ppsspp/Common/LoongArchCPUDetect.cpp
2023-09-02 02:08:43 +08:00

121 lines
2.7 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/
#include "ppsspp_config.h"
#if PPSSPP_ARCH(LOONGARCH64)
#include "ext/cpu_features/include/cpuinfo_loongarch.h"
#if defined(CPU_FEATURES_OS_LINUX)
#define USE_CPU_FEATURES 1
#endif
#include <cstring>
#include <set>
#include <sstream>
#include <sys/auxv.h>
#include <vector>
#include "Common/Common.h"
#include "Common/CPUDetect.h"
#include "Common/StringUtils.h"
#include "Common/File/FileUtil.h"
#include "Common/Data/Encoding/Utf8.h"
// Only Linux platforms have /proc/cpuinfo
#if defined(__linux__)
const char procfile[] = "/proc/cpuinfo";
// https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices-system-cpu
const char syscpupresentfile[] = "/sys/devices/system/cpu/present";
std::string GetCPUString() {
//TODO
std::string cpu_string;
cpu_string = "Unknown";
return cpu_string;
}
std::string GetCPUBrandString() {
//TODO
std::string brand_string;
brand_string = "Unknown";
return brand_string;
}
int GetCoreCount() {
// TODO
return 4;
}
#endif
CPUInfo cpu_info;
CPUInfo::CPUInfo() {
Detect();
}
// Detects the various cpu features
void CPUInfo::Detect() {
// Set some defaults here
HTT = false;
#if PPSSPP_ARCH(LOONGARCH64)
OS64bit = true;
CPU64bit = true;
Mode64bit = true;
#else
OS64bit = false;
CPU64bit = false;
Mode64bit = false;
#endif
vendor = VENDOR_OTHER;
truncate_cpy(brand_string, "Unknown");
#if !defined(__linux__)
num_cores = 1;
logical_cpu_count = 1;
truncate_cpy(cpu_string, "Unknown");
#else // __linux__
truncate_cpy(cpu_string, GetCPUString().c_str());
truncate_cpy(brand_string, GetCPUBrandString().c_str());
num_cores = GetCoreCount();
#endif
}
std::vector<std::string> CPUInfo::Features() {
// TODO
std::vector<std::string> features;
return features;
}
// Turn the cpu info into a string we can show
std::string CPUInfo::Summarize() {
std::string sum;
if (num_cores == 1)
sum = StringFromFormat("%s, %i core", cpu_string, num_cores);
else
sum = StringFromFormat("%s, %i cores", cpu_string, num_cores);
//TODO: parse /proc/cpuinfo
return sum;
}
#endif // PPSSPP_ARCH(LOONGARCH64)