool bHalf;
|
|
bool bThumb;
|
|
bool bFastMult;
|
|
bool bVFP;
|
|
bool bEDSP;
|
|
bool bThumbEE;
|
|
bool bNEON;
|
|
bool bVFPv3;
|
|
bool bTLS;
|
|
bool bVFPv4;
|
|
bool bIDIVa;
|
|
bool bIDIVt;
|
|
|
|
// ARMv8 specific
|
|
bool bFP;
|
|
bool bASIMD;
|
|
|
|
// MIPS specific
|
|
bool bXBurst1;
|
|
bool bXBurst2;
|
|
|
|
// RiscV specific extension flags.
|
|
bool RiscV_M;
|
|
bool RiscV_A;
|
|
bool RiscV_F;
|
|
bool RiscV_D;
|
|
bool RiscV_C;
|
|
bool RiscV_V;
|
|
|
|
// Quirks
|
|
struct {
|
|
// Samsung Galaxy S7 devices (Exynos 8890) have a big.LITTLE configuration where the cacheline size differs between big and LITTLE.
|
|
// GCC's cache clearing function would detect the cacheline size on one and keep it for later. When clearing
|
|
// with the wrong cacheline size on the other, that's an issue. In case we want to do something different in this
|
|
// situation in the future, let's keep this as a quirk, but our current code won't detect it reliably
|
|
// if it happens on new archs. We now use better clearing code on ARM64 that doesn't have this issue.
|
|
bool bExynos8890DifferingCachelineSizes;
|
|
} sQuirks;
|
|
|
|
// Call Detect()
|
|
explicit CPUInfo();
|
|
|
|
// Turn the cpu info into a string we can show
|
|
std::string Summarize();
|
|
|
|
private:
|
|
// Detects the various cpu features
|
|
void Detect();
|
|
};
|
|
|
|
extern CPUInfo cpu_info;
|