151 lines
4.3 KiB
C++
151 lines
4.3 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "base/tools/String.h"
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#include <array>
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#include <cstring>
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#include <fstream>
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#include <thread>
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#if __ARM_FEATURE_CRYPTO && !defined(__APPLE__)
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# include <sys/auxv.h>
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# ifndef __FreeBSD__
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# include <asm/hwcap.h>
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# else
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# include <stdint.h>
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# include <machine/armreg.h>
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# ifndef ID_AA64ISAR0_AES_VAL
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# define ID_AA64ISAR0_AES_VAL ID_AA64ISAR0_AES
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# endif
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# endif
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#endif
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#include "backend/cpu/platform/BasicCpuInfo.h"
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#include "3rdparty/rapidjson/document.h"
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#if defined(XMRIG_OS_UNIX)
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namespace xmrig {
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extern String cpu_name_arm();
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} // namespace xmrig
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#elif defined(XMRIG_OS_MACOS)
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# include <sys/sysctl.h>
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#endif
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xmrig::BasicCpuInfo::BasicCpuInfo() :
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m_threads(std::thread::hardware_concurrency())
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{
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m_units.resize(m_threads);
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for (int32_t i = 0; i < static_cast<int32_t>(m_threads); ++i) {
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m_units[i] = i;
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}
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# if (XMRIG_ARM == 8)
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memcpy(m_brand, "ARMv8", 5);
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# else
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memcpy(m_brand, "ARMv7", 5);
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# endif
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# if __ARM_FEATURE_CRYPTO
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# if defined(__APPLE__)
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m_flags.set(FLAG_AES, true);
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# elif defined(__FreeBSD__)
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uint64_t isar0 = READ_SPECIALREG(id_aa64isar0_el1);
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m_flags.set(FLAG_AES, ID_AA64ISAR0_AES_VAL(isar0) >= ID_AA64ISAR0_AES_BASE);
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# else
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m_flags.set(FLAG_AES, getauxval(AT_HWCAP) & HWCAP_AES);
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# endif
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# endif
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# if defined(XMRIG_OS_UNIX)
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auto name = cpu_name_arm();
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if (!name.isNull()) {
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strncpy(m_brand, name, sizeof(m_brand) - 1);
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}
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m_flags.set(FLAG_PDPE1GB, std::ifstream("/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages").good());
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# elif defined(XMRIG_OS_MACOS)
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size_t buflen = sizeof(m_brand);
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sysctlbyname("machdep.cpu.brand_string", &m_brand, &buflen, nullptr, 0);
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# endif
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}
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const char *xmrig::BasicCpuInfo::backend() const
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{
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return "basic/1";
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}
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xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint32_t) const
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{
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# ifdef XMRIG_ALGO_GHOSTRIDER
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if (algorithm.family() == Algorithm::GHOSTRIDER) {
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return CpuThreads(threads(), 8);
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}
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# endif
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return CpuThreads(threads());
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}
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rapidjson::Value xmrig::BasicCpuInfo::toJSON(rapidjson::Document &doc) const
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{
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using namespace rapidjson;
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auto &allocator = doc.GetAllocator();
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Value out(kObjectType);
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out.AddMember("brand", StringRef(brand()), allocator);
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out.AddMember("aes", hasAES(), allocator);
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out.AddMember("avx2", false, allocator);
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out.AddMember("x64", is64bit(), allocator); // DEPRECATED will be removed in the next major release.
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out.AddMember("64_bit", is64bit(), allocator);
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out.AddMember("l2", static_cast<uint64_t>(L2()), allocator);
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out.AddMember("l3", static_cast<uint64_t>(L3()), allocator);
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out.AddMember("cores", static_cast<uint64_t>(cores()), allocator);
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out.AddMember("threads", static_cast<uint64_t>(threads()), allocator);
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out.AddMember("packages", static_cast<uint64_t>(packages()), allocator);
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out.AddMember("nodes", static_cast<uint64_t>(nodes()), allocator);
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out.AddMember("backend", StringRef(backend()), allocator);
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out.AddMember("msr", "none", allocator);
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out.AddMember("assembly", "none", allocator);
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# if (XMRIG_ARM == 8)
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out.AddMember("arch", "aarch64", allocator);
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# else
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out.AddMember("arch", "aarch32", allocator);
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# endif
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Value flags(kArrayType);
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if (hasAES()) {
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flags.PushBack("aes", allocator);
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}
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out.AddMember("flags", flags, allocator);
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return out;
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}
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