ppsspp/Common/CPUDetect.h
Unknown W. Brackets 4113fd940c Add ugly invalidation workaround for SGS7s.
Otherwise they just crash, and crash often.  Special thanks to Jaaan for
numerous trials to try to find the best way to solve the crashes.
2016-05-23 21:35:28 -07:00

112 lines
2.3 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
// Every architecture has its own define. This needs to be added to.
#if defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7S__)
#define HAVE_ARMV7 1
#endif
#include <string>
enum CPUVendor {
VENDOR_INTEL = 0,
VENDOR_AMD = 1,
VENDOR_ARM = 2,
VENDOR_OTHER = 3,
};
struct CPUInfo {
CPUVendor vendor;
char cpu_string[0x21];
char brand_string[0x41];
bool OS64bit;
bool CPU64bit;
bool Mode64bit;
bool HTT;
int num_cores;
int logical_cpu_count;
bool bSSE;
bool bSSE2;
bool bSSE3;
bool bSSSE3;
bool bPOPCNT;
bool bSSE4_1;
bool bSSE4_2;
bool bLZCNT;
bool bSSE4A;
bool bAVX;
bool bAVX2;
bool bFMA;
bool bAES;
bool bLAHFSAHF64;
bool bLongMode;
bool bAtom;
bool bBMI1;
bool bBMI2;
bool bMOVBE;
bool bFXSR;
// 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;
// Bugs
struct {
// Samsung Galaxy S7 devices (Exynos 8890) have a bug that causes invalidation to work incorrectly.
// This may be caused by interaction between the separate CPU cores.
// Padding jit blocks and over-invalidating seems to "solve" it.
// Only affects ARM64.
bool bExynos8890Invalidation;
} sBugs;
// 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;