v6.8.0

RandomX JIT x86: remove unnecessary instructions

.gitignore

@@ -1,4 +1,6 @@
 /build
+scripts/build
+scripts/deps
 /CMakeLists.txt.user
 /.idea
 /src/backend/opencl/cl/cn/cryptonight_gen.cl

CHANGELOG.md

@@ -1,3 +1,21 @@
+# v6.8.0
+- [#2052](https://github.com/xmrig/xmrig/pull/2052) Added DMI/SMBIOS reader.
+  - Added information about memory modules on the miner startup and for online benchmark.
+  - Added new HTTP API endpoint: `GET /2/dmi`.
+  - Added new command line option `--no-dmi` or config option `"dmi"`.
+  - Added new CMake option `-DWITH_DMI=OFF`.
+- [#2057](https://github.com/xmrig/xmrig/pull/2057) Improved MSR subsystem code quality.
+- [#2058](https://github.com/xmrig/xmrig/pull/2058) RandomX JIT x86: removed unnecessary instructions.
+
+# v6.7.2
+- [#2039](https://github.com/xmrig/xmrig/pull/2039) Fixed solo mining.
+
+# v6.7.1
+- [#1995](https://github.com/xmrig/xmrig/issues/1995) Fixed log initialization.
+- [#1998](https://github.com/xmrig/xmrig/pull/1998) Added hashrate in the benchmark finished message.
+- [#2009](https://github.com/xmrig/xmrig/pull/2009) AstroBWT OpenCL fixes.
+- [#2028](https://github.com/xmrig/xmrig/pull/2028) RandomX x86 JIT: removed redundant `CFROUND`.
+
 # v6.7.0
 - **[#1991](https://github.com/xmrig/xmrig/issues/1991) Added Apple M1 processor support.**
 - **[#1986](https://github.com/xmrig/xmrig/pull/1986) Up to 20-30% faster RandomX dataset initialization with AVX2 on some CPUs.**

CMakeLists.txt

@@ -26,6 +26,7 @@ option(WITH_PROFILING       "Enable profiling for developers" OFF)
 option(WITH_SSE4_1          "Enable SSE 4.1 for Blake2" ON)
 option(WITH_BENCHMARK       "Enable builtin RandomX benchmark and stress test" ON)
 option(WITH_SECURE_JIT      "Enable secure access to JIT memory" OFF)
+option(WITH_DMI             "Enable DMI/SMBIOS reader" ON)
 
 option(BUILD_STATIC         "Build static binary" OFF)
 option(ARM_TARGET           "Force use specific ARM target 8 or 7" 0)
@@ -169,7 +170,7 @@ else()
 endif()
 
 add_definitions(-DXMRIG_MINER_PROJECT -DXMRIG_JSON_SINGLE_LINE_ARRAY)
-add_definitions(-D__STDC_FORMAT_MACROS -DUNICODE)
+add_definitions(-D__STDC_FORMAT_MACROS -DUNICODE -D_FILE_OFFSET_BITS=64)
 
 find_package(UV REQUIRED)
 
@@ -197,6 +198,9 @@ if (WITH_EMBEDDED_CONFIG)
     add_definitions(/DXMRIG_FEATURE_EMBEDDED_CONFIG)
 endif()
 
+include(src/hw/api/api.cmake)
+include(src/hw/dmi/dmi.cmake)
+
 include_directories(src)
 include_directories(src/3rdparty)
 include_directories(${UV_INCLUDE_DIR})

cmake/randomx.cmake

@@ -100,13 +100,29 @@ if (WITH_RANDOMX)
         message("-- WITH_MSR=ON")
 
         if (XMRIG_OS_WIN)
-            list(APPEND SOURCES_CRYPTO src/crypto/rx/Rx_win.cpp)
+            list(APPEND SOURCES_CRYPTO
+                src/crypto/rx/RxFix_win.cpp
+                src/hw/msr/Msr_win.cpp
+                )
         elseif (XMRIG_OS_LINUX)
-            list(APPEND SOURCES_CRYPTO src/crypto/rx/Rx_linux.cpp)
+            list(APPEND SOURCES_CRYPTO
+                src/crypto/rx/RxFix_linux.cpp
+                src/hw/msr/Msr_linux.cpp
+                )
         endif()
 
-        list(APPEND HEADERS_CRYPTO src/crypto/rx/msr/MsrItem.h)
-        list(APPEND SOURCES_CRYPTO src/crypto/rx/msr/MsrItem.cpp)
+        list(APPEND HEADERS_CRYPTO
+            src/crypto/rx/RxFix.h
+            src/crypto/rx/RxMsr.h
+            src/hw/msr/Msr.h
+            src/hw/msr/MsrItem.h
+            )
+
+        list(APPEND SOURCES_CRYPTO
+            src/crypto/rx/RxMsr.cpp
+            src/hw/msr/Msr.cpp
+            src/hw/msr/MsrItem.cpp
+            )
     else()
         remove_definitions(/DXMRIG_FEATURE_MSR)
         remove_definitions(/DXMRIG_FIX_RYZEN)

src/Summary.cpp

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -39,6 +39,11 @@
 #include "version.h"
 
 
+#ifdef XMRIG_FEATURE_DMI
+#   include "hw/dmi/DmiReader.h"
+#endif
+
+
 #ifdef XMRIG_ALGO_RANDOMX
 #   include "crypto/rx/RxConfig.h"
 #endif
@@ -71,7 +76,7 @@ inline static const char *asmName(Assembly::Id assembly)
 #endif
 
 
-static void print_memory(Config *config)
+static void print_pages(const Config *config)
 {
     Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-13s") "%s",
                "HUGE PAGES", config->cpu().isHugePages() ? (VirtualMemory::isHugepagesAvailable() ? kHugepagesSupported : RED_BOLD("unavailable")) : RED_BOLD("disabled"));
@@ -87,7 +92,7 @@ static void print_memory(Config *config)
 }
 
 
-static void print_cpu(Config *)
+static void print_cpu(const Config *)
 {
     const auto info = Cpu::info();
 
@@ -116,7 +121,7 @@ static void print_cpu(Config *)
 }
 
 
-static void print_memory()
+static void print_memory(const Config *config)
 {
     constexpr size_t oneGiB = 1024U * 1024U * 1024U;
     const auto freeMem      = static_cast<double>(uv_get_free_memory());
@@ -124,16 +129,49 @@ static void print_memory()
 
     const double percent = freeMem > 0 ? ((totalMem - freeMem) / totalMem * 100.0) : 100.0;
 
-    Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-13s") CYAN_BOLD("%.1f/%.1f GB") BLACK_BOLD(" (%.0f%%)"),
+    Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-13s") CYAN_BOLD("%.1f/%.1f") CYAN(" GB") BLACK_BOLD(" (%.0f%%)"),
                "MEMORY",
                (totalMem - freeMem) / oneGiB,
                totalMem / oneGiB,
                percent
                );
+
+#   ifdef XMRIG_FEATURE_DMI
+    if (!config->isDMI()) {
+        return;
+    }
+
+    DmiReader reader;
+    if (!reader.read()) {
+        return;
+    }
+
+    const bool vm = Cpu::info()->isVM();
+
+    for (const auto &memory : reader.memory()) {
+        if (!memory.isValid()) {
+            continue;
+        }
+
+        if (memory.size()) {
+            Log::print(WHITE_BOLD("   %-13s") "%s: " CYAN_BOLD("%" PRIu64) CYAN(" GB ") WHITE_BOLD("%s @ %" PRIu64 " MHz ") BLACK_BOLD("%s"),
+                       "", memory.slot().data(), memory.size() / oneGiB, memory.type(), memory.speed() / 1000000ULL, memory.product().data());
+        }
+        else if (!vm) {
+            Log::print(WHITE_BOLD("   %-13s") "%s: " BLACK_BOLD("<empty>"), "", memory.slot().data());
+        }
+    }
+
+    const auto &board = vm ? reader.system() : reader.board();
+
+    if (board.isValid()) {
+        Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-13s") WHITE_BOLD("%s") " - " WHITE_BOLD("%s"), "MOTHERBOARD", board.vendor().data(), board.product().data());
+    }
+#   endif
 }
 
 
-static void print_threads(Config *config)
+static void print_threads(const Config *config)
 {
     Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-13s") WHITE_BOLD("%s%d%%"),
                "DONATE",
@@ -175,14 +213,16 @@ static void print_commands(Config *)
 
 void xmrig::Summary::print(Controller *controller)
 {
-    controller->config()->printVersions();
-    print_memory(controller->config());
-    print_cpu(controller->config());
-    print_memory();
-    print_threads(controller->config());
-    controller->config()->pools().print();
+    const auto config = controller->config();
 
-    print_commands(controller->config());
+    config->printVersions();
+    print_pages(config);
+    print_cpu(config);
+    print_memory(config);
+    print_threads(config);
+    config->pools().print();
+
+    print_commands(config);
 }
 
 

src/Summary.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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

src/backend/cpu/interfaces/ICpuInfo.h

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -86,18 +86,21 @@ public:
     inline constexpr static bool is64bit() { return false; }
 #   endif
 
+    virtual Arch arch() const                                                       = 0;
     virtual Assembly::Id assembly() const                                           = 0;
     virtual bool has(Flag feature) const                                            = 0;
     virtual bool hasAES() const                                                     = 0;
     virtual bool hasAVX() const                                                     = 0;
     virtual bool hasAVX2() const                                                    = 0;
     virtual bool hasBMI2() const                                                    = 0;
+    virtual bool hasCatL3() const                                                   = 0;
     virtual bool hasOneGbPages() const                                              = 0;
     virtual bool hasXOP() const                                                     = 0;
-    virtual bool hasCatL3() const                                                   = 0;
     virtual bool isVM() const                                                       = 0;
+    virtual bool jccErratum() const                                                 = 0;
     virtual const char *backend() const                                             = 0;
     virtual const char *brand() const                                               = 0;
+    virtual const std::vector<int32_t> &units() const                               = 0;
     virtual CpuThreads threads(const Algorithm &algorithm, uint32_t limit) const    = 0;
     virtual MsrMod msrMod() const                                                   = 0;
     virtual rapidjson::Value toJSON(rapidjson::Document &doc) const                 = 0;
@@ -108,8 +111,6 @@ public:
     virtual size_t packages() const                                                 = 0;
     virtual size_t threads() const                                                  = 0;
     virtual Vendor vendor() const                                                   = 0;
-    virtual Arch arch() const                                                       = 0;
-    virtual bool jccErratum() const                                                 = 0;
 };
 
 

src/backend/cpu/platform/BasicCpuInfo.cpp

@@ -1,7 +1,7 @@
 /* XMRig
  * Copyright (c) 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -190,6 +190,11 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
     m_flags.set(FLAG_CAT_L3,  has_cat_l3());
     m_flags.set(FLAG_VM,      is_vm());
 
+    m_units.resize(m_threads);
+    for (int32_t i = 0; i < static_cast<int32_t>(m_threads); ++i) {
+        m_units[i] = i;
+    }
+
 #   ifdef XMRIG_FEATURE_ASM
     if (hasAES()) {
         char vendor[13] = { 0 };

src/backend/cpu/platform/BasicCpuInfo.h

@@ -1,12 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -45,34 +40,36 @@ protected:
     CpuThreads threads(const Algorithm &algorithm, uint32_t limit) const override;
     rapidjson::Value toJSON(rapidjson::Document &doc) const override;
 
-    inline Assembly::Id assembly() const override   { return m_assembly; }
-    inline bool has(Flag flag) const override       { return m_flags.test(flag); }
-    inline bool hasAES() const override             { return has(FLAG_AES); }
-    inline bool hasAVX() const override             { return has(FLAG_AVX); }
-    inline bool hasAVX2() const override            { return has(FLAG_AVX2); }
-    inline bool hasBMI2() const override            { return has(FLAG_BMI2); }
-    inline bool hasOneGbPages() const override      { return has(FLAG_PDPE1GB); }
-    inline bool hasXOP() const override             { return has(FLAG_XOP); }
-    inline bool hasCatL3() const override           { return has(FLAG_CAT_L3); }
-    inline bool isVM() const override               { return has(FLAG_VM); }
-    inline const char *brand() const override       { return m_brand; }
-    inline MsrMod msrMod() const override           { return m_msrMod; }
-    inline size_t cores() const override            { return 0; }
-    inline size_t L2() const override               { return 0; }
-    inline size_t L3() const override               { return 0; }
-    inline size_t nodes() const override            { return 0; }
-    inline size_t packages() const override         { return 1; }
-    inline size_t threads() const override          { return m_threads; }
-    inline Vendor vendor() const override           { return m_vendor; }
-    inline Arch arch() const override               { return m_arch; }
-    inline bool jccErratum() const override         { return m_jccErratum; }
+    inline Arch arch() const override                           { return m_arch; }
+    inline Assembly::Id assembly() const override               { return m_assembly; }
+    inline bool has(Flag flag) const override                   { return m_flags.test(flag); }
+    inline bool hasAES() const override                         { return has(FLAG_AES); }
+    inline bool hasAVX() const override                         { return has(FLAG_AVX); }
+    inline bool hasAVX2() const override                        { return has(FLAG_AVX2); }
+    inline bool hasBMI2() const override                        { return has(FLAG_BMI2); }
+    inline bool hasCatL3() const override                       { return has(FLAG_CAT_L3); }
+    inline bool hasOneGbPages() const override                  { return has(FLAG_PDPE1GB); }
+    inline bool hasXOP() const override                         { return has(FLAG_XOP); }
+    inline bool isVM() const override                           { return has(FLAG_VM); }
+    inline bool jccErratum() const override                     { return m_jccErratum; }
+    inline const char *brand() const override                   { return m_brand; }
+    inline const std::vector<int32_t> &units() const override   { return m_units; }
+    inline MsrMod msrMod() const override                       { return m_msrMod; }
+    inline size_t cores() const override                        { return 0; }
+    inline size_t L2() const override                           { return 0; }
+    inline size_t L3() const override                           { return 0; }
+    inline size_t nodes() const override                        { return 0; }
+    inline size_t packages() const override                     { return 1; }
+    inline size_t threads() const override                      { return m_threads; }
+    inline Vendor vendor() const override                       { return m_vendor; }
 
 protected:
-    char m_brand[64 + 6]{};
-    size_t m_threads;
-    Vendor m_vendor         = VENDOR_UNKNOWN;
     Arch m_arch             = ARCH_UNKNOWN;
     bool m_jccErratum       = false;
+    char m_brand[64 + 6]{};
+    size_t m_threads;
+    std::vector<int32_t> m_units;
+    Vendor m_vendor         = VENDOR_UNKNOWN;
 
 private:
 #   ifndef XMRIG_ARM

src/backend/cpu/platform/BasicCpuInfo_arm.cpp

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -50,6 +50,11 @@ extern String cpu_name_arm();
 xmrig::BasicCpuInfo::BasicCpuInfo() :
     m_threads(std::thread::hardware_concurrency())
 {
+    m_units.resize(m_threads);
+    for (int32_t i = 0; i < static_cast<int32_t>(m_threads); ++i) {
+        m_units[i] = i;
+    }
+
 #   ifdef XMRIG_ARMv8
     memcpy(m_brand, "ARMv8", 5);
 #   else

src/backend/cpu/platform/HwlocCpuInfo.cpp

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -125,8 +125,6 @@ static inline bool isCacheExclusive(hwloc_obj_t obj)
 
 xmrig::HwlocCpuInfo::HwlocCpuInfo()
 {
-    m_threads = 0;
-
     hwloc_topology_init(&m_topology);
     hwloc_topology_load(m_topology);
 
@@ -170,7 +168,8 @@ xmrig::HwlocCpuInfo::HwlocCpuInfo()
 
     findCache(root, 2, 3, [this](hwloc_obj_t found) { this->m_cache[found->attr->cache.depth] += found->attr->cache.size; });
 
-    m_threads   = countByType(m_topology, HWLOC_OBJ_PU);
+    setThreads(countByType(m_topology, HWLOC_OBJ_PU));
+
     m_cores     = countByType(m_topology, HWLOC_OBJ_CORE);
     m_nodes     = std::max(hwloc_bitmap_weight(hwloc_topology_get_complete_nodeset(m_topology)), 1);
     m_packages  = countByType(m_topology, HWLOC_OBJ_PACKAGE);
@@ -277,10 +276,8 @@ xmrig::CpuThreads xmrig::HwlocCpuInfo::allThreads(const Algorithm &algorithm, ui
     CpuThreads threads;
     threads.reserve(m_threads);
 
-    hwloc_obj_t pu = nullptr;
-
-    while ((pu = hwloc_get_next_obj_by_type(m_topology, HWLOC_OBJ_PU, pu)) != nullptr) {
-        threads.add(pu->os_index, 0);
+    for (const int32_t pu : m_units) {
+        threads.add(pu, 0);
     }
 
     if (threads.isEmpty()) {
@@ -395,3 +392,24 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
     }
 #   endif
 }
+
+
+void xmrig::HwlocCpuInfo::setThreads(size_t threads)
+{
+    if (!threads) {
+        return;
+    }
+
+    m_threads = threads;
+
+    if (m_units.size() != m_threads) {
+        m_units.resize(m_threads);
+    }
+
+    hwloc_obj_t pu = nullptr;
+    size_t i       = 0;
+
+    while ((pu = hwloc_get_next_obj_by_type(m_topology, HWLOC_OBJ_PU, pu)) != nullptr) {
+        m_units[i++] = static_cast<int32_t>(pu->os_index);
+    }
+}

src/backend/cpu/platform/HwlocCpuInfo.h

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <support@xmrig.com>
  *
  *   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
@@ -66,7 +66,7 @@ protected:
 private:
     CpuThreads allThreads(const Algorithm &algorithm, uint32_t limit) const;
     void processTopLevelCache(hwloc_obj_t obj, const Algorithm &algorithm, CpuThreads &threads, size_t limit) const;
-
+    void setThreads(size_t threads);
 
     static uint32_t m_features;
 

src/backend/opencl/OclWorker.cpp

@@ -145,7 +145,7 @@ bool xmrig::OclWorker::selfTest()
 
 size_t xmrig::OclWorker::intensity() const
 {
-    return m_runner ? m_runner->intensity() : 0;
+    return m_runner ? m_runner->roundSize() : 0;
 }
 
 

src/backend/opencl/cl/astrobwt/BWT.cl

@@ -26,8 +26,6 @@
 
 #define COUNTING_SORT_BITS 11
 #define COUNTING_SORT_SIZE (1 << COUNTING_SORT_BITS)
-#define FINAL_SORT_BATCH_SIZE COUNTING_SORT_SIZE
-#define FINAL_SORT_OVERLAP_SIZE 32
 
 __attribute__((reqd_work_group_size(BWT_GROUP_SIZE, 1, 1)))
 __kernel void BWT(__global uint8_t* datas, __global uint32_t* data_sizes, uint32_t data_stride, __global uint64_t* indices, __global uint64_t* tmp_indices)
@@ -40,6 +38,8 @@ __kernel void BWT(__global uint8_t* datas, __global uint32_t* data_sizes, uint32
 	for (uint32_t i = tid; i < COUNTING_SORT_SIZE * 2; i += BWT_GROUP_SIZE)
 		((__local int*)counters)[i] = 0;
 
+	barrier(CLK_LOCAL_MEM_FENCE);
+
 	const uint64_t data_offset = (uint64_t)(gid) * data_stride;
 
 	__global uint8_t* input = datas + data_offset + 128;
@@ -76,6 +76,8 @@ __kernel void BWT(__global uint8_t* datas, __global uint32_t* data_sizes, uint32
 		atomic_add((volatile __local int*)(counters_atomic + ((value >> (64 - COUNTING_SORT_BITS)) << 3) + 4), 1);
 	}
 
+	barrier(CLK_LOCAL_MEM_FENCE);
+
 	if (tid == 0)
 	{
 		int t0 = counters[0][0];
@@ -91,59 +93,62 @@ __kernel void BWT(__global uint8_t* datas, __global uint32_t* data_sizes, uint32
 		}
 	}
 
+	barrier(CLK_LOCAL_MEM_FENCE);
+
 	for (int i = tid; i < N; i += BWT_GROUP_SIZE)
 	{
 		const uint64_t data = indices[i];
 		const int k = atomic_sub((volatile __local int*)(counters_atomic + (((data >> (64 - COUNTING_SORT_BITS * 2)) & (COUNTING_SORT_SIZE - 1)) << 3)), 1);
 		tmp_indices[k] = data;
 	}
+
 	barrier(CLK_GLOBAL_MEM_FENCE);
 
-	for (int i = N - 1 - tid; i >= 0; i -= BWT_GROUP_SIZE)
+	if (tid == 0)
 	{
-		const uint64_t data = tmp_indices[i];
-		const int k = atomic_sub((volatile __local int*)(counters_atomic + ((data >> (64 - COUNTING_SORT_BITS)) << 3) + 4), 1);
-		indices[k] = data;
-	}
-	barrier(CLK_GLOBAL_MEM_FENCE);
-
-	__local uint64_t* buf = (__local uint64_t*)(counters);
-	for (uint32_t i = 0; i < N; i += FINAL_SORT_BATCH_SIZE - FINAL_SORT_OVERLAP_SIZE)
-	{
-		const uint32_t len = (N - i < FINAL_SORT_BATCH_SIZE) ? (N - i) : FINAL_SORT_BATCH_SIZE;
-
-		for (uint32_t j = tid; j < len; j += BWT_GROUP_SIZE)
-			buf[j] = indices[i + j];
-
-		if (tid == 0)
+		for (int i = N - 1; i >= 0; --i)
 		{
-			uint64_t prev_t = buf[0];
-			for (int i = 1; i < len; ++i)
-			{
-				uint64_t t = buf[i];
-				if (t < prev_t)
-				{
-					const uint64_t t2 = prev_t;
-					int j = i - 1;
-					do
-					{
-						buf[j + 1] = prev_t;
-						--j;
-						if (j < 0)
-							break;
-						prev_t = buf[j];
-					} while (t < prev_t);
-					buf[j + 1] = t;
-					t = t2;
-				}
-				prev_t = t;
-			}
+			const uint64_t data = tmp_indices[i];
+			const int k = atomic_sub((volatile __local int*)(counters_atomic + ((data >> (64 - COUNTING_SORT_BITS)) << 3) + 4), 1);
+			indices[k] = data;
 		}
-
-		for (uint32_t j = tid; j < len; j += BWT_GROUP_SIZE)
-			indices[i + j] = buf[j];
 	}
 
+	barrier(CLK_GLOBAL_MEM_FENCE);
+
+	const uint32_t N1 = N - 1;
+	__global uint32_t* indices32 = (__global uint32_t*)(indices);
+	for (uint32_t i = tid; i < N1; i += BWT_GROUP_SIZE)
+	{
+		const uint32_t value = indices32[i * 2 + 1] >> (32 - COUNTING_SORT_BITS * 2);
+		if (value != (indices32[i * 2 + 3] >> (32 - COUNTING_SORT_BITS * 2)))
+			continue;
+
+		if ((i > 0) && ((indices32[i * 2 - 1] >> (32 - COUNTING_SORT_BITS * 2)) == value))
+			continue;
+
+		uint32_t i1 = i + 2;
+		while ((i1 < N) && ((indices32[i1 * 2 + 1] >> (32 - COUNTING_SORT_BITS * 2)) == value))
+			++i1;
+
+		for (uint32_t j = i; j < i1; ++j)
+		{
+			uint64_t t = indices[j];
+			for (uint32_t k = j + 1; k < i1; ++k)
+			{
+				if (t > indices[k])
+				{
+					const uint64_t t1 = t;
+					t = indices[k];
+					indices[k] = t1;
+				}
+			}
+			indices[j] = t;
+		}
+	}
+
+	barrier(CLK_GLOBAL_MEM_FENCE);
+
 	--input;
 	__global uint8_t* output = (__global uint8_t*)(tmp_indices);
 	for (int i = tid; i <= N; i += BWT_GROUP_SIZE)

src/backend/opencl/cl/astrobwt/astrobwt_cl.h

@@ -2,7 +2,7 @@
 
 namespace xmrig {
 
-static const char astrobwt_cl[12434] = {
+static const char astrobwt_cl[12493] = {
     0x74,0x79,0x70,0x65,0x64,0x65,0x66,0x20,0x75,0x63,0x68,0x61,0x72,0x20,0x75,0x69,0x6e,0x74,0x38,0x5f,0x74,0x3b,0x0a,0x74,0x79,0x70,0x65,0x64,0x65,0x66,0x20,0x75,
     0x73,0x68,0x6f,0x72,0x74,0x20,0x75,0x69,0x6e,0x74,0x31,0x36,0x5f,0x74,0x3b,0x0a,0x74,0x79,0x70,0x65,0x64,0x65,0x66,0x20,0x75,0x69,0x6e,0x74,0x20,0x75,0x69,0x6e,
     0x74,0x33,0x32,0x5f,0x74,0x3b,0x0a,0x74,0x79,0x70,0x65,0x64,0x65,0x66,0x20,0x75,0x6c,0x6f,0x6e,0x67,0x20,0x75,0x69,0x6e,0x74,0x36,0x34,0x5f,0x74,0x3b,0x0a,0x74,
@@ -10,388 +10,390 @@ static const char astrobwt_cl[12434] = {
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+    0x69,0x6e,0x74,0x36,0x34,0x5f,0x74,0x29,0x3b,0x0a,0x41,0x5b,0x77,0x6f,0x72,0x64,0x49,0x6e,0x64,0x65,0x78,0x5d,0x20,0x5e,0x3d,0x20,0x28,0x75,0x69,0x6e,0x74,0x36,
+    0x34,0x5f,0x74,0x29,0x28,0x28,0x28,0x75,0x69,0x6e,0x74,0x36,0x34,0x5f,0x74,0x29,0x28,0x30,0x78,0x30,0x32,0x7c,0x28,0x31,0x3c,0x3c,0x32,0x29,0x29,0x29,0x3c,0x3c,
+    0x28,0x74,0x61,0x69,0x6c,0x5f,0x73,0x69,0x7a,0x65,0x2a,0x38,0x29,0x29,0x3b,0x0a,0x41,0x5b,0x31,0x36,0x5d,0x20,0x5e,0x3d,0x20,0x30,0x78,0x38,0x30,0x30,0x30,0x30,
+    0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x55,0x4c,0x3b,0x0a,0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x75,0x6e,0x72,0x6f,0x6c,0x6c,0x20,0x52,0x4f,
+    0x55,0x4e,0x44,0x53,0x0a,0x66,0x6f,0x72,0x20,0x28,0x69,0x6e,0x74,0x20,0x69,0x3d,0x30,0x3b,0x20,0x69,0x3c,0x52,0x4f,0x55,0x4e,0x44,0x53,0x3b,0x20,0x2b,0x2b,0x69,
+    0x29,0x0a,0x7b,0x0a,0x43,0x5b,0x74,0x5d,0x3d,0x41,0x5b,0x73,0x5d,0x5e,0x41,0x5b,0x73,0x2b,0x35,0x5d,0x5e,0x41,0x5b,0x73,0x2b,0x31,0x30,0x5d,0x5e,0x41,0x5b,0x73,
+    0x2b,0x31,0x35,0x5d,0x5e,0x41,0x5b,0x73,0x2b,0x32,0x30,0x5d,0x3b,0x0a,0x44,0x5b,0x74,0x5d,0x3d,0x43,0x5b,0x62,0x5b,0x32,0x30,0x2b,0x73,0x5d,0x5d,0x5e,0x52,0x36,
+    0x34,0x28,0x43,0x5b,0x62,0x5b,0x35,0x2b,0x73,0x5d,0x5d,0x2c,0x31,0x2c,0x36,0x33,0x29,0x3b,0x0a,0x43,0x5b,0x74,0x5d,0x3d,0x52,0x36,0x34,0x28,0x41,0x5b,0x61,0x5b,
+    0x74,0x5d,0x5d,0x5e,0x44,0x5b,0x62,0x5b,0x74,0x5d,0x5d,0x2c,0x72,0x6f,0x5b,0x74,0x5d,0x5b,0x30,0x5d,0x2c,0x72,0x6f,0x5b,0x74,0x5d,0x5b,0x31,0x5d,0x29,0x3b,0x0a,
+    0x41,0x5b,0x64,0x5b,0x74,0x5d,0x5d,0x3d,0x43,0x5b,0x63,0x5b,0x74,0x5d,0x5b,0x30,0x5d,0x5d,0x5e,0x28,0x28,0x7e,0x43,0x5b,0x63,0x5b,0x74,0x5d,0x5b,0x31,0x5d,0x5d,
+    0x29,0x26,0x43,0x5b,0x63,0x5b,0x74,0x5d,0x5b,0x32,0x5d,0x5d,0x29,0x3b,0x0a,0x41,0x5b,0x74,0x5d,0x20,0x5e,0x3d,0x20,0x72,0x63,0x5b,0x28,0x74,0x3d,0x3d,0x30,0x29,
+    0x3f,0x30,0x3a,0x31,0x5d,0x5b,0x69,0x5d,0x3b,0x20,0x0a,0x7d,0x0a,0x69,0x66,0x28,0x74,0x3c,0x34,0x29,0x0a,0x7b,0x0a,0x68,0x61,0x73,0x68,0x65,0x73,0x2b,0x3d,0x67,
+    0x2a,0x28,0x33,0x32,0x2f,0x73,0x69,0x7a,0x65,0x6f,0x66,0x28,0x75,0x69,0x6e,0x74,0x36,0x34,0x5f,0x74,0x29,0x29,0x3b,0x0a,0x68,0x61,0x73,0x68,0x65,0x73,0x5b,0x74,
+    0x5d,0x3d,0x41,0x5b,0x74,0x5d,0x3b,0x0a,0x7d,0x0a,0x7d,0x0a,0x00
 };
 
 } // namespace xmrig

src/backend/opencl/runners/OclAstroBWTRunner.cpp

@@ -71,6 +71,7 @@ xmrig::OclAstroBWTRunner::OclAstroBWTRunner(size_t index, const OclLaunchData &d
 
     m_bwt_allocation_size = static_cast<uint64_t>(m_intensity) * BWT_DATA_STRIDE;
     m_batch_size1 = static_cast<uint32_t>(m_bwt_allocation_size / STAGE1_DATA_STRIDE + 255U) & ~255U;
+    m_bwt_allocation_size = std::max(m_bwt_allocation_size, m_batch_size1 * STAGE1_DATA_STRIDE);
 
     m_bwt_data_sizes_host = new uint32_t[m_batch_size1];
 }

src/base/api/Api.cpp

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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

src/base/api/Api.h

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -31,7 +25,6 @@
 
 
 #include "base/kernel/interfaces/IBaseListener.h"
-#include "base/tools/Object.h"
 #include "base/tools/String.h"
 
 

src/base/api/interfaces/IApiListener.h

@@ -1,10 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2016-2018 XMRig       <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -24,6 +20,9 @@
 #define XMRIG_IAPILISTENER_H
 
 
+#include "base/tools/Object.h"
+
+
 namespace xmrig {
 
 
@@ -33,6 +32,9 @@ class IApiRequest;
 class IApiListener
 {
 public:
+    XMRIG_DISABLE_COPY_MOVE(IApiListener)
+
+    IApiListener()          = default;
     virtual ~IApiListener() = default;
 
 #   ifdef XMRIG_FEATURE_API

src/base/api/interfaces/IApiRequest.h

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -27,6 +21,7 @@
 
 
 #include "3rdparty/rapidjson/fwd.h"
+#include "base/tools/Object.h"
 
 
 namespace xmrig {
@@ -38,6 +33,8 @@ class String;
 class IApiRequest
 {
 public:
+    XMRIG_DISABLE_COPY_MOVE(IApiRequest)
+
     enum Method {
         METHOD_DELETE,
         METHOD_GET,
@@ -67,7 +64,8 @@ public:
     };
 
 
-    virtual ~IApiRequest() = default;
+    IApiRequest()           = default;
+    virtual ~IApiRequest()  = default;
 
     virtual bool accept()                                               = 0;
     virtual bool hasParseError() const                                  = 0;

src/base/io/Env.cpp

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -59,6 +59,11 @@ static void createVariables()
     variables.insert({ "XMRIG_HOME_DIR", Process::location(Process::HomeLocation) });
     variables.insert({ "XMRIG_TEMP_DIR", Process::location(Process::TempLocation) });
     variables.insert({ "XMRIG_DATA_DIR", Process::location(Process::DataLocation) });
+
+    String hostname = "HOSTNAME";
+    if (!getenv(hostname)) {
+        variables.insert({ std::move(hostname), Env::hostname() });
+    }
 }
 #endif
 

src/base/kernel/Base.cpp

@@ -76,7 +76,12 @@ public:
     XMRIG_DISABLE_COPY_MOVE_DEFAULT(BasePrivate)
 
 
-    inline BasePrivate(Process *process) : config(load(process)) {}
+    inline BasePrivate(Process *process)
+    {
+        Log::init();
+
+        config = load(process);
+    }
 
 
     inline ~BasePrivate()
@@ -166,7 +171,7 @@ private:
 xmrig::Base::Base(Process *process)
     : d_ptr(new BasePrivate(process))
 {
-    Log::init();
+
 }
 
 

src/base/kernel/interfaces/IBaseListener.h

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -26,6 +20,9 @@
 #define XMRIG_IBASELISTENER_H
 
 
+#include "base/tools/Object.h"
+
+
 namespace xmrig {
 
 
@@ -35,7 +32,10 @@ class Config;
 class IBaseListener
 {
 public:
-    virtual ~IBaseListener() = default;
+    XMRIG_DISABLE_COPY_MOVE(IBaseListener)
+
+    IBaseListener()             = default;
+    virtual ~IBaseListener()    = default;
 
     virtual void onConfigChanged(Config *config, Config *previousConfig) = 0;
 };

src/base/kernel/interfaces/IConfig.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -84,6 +84,7 @@ public:
         BenchSeedKey         = 1046,
         BenchHashKey         = 1047,
         BenchTokenKey        = 1048,
+        DmiKey               = 1049,
 
         // xmrig common
         CPUPriorityKey       = 1021,

src/base/net/stratum/DaemonClient.cpp

@@ -104,7 +104,7 @@ int64_t xmrig::DaemonClient::submit(const JobResult &result)
 #   ifdef XMRIG_PROXY_PROJECT
     memcpy(data + 78, result.nonce, 8);
 #   else
-    Cvt::toHex(data + 78, 9, reinterpret_cast<const uint8_t *>(&result.nonce), 4);
+    Cvt::toHex(data + 78, 8, reinterpret_cast<const uint8_t *>(&result.nonce), 4);
 #   endif
 
     using namespace rapidjson;
@@ -227,7 +227,7 @@ bool xmrig::DaemonClient::parseJob(const rapidjson::Value &params, int *code)
     m_blockhashingblob = Json::getString(params, "blockhashing_blob");
     if (m_apiVersion == API_DERO) {
         const uint64_t offset = Json::getUint64(params, "reserved_offset");
-        Cvt::toHex(m_blockhashingblob.data() + offset * 2, kBlobReserveSize * 2 + 1, Cvt::randomBytes(kBlobReserveSize).data(), kBlobReserveSize);
+        Cvt::toHex(m_blockhashingblob.data() + offset * 2, kBlobReserveSize * 2, Cvt::randomBytes(kBlobReserveSize).data(), kBlobReserveSize);
     }
 
     if (blocktemplate.isNull() || !job.setBlob(m_blockhashingblob)) {

src/base/net/stratum/Pools.cpp

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -134,7 +134,7 @@ void xmrig::Pools::load(const IJsonReader &reader)
     m_data.clear();
 
 #   ifdef XMRIG_FEATURE_BENCHMARK
-    m_benchmark = std::shared_ptr<BenchConfig>(BenchConfig::create(reader.getObject(BenchConfig::kBenchmark)));
+    m_benchmark = std::shared_ptr<BenchConfig>(BenchConfig::create(reader.getObject(BenchConfig::kBenchmark), reader.getBool("dmi", true)));
     if (m_benchmark) {
         m_data.emplace_back(m_benchmark);
 

src/base/net/stratum/Pools.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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

src/base/net/stratum/benchmark/BenchClient.cpp

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -34,6 +34,10 @@
 #include "base/tools/Cvt.h"
 #include "version.h"
 
+#ifdef XMRIG_FEATURE_DMI
+#   include "hw/dmi/DmiReader.h"
+#endif
+
 
 xmrig::BenchClient::BenchClient(const std::shared_ptr<BenchConfig> &benchmark, IClientListener* listener) :
     m_listener(listener),
@@ -126,7 +130,8 @@ void xmrig::BenchClient::onBenchDone(uint64_t result, uint64_t diff, uint64_t ts
     const uint64_t ref = referenceHash();
     const char *color  = ref ? ((result == ref) ? GREEN_BOLD_S : RED_BOLD_S) : BLACK_BOLD_S;
 
-    LOG_NOTICE("%s " WHITE_BOLD("benchmark finished in ") CYAN_BOLD("%.3f seconds") WHITE_BOLD_S " hash sum = " CLEAR "%s%016" PRIX64 CLEAR, tag(), static_cast<double>(ts - m_readyTime) / 1000.0, color, result);
+    const double dt = static_cast<int64_t>(ts - m_readyTime) / 1000.0;
+    LOG_NOTICE("%s " WHITE_BOLD("benchmark finished in ") CYAN_BOLD("%.3f seconds (%.1f h/s)") WHITE_BOLD_S " hash sum = " CLEAR "%s%016" PRIX64 CLEAR, tag(), dt, BenchState::size() / dt, color, result);
 
     if (m_token.isEmpty()) {
         printExit();
@@ -335,6 +340,15 @@ void xmrig::BenchClient::send(Request request)
             doc.AddMember("steady_ready_ts",                m_readyTime, allocator);
             doc.AddMember("cpu",                            Cpu::toJSON(doc), allocator);
 
+#           ifdef XMRIG_FEATURE_DMI
+            if (m_benchmark->isDMI()) {
+                DmiReader reader;
+                if (reader.read()) {
+                    doc.AddMember("dmi", reader.toJSON(doc), allocator);
+                }
+            }
+#           endif
+
             FetchRequest req(HTTP_POST, m_ip, BenchConfig::kApiPort, "/1/benchmark", doc, BenchConfig::kApiTLS, true);
             fetch(tag(), std::move(req), m_httpListener);
         }

src/base/net/stratum/benchmark/BenchClient.h

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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

src/base/net/stratum/benchmark/BenchConfig.cpp

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -52,8 +52,9 @@ const char *BenchConfig::kApiHost   = "127.0.0.1";
 } // namespace xmrig
 
 
-xmrig::BenchConfig::BenchConfig(uint32_t size, const String &id, const rapidjson::Value &object) :
+xmrig::BenchConfig::BenchConfig(uint32_t size, const String &id, const rapidjson::Value &object, bool dmi) :
     m_algorithm(Json::getString(object, kAlgo)),
+    m_dmi(dmi),
     m_submit(Json::getBool(object, kSubmit)),
     m_id(id),
     m_seed(Json::getString(object, kSeed)),
@@ -72,7 +73,7 @@ xmrig::BenchConfig::BenchConfig(uint32_t size, const String &id, const rapidjson
 }
 
 
-xmrig::BenchConfig *xmrig::BenchConfig::create(const rapidjson::Value &object)
+xmrig::BenchConfig *xmrig::BenchConfig::create(const rapidjson::Value &object, bool dmi)
 {
     if (!object.IsObject() || object.ObjectEmpty()) {
         return nullptr;
@@ -85,7 +86,7 @@ xmrig::BenchConfig *xmrig::BenchConfig::create(const rapidjson::Value &object)
         return nullptr;
     }
 
-    return new BenchConfig(size, id, object);
+    return new BenchConfig(size, id, object, dmi);
 }
 
 

src/base/net/stratum/benchmark/BenchConfig.h

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -49,10 +49,11 @@ public:
     static constexpr const uint16_t kApiPort    = 18805;
 #   endif
 
-    BenchConfig(uint32_t size, const String &id, const rapidjson::Value &object);
+    BenchConfig(uint32_t size, const String &id, const rapidjson::Value &object, bool dmi);
 
-    static BenchConfig *create(const rapidjson::Value &object);
+    static BenchConfig *create(const rapidjson::Value &object, bool dmi);
 
+    inline bool isDMI() const                   { return m_dmi; }
     inline bool isSubmit() const                { return m_submit; }
     inline const Algorithm &algorithm() const   { return m_algorithm; }
     inline const String &id() const             { return m_id; }
@@ -67,6 +68,7 @@ private:
     static uint32_t getSize(const char *benchmark);
 
     Algorithm m_algorithm;
+    bool m_dmi;
     bool m_submit;
     String m_id;
     String m_seed;

src/base/tools/Cvt.cpp

@@ -1,7 +1,7 @@
 /* XMRig
  * Copyright (c) 2013-2020 Frank Denis <j at pureftpd dot org>
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -34,11 +34,6 @@
 namespace xmrig {
 
 
-#ifndef XMRIG_SODIUM
-static std::random_device randomDevice;
-static std::mt19937 randomEngine(randomDevice());
-
-
 static char *cvt_bin2hex(char *const hex, const size_t hex_maxlen, const unsigned char *const bin, const size_t bin_len)
 {
     size_t       i = 0U;
@@ -46,7 +41,7 @@ static char *cvt_bin2hex(char *const hex, const size_t hex_maxlen, const unsigne
     int          b;
     int          c;
 
-    if (bin_len >= SIZE_MAX / 2 || hex_maxlen <= bin_len * 2U) {
+    if (bin_len >= SIZE_MAX / 2 || hex_maxlen < bin_len * 2U) {
         return nullptr; /* LCOV_EXCL_LINE */
     }
 
@@ -60,12 +55,20 @@ static char *cvt_bin2hex(char *const hex, const size_t hex_maxlen, const unsigne
         hex[i * 2U + 1U] = (char) x;
         i++;
     }
-    hex[i * 2U] = 0U;
+
+    if (i * 2U < hex_maxlen) {
+        hex[i * 2U] = 0U;
+    }
 
     return hex;
 }
 
 
+#ifndef XMRIG_SODIUM
+static std::random_device randomDevice;
+static std::mt19937 randomEngine(randomDevice());
+
+
 static int cvt_hex2bin(unsigned char *const bin, const size_t bin_maxlen, const char *const hex, const size_t hex_len, const char *const ignore, size_t *const bin_len, const char **const hex_end)
 {
     size_t        bin_pos = 0U;
@@ -137,7 +140,6 @@ static int cvt_hex2bin(unsigned char *const bin, const size_t bin_maxlen, const
     return ret;
 }
 
-#define sodium_bin2hex cvt_bin2hex
 #define sodium_hex2bin cvt_hex2bin
 #endif
 
@@ -215,7 +217,7 @@ xmrig::Buffer xmrig::Cvt::fromHex(const char *in, size_t size)
 
 bool xmrig::Cvt::toHex(char *hex, size_t hex_maxlen, const uint8_t *bin, size_t bin_len)
 {
-    return sodium_bin2hex(hex, hex_maxlen, bin, bin_len) != nullptr;
+    return cvt_bin2hex(hex, hex_maxlen, bin, bin_len) != nullptr;
 }
 
 
@@ -273,3 +275,17 @@ xmrig::String xmrig::Cvt::toHex(const uint8_t *in, size_t size)
 
     return buf;
 }
+
+
+void xmrig::Cvt::randomBytes(void *buf, size_t size)
+{
+#   ifndef XMRIG_SODIUM
+    std::uniform_int_distribution<> dis(0, 255);
+
+    for (size_t i = 0; i < size; ++i) {
+        static_cast<uint8_t *>(buf)[i] = static_cast<char>(dis(randomEngine));
+    }
+#   else
+    randombytes_buf(buf, size);
+#   endif
+}

src/base/tools/Cvt.h

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -52,6 +52,7 @@ public:
     static rapidjson::Value toHex(const std::string &data, rapidjson::Document &doc);
     static rapidjson::Value toHex(const uint8_t *in, size_t size, rapidjson::Document &doc);
     static String toHex(const uint8_t *in, size_t size);
+    static void randomBytes(void *buf, size_t size);
 };
 
 

src/config.json

@@ -80,6 +80,7 @@
     ],
     "print-time": 60,
     "health-print-time": 60,
+    "dmi": true,
     "retries": 5,
     "retry-pause": 5,
     "syslog": false,

src/core/Controller.cpp

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -31,6 +25,12 @@
 #include "net/Network.h"
 
 
+#ifdef XMRIG_FEATURE_API
+#   include "base/api/Api.h"
+#   include "hw/api/HwApi.h"
+#endif
+
+
 #include <cassert>
 
 
@@ -42,8 +42,6 @@ xmrig::Controller::Controller(Process *process) :
 
 xmrig::Controller::~Controller()
 {
-    delete m_network;
-
     VirtualMemory::destroy();
 }
 
@@ -54,7 +52,12 @@ int xmrig::Controller::init()
 
     VirtualMemory::init(config()->cpu().memPoolSize(), config()->cpu().isHugePages());
 
-    m_network = new Network(this);
+    m_network = std::make_shared<Network>(this);
+
+#   ifdef XMRIG_FEATURE_API
+    m_hwApi = std::make_shared<HwApi>();
+    api()->addListener(m_hwApi.get());
+#   endif
 
     return 0;
 }
@@ -64,7 +67,7 @@ void xmrig::Controller::start()
 {
     Base::start();
 
-    m_miner = new Miner(this);
+    m_miner = std::make_shared<Miner>(this);
 
     network()->connect();
 }
@@ -74,29 +77,26 @@ void xmrig::Controller::stop()
 {
     Base::stop();
 
-    delete m_network;
-    m_network = nullptr;
+    m_network.reset();
 
     m_miner->stop();
-
-    delete m_miner;
-    m_miner = nullptr;
+    m_miner.reset();
 }
 
 
 xmrig::Miner *xmrig::Controller::miner() const
 {
-    assert(m_miner != nullptr);
+    assert(m_miner);
 
-    return m_miner;
+    return m_miner.get();
 }
 
 
 xmrig::Network *xmrig::Controller::network() const
 {
-    assert(m_network != nullptr);
+    assert(m_network);
 
-    return m_network;
+    return m_network.get();
 }
 
 

src/core/Controller.h

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -27,12 +21,15 @@
 
 
 #include "base/kernel/Base.h"
-#include "base/tools/Object.h"
+
+
+#include <memory>
 
 
 namespace xmrig {
 
 
+class HwApi;
 class Job;
 class Miner;
 class Network;
@@ -55,8 +52,12 @@ public:
     void execCommand(char command);
 
 private:
-    Miner *m_miner     = nullptr;
-    Network *m_network = nullptr;
+    std::shared_ptr<Miner> m_miner;
+    std::shared_ptr<Network> m_network;
+
+#   ifdef XMRIG_FEATURE_API
+    std::shared_ptr<HwApi> m_hwApi;
+#   endif
 };
 
 

src/core/Miner.cpp

@@ -254,6 +254,8 @@ public:
             return strcmp(a->m_threadId, b->m_threadId) < 0;
         });
 
+        std::map<std::string, std::pair<uint32_t, double>> averageTime;
+
         for (uint32_t i = 0; i < n;)
         {
             uint32_t n1 = i;
@@ -267,19 +269,27 @@ public:
 
             for (uint32_t j = i; j < n1; ++j) {
                 ProfileScopeData* p = data[j];
+                const double t = p->m_totalCycles / p->m_totalSamples * 1e9 / ProfileScopeData::s_tscSpeed;
                 LOG_INFO("%s Thread %6s | %-30s | %7.3f%% | %9.0f ns",
                     Tags::profiler(),
                     p->m_threadId,
                     p->m_name,
                     p->m_totalCycles * 100.0 / data[i]->m_totalCycles,
-                    p->m_totalCycles / p->m_totalSamples * 1e9 / ProfileScopeData::s_tscSpeed
+                    t
                 );
+                auto& value = averageTime[p->m_name];
+                ++value.first;
+                value.second += t;
             }
 
             LOG_INFO("%s --------------|--------------------------------|----------|-------------", Tags::profiler());
 
             i = n1;
         }
+
+        for (auto& data : averageTime) {
+            LOG_INFO("%s %-30s %9.1f ns", Tags::profiler(), data.first.c_str(), data.second.second / data.second.first);
+        }
 #       endif
     }
 

src/core/config/Config.cpp

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -23,9 +23,9 @@
  */
 
 #include <algorithm>
+#include <cinttypes>
 #include <cstring>
 #include <uv.h>
-#include <cinttypes>
 
 
 #include "core/config/Config.h"
@@ -55,16 +55,19 @@ namespace xmrig {
 
 
 #ifdef XMRIG_FEATURE_OPENCL
-static const char *kOcl     = "opencl";
+const char *Config::kOcl                = "opencl";
 #endif
 
 #ifdef XMRIG_FEATURE_CUDA
-static const char *kCuda    = "cuda";
+const char *Config::kCuda               = "cuda";
 #endif
 
-
 #if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
-static const char *kHealthPrintTime = "health-print-time";
+const char *Config::kHealthPrintTime    = "health-print-time";
+#endif
+
+#ifdef XMRIG_FEATURE_DMI
+const char *Config::kDMI                = "dmi";
 #endif
 
 
@@ -88,6 +91,10 @@ public:
 #   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
     uint32_t healthPrintTime = 60;
 #   endif
+
+#   ifdef XMRIG_FEATURE_DMI
+    bool dmi = true;
+#   endif
 };
 
 }
@@ -143,6 +150,14 @@ uint32_t xmrig::Config::healthPrintTime() const
 #endif
 
 
+#ifdef XMRIG_FEATURE_DMI
+bool xmrig::Config::isDMI() const
+{
+    return d_ptr->dmi;
+}
+#endif
+
+
 bool xmrig::Config::isShouldSave() const
 {
     if (!isAutoSave()) {
@@ -191,6 +206,10 @@ bool xmrig::Config::read(const IJsonReader &reader, const char *fileName)
     d_ptr->healthPrintTime = reader.getUint(kHealthPrintTime, d_ptr->healthPrintTime);
 #   endif
 
+#   ifdef XMRIG_FEATURE_DMI
+    d_ptr->dmi = reader.getBool(kDMI, d_ptr->dmi);
+#   endif
+
     return true;
 }
 
@@ -236,6 +255,11 @@ void xmrig::Config::getJSON(rapidjson::Document &doc) const
 #   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
     doc.AddMember(StringRef(kHealthPrintTime),          healthPrintTime(), allocator);
 #   endif
+
+#   ifdef XMRIG_FEATURE_DMI
+    doc.AddMember(StringRef(kDMI),                      isDMI(), allocator);
+#   endif
+
     doc.AddMember(StringRef(kSyslog),                   isSyslog(), allocator);
 
 #   ifdef XMRIG_FEATURE_TLS

src/core/config/Config.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -50,6 +50,22 @@ class Config : public BaseConfig
 public:
     XMRIG_DISABLE_COPY_MOVE(Config);
 
+#   ifdef XMRIG_FEATURE_OPENCL
+    static const char *kOcl;
+#   endif
+
+#   ifdef XMRIG_FEATURE_CUDA
+    static const char *kCuda;
+#   endif
+
+#   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
+    static const char *kHealthPrintTime;
+#   endif
+
+#   ifdef XMRIG_FEATURE_DMI
+    static const char *kDMI;
+#   endif
+
     Config();
     ~Config() override;
 
@@ -70,7 +86,13 @@ public:
 #   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
     uint32_t healthPrintTime() const;
 #   else
-    uint32_t healthPrintTime() const { return 0; }
+    uint32_t healthPrintTime() const        { return 0; }
+#   endif
+
+#   ifdef XMRIG_FEATURE_DMI
+    bool isDMI() const;
+#   else
+    static constexpr inline bool isDMI()    { return false; }
 #   endif
 
     bool isShouldSave() const;

src/core/config/ConfigTransform.cpp

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -23,11 +23,11 @@
  */
 
 
+#include "core/config/ConfigTransform.h"
 #include "base/kernel/interfaces/IConfig.h"
-#include "backend/cpu/CpuConfig.h"
 #include "base/net/stratum/Pool.h"
 #include "base/net/stratum/Pools.h"
-#include "core/config/ConfigTransform.h"
+#include "core/config/Config.h"
 #include "crypto/cn/CnHash.h"
 
 
@@ -51,14 +51,6 @@ static const char *kEnabled     = "enabled";
 static const char *kIntensity   = "intensity";
 static const char *kThreads     = "threads";
 
-#ifdef XMRIG_FEATURE_OPENCL
-static const char *kOcl         = "opencl";
-#endif
-
-#ifdef XMRIG_FEATURE_CUDA
-static const char *kCuda        = "cuda";
-#endif
-
 
 static inline uint64_t intensity(uint64_t av)
 {
@@ -122,7 +114,7 @@ void xmrig::ConfigTransform::finalize(rapidjson::Document &doc)
 
 #   ifdef XMRIG_FEATURE_OPENCL
     if (m_opencl) {
-        set(doc, kOcl, kEnabled, true);
+        set(doc, Config::kOcl, kEnabled, true);
     }
 #   endif
 }
@@ -208,47 +200,54 @@ void xmrig::ConfigTransform::transform(rapidjson::Document &doc, int key, const
         break;
 
     case IConfig::OclCacheKey: /* --opencl-no-cache */
-        return set(doc, kOcl, "cache", false);
+        return set(doc, Config::kOcl, "cache", false);
 
     case IConfig::OclLoaderKey: /* --opencl-loader */
-        return set(doc, kOcl, "loader", arg);
+        return set(doc, Config::kOcl, "loader", arg);
 
     case IConfig::OclDevicesKey: /* --opencl-devices */
         m_opencl = true;
-        return set(doc, kOcl, "devices-hint", arg);
+        return set(doc, Config::kOcl, "devices-hint", arg);
 
     case IConfig::OclPlatformKey: /* --opencl-platform */
         if (strlen(arg) < 3) {
-            return set(doc, kOcl, "platform", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+            return set(doc, Config::kOcl, "platform", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
         }
 
-        return set(doc, kOcl, "platform", arg);
+        return set(doc, Config::kOcl, "platform", arg);
 #   endif
 
 #   ifdef XMRIG_FEATURE_CUDA
     case IConfig::CudaKey: /* --cuda */
-        return set(doc, kCuda, kEnabled, true);
+        return set(doc, Config::kCuda, kEnabled, true);
 
     case IConfig::CudaLoaderKey: /* --cuda-loader */
-        return set(doc, kCuda, "loader", arg);
+        return set(doc, Config::kCuda, "loader", arg);
 
     case IConfig::CudaDevicesKey: /* --cuda-devices */
-        set(doc, kCuda, kEnabled, true);
-        return set(doc, kCuda, "devices-hint", arg);
+        set(doc, Config::kCuda, kEnabled, true);
+        return set(doc, Config::kCuda, "devices-hint", arg);
 
     case IConfig::CudaBFactorKey: /* --cuda-bfactor-hint */
-        return set(doc, kCuda, "bfactor-hint", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+        return set(doc, Config::kCuda, "bfactor-hint", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
 
     case IConfig::CudaBSleepKey: /* --cuda-bsleep-hint */
-        return set(doc, kCuda, "bsleep-hint", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+        return set(doc, Config::kCuda, "bsleep-hint", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
 #   endif
 
 #   ifdef XMRIG_FEATURE_NVML
     case IConfig::NvmlKey: /* --no-nvml */
-        return set(doc, kCuda, "nvml", false);
+        return set(doc, Config::kCuda, "nvml", false);
+#   endif
 
+#   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
     case IConfig::HealthPrintTimeKey: /* --health-print-time */
-        return set(doc, "health-print-time", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+        return set(doc, Config::kHealthPrintTime, static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+#   endif
+
+#   ifdef XMRIG_FEATURE_DMI
+    case IConfig::DmiKey: /* --no-dmi */
+        return set(doc, Config::kDMI, false);
 #   endif
 
 #   ifdef XMRIG_FEATURE_BENCHMARK

src/core/config/ConfigTransform.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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

src/core/config/Config_default.h

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -22,6 +16,7 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 #ifndef XMRIG_CONFIG_DEFAULT_H
 #define XMRIG_CONFIG_DEFAULT_H
 
@@ -29,6 +24,7 @@
 namespace xmrig {
 
 
+// This feature require CMake option: -DWITH_EMBEDDED_CONFIG=ON
 #ifdef XMRIG_FEATURE_EMBEDDED_CONFIG
 const static char *default_config =
 R"===(
@@ -45,9 +41,9 @@ R"===(
         "restricted": true
     },
     "autosave": true,
-    "version": 1,
     "background": false,
     "colors": true,
+    "title": true,
     "randomx": {
         "init": -1,
         "init-avx2": -1,
@@ -80,6 +76,7 @@ R"===(
         "cache": true,
         "loader": null,
         "platform": "AMD",
+        "adl": true,
         "cn/0": false,
         "cn-lite/0": false
     },
@@ -90,7 +87,7 @@ R"===(
         "cn/0": false,
         "cn-lite/0": false
     },
-    "donate-level": 5,
+    "donate-level": 1,
     "donate-over-proxy": 1,
     "log-file": null,
     "pools": [
@@ -107,15 +104,27 @@ R"===(
             "tls": false,
             "tls-fingerprint": null,
             "daemon": false,
+            "socks5": null,
             "self-select": null
         }
     ],
     "print-time": 60,
     "health-print-time": 60,
+    "dmi": true,
     "retries": 5,
     "retry-pause": 5,
     "syslog": false,
+    "tls": {
+        "enabled": false,
+        "protocols": null,
+        "cert": null,
+        "cert_key": null,
+        "ciphers": null,
+        "ciphersuites": null,
+        "dhparam": null
+    },
     "user-agent": null,
+    "verbose": 0,
     "watch": true,
     "pause-on-battery": false
 }

src/core/config/Config_platform.h

@@ -155,7 +155,12 @@ static const option options[] = {
 #   endif
 #   ifdef XMRIG_FEATURE_NVML
     { "no-nvml",               0, nullptr, IConfig::NvmlKey               },
+#   endif
+#   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
     { "health-print-time",     1, nullptr, IConfig::HealthPrintTimeKey    },
+#   endif
+#   ifdef XMRIG_FEATURE_DMI
+    { "no-dmi",                0, nullptr, IConfig::DmiKey                },
 #   endif
     { nullptr,                 0, nullptr, 0 }
 };

src/core/config/usage.h

@@ -190,6 +190,10 @@ static inline const std::string &usage()
     u += "      --hash=HASH               compare benchmark result with specified hash\n";
 #   endif
 
+#   ifdef XMRIG_FEATURE_DMI
+    u += "      --no-dmi                  disable DMI/SMBIOS reader\n";
+#   endif
+
     return u;
 }
 

src/crypto/randomx/aes_hash.cpp

@@ -371,7 +371,7 @@ hashAndFillAes1Rx4_impl* softAESImpl = &hashAndFillAes1Rx4<1,1>;
 
 void SelectSoftAESImpl(size_t threadsCount)
 {
-  constexpr int test_length_ms = 100;
+  constexpr uint64_t test_length_ms = 100;
   const std::array<hashAndFillAes1Rx4_impl *, 4> impl = {
     &hashAndFillAes1Rx4<1,1>,
     &hashAndFillAes1Rx4<2,1>,

src/crypto/randomx/jit_compiler_x86.cpp

@@ -1,7 +1,7 @@
 /*
 Copyright (c) 2018-2020, tevador    <tevador@gmail.com>
-Copyright (c) 2019-2020, SChernykh  <https://github.com/SChernykh>
-Copyright (c) 2019-2020, XMRig      <https://github.com/xmrig>, <support@xmrig.com>
+Copyright (c) 2019-2021, SChernykh  <https://github.com/SChernykh>
+Copyright (c) 2019-2021, XMRig      <https://github.com/xmrig>, <support@xmrig.com>
 
 All rights reserved.
 
@@ -44,7 +44,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "crypto/rx/Profiler.h"
 
 #ifdef XMRIG_FIX_RYZEN
-#   include "crypto/rx/Rx.h"
+#   include "crypto/rx/RxFix.h"
 #endif
 
 #ifdef _MSC_VER
@@ -164,8 +164,9 @@ namespace randomx {
 	static const uint8_t NOP6[] = { 0x66, 0x0F, 0x1F, 0x44, 0x00, 0x00 };
 	static const uint8_t NOP7[] = { 0x0F, 0x1F, 0x80, 0x00, 0x00, 0x00, 0x00 };
 	static const uint8_t NOP8[] = { 0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 };
+	static const uint8_t NOP9[] = { 0x66, 0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
-	static const uint8_t* NOPX[] = { NOP1, NOP2, NOP3, NOP4, NOP5, NOP6, NOP7, NOP8 };
+	static const uint8_t* NOPX[] = { NOP1, NOP2, NOP3, NOP4, NOP5, NOP6, NOP7, NOP8, NOP9 };
 
 	static const uint8_t JMP_ALIGN_PREFIX[14][16] = {
 		{},
@@ -416,21 +417,20 @@ namespace randomx {
 
 	void JitCompilerX86::generateProgramPrologue(Program& prog, ProgramConfiguration& pcfg) {
 		codePos = ADDR(randomx_program_prologue_first_load) - ADDR(randomx_program_prologue);
-		code[codePos + 2] = 0xc0 + pcfg.readReg0;
-		code[codePos + 5] = 0xc0 + pcfg.readReg1;
-		*(uint32_t*)(code + codePos + 10) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
-		*(uint32_t*)(code + codePos + 20) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
+		*(uint32_t*)(code + codePos + 4) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
+		*(uint32_t*)(code + codePos + 14) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
 		if (hasAVX) {
-			uint32_t* p = (uint32_t*)(code + codePos + 67);
+			uint32_t* p = (uint32_t*)(code + codePos + 61);
 			*p = (*p & 0xFF000000U) | 0x0077F8C5U;
 		}
 
 #		ifdef XMRIG_FIX_RYZEN
-		xmrig::Rx::setMainLoopBounds(mainLoopBounds);
+        xmrig::RxFix::setMainLoopBounds(mainLoopBounds);
 #		endif
 
 		memcpy(code + prologueSize - 48, &pcfg.eMask, sizeof(pcfg.eMask));
 		codePos = codePosFirst;
+		prevCFROUND = 0;
 
 		//mark all registers as used
 		uint64_t* r = (uint64_t*)registerUsage;
@@ -1155,6 +1155,8 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
+		prevCFROUND = 0;
+
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 		const uint64_t src = instr.src % RegisterCountFlt;
 
@@ -1168,6 +1170,8 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
+		prevCFROUND = 0;
+
 		const uint32_t src = instr.src % RegistersCount;
 		const uint32_t dst = instr.dst % RegisterCountFlt;
 
@@ -1183,6 +1187,8 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
+		prevCFROUND = 0;
+
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 		const uint64_t src = instr.src % RegisterCountFlt;
 
@@ -1196,6 +1202,8 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
+		prevCFROUND = 0;
+
 		const uint32_t src = instr.src % RegistersCount;
 		const uint32_t dst = instr.dst % RegisterCountFlt;
 
@@ -1221,7 +1229,9 @@ namespace randomx {
 	void JitCompilerX86::h_FMUL_R(const Instruction& instr) {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
-		
+
+		prevCFROUND = 0;
+
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 		const uint64_t src = instr.src % RegisterCountFlt;
 
@@ -1235,6 +1245,8 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
+		prevCFROUND = 0;
+
 		const uint32_t src = instr.src % RegistersCount;
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 
@@ -1260,6 +1272,8 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
+		prevCFROUND = 0;
+
 		const uint32_t dst = instr.dst % RegisterCountFlt;
 
 		emit32(0xe4510f66 + (((dst << 3) + dst) << 24), p, pos);
@@ -1269,7 +1283,22 @@ namespace randomx {
 
 	void JitCompilerX86::h_CFROUND(const Instruction& instr) {
 		uint8_t* const p = code;
-		uint32_t pos = codePos;
+		uint32_t pos = prevCFROUND;
+
+		if (pos) {
+			if (vm_flags & RANDOMX_FLAG_AMD) {
+				memcpy(p + pos + 0, NOP9, 9);
+				memcpy(p + pos + 9, NOP9, 9);
+				memcpy(p + pos + 18, NOP8, 8);
+			}
+			else {
+				memcpy(p + pos + 0, NOP8, 8);
+				memcpy(p + pos + 8, NOP6, 6);
+			}
+		}
+
+		pos = codePos;
+		prevCFROUND = pos;
 
 		const uint32_t src = instr.src % RegistersCount;
 
@@ -1293,7 +1322,22 @@ namespace randomx {
 
 	void JitCompilerX86::h_CFROUND_BMI2(const Instruction& instr) {
 		uint8_t* const p = code;
-		uint32_t pos = codePos;
+		uint32_t pos = prevCFROUND;
+
+		if (pos) {
+			if (vm_flags & RANDOMX_FLAG_AMD) {
+				memcpy(p + pos + 0, NOP9, 9);
+				memcpy(p + pos + 9, NOP9, 9);
+				memcpy(p + pos + 18, NOP7, 7);
+			}
+			else {
+				memcpy(p + pos + 0, NOP8, 8);
+				memcpy(p + pos + 8, NOP5, 5);
+			}
+		}
+
+		pos = codePos;
+		prevCFROUND = pos;
 
 		const uint64_t src = instr.src % RegistersCount;
 
@@ -1318,7 +1362,9 @@ namespace randomx {
 	void JitCompilerX86::h_CBRANCH(const Instruction& instr) {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
-		
+
+		prevCFROUND = 0;
+
 		const int reg = instr.dst % RegistersCount;
 		int32_t jmp_offset = registerUsage[reg] - (pos + 16);
 

src/crypto/randomx/jit_compiler_x86.hpp

@@ -89,6 +89,7 @@ namespace randomx {
 		uint32_t codePos = 0;
 		uint32_t codePosFirst = 0;
 		uint32_t vm_flags = 0;
+		uint32_t prevCFROUND = 0;
 
 #		ifdef XMRIG_FIX_RYZEN
 		std::pair<const void*, const void*> mainLoopBounds;

src/crypto/randomx/jit_compiler_x86_static.S

@@ -93,8 +93,6 @@ DECL(randomx_program_prologue):
 	movapd xmm15, xmmword ptr [scaleMask+rip]
 
 DECL(randomx_program_prologue_first_load):
-	xor rax, r8
-	xor rax, r8
 	mov rdx, rax
 	and eax, RANDOMX_SCRATCHPAD_MASK
 	ror rdx, 32

src/crypto/randomx/jit_compiler_x86_static.asm

@@ -81,8 +81,6 @@ randomx_program_prologue PROC
 randomx_program_prologue ENDP
 
 randomx_program_prologue_first_load PROC
-	xor rax, r8
-	xor rax, r8
 	mov rdx, rax
 	and eax, RANDOMX_SCRATCHPAD_MASK
 	ror rdx, 32

src/crypto/rx/Rx.cpp

@@ -1,7 +1,7 @@
 /* XMRig
  * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -27,6 +27,12 @@
 #include "crypto/randomx/aes_hash.hpp"
 
 
+#ifdef XMRIG_FEATURE_MSR
+#   include "crypto/rx/RxFix.h"
+#   include "crypto/rx/RxMsr.h"
+#endif
+
+
 namespace xmrig {
 
 
@@ -34,8 +40,6 @@ class RxPrivate;
 
 
 static bool osInitialized   = false;
-static bool msrInitialized  = false;
-static bool msrEnabled      = false;
 static RxPrivate *d_ptr     = nullptr;
 
 
@@ -65,9 +69,9 @@ xmrig::RxDataset *xmrig::Rx::dataset(const Job &job, uint32_t nodeId)
 
 void xmrig::Rx::destroy()
 {
-    if (osInitialized) {
-        msrDestroy();
-    }
+#   ifdef XMRIG_FEATURE_MSR
+    RxMsr::destroy();
+#   endif
 
     delete d_ptr;
 
@@ -85,11 +89,9 @@ template<typename T>
 bool xmrig::Rx::init(const T &seed, const RxConfig &config, const CpuConfig &cpu)
 {
     if (seed.algorithm().family() != Algorithm::RANDOM_X) {
-        if (msrInitialized) {
-            msrDestroy();
-            msrInitialized  = false;
-            msrEnabled      = false;
-        }
+#       ifdef XMRIG_FEATURE_MSR
+        RxMsr::destroy();
+#       endif
 
         return true;
     }
@@ -98,13 +100,17 @@ bool xmrig::Rx::init(const T &seed, const RxConfig &config, const CpuConfig &cpu
     randomx_set_huge_pages_jit(cpu.isHugePagesJit());
     randomx_set_optimized_dataset_init(config.initDatasetAVX2());
 
-    if (!msrInitialized) {
-        msrEnabled      = msrInit(config, cpu.threads().get(seed.algorithm()).data());
-        msrInitialized  = true;
+#   ifdef XMRIG_FEATURE_MSR
+    if (!RxMsr::isInitialized()) {
+        RxMsr::init(config, cpu.threads().get(seed.algorithm()).data());
     }
+#   endif
 
     if (!osInitialized) {
-        setupMainLoopExceptionFrame();
+#       ifdef XMRIG_FIX_RYZEN
+        RxFix::setupMainLoopExceptionFrame();
+#       endif
+
         if (!cpu.isHwAES()) {
             SelectSoftAESImpl(cpu.threads().get(seed.algorithm()).count());
         }
@@ -131,24 +137,7 @@ bool xmrig::Rx::isReady(const T &seed)
 #ifdef XMRIG_FEATURE_MSR
 bool xmrig::Rx::isMSR()
 {
-    return msrEnabled;
-}
-#else
-bool xmrig::Rx::msrInit(const RxConfig &, const std::vector<CpuThread> &)
-{
-    return false;
-}
-
-
-void xmrig::Rx::msrDestroy()
-{
-}
-#endif
-
-
-#ifndef XMRIG_FIX_RYZEN
-void xmrig::Rx::setupMainLoopExceptionFrame()
-{
+    return RxMsr::isEnabled();
 }
 #endif
 

src/crypto/rx/Rx.h

@@ -1,7 +1,7 @@
 /* XMRig
  * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -52,20 +52,11 @@ public:
     template<typename T> static bool init(const T &seed, const RxConfig &config, const CpuConfig &cpu);
     template<typename T> static bool isReady(const T &seed);
 
-#   ifdef XMRIG_FIX_RYZEN
-    static void setMainLoopBounds(const std::pair<const void*, const void*>& bounds);
-#   endif
-
 #   ifdef XMRIG_FEATURE_MSR
     static bool isMSR();
 #   else
     static constexpr bool isMSR()   { return false; }
 #   endif
-
-private:
-    static bool msrInit(const RxConfig &config, const std::vector<CpuThread>& threads);
-    static void msrDestroy();
-    static void setupMainLoopExceptionFrame();
 };
 
 

src/crypto/rx/RxConfig.h

@@ -30,7 +30,7 @@
 
 
 #ifdef XMRIG_FEATURE_MSR
-#   include "crypto/rx/msr/MsrItem.h"
+#   include "hw/msr/MsrItem.h"
 #endif
 
 

src/crypto/rx/RxFix.h

@@ -0,0 +1,42 @@
+/* XMRig
+ * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_RXFIX_H
+#define XMRIG_RXFIX_H
+
+
+#include <utility>
+
+
+namespace xmrig
+{
+
+
+class RxFix
+{
+public:
+    static void setMainLoopBounds(const std::pair<const void *, const void *> &bounds);
+    static void setupMainLoopExceptionFrame();
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RXFIX_H */

src/crypto/rx/RxFix_linux.cpp

@@ -0,0 +1,71 @@
+/* XMRig
+ * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "crypto/rx/RxFix.h"
+#include "base/io/log/Log.h"
+
+
+#include <csignal>
+#include <cstdlib>
+#include <ucontext.h>
+
+
+namespace xmrig {
+
+
+static thread_local std::pair<const void*, const void*> mainLoopBounds = { nullptr, nullptr };
+
+
+static void MainLoopHandler(int sig, siginfo_t *info, void *ucontext)
+{
+    ucontext_t *ucp = (ucontext_t*) ucontext;
+
+    LOG_VERBOSE(YELLOW_BOLD("%s at %p"), (sig == SIGSEGV) ? "SIGSEGV" : "SIGILL", ucp->uc_mcontext.gregs[REG_RIP]);
+
+    void* p = reinterpret_cast<void*>(ucp->uc_mcontext.gregs[REG_RIP]);
+    const std::pair<const void*, const void*>& loopBounds = mainLoopBounds;
+
+    if ((loopBounds.first <= p) && (p < loopBounds.second)) {
+        ucp->uc_mcontext.gregs[REG_RIP] = reinterpret_cast<size_t>(loopBounds.second);
+    }
+    else {
+        abort();
+    }
+}
+
+
+} // namespace xmrig
+
+
+
+void xmrig::RxFix::setMainLoopBounds(const std::pair<const void *, const void *> &bounds)
+{
+    mainLoopBounds = bounds;
+}
+
+
+void xmrig::RxFix::setupMainLoopExceptionFrame()
+{
+    struct sigaction act = {};
+    act.sa_sigaction = MainLoopHandler;
+    act.sa_flags = SA_RESTART | SA_SIGINFO;
+    sigaction(SIGSEGV, &act, nullptr);
+    sigaction(SIGILL, &act, nullptr);
+}

src/crypto/rx/RxFix_win.cpp

@@ -0,0 +1,74 @@
+/* XMRig
+ * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "crypto/rx/RxFix.h"
+#include "base/io/log/Log.h"
+
+
+#include <windows.h>
+
+
+namespace xmrig {
+
+
+static thread_local std::pair<const void*, const void*> mainLoopBounds = { nullptr, nullptr };
+
+
+static LONG WINAPI MainLoopHandler(_EXCEPTION_POINTERS *ExceptionInfo)
+{
+    if (ExceptionInfo->ExceptionRecord->ExceptionCode == 0xC0000005) {
+        const char* accessType;
+        switch (ExceptionInfo->ExceptionRecord->ExceptionInformation[0]) {
+        case 0: accessType = "read"; break;
+        case 1: accessType = "write"; break;
+        case 8: accessType = "DEP violation"; break;
+        default: accessType = "unknown"; break;
+        }
+        LOG_VERBOSE(YELLOW_BOLD("[THREAD %u] Access violation at 0x%p: %s at address 0x%p"), GetCurrentThreadId(), ExceptionInfo->ExceptionRecord->ExceptionAddress, accessType, ExceptionInfo->ExceptionRecord->ExceptionInformation[1]);
+    }
+    else {
+        LOG_VERBOSE(YELLOW_BOLD("[THREAD %u] Exception 0x%08X at 0x%p"), GetCurrentThreadId(), ExceptionInfo->ExceptionRecord->ExceptionCode, ExceptionInfo->ExceptionRecord->ExceptionAddress);
+    }
+
+    void* p = reinterpret_cast<void*>(ExceptionInfo->ContextRecord->Rip);
+    const std::pair<const void*, const void*>& loopBounds = mainLoopBounds;
+
+    if ((loopBounds.first <= p) && (p < loopBounds.second)) {
+        ExceptionInfo->ContextRecord->Rip = reinterpret_cast<DWORD64>(loopBounds.second);
+        return EXCEPTION_CONTINUE_EXECUTION;
+    }
+
+    return EXCEPTION_CONTINUE_SEARCH;
+}
+
+
+} // namespace xmrig
+
+
+void xmrig::RxFix::setMainLoopBounds(const std::pair<const void *, const void *> &bounds)
+{
+    mainLoopBounds = bounds;
+}
+
+
+void xmrig::RxFix::setupMainLoopExceptionFrame()
+{
+    AddVectoredExceptionHandler(1, MainLoopHandler);
+}

src/crypto/rx/RxMsr.cpp

@@ -0,0 +1,183 @@
+/* XMRig
+ * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "crypto/rx/RxMsr.h"
+#include "backend/cpu/Cpu.h"
+#include "backend/cpu/CpuThread.h"
+#include "base/io/log/Log.h"
+#include "base/tools/Chrono.h"
+#include "crypto/rx/RxConfig.h"
+#include "hw/msr/Msr.h"
+
+
+#include <algorithm>
+#include <set>
+
+
+namespace xmrig {
+
+
+bool RxMsr::m_cacheQoS      = false;
+bool RxMsr::m_enabled       = false;
+bool RxMsr::m_initialized   = false;
+
+
+static MsrItems items;
+
+
+#ifdef XMRIG_OS_WIN
+static constexpr inline int32_t get_cpu(int32_t)        { return -1; }
+#else
+static constexpr inline int32_t get_cpu(int32_t cpu)    { return cpu; }
+#endif
+
+
+static bool wrmsr(const MsrItems &preset, const std::vector<CpuThread> &threads, bool cache_qos, bool save)
+{
+    auto msr = Msr::get();
+    if (!msr) {
+        return false;
+    }
+
+    if (save) {
+        items.reserve(preset.size());
+
+        for (const auto &i : preset) {
+            auto item = msr->read(i.reg());
+            if (!item.isValid()) {
+                items.clear();
+
+                return false;
+            }
+
+            LOG_VERBOSE("%s " CYAN_BOLD("0x%08" PRIx32) CYAN(":0x%016" PRIx64) CYAN_BOLD(" -> 0x%016" PRIx64), Msr::tag(), i.reg(), item.value(), MsrItem::maskedValue(item.value(), i.value(), i.mask()));
+
+            items.emplace_back(item);
+        }
+    }
+
+    // Which CPU cores will have access to the full L3 cache
+    std::set<int32_t> cacheEnabled;
+    bool cacheQoSDisabled = threads.empty();
+
+    if (cache_qos) {
+        const auto &units = Cpu::info()->units();
+
+        for (const auto &t : threads) {
+            const auto affinity = static_cast<int32_t>(t.affinity());
+
+            // If some thread has no affinity or wrong affinity, disable cache QoS
+            if (affinity < 0 || std::find(units.begin(), units.end(), affinity) == units.end()) {
+                cacheQoSDisabled = true;
+
+                LOG_WARN("%s " YELLOW_BOLD("cache QoS can only be enabled when all mining threads have affinity set"), Msr::tag());
+                break;
+            }
+
+            cacheEnabled.insert(affinity);
+        }
+    }
+
+    return msr->write([&msr, &preset, cache_qos, &cacheEnabled, cacheQoSDisabled](int32_t cpu) {
+        for (const auto &item : preset) {
+            if (!msr->write(item, get_cpu(cpu))) {
+                return false;
+            }
+        }
+
+        if (!cache_qos) {
+            return true;
+        }
+
+        // Assign Class Of Service 0 to current CPU core (default, full L3 cache available)
+        if (cacheQoSDisabled || cacheEnabled.count(cpu)) {
+            return msr->write(0xC8F, 0, get_cpu(cpu));
+        }
+
+        // Disable L3 cache for Class Of Service 1
+        if (!msr->write(0xC91, 0, get_cpu(cpu))) {
+            // Some CPUs don't let set it to all zeros
+            if (!msr->write(0xC91, 1, get_cpu(cpu))) {
+                return false;
+            }
+        }
+
+        // Assign Class Of Service 1 to current CPU core
+        return msr->write(0xC8F, 1ULL << 32, get_cpu(cpu));
+    });
+}
+
+
+} // namespace xmrig
+
+
+bool xmrig::RxMsr::init(const RxConfig &config, const std::vector<CpuThread> &threads)
+{
+    if (isInitialized()) {
+        return isEnabled();
+    }
+
+    m_initialized = true;
+    m_enabled     = false;
+
+    const auto &preset = config.msrPreset();
+    if (preset.empty()) {
+        return false;
+    }
+
+    const uint64_t ts = Chrono::steadyMSecs();
+    m_cacheQoS        = config.cacheQoS();
+
+    if (m_cacheQoS && !Cpu::info()->hasCatL3()) {
+        LOG_WARN("%s " YELLOW_BOLD("this CPU doesn't support cat_l3, cache QoS is unavailable"), Msr::tag());
+
+        m_cacheQoS = false;
+    }
+
+    if ((m_enabled = wrmsr(preset, threads, m_cacheQoS, config.rdmsr()))) {
+        LOG_NOTICE("%s " GREEN_BOLD("register values for \"%s\" preset have been set successfully") BLACK_BOLD(" (%" PRIu64 " ms)"), Msr::tag(), config.msrPresetName(), Chrono::steadyMSecs() - ts);
+    }
+    else {
+        LOG_ERR("%s " RED_BOLD("FAILED TO APPLY MSR MOD, HASHRATE WILL BE LOW"), Msr::tag());
+    }
+
+    return isEnabled();
+}
+
+
+void xmrig::RxMsr::destroy()
+{
+    if (!isInitialized()) {
+        return;
+    }
+
+    m_initialized = false;
+    m_enabled     = false;
+
+    if (items.empty()) {
+        return;
+    }
+
+    const uint64_t ts = Chrono::steadyMSecs();
+
+    if (!wrmsr(items, std::vector<CpuThread>(), m_cacheQoS, false)) {
+        LOG_ERR("%s " RED_BOLD("failed to restore initial state" BLACK_BOLD(" (%" PRIu64 " ms)")), Msr::tag(), Chrono::steadyMSecs() - ts);
+    }
+}

src/crypto/rx/RxMsr.h

@@ -0,0 +1,54 @@
+/* XMRig
+ * Copyright (c) 2018-2019 tevador     <tevador@gmail.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_RXMSR_H
+#define XMRIG_RXMSR_H
+
+
+#include <vector>
+
+
+namespace xmrig
+{
+
+
+class CpuThread;
+class RxConfig;
+
+
+class RxMsr
+{
+public:
+    static inline bool isEnabled()      { return m_enabled; }
+    static inline bool isInitialized()  { return m_initialized; }
+
+    static bool init(const RxConfig &config, const std::vector<CpuThread> &threads);
+    static void destroy();
+
+private:
+    static bool m_cacheQoS;
+    static bool m_enabled;
+    static bool m_initialized;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RXMSR_H */

src/crypto/rx/Rx_linux.cpp

@@ -1,313 +0,0 @@
-/* XMRig
- * Copyright (c) 2018-2019 tevador                  <tevador@gmail.com>
- * Copyright (c) 2000      Transmeta Corporation    <https://github.com/intel/msr-tools>
- * Copyright (c) 2004-2008 H. Peter Anvin           <https://github.com/intel/msr-tools>
- * Copyright (c) 2018-2020 SChernykh                <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig                    <https://github.com/xmrig>, <support@xmrig.com>
- *
- *   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, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   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 for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include "crypto/rx/Rx.h"
-#include "backend/cpu/Cpu.h"
-#include "backend/cpu/CpuThread.h"
-#include "base/io/log/Log.h"
-#include "base/tools/Chrono.h"
-#include "crypto/rx/RxConfig.h"
-
-
-#include <array>
-#include <cctype>
-#include <cinttypes>
-#include <cstdio>
-#include <dirent.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <signal.h>
-#include <ucontext.h>
-
-
-namespace xmrig {
-
-
-static const char *tag = YELLOW_BG_BOLD(WHITE_BOLD_S " msr     ") " ";
-static MsrItems savedState;
-
-
-static inline int dir_filter(const struct dirent *dirp)
-{
-    return isdigit(dirp->d_name[0]) ? 1 : 0;
-}
-
-
-bool rdmsr_on_cpu(uint32_t reg, uint32_t cpu, uint64_t &value)
-{
-    char msr_file_name[64]{};
-
-    sprintf(msr_file_name, "/dev/cpu/%u/msr", cpu);
-    int fd = open(msr_file_name, O_RDONLY);
-    if (fd < 0) {
-        return false;
-    }
-
-    const bool success = pread(fd, &value, sizeof value, reg) == sizeof value;
-
-    close(fd);
-
-    return success;
-}
-
-
-static MsrItem rdmsr(uint32_t reg)
-{
-    uint64_t value = 0;
-    if (!rdmsr_on_cpu(reg, 0, value)) {
-        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "cannot read MSR 0x%08" PRIx32, tag, reg);
-
-        return {};
-    }
-
-    return { reg, value };
-}
-
-
-static uint64_t get_masked_value(uint64_t old_value, uint64_t new_value, uint64_t mask)
-{
-    return (new_value & mask) | (old_value & ~mask);
-}
-
-
-static bool wrmsr_on_cpu(uint32_t reg, uint32_t cpu, uint64_t value, uint64_t mask)
-{
-    // If a bit in mask is set to 1, use new value, otherwise use old value
-    if (mask != MsrItem::kNoMask) {
-        uint64_t old_value;
-        if (rdmsr_on_cpu(reg, cpu, old_value)) {
-            value = get_masked_value(old_value, value, mask);
-        }
-    }
-
-    char msr_file_name[64]{};
-
-    sprintf(msr_file_name, "/dev/cpu/%u/msr", cpu);
-    int fd = open(msr_file_name, O_WRONLY);
-    if (fd < 0) {
-        return false;
-    }
-
-    const bool success = pwrite(fd, &value, sizeof value, reg) == sizeof value;
-
-    close(fd);
-
-    return success;
-}
-
-
-template<typename T>
-static bool wrmsr_on_all_cpus(uint32_t reg, uint64_t value, uint64_t mask, T&& callback)
-{
-    struct dirent **namelist;
-    int dir_entries = scandir("/dev/cpu", &namelist, dir_filter, 0);
-    int errors      = 0;
-
-    while (dir_entries--) {
-        if (!callback(reg, strtoul(namelist[dir_entries]->d_name, nullptr, 10), value, mask)) {
-            ++errors;
-        }
-
-        free(namelist[dir_entries]);
-    }
-
-    free(namelist);
-
-    if (errors) {
-        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "cannot set MSR 0x%08" PRIx32 " to 0x%08" PRIx64, tag, reg, value);
-    }
-
-    return errors == 0;
-}
-
-
-static bool wrmsr_modprobe()
-{
-    if (system("/sbin/modprobe msr allow_writes=on > /dev/null 2>&1") != 0) {
-        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "msr kernel module is not available", tag);
-
-        return false;
-    }
-
-    return true;
-}
-
-
-static bool wrmsr(const MsrItems& preset, const std::vector<CpuThread>& threads, bool cache_qos, bool save)
-{
-    if (!wrmsr_modprobe()) {
-        return false;
-    }
-
-    if (save) {
-        for (const auto &i : preset) {
-            auto item = rdmsr(i.reg());
-            LOG_VERBOSE(CLEAR "%s" CYAN_BOLD("0x%08" PRIx32) CYAN(":0x%016" PRIx64) CYAN_BOLD(" -> 0x%016" PRIx64), tag, i.reg(), item.value(), get_masked_value(item.value(), i.value(), i.mask()));
-
-            if (item.isValid()) {
-                savedState.emplace_back(item);
-            }
-        }
-    }
-
-    for (const auto &i : preset) {
-        if (!wrmsr_on_all_cpus(i.reg(), i.value(), i.mask(), [](uint32_t reg, uint32_t cpu, uint64_t value, uint64_t mask) { return wrmsr_on_cpu(reg, cpu, value, mask); })) {
-            return false;
-        }
-    }
-
-    const uint32_t n = Cpu::info()->threads();
-
-    // Which CPU cores will have access to the full L3 cache
-    std::vector<bool> cacheEnabled(n, false);
-    bool cacheQoSDisabled = threads.empty();
-
-    for (const CpuThread& t : threads) {
-        // If some thread has no affinity or wrong affinity, disable cache QoS
-        if ((t.affinity() < 0) || (t.affinity() >= n)) {
-            cacheQoSDisabled = true;
-            if (cache_qos) {
-                LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "Cache QoS can only be enabled when all mining threads have affinity set", tag);
-            }
-            break;
-        }
-
-        cacheEnabled[t.affinity()] = true;
-    }
-
-    if (cache_qos && !Cpu::info()->hasCatL3()) {
-        if (!threads.empty()) {
-            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "This CPU doesn't support cat_l3, cache QoS is unavailable", tag);
-        }
-        cache_qos = false;
-    }
-
-    bool result = true;
-
-    if (cache_qos) {
-        result = wrmsr_on_all_cpus(0xC8F, 0, MsrItem::kNoMask, [&cacheEnabled, cacheQoSDisabled](uint32_t, uint32_t cpu, uint64_t, uint64_t) {
-            if (cacheQoSDisabled || (cpu >= cacheEnabled.size()) || cacheEnabled[cpu]) {
-                // Assign Class Of Service 0 to current CPU core (default, full L3 cache available)
-                if (!wrmsr_on_cpu(0xC8F, cpu, 0, MsrItem::kNoMask)) {
-                    return false;
-                }
-            }
-            else {
-                // Disable L3 cache for Class Of Service 1
-                if (!wrmsr_on_cpu(0xC91, cpu, 0, MsrItem::kNoMask)) {
-                    // Some CPUs don't let set it to all zeros
-                    if (!wrmsr_on_cpu(0xC91, cpu, 1, MsrItem::kNoMask)) {
-                        return false;
-                    }
-                }
-
-                // Assign Class Of Service 1 to current CPU core
-                if (!wrmsr_on_cpu(0xC8F, cpu, 1ULL << 32, MsrItem::kNoMask)) {
-                    return false;
-                }
-            }
-            return true;
-        });
-    }
-
-    return result;
-}
-
-
-#ifdef XMRIG_FIX_RYZEN
-static thread_local std::pair<const void*, const void*> mainLoopBounds = { nullptr, nullptr };
-
-static void MainLoopHandler(int sig, siginfo_t *info, void *ucontext)
-{
-    ucontext_t *ucp = (ucontext_t*) ucontext;
-
-    LOG_VERBOSE(YELLOW_BOLD("%s at %p"), (sig == SIGSEGV) ? "SIGSEGV" : "SIGILL", ucp->uc_mcontext.gregs[REG_RIP]);
-
-    void* p = reinterpret_cast<void*>(ucp->uc_mcontext.gregs[REG_RIP]);
-    const std::pair<const void*, const void*>& loopBounds = mainLoopBounds;
-
-    if ((loopBounds.first <= p) && (p < loopBounds.second)) {
-        ucp->uc_mcontext.gregs[REG_RIP] = reinterpret_cast<size_t>(loopBounds.second);
-    }
-    else {
-        abort();
-    }
-}
-
-void Rx::setMainLoopBounds(const std::pair<const void*, const void*>& bounds)
-{
-    mainLoopBounds = bounds;
-}
-#endif
-
-
-} // namespace xmrig
-
-
-bool xmrig::Rx::msrInit(const RxConfig &config, const std::vector<CpuThread> &threads)
-{
-    const auto &preset = config.msrPreset();
-    if (preset.empty()) {
-        return false;
-    }
-
-    const uint64_t ts = Chrono::steadyMSecs();
-
-    if (wrmsr(preset, threads, config.cacheQoS(), config.rdmsr())) {
-        LOG_NOTICE(CLEAR "%s" GREEN_BOLD_S "register values for \"%s\" preset has been set successfully" BLACK_BOLD(" (%" PRIu64 " ms)"), tag, config.msrPresetName(), Chrono::steadyMSecs() - ts);
-
-        return true;
-    }
-
-
-    LOG_ERR(CLEAR "%s" RED_BOLD_S "FAILED TO APPLY MSR MOD, HASHRATE WILL BE LOW", tag);
-
-    return false;
-}
-
-
-void xmrig::Rx::msrDestroy()
-{
-    if (savedState.empty()) {
-        return;
-    }
-
-    const uint64_t ts = Chrono::steadyMSecs();
-
-    if (!wrmsr(savedState, std::vector<CpuThread>(), true, false)) {
-        LOG_ERR(CLEAR "%s" RED_BOLD_S "failed to restore initial state" BLACK_BOLD(" (%" PRIu64 " ms)"), tag, Chrono::steadyMSecs() - ts);
-    }
-}
-
-
-void xmrig::Rx::setupMainLoopExceptionFrame()
-{
-#   ifdef XMRIG_FIX_RYZEN
-    struct sigaction act = {};
-    act.sa_sigaction = MainLoopHandler;
-    act.sa_flags = SA_RESTART | SA_SIGINFO;
-    sigaction(SIGSEGV, &act, nullptr);
-    sigaction(SIGILL, &act, nullptr);
-#   endif
-}

src/crypto/rx/Rx_win.cpp

@@ -1,431 +0,0 @@
-/* XMRig
- * Copyright (c) 2018-2019 tevador                  <tevador@gmail.com>
- * Copyright (c) 2000      Transmeta Corporation    <https://github.com/intel/msr-tools>
- * Copyright (c) 2004-2008 H. Peter Anvin           <https://github.com/intel/msr-tools>
- * Copyright (c) 2007-2009 hiyohiyo                 <https://openlibsys.org>, <hiyohiyo@crystalmark.info>
- * Copyright (c) 2018-2020 SChernykh                <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig                    <https://github.com/xmrig>, <support@xmrig.com>
- *
- *   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, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   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 for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include "crypto/rx/Rx.h"
-#include "backend/cpu/Cpu.h"
-#include "backend/cpu/CpuThread.h"
-#include "base/io/log/Log.h"
-#include "base/kernel/Platform.h"
-#include "base/tools/Chrono.h"
-#include "crypto/rx/RxConfig.h"
-
-
-#include <windows.h>
-#include <array>
-#include <string>
-#include <thread>
-
-
-#define SERVICE_NAME L"WinRing0_1_2_0"
-
-
-namespace xmrig {
-
-
-static bool reuseDriver = false;
-static const char *tag  = YELLOW_BG_BOLD(WHITE_BOLD_S " msr     ") " ";
-static MsrItems savedState;
-
-
-static SC_HANDLE hManager;
-static SC_HANDLE hService;
-
-
-static bool wrmsr_uninstall_driver()
-{
-    if (!hService) {
-        return true;
-    }
-
-    bool result = true;
-
-    if (!reuseDriver) {
-        SERVICE_STATUS serviceStatus;
-
-        if (!ControlService(hService, SERVICE_CONTROL_STOP, &serviceStatus)) {
-            result = false;
-        }
-
-        if (!DeleteService(hService)) {
-            LOG_ERR(CLEAR "%s" RED_S "failed to remove WinRing0 driver, error %u", tag, GetLastError());
-            result = false;
-        }
-    }
-
-    CloseServiceHandle(hService);
-    hService = nullptr;
-
-    return result;
-}
-
-
-static HANDLE wrmsr_install_driver()
-{
-    DWORD err = 0;
-
-    hManager = OpenSCManager(nullptr, nullptr, SC_MANAGER_ALL_ACCESS);
-    if (!hManager) {
-        err = GetLastError();
-
-        if (err == ERROR_ACCESS_DENIED) {
-            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "to write MSR registers Administrator privileges required.", tag);
-        }
-        else {
-            LOG_ERR(CLEAR "%s" RED_S "failed to open service control manager, error %u", tag, err);
-        }
-
-        return nullptr;
-    }
-
-    std::vector<wchar_t> dir;
-    dir.resize(MAX_PATH);
-    do {
-        dir.resize(dir.size() * 2);
-        GetModuleFileNameW(nullptr, dir.data(), dir.size());
-        err = GetLastError();
-    } while (err == ERROR_INSUFFICIENT_BUFFER);
-
-    if (err != ERROR_SUCCESS) {
-        LOG_ERR(CLEAR "%s" RED_S "failed to get path to driver, error %u", tag, err);
-        return nullptr;
-    }
-
-    for (auto it = dir.end() - 1; it != dir.begin(); --it) {
-        if ((*it == L'\\') || (*it == L'/')) {
-            ++it;
-            *it = L'\0';
-            break;
-        }
-    }
-
-    std::wstring driverPath = dir.data();
-    driverPath += L"WinRing0x64.sys";
-
-    hService = OpenServiceW(hManager, SERVICE_NAME, SERVICE_ALL_ACCESS);
-    if (hService) {
-        LOG_WARN(CLEAR "%s" YELLOW("service ") YELLOW_BOLD("WinRing0_1_2_0") YELLOW(" is already exists"), tag);
-
-        SERVICE_STATUS status;
-        const auto rc = QueryServiceStatus(hService, &status);
-
-        if (rc) {
-            DWORD dwBytesNeeded;
-
-            QueryServiceConfigA(hService, nullptr, 0, &dwBytesNeeded);
-            if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
-                std::vector<BYTE> buffer(dwBytesNeeded);
-                auto config = reinterpret_cast<LPQUERY_SERVICE_CONFIGA>(buffer.data());
-
-                if (QueryServiceConfigA(hService, config, buffer.size(), &dwBytesNeeded)) {
-                    LOG_INFO(CLEAR "%s" YELLOW("service path: ") YELLOW_BOLD("\"%s\""), tag, config->lpBinaryPathName);
-                }
-            }
-        }
-
-        if (rc && status.dwCurrentState == SERVICE_RUNNING) {
-            reuseDriver = true;
-        }
-        else if (!wrmsr_uninstall_driver()) {
-            return nullptr;
-        }
-    }
-
-    if (!reuseDriver) {
-        hService = CreateServiceW(hManager, SERVICE_NAME, SERVICE_NAME, SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, driverPath.c_str(), nullptr, nullptr, nullptr, nullptr, nullptr);
-        if (!hService) {
-            LOG_ERR(CLEAR "%s" RED_S "failed to install WinRing0 driver, error %u", tag, GetLastError());
-
-            return nullptr;
-        }
-
-        if (!StartService(hService, 0, nullptr)) {
-            err = GetLastError();
-            if (err != ERROR_SERVICE_ALREADY_RUNNING) {
-                if (err == ERROR_FILE_NOT_FOUND) {
-                    LOG_ERR(CLEAR "%s" RED("failed to start WinRing0 driver: ") RED_BOLD("\"WinRing0x64.sys not found\""), tag);
-                }
-                else {
-                    LOG_ERR(CLEAR "%s" RED_S "failed to start WinRing0 driver, error %u", tag, err);
-                }
-
-                wrmsr_uninstall_driver();
-
-                return nullptr;
-            }
-        }
-    }
-
-    HANDLE hDriver = CreateFileW(L"\\\\.\\" SERVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
-    if (!hDriver) {
-        LOG_ERR(CLEAR "%s" RED_S "failed to connect to WinRing0 driver, error %u", tag, GetLastError());
-
-        return nullptr;
-    }
-
-    return hDriver;
-}
-
-
-#define IOCTL_READ_MSR  CTL_CODE(40000, 0x821, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_WRITE_MSR CTL_CODE(40000, 0x822, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-
-static bool rdmsr(HANDLE driver, uint32_t reg, uint64_t &value)
-{
-    DWORD size = 0;
-
-    return DeviceIoControl(driver, IOCTL_READ_MSR, &reg, sizeof(reg), &value, sizeof(value), &size, nullptr) != 0;
-}
-
-
-static MsrItem rdmsr(HANDLE driver, uint32_t reg)
-{
-    uint64_t value = 0;
-    if (!rdmsr(driver, reg, value)) {
-        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "cannot read MSR 0x%08" PRIx32, tag, reg);
-
-        return {};
-    }
-
-    return { reg, value };
-}
-
-
-static uint64_t get_masked_value(uint64_t old_value, uint64_t new_value, uint64_t mask)
-{
-    return (new_value & mask) | (old_value & ~mask);
-}
-
-
-static bool wrmsr(HANDLE driver, uint32_t reg, uint64_t value, uint64_t mask)
-{
-    struct {
-        uint32_t reg = 0;
-        uint32_t value[2]{};
-    } input;
-
-    static_assert(sizeof(input) == 12, "Invalid struct size for WinRing0 driver");
-
-    // If a bit in mask is set to 1, use new value, otherwise use old value
-    if (mask != MsrItem::kNoMask) {
-        uint64_t old_value;
-        if (rdmsr(driver, reg, old_value)) {
-            value = get_masked_value(old_value, value, mask);
-        }
-    }
-
-    input.reg = reg;
-    *(reinterpret_cast<uint64_t*>(input.value)) = value;
-
-    DWORD output;
-    DWORD k;
-
-    if (!DeviceIoControl(driver, IOCTL_WRITE_MSR, &input, sizeof(input), &output, sizeof(output), &k, nullptr)) {
-        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "cannot set MSR 0x%08" PRIx32 " to 0x%08" PRIx64, tag, reg, value);
-
-        return false;
-    }
-
-    return true;
-}
-
-
-static bool wrmsr(const MsrItems &preset, const std::vector<CpuThread>& threads, bool cache_qos, bool save)
-{
-    bool success = true;
-
-    HANDLE driver = wrmsr_install_driver();
-    if (!driver) {
-        wrmsr_uninstall_driver();
-
-        if (hManager) {
-            CloseServiceHandle(hManager);
-        }
-
-        return false;
-    }
-
-    if (save) {
-        for (const auto &i : preset) {
-            auto item = rdmsr(driver, i.reg());
-            LOG_VERBOSE(CLEAR "%s" CYAN_BOLD("0x%08" PRIx32) CYAN(":0x%016" PRIx64) CYAN_BOLD(" -> 0x%016" PRIx64), tag, i.reg(), item.value(), get_masked_value(item.value(), i.value(), i.mask()));
-
-            if (item.isValid()) {
-                savedState.emplace_back(item);
-            }
-        }
-    }
-
-    const uint32_t n = Cpu::info()->threads();
-
-    // Which CPU cores will have access to the full L3 cache
-    std::vector<bool> cacheEnabled(n, false);
-    bool cacheQoSDisabled = threads.empty();
-
-    for (const CpuThread& t : threads) {
-        // If some thread has no affinity or wrong affinity, disable cache QoS
-        if ((t.affinity() < 0) || (t.affinity() >= n)) {
-            cacheQoSDisabled = true;
-            if (cache_qos) {
-                LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "Cache QoS can only be enabled when all mining threads have affinity set", tag);
-            }
-            break;
-        }
-
-        cacheEnabled[t.affinity()] = true;
-    }
-
-    if (cache_qos && !Cpu::info()->hasCatL3()) {
-        if (!threads.empty()) {
-            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "This CPU doesn't support cat_l3, cache QoS is unavailable", tag);
-        }
-        cache_qos = false;
-    }
-
-    std::thread wrmsr_thread([n, driver, &preset, &cacheEnabled, cache_qos, cacheQoSDisabled, &success]() {
-        for (uint32_t i = 0; i < n; ++i) {
-            if (!Platform::setThreadAffinity(i)) {
-                continue;
-            }
-
-            for (const auto &i : preset) {
-                success &= wrmsr(driver, i.reg(), i.value(), i.mask());
-            }
-
-            if (cache_qos) {
-                if (cacheQoSDisabled || cacheEnabled[i]) {
-                    // Assign Class Of Service 0 to current CPU core (default, full L3 cache available)
-                    success &= wrmsr(driver, 0xC8F, 0, MsrItem::kNoMask);
-                }
-                else {
-                    // Disable L3 cache for Class Of Service 1
-                    if (!wrmsr(driver, 0xC91, 0, MsrItem::kNoMask)) {
-                        // Some CPUs don't let set it to all zeros
-                        if (!wrmsr(driver, 0xC91, 1, MsrItem::kNoMask)) {
-                            success = false;
-                        }
-                    }
-
-                    // Assign Class Of Service 1 to current CPU core
-                    success &= wrmsr(driver, 0xC8F, 1ULL << 32, MsrItem::kNoMask);
-                }
-            }
-
-            if (!success) {
-                break;
-            }
-        }
-    });
-
-    wrmsr_thread.join();
-
-    CloseHandle(driver);
-
-    wrmsr_uninstall_driver();
-    CloseServiceHandle(hManager);
-
-    return success;
-}
-
-
-#ifdef XMRIG_FIX_RYZEN
-static thread_local std::pair<const void*, const void*> mainLoopBounds = { nullptr, nullptr };
-
-static LONG WINAPI MainLoopHandler(_EXCEPTION_POINTERS *ExceptionInfo)
-{
-    if (ExceptionInfo->ExceptionRecord->ExceptionCode == 0xC0000005) {
-        const char* accessType;
-        switch (ExceptionInfo->ExceptionRecord->ExceptionInformation[0]) {
-        case 0: accessType = "read"; break;
-        case 1: accessType = "write"; break;
-        case 8: accessType = "DEP violation"; break;
-        default: accessType = "unknown"; break;
-        }
-        LOG_VERBOSE(YELLOW_BOLD("[THREAD %u] Access violation at 0x%p: %s at address 0x%p"), GetCurrentThreadId(), ExceptionInfo->ExceptionRecord->ExceptionAddress, accessType, ExceptionInfo->ExceptionRecord->ExceptionInformation[1]);
-    }
-    else {
-        LOG_VERBOSE(YELLOW_BOLD("[THREAD %u] Exception 0x%08X at 0x%p"), GetCurrentThreadId(), ExceptionInfo->ExceptionRecord->ExceptionCode, ExceptionInfo->ExceptionRecord->ExceptionAddress);
-    }
-
-    void* p = reinterpret_cast<void*>(ExceptionInfo->ContextRecord->Rip);
-    const std::pair<const void*, const void*>& loopBounds = mainLoopBounds;
-
-    if ((loopBounds.first <= p) && (p < loopBounds.second)) {
-        ExceptionInfo->ContextRecord->Rip = reinterpret_cast<DWORD64>(loopBounds.second);
-        return EXCEPTION_CONTINUE_EXECUTION;
-    }
-
-    return EXCEPTION_CONTINUE_SEARCH;
-}
-
-void Rx::setMainLoopBounds(const std::pair<const void*, const void*>& bounds)
-{
-    mainLoopBounds = bounds;
-}
-#endif
-
-
-} // namespace xmrig
-
-
-bool xmrig::Rx::msrInit(const RxConfig &config, const std::vector<CpuThread>& threads)
-{
-    const auto &preset = config.msrPreset();
-    if (preset.empty()) {
-        return false;
-    }
-
-    const uint64_t ts = Chrono::steadyMSecs();
-
-    if (wrmsr(preset, threads, config.cacheQoS(), config.rdmsr())) {
-        LOG_NOTICE(CLEAR "%s" GREEN_BOLD_S "register values for \"%s\" preset has been set successfully" BLACK_BOLD(" (%" PRIu64 " ms)"), tag, config.msrPresetName(), Chrono::steadyMSecs() - ts);
-
-        return true;
-    }
-
-    LOG_ERR(CLEAR "%s" RED_BOLD_S "FAILED TO APPLY MSR MOD, HASHRATE WILL BE LOW", tag);
-
-    return false;
-}
-
-
-void xmrig::Rx::msrDestroy()
-{
-    if (savedState.empty()) {
-        return;
-    }
-
-    const uint64_t ts = Chrono::steadyMSecs();
-
-    if (!wrmsr(savedState, std::vector<CpuThread>(), true, false)) {
-        LOG_ERR(CLEAR "%s" RED_BOLD_S "failed to restore initial state" BLACK_BOLD(" (%" PRIu64 " ms)"), tag, Chrono::steadyMSecs() - ts);
-    }
-}
-
-
-void xmrig::Rx::setupMainLoopExceptionFrame()
-{
-#   ifdef XMRIG_FIX_RYZEN
-    AddVectoredExceptionHandler(1, MainLoopHandler);
-#   endif
-}

src/donate.h

@@ -34,7 +34,7 @@
  * Example of how it works for the setting of 1%:
  * You miner will mine into your usual pool for random time (in range from 49.5 to 148.5 minutes),
  * then switch to the developer's pool for 1 minute, then switch again to your pool for 99 minutes
- * and then switch agaiin to developer's pool for 1 minute, these rounds will continue until miner working.
+ * and then switch again to developer's pool for 1 minute, these rounds will continue until miner working.
  *
  * Randomised only first round, to prevent waves on the donation pool.
  *

src/hw/api/HwApi.cpp

@@ -0,0 +1,45 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/api/HwApi.h"
+#include "base/api/interfaces/IApiRequest.h"
+#include "base/tools/String.h"
+
+
+#ifdef XMRIG_FEATURE_DMI
+#   include "hw/dmi/DmiReader.h"
+#endif
+
+
+void xmrig::HwApi::onRequest(IApiRequest &request)
+{
+    if (request.method() == IApiRequest::METHOD_GET) {
+#       ifdef XMRIG_FEATURE_DMI
+        if (request.url() == "/2/dmi") {
+            if (!m_dmi) {
+                m_dmi = std::make_shared<DmiReader>();
+                m_dmi->read();
+            }
+
+            request.accept();
+            m_dmi->toJSON(request.reply(), request.doc());
+        }
+#       endif
+    }
+}

src/hw/api/HwApi.h

@@ -0,0 +1,53 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_HWAPI_H
+#define XMRIG_HWAPI_H
+
+
+#include "base/api/interfaces/IApiListener.h"
+
+
+#include <memory>
+
+
+namespace xmrig {
+
+
+struct DmiReader;
+
+
+class HwApi : public IApiListener
+{
+public:
+    HwApi() = default;
+
+protected:
+    void onRequest(IApiRequest &request) override;
+
+private:
+#   ifdef XMRIG_FEATURE_DMI
+    std::shared_ptr<DmiReader> m_dmi;
+#   endif
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_HWAPI_H */

src/hw/api/api.cmake

@@ -0,0 +1,11 @@
+if (WITH_HTTP)
+    add_definitions(/DXMRIG_FEATURE_DMI)
+
+    list(APPEND HEADERS
+        src/hw/api/HwApi.h
+        )
+
+    list(APPEND SOURCES
+        src/hw/api/HwApi.cpp
+        )
+endif()

src/hw/dmi/DmiBoard.cpp

@@ -0,0 +1,50 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiBoard.h"
+#include "3rdparty/rapidjson/document.h"
+#include "hw/dmi/DmiTools.h"
+
+
+void xmrig::DmiBoard::decode(dmi_header *h)
+{
+    if (h->length < 0x08) {
+        return;
+    }
+
+    m_vendor  = dmi_string(h, 0x04);
+    m_product = dmi_string(h, 0x05);
+}
+
+
+#ifdef XMRIG_FEATURE_API
+rapidjson::Value xmrig::DmiBoard::toJSON(rapidjson::Document &doc) const
+{
+    using namespace rapidjson;
+
+    auto &allocator = doc.GetAllocator();
+    Value out(kObjectType);
+    out.AddMember("vendor",     m_vendor.toJSON(doc), allocator);
+    out.AddMember("product",    m_product.toJSON(doc), allocator);
+
+    return out;
+}
+#endif

src/hw/dmi/DmiBoard.h

@@ -0,0 +1,58 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_DMIBOARD_H
+#define XMRIG_DMIBOARD_H
+
+
+#include "base/tools/String.h"
+
+
+namespace xmrig {
+
+
+struct dmi_header;
+
+
+class DmiBoard
+{
+public:
+    DmiBoard() = default;
+
+    inline const String &product() const    { return m_product; }
+    inline const String &vendor() const     { return m_vendor; }
+    inline bool isValid() const             { return !m_product.isEmpty() && !m_vendor.isEmpty(); }
+
+    void decode(dmi_header *h);
+
+#   ifdef XMRIG_FEATURE_API
+    rapidjson::Value toJSON(rapidjson::Document &doc) const;
+#   endif
+
+private:
+    String m_product;
+    String m_vendor;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_DMIBOARD_H */

src/hw/dmi/DmiMemory.cpp

@@ -0,0 +1,219 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiMemory.h"
+#include "3rdparty/rapidjson/document.h"
+#include "hw/dmi/DmiTools.h"
+
+
+#include <algorithm>
+#include <array>
+
+
+namespace xmrig {
+
+
+static inline uint16_t dmi_memory_device_width(uint16_t code)
+{
+    return (code == 0xFFFF || code == 0) ? 0 : code;
+}
+
+
+static const char *dmi_memory_device_form_factor(uint8_t code)
+{
+    static const std::array<const char *, 0x10> form_factor
+    {
+        "Other",
+        "Unknown",
+        "SIMM",
+        "SIP",
+        "Chip",
+        "DIP",
+        "ZIP",
+        "Proprietary Card",
+        "DIMM",
+        "TSOP",
+        "Row Of Chips",
+        "RIMM",
+        "SODIMM",
+        "SRIMM",
+        "FB-DIMM",
+        "Die"
+    };
+
+    if (code >= 0x01 && code <= form_factor.size()) {
+        return form_factor[code - 0x01];
+    }
+
+    return form_factor[1];
+}
+
+
+static const char *dmi_memory_device_type(uint8_t code)
+{
+    static const std::array<const char *, 0x23> type
+    {
+        "Other", /* 0x01 */
+        "Unknown",
+        "DRAM",
+        "EDRAM",
+        "VRAM",
+        "SRAM",
+        "RAM",
+        "ROM",
+        "Flash",
+        "EEPROM",
+        "FEPROM",
+        "EPROM",
+        "CDRAM",
+        "3DRAM",
+        "SDRAM",
+        "SGRAM",
+        "RDRAM",
+        "DDR",
+        "DDR2",
+        "DDR2 FB-DIMM",
+        "Reserved",
+        "Reserved",
+        "Reserved",
+        "DDR3",
+        "FBD2",
+        "DDR4",
+        "LPDDR",
+        "LPDDR2",
+        "LPDDR3",
+        "LPDDR4",
+        "Logical non-volatile device",
+        "HBM",
+        "HBM2",
+        "DDR5",
+        "LPDDR5"
+    };
+
+    if (code >= 0x01 && code <= type.size()) {
+        return type[code - 0x01];
+    }
+
+    return type[1];
+}
+
+
+static uint64_t dmi_memory_device_speed(uint16_t code1, uint32_t code2)
+{
+    return (code1 == 0xFFFF) ? code2 : code1;
+}
+
+
+} // namespace xmrig
+
+
+
+xmrig::DmiMemory::DmiMemory(dmi_header *h)
+{
+    if (h->length < 0x15) {
+        return;
+    }
+
+    m_totalWidth = dmi_memory_device_width(dmi_get<uint16_t>(h, 0x08));
+    m_width      = dmi_memory_device_width(dmi_get<uint16_t>(h, 0x0A));
+
+    auto size = dmi_get<uint16_t>(h, 0x0C);
+    if (h->length >= 0x20 && size == 0x7FFF) {
+        m_size = (dmi_get<uint32_t>(h, 0x1C) & 0x7FFFFFFFUL) * 1024ULL * 1024ULL;
+    }
+    else if (size) {
+        m_size = (1024ULL * (size & 0x7FFF) * ((size & 0x8000) ? 1 : 1024ULL));
+    }
+
+    m_formFactor = h->data[0x0E];
+    m_slot       = dmi_string(h, 0x10);
+    m_bank       = dmi_string(h, 0x11);
+    m_type       = h->data[0x12];
+
+    if (!m_size || h->length < 0x17) {
+        return;
+    }
+
+    m_speed = dmi_memory_device_speed(dmi_get<uint16_t>(h, 0x15), h->length >= 0x5C ? dmi_get<uint32_t>(h, 0x54) : 0) * 1000000ULL;
+
+    if (h->length < 0x1B) {
+        return;
+    }
+
+    m_vendor  = dmi_string(h, 0x17);
+    m_product = dmi_string(h, 0x1A);
+
+    if (h->length < 0x1C) {
+        return;
+    }
+
+    m_rank = h->data[0x1B] & 0x0F;
+
+    if (h->length < 0x22) {
+        return;
+    }
+
+    const uint64_t configuredSpeed = dmi_memory_device_speed(dmi_get<uint16_t>(h, 0x20), h->length >= 0x5C ? dmi_get<uint32_t>(h, 0x58) : 0) * 1000000ULL;
+    m_speed = configuredSpeed ? configuredSpeed : m_speed;
+
+    if (h->length < 0x28) {
+        return;
+    }
+
+    m_voltage = dmi_get<uint16_t>(h, 0x26);
+}
+
+
+const char *xmrig::DmiMemory::formFactor() const
+{
+    return dmi_memory_device_form_factor(m_formFactor);
+}
+
+
+const char *xmrig::DmiMemory::type() const
+{
+    return dmi_memory_device_type(m_type);
+}
+
+
+#ifdef XMRIG_FEATURE_API
+rapidjson::Value xmrig::DmiMemory::toJSON(rapidjson::Document &doc) const
+{
+    using namespace rapidjson;
+
+    auto &allocator = doc.GetAllocator();
+    Value out(kObjectType);
+    out.AddMember("slot",           m_slot.toJSON(doc), allocator);
+    out.AddMember("type",           StringRef(type()), allocator);
+    out.AddMember("form_factor",    StringRef(formFactor()), allocator);
+    out.AddMember("size",           m_size, allocator);
+    out.AddMember("speed",          m_speed, allocator);
+    out.AddMember("rank",           m_rank, allocator);
+    out.AddMember("voltage",        m_voltage, allocator);
+    out.AddMember("width",          m_width, allocator);
+    out.AddMember("total_width",    m_totalWidth, allocator);
+    out.AddMember("vendor",         m_vendor.toJSON(doc), allocator);
+    out.AddMember("product",        m_product.toJSON(doc), allocator);
+    out.AddMember("bank",           m_bank.toJSON(doc), allocator);
+
+    return out;
+}
+#endif

src/hw/dmi/DmiMemory.h

@@ -0,0 +1,78 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_DMIMEMORY_H
+#define XMRIG_DMIMEMORY_H
+
+
+#include "base/tools/String.h"
+
+
+namespace xmrig {
+
+
+struct dmi_header;
+
+
+class DmiMemory
+{
+public:
+    DmiMemory() = default;
+    DmiMemory(dmi_header *h);
+
+    inline bool isValid() const             { return !m_slot.isEmpty(); }
+    inline const String &bank() const       { return m_bank; }
+    inline const String &product() const    { return m_product; }
+    inline const String &slot() const       { return m_slot; }
+    inline const String &vendor() const     { return m_vendor; }
+    inline uint16_t totalWidth() const      { return m_totalWidth; }
+    inline uint16_t voltage() const         { return m_voltage; }
+    inline uint16_t width() const           { return m_width; }
+    inline uint64_t size() const            { return m_size; }
+    inline uint64_t speed() const           { return m_speed; }
+    inline uint8_t rank() const             { return m_rank; }
+
+    const char *formFactor() const;
+    const char *type() const;
+
+#   ifdef XMRIG_FEATURE_API
+    rapidjson::Value toJSON(rapidjson::Document &doc) const;
+#   endif
+
+private:
+    String m_bank;
+    String m_product;
+    String m_slot;
+    String m_vendor;
+    uint16_t m_totalWidth   = 0;
+    uint16_t m_voltage      = 0;
+    uint16_t m_width        = 0;
+    uint64_t m_size         = 0;
+    uint64_t m_speed        = 0;
+    uint8_t m_formFactor    = 0;
+    uint8_t m_rank          = 0;
+    uint8_t m_type          = 0;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_DMIMEMORY_H */

src/hw/dmi/DmiReader.cpp

@@ -0,0 +1,139 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiReader.h"
+#include "3rdparty/fmt/core.h"
+#include "3rdparty/rapidjson/document.h"
+#include "hw/dmi/DmiTools.h"
+
+
+namespace xmrig {
+
+
+static void dmi_get_header(dmi_header *h, uint8_t *data)
+{
+    h->type   = data[0];
+    h->length = data[1];
+    h->handle = dmi_get<uint16_t>(data + 2);
+    h->data   = data;
+}
+
+
+} // namespace xmrig
+
+
+#ifdef XMRIG_FEATURE_API
+rapidjson::Value xmrig::DmiReader::toJSON(rapidjson::Document &doc) const
+{
+    rapidjson::Value obj;
+    toJSON(obj, doc);
+
+    return obj;
+}
+
+
+void xmrig::DmiReader::toJSON(rapidjson::Value &out, rapidjson::Document &doc) const
+{
+    using namespace rapidjson;
+
+    auto &allocator = doc.GetAllocator();
+    out.SetObject();
+
+    Value memory(kArrayType);
+    memory.Reserve(m_memory.size(), allocator);
+
+    for (const auto &value : m_memory) {
+        memory.PushBack(value.toJSON(doc), allocator);
+    }
+
+    out.AddMember("smbios",     Value(fmt::format("{}.{}.{}", m_version >> 16, m_version >> 8 & 0xff, m_version & 0xff).c_str(), allocator), allocator);
+    out.AddMember("system",     m_system.toJSON(doc), allocator);
+    out.AddMember("board",      m_board.toJSON(doc), allocator);
+    out.AddMember("memory",     memory, allocator);
+}
+#endif
+
+
+bool xmrig::DmiReader::decode(uint8_t *buf, const Cleanup &cleanup)
+{
+    const bool rc = decode(buf);
+
+    cleanup();
+
+    return rc;
+}
+
+
+bool xmrig::DmiReader::decode(uint8_t *buf)
+{
+    if (!buf) {
+        return false;
+    }
+
+    uint8_t *data = buf;
+    int i         = 0;
+
+    while (data + 4 <= buf + m_size) {
+        dmi_header h{};
+        dmi_get_header(&h, data);
+
+        if (h.length < 4 || h.type == 127) {
+            break;
+        }
+        i++;
+
+        uint8_t *next = data + h.length;
+        while (static_cast<uint32_t>(next - buf + 1) < m_size && (next[0] != 0 || next[1] != 0)) {
+            next++;
+        }
+
+#       ifdef XMRIG_OS_APPLE
+        while ((unsigned long)(next - buf + 1) < m_size && (next[0] == 0 && next[1] == 0))
+#       endif
+        next += 2;
+
+        if (static_cast<uint32_t>(next - buf) > m_size) {
+            data = next;
+            break;
+        }
+
+        switch (h.type) {
+        case 1:
+            m_system.decode(&h);
+            break;
+
+        case 2:
+            m_board.decode(&h);
+            break;
+
+        case 17:
+            m_memory.emplace_back(&h);
+            break;
+
+        default:
+            break;
+        }
+
+        data = next;
+    }
+
+    return true;
+}

src/hw/dmi/DmiReader.h

@@ -0,0 +1,70 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_DMIREADER_H
+#define XMRIG_DMIREADER_H
+
+
+#include "hw/dmi/DmiBoard.h"
+#include "hw/dmi/DmiMemory.h"
+
+
+#include <functional>
+
+
+namespace xmrig {
+
+
+class DmiReader
+{
+public:
+    DmiReader() = default;
+
+    inline const DmiBoard &board() const                { return m_board; }
+    inline const DmiBoard &system() const               { return m_system; }
+    inline const std::vector<DmiMemory> &memory() const { return m_memory; }
+    inline uint32_t size() const                        { return m_size; }
+    inline uint32_t version() const                     { return m_version; }
+
+    bool read();
+
+#   ifdef XMRIG_FEATURE_API
+    rapidjson::Value toJSON(rapidjson::Document &doc) const;
+    void toJSON(rapidjson::Value &out, rapidjson::Document &doc) const;
+#   endif
+
+private:
+    using Cleanup = std::function<void()>;
+
+    bool decode(uint8_t *buf, const Cleanup &cleanup);
+    bool decode(uint8_t *buf);
+
+    DmiBoard m_board;
+    DmiBoard m_system;
+    std::vector<DmiMemory> m_memory;
+    uint32_t m_size     = 0;
+    uint32_t m_version  = 0;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_DMIREADER_H */

src/hw/dmi/DmiReader_mac.cpp

@@ -0,0 +1,108 @@
+/* XMRig
+ * Copyright (c) 2002-2006 Hugo Weber  <address@hidden>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiReader.h"
+#include "hw/dmi/DmiTools.h"
+
+
+#include <Carbon/Carbon.h>
+
+
+namespace xmrig {
+
+
+static int checksum(const uint8_t *buf, size_t len)
+{
+    uint8_t sum = 0;
+
+    for (size_t a = 0; a < len; a++) {
+        sum += buf[a];
+    }
+
+    return (sum == 0);
+}
+
+
+static uint8_t *dmi_table(uint32_t base, uint32_t &len, io_service_t service)
+{
+    CFMutableDictionaryRef properties = nullptr;
+    if (IORegistryEntryCreateCFProperties(service, &properties, kCFAllocatorDefault, kNilOptions) != kIOReturnSuccess) {
+        return nullptr;
+    }
+
+    CFDataRef data;
+    uint8_t *buf = nullptr;
+
+    if (CFDictionaryGetValueIfPresent(properties, CFSTR("SMBIOS"), (const void **)&data)) {
+        assert(len == CFDataGetLength(data));
+
+        len = CFDataGetLength(data);
+        buf = reinterpret_cast<uint8_t *>(malloc(len));
+
+        CFDataGetBytes(data, CFRangeMake(0, len), buf);
+    }
+
+    CFRelease(properties);
+
+    return buf;
+}
+
+
+static uint8_t *smbios_decode(uint8_t *buf, uint32_t &size, uint32_t &version, io_service_t service)
+{
+    if (buf[0x05] > 0x20 || !checksum(buf, buf[0x05]) || memcmp(buf + 0x10, "_DMI_", 5) != 0 || !checksum(buf + 0x10, 0x0F))  {
+        return nullptr;
+    }
+
+    version = ((buf[0x06] << 8) + buf[0x07]) << 8;
+    size    = dmi_get<uint16_t>(buf + 0x16);
+
+    return dmi_table(dmi_get<uint32_t>(buf + 0x18), size, service);
+}
+
+} // namespace xmrig
+
+
+bool xmrig::DmiReader::read()
+{
+    mach_port_t port;
+    IOMasterPort(MACH_PORT_NULL, &port);
+
+    io_service_t service = IOServiceGetMatchingService(port, IOServiceMatching("AppleSMBIOS"));
+    if (service == MACH_PORT_NULL) {
+        return false;
+    }
+
+    CFDataRef data = reinterpret_cast<CFDataRef>(IORegistryEntryCreateCFProperty(service, CFSTR("SMBIOS-EPS"), kCFAllocatorDefault, kNilOptions));
+    if (!data) {
+        return false;
+    }
+
+    uint8_t buf[0x20]{};
+    CFDataGetBytes(data, CFRangeMake(0, sizeof(buf)), buf);
+    CFRelease(data);
+
+    auto smb      = smbios_decode(buf, m_size, m_version, service);
+    const bool rc = smb ? decode(smb) : false;
+
+    IOObjectRelease(service);
+
+    return rc;
+}

src/hw/dmi/DmiReader_unix.cpp

@@ -0,0 +1,415 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiReader.h"
+#include "hw/dmi/DmiTools.h"
+
+
+#include <cerrno>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstdio>
+
+#ifdef __FreeBSD__
+#   include <kenv.h>
+#endif
+
+
+#define FLAG_NO_FILE_OFFSET     (1 << 0)
+
+
+namespace xmrig {
+
+
+static const char *kMemDevice       = "/dev/mem";
+static const char *kSysEntryFile    = "/sys/firmware/dmi/tables/smbios_entry_point";
+static const char *kSysTableFile    = "/sys/firmware/dmi/tables/DMI";
+
+
+static inline void safe_memcpy(void *dest, const void *src, size_t n)
+{
+#   ifdef XMRIG_ARM
+    for (size_t i = 0; i < n; i++) {
+        *((uint8_t *)dest + i) = *((const uint8_t *)src + i);
+    }
+#   else
+    memcpy(dest, src, n);
+#   endif
+}
+
+
+
+static int myread(int fd, uint8_t *buf, size_t count, const char *prefix)
+{
+    ssize_t r = 1;
+    size_t r2 = 0;
+
+    while (r2 != count && r != 0) {
+        r = read(fd, buf + r2, count - r2);
+        if (r == -1) {
+            if (errno != EINTR) {
+                return -1;
+            }
+        }
+        else {
+            r2 += r;
+        }
+    }
+
+    if (r2 != count) {
+        return -1;
+    }
+
+    return 0;
+}
+
+
+/*
+ * Reads all of file from given offset, up to max_len bytes.
+ * A buffer of at most max_len bytes is allocated by this function, and
+ * needs to be freed by the caller.
+ * This provides a similar usage model to mem_chunk()
+ *
+ * Returns a pointer to the allocated buffer, or NULL on error, and
+ * sets max_len to the length actually read.
+ */
+static uint8_t *read_file(off_t base, size_t *max_len, const char *filename)
+{
+    const int fd = open(filename, O_RDONLY);
+    uint8_t *p   = nullptr;
+
+    if (fd == -1) {
+        return nullptr;
+    }
+
+    struct stat statbuf{};
+    if (fstat(fd, &statbuf) == 0) {
+        if (base >= statbuf.st_size) {
+            goto out;
+        }
+
+        if (*max_len > static_cast<size_t>(statbuf.st_size) - base) {
+            *max_len = statbuf.st_size - base;
+        }
+    }
+
+    if ((p = reinterpret_cast<uint8_t *>(malloc(*max_len))) == nullptr) {
+        goto out;
+    }
+
+    if (lseek(fd, base, SEEK_SET) == -1) {
+        goto err_free;
+    }
+
+    if (myread(fd, p, *max_len, filename) == 0) {
+        goto out;
+    }
+
+err_free:
+    free(p);
+    p = nullptr;
+
+out:
+    close(fd);
+
+    return p;
+}
+
+
+/*
+ * Copy a physical memory chunk into a memory buffer.
+ * This function allocates memory.
+ */
+static uint8_t *mem_chunk(off_t base, size_t len, const char *devmem)
+{
+    const int fd = open(devmem, O_RDONLY);
+    uint8_t *p   = nullptr;
+    uint8_t *mmp = nullptr;
+    struct stat statbuf{};
+
+#   ifdef _SC_PAGESIZE
+    const off_t mmoffset = base % sysconf(_SC_PAGESIZE);
+#   else
+    const off_t mmoffset = base % getpagesize();
+#   endif
+
+    if (fd == -1) {
+        return nullptr;
+    }
+
+    if ((p = reinterpret_cast<uint8_t *>(malloc(len))) == nullptr) {
+        goto out;
+    }
+
+    if (fstat(fd, &statbuf) == -1) {
+        goto err_free;
+    }
+
+    if (S_ISREG(statbuf.st_mode) && base + (off_t)len > statbuf.st_size) {
+        goto err_free;
+    }
+
+    mmp = reinterpret_cast<uint8_t *>(mmap(nullptr, mmoffset + len, PROT_READ, MAP_SHARED, fd, base - mmoffset));
+    if (mmp == MAP_FAILED) {
+        goto try_read;
+    }
+
+    safe_memcpy(p, mmp + mmoffset, len);
+    munmap(mmp, mmoffset + len);
+
+    goto out;
+
+try_read:
+    if (lseek(fd, base, SEEK_SET) == -1) {
+        goto err_free;
+    }
+
+    if (myread(fd, p, len, devmem) == 0) {
+        goto out;
+    }
+
+err_free:
+    free(p);
+    p = nullptr;
+
+out:
+    close(fd);
+
+    return p;
+}
+
+
+static int checksum(const uint8_t *buf, size_t len)
+{
+    uint8_t sum = 0;
+
+    for (size_t a = 0; a < len; a++) {
+        sum += buf[a];
+    }
+
+    return (sum == 0);
+}
+
+
+static uint8_t *dmi_table(off_t base, uint32_t &len, const char *devmem, uint32_t flags)
+{
+    if (flags & FLAG_NO_FILE_OFFSET) {
+        size_t size = len;
+        auto buf    = read_file(0, &size, devmem);
+        len         = size;
+
+        return buf;
+    }
+
+    return mem_chunk(base, len, devmem);
+}
+
+
+static uint8_t *smbios3_decode(uint8_t *buf, const char *devmem, uint32_t &size, uint32_t &version, uint32_t flags)
+{
+    if (buf[0x06] > 0x20 || !checksum(buf, buf[0x06])) {
+        return nullptr;
+    }
+
+    version          = (buf[0x07] << 16) + (buf[0x08] << 8) + buf[0x09];
+    size             = dmi_get<uint32_t>(buf + 0x0C);
+    const u64 offset = dmi_get<u64>(buf + 0x10);
+
+    return dmi_table(((off_t)offset.h << 32) | offset.l, size, devmem, flags);
+}
+
+
+static uint8_t *smbios_decode(uint8_t *buf, const char *devmem, uint32_t &size, uint32_t &version, uint32_t flags)
+{
+    if (buf[0x05] > 0x20 || !checksum(buf, buf[0x05]) || memcmp(buf + 0x10, "_DMI_", 5) != 0 || !checksum(buf + 0x10, 0x0F))  {
+        return nullptr;
+    }
+
+    version = (buf[0x06] << 8) + buf[0x07];
+
+    switch (version) {
+    case 0x021F:
+    case 0x0221:
+        version = 0x0203;
+        break;
+
+    case 0x0233:
+        version = 0x0206;
+        break;
+    }
+
+    version = version << 8;
+    size    = dmi_get<uint16_t>(buf + 0x16);
+
+    return dmi_table(dmi_get<uint32_t>(buf + 0x18), size, devmem, flags);
+}
+
+
+static uint8_t *legacy_decode(uint8_t *buf, const char *devmem, uint32_t &size, uint32_t &version, uint32_t flags)
+{
+    if (!checksum(buf, 0x0F)) {
+        return nullptr;
+    }
+
+    version = ((buf[0x0E] & 0xF0) << 12) + ((buf[0x0E] & 0x0F) << 8);
+    size    = dmi_get<uint16_t>(buf + 0x06);
+
+    return dmi_table(dmi_get<uint32_t>(buf + 0x08), size, devmem, flags);
+}
+
+
+#define EFI_NOT_FOUND   (-1)
+#define EFI_NO_SMBIOS   (-2)
+static off_t address_from_efi()
+{
+#   if defined(__linux__)
+    FILE *efi_systab;
+    const char *filename;
+    char linebuf[64];
+    off_t address = 0;
+#   elif defined(__FreeBSD__)
+    char addrstr[KENV_MVALLEN + 1];
+#   endif
+
+#   if defined(__linux__)
+    if ((efi_systab = fopen(filename = "/sys/firmware/efi/systab", "r")) == nullptr && (efi_systab = fopen(filename = "/proc/efi/systab", "r")) == nullptr) {
+        return EFI_NOT_FOUND;
+    }
+
+    address = EFI_NO_SMBIOS;
+    while ((fgets(linebuf, sizeof(linebuf) - 1, efi_systab)) != nullptr) {
+        char *addrp = strchr(linebuf, '=');
+        *(addrp++) = '\0';
+        if (strcmp(linebuf, "SMBIOS3") == 0 || strcmp(linebuf, "SMBIOS") == 0) {
+            address = strtoull(addrp, nullptr, 0);
+            break;
+        }
+    }
+
+    fclose(efi_systab);
+
+    return address;
+#   elif defined(__FreeBSD__)
+    if (kenv(KENV_GET, "hint.smbios.0.mem", addrstr, sizeof(addrstr)) == -1) {
+        return EFI_NOT_FOUND;
+    }
+
+    return strtoull(addrstr, nullptr, 0);
+#   endif
+
+    return EFI_NOT_FOUND;
+}
+
+
+} // namespace xmrig
+
+
+bool xmrig::DmiReader::read()
+{
+    size_t size  = 0x20;
+    uint8_t *buf = read_file(0, &size, kSysEntryFile);
+    uint8_t *smb = nullptr;
+
+    if (buf) {
+        smb = nullptr;
+
+        if (size >= 24 && memcmp(buf, "_SM3_", 5) == 0) {
+            smb = smbios3_decode(buf, kSysTableFile, m_size, m_version, FLAG_NO_FILE_OFFSET);
+        }
+        else if (size >= 31 && memcmp(buf, "_SM_", 4) == 0) {
+            smb = smbios_decode(buf, kSysTableFile, m_size, m_version, FLAG_NO_FILE_OFFSET);
+        }
+        else if (size >= 15 && memcmp(buf, "_DMI_", 5) == 0) {
+            smb = legacy_decode(buf, kSysTableFile, m_size, m_version, FLAG_NO_FILE_OFFSET);
+        }
+
+        if (smb) {
+            return decode(smb, [smb, buf]() { free(smb); free(buf); });
+        }
+
+        free(buf);
+    }
+
+    const auto efi = address_from_efi();
+    if (efi == EFI_NO_SMBIOS) {
+        return false;
+    }
+
+    if (efi != EFI_NOT_FOUND) {
+        if ((buf = mem_chunk(efi, 0x20, kMemDevice)) == nullptr) {
+            return false;
+        }
+
+        smb = nullptr;
+
+        if (memcmp(buf, "_SM3_", 5) == 0) {
+            smb = smbios3_decode(buf, kMemDevice, m_size, m_version, 0);
+        }
+        else if (memcmp(buf, "_SM_", 4) == 0) {
+            smb = smbios_decode(buf, kSysTableFile, m_size, m_version, 0);
+        }
+
+        if (smb) {
+            return decode(smb, [smb, buf]() { free(smb); free(buf); });
+        }
+
+        free(buf);
+    }
+
+#   if defined(__x86_64__) || defined(_M_AMD64)
+    if ((buf = mem_chunk(0xF0000, 0x10000, kMemDevice)) == nullptr) {
+        return false;
+    }
+
+    smb = nullptr;
+
+    for (off_t fp = 0; fp <= 0xFFE0; fp += 16) {
+        if (memcmp(buf + fp, "_SM3_", 5) == 0) {
+            smb = smbios3_decode(buf + fp, kMemDevice, m_size, m_version, 0);
+        }
+
+        if (smb) {
+            return decode(smb, [smb, buf]() { free(smb); free(buf); });
+        }
+    }
+
+    for (off_t fp = 0; fp <= 0xFFF0; fp += 16) {
+        if (memcmp(buf + fp, "_SM_", 4) == 0 && fp <= 0xFFE0) {
+            smb = smbios3_decode(buf + fp, kMemDevice, m_size, m_version, 0);
+        }
+        else if (!smb && memcmp(buf + fp, "_DMI_", 5) == 0) {
+            smb = legacy_decode(buf + fp, kMemDevice, m_size, m_version, 0);
+        }
+
+        if (smb) {
+            return decode(smb, [smb, buf]() { free(smb); free(buf); });
+        }
+    }
+
+    free(buf);
+#   endif
+
+
+    return false;
+}

src/hw/dmi/DmiReader_win.cpp

@@ -0,0 +1,68 @@
+/* XMRig
+ * Copyright (c) 2002-2006 Hugo Weber  <address@hidden>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiReader.h"
+#include "hw/dmi/DmiTools.h"
+
+
+#include <windows.h>
+
+
+namespace xmrig {
+
+
+/*
+ * Struct needed to get the SMBIOS table using GetSystemFirmwareTable API.
+ */
+struct RawSMBIOSData {
+    uint8_t	Used20CallingMethod;
+    uint8_t	SMBIOSMajorVersion;
+    uint8_t	SMBIOSMinorVersion;
+    uint8_t	DmiRevision;
+    uint32_t Length;
+    uint8_t	SMBIOSTableData[];
+};
+
+
+} // namespace xmrig
+
+
+bool xmrig::DmiReader::read()
+{
+    const uint32_t size = GetSystemFirmwareTable('RSMB', 0, nullptr, 0);
+    auto smb            = reinterpret_cast<RawSMBIOSData *>(HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size));
+
+    if (!smb) {
+        return false;
+    }
+
+    if (GetSystemFirmwareTable('RSMB', 0, smb, size) != size) {
+        HeapFree(GetProcessHeap(), 0, smb);
+
+        return false;
+    }
+
+    m_version = (smb->SMBIOSMajorVersion << 16) + (smb->SMBIOSMinorVersion << 8) + smb->DmiRevision;
+    m_size    = smb->Length;
+
+    return decode(smb->SMBIOSTableData, [smb]() {
+        HeapFree(GetProcessHeap(), 0, smb);
+    });
+}

src/hw/dmi/DmiTools.cpp

@@ -0,0 +1,75 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiTools.h"
+
+
+#include <cstring>
+
+
+namespace xmrig {
+
+
+/* Replace non-ASCII characters with dots */
+static void ascii_filter(char *bp, size_t len)
+{
+    for (size_t i = 0; i < len; i++) {
+        if (bp[i] < 32 || bp[i] >= 127) {
+            bp[i] = '.';
+        }
+    }
+}
+
+
+static char *_dmi_string(dmi_header *dm, uint8_t s, bool filter)
+{
+    char *bp = reinterpret_cast<char *>(dm->data);
+
+    bp += dm->length;
+    while (s > 1 && *bp)  {
+        bp += strlen(bp);
+        bp++;
+        s--;
+    }
+
+    if (!*bp) {
+        return nullptr;
+    }
+
+    if (filter) {
+        ascii_filter(bp, strlen(bp));
+    }
+
+    return bp;
+}
+
+
+const char *dmi_string(dmi_header *dm, size_t offset)
+{
+    if (offset < 4) {
+        return nullptr;
+    }
+
+    return _dmi_string(dm, dm->data[offset], true);
+}
+
+
+} // namespace xmrig

src/hw/dmi/DmiTools.h

@@ -0,0 +1,60 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_DMITOOLS_H
+#define XMRIG_DMITOOLS_H
+
+
+#include <cstddef>
+#include <cstdint>
+
+
+namespace xmrig {
+
+
+struct dmi_header
+{
+    uint8_t type;
+    uint8_t length;
+    uint16_t handle;
+    uint8_t *data;
+};
+
+
+struct u64 {
+    uint32_t l;
+    uint32_t h;
+};
+
+
+template<typename T>
+inline T dmi_get(const uint8_t *data)                   { return *reinterpret_cast<const T *>(data); }
+
+template<typename T>
+inline T dmi_get(const dmi_header *h, size_t offset)    { return *reinterpret_cast<const T *>(h->data + offset); }
+
+
+const char *dmi_string(dmi_header *dm, size_t offset);
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_DMITOOLS_H */

src/hw/dmi/dmi.cmake

@@ -0,0 +1,35 @@
+if (WITH_DMI AND (XMRIG_OS_WIN OR XMRIG_OS_LINUX OR XMRIG_OS_FREEBSD OR (XMRIG_OS_MACOS AND NOT XMRIG_ARM)))
+    set(WITH_DMI ON)
+else()
+    set(WITH_DMI OFF)
+endif()
+
+if (WITH_DMI)
+    add_definitions(/DXMRIG_FEATURE_DMI)
+
+    list(APPEND HEADERS
+        src/hw/dmi/DmiBoard.h
+        src/hw/dmi/DmiMemory.h
+        src/hw/dmi/DmiReader.h
+        src/hw/dmi/DmiTools.h
+        )
+
+    list(APPEND SOURCES
+        src/hw/dmi/DmiBoard.cpp
+        src/hw/dmi/DmiMemory.cpp
+        src/hw/dmi/DmiReader.cpp
+        src/hw/dmi/DmiTools.cpp
+        )
+
+    if (XMRIG_OS_WIN)
+        list(APPEND SOURCES src/hw/dmi/DmiReader_win.cpp)
+    elseif(XMRIG_OS_LINUX OR XMRIG_OS_FREEBSD)
+        list(APPEND SOURCES src/hw/dmi/DmiReader_unix.cpp)
+    elseif(XMRIG_OS_MACOS)
+        list(APPEND SOURCES src/hw/dmi/DmiReader_mac.cpp)
+        find_library(CORESERVICES_LIBRARY CoreServices)
+        list(APPEND EXTRA_LIBS ${CORESERVICES_LIBRARY})
+    endif()
+else()
+    remove_definitions(/DXMRIG_FEATURE_DMI)
+endif()

src/hw/msr/Msr.cpp

@@ -0,0 +1,88 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/msr/Msr.h"
+#include "base/io/log/Log.h"
+
+
+namespace xmrig {
+
+
+static const char *kTag = YELLOW_BG_BOLD(WHITE_BOLD_S " msr     ");
+static std::weak_ptr<Msr> instance;
+
+
+} // namespace xmrig
+
+
+
+const char *xmrig::Msr::tag()
+{
+    return kTag;
+}
+
+
+
+std::shared_ptr<xmrig::Msr> xmrig::Msr::get()
+{
+    auto msr = instance.lock();
+    if (!msr) {
+        msr      = std::make_shared<Msr>();
+        instance = msr;
+    }
+
+    if (msr->isAvailable()) {
+        return msr;
+    }
+
+    return {};
+}
+
+
+bool xmrig::Msr::write(uint32_t reg, uint64_t value, int32_t cpu, uint64_t mask, bool verbose)
+{
+    if (mask != MsrItem::kNoMask) {
+        uint64_t old_value;
+        if (rdmsr(reg, cpu, old_value)) {
+            value = MsrItem::maskedValue(old_value, value, mask);
+        }
+    }
+
+    const bool result = wrmsr(reg, value, cpu);
+    if (!result && verbose) {
+        LOG_WARN("%s " YELLOW_BOLD("cannot set MSR 0x%08" PRIx32 " to 0x%016" PRIx64), tag(), reg, value);
+    }
+
+    return result;
+}
+
+
+xmrig::MsrItem xmrig::Msr::read(uint32_t reg, int32_t cpu, bool verbose) const
+{
+    uint64_t value = 0;
+    if (rdmsr(reg, cpu, value)) {
+        return { reg, value };
+    }
+
+    if (verbose) {
+        LOG_WARN("%s " YELLOW_BOLD("cannot read MSR 0x%08" PRIx32), tag(), reg);
+    }
+
+    return {};
+}

src/hw/msr/Msr.h

@@ -0,0 +1,69 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_MSR_H
+#define XMRIG_MSR_H
+
+
+#include "base/tools/Object.h"
+#include "hw/msr/MsrItem.h"
+
+
+#include <functional>
+#include <memory>
+
+
+namespace xmrig
+{
+
+
+class MsrPrivate;
+
+
+class Msr
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE(Msr)
+
+    using Callback = std::function<bool(int32_t cpu)>;
+
+    Msr();
+    ~Msr();
+
+    static const char *tag();
+    static std::shared_ptr<Msr> get();
+
+    inline bool write(const MsrItem &item, int32_t cpu = -1, bool verbose = true)   { return write(item.reg(), item.value(), cpu, item.mask(), verbose); }
+
+    bool isAvailable() const;
+    bool write(uint32_t reg, uint64_t value, int32_t cpu = -1, uint64_t mask = MsrItem::kNoMask, bool verbose = true);
+    bool write(Callback &&callback);
+    MsrItem read(uint32_t reg, int32_t cpu = -1, bool verbose = true) const;
+
+private:
+    bool rdmsr(uint32_t reg, int32_t cpu, uint64_t &value) const;
+    bool wrmsr(uint32_t reg, uint64_t value, int32_t cpu);
+
+    MsrPrivate *d_ptr = nullptr;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_MSR_H */

src/hw/msr/MsrItem.cpp

@@ -1,14 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -25,7 +17,7 @@
  */
 
 
-#include "crypto/rx/msr/MsrItem.h"
+#include "hw/msr/MsrItem.h"
 #include "3rdparty/rapidjson/document.h"
 
 

src/hw/msr/MsrItem.h

@@ -1,14 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -39,9 +31,6 @@ namespace xmrig
 {
 
 
-class RxDataset;
-
-
 class MsrItem
 {
 public:
@@ -57,6 +46,11 @@ public:
     inline uint64_t value() const   { return m_value; }
     inline uint64_t mask() const    { return m_mask; }
 
+    static inline uint64_t maskedValue(uint64_t old_value, uint64_t new_value, uint64_t mask)
+    {
+        return (new_value & mask) | (old_value & ~mask);
+    }
+
     rapidjson::Value toJSON(rapidjson::Document &doc) const;
     String toString() const;
 

src/hw/msr/Msr_linux.cpp

@@ -0,0 +1,122 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/msr/Msr.h"
+#include "3rdparty/fmt/core.h"
+#include "backend/cpu/Cpu.h"
+#include "base/io/log/Log.h"
+
+
+#include <array>
+#include <cctype>
+#include <cinttypes>
+#include <cstdio>
+#include <dirent.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+
+namespace xmrig {
+
+
+static int msr_open(int32_t cpu, int flags)
+{
+    const auto name = fmt::format("/dev/cpu/{}/msr", cpu < 0 ? Cpu::info()->units().front() : cpu);
+
+    return open(name.c_str(), flags);
+}
+
+
+class MsrPrivate
+{
+public:
+    bool available = true;
+};
+
+
+} // namespace xmrig
+
+
+xmrig::Msr::Msr() : d_ptr(new MsrPrivate())
+{
+    if (system("/sbin/modprobe msr allow_writes=on > /dev/null 2>&1") != 0) {
+        LOG_WARN("%s " YELLOW_BOLD("msr kernel module is not available"), Msr::tag());
+
+        d_ptr->available = false;
+    }
+}
+
+
+xmrig::Msr::~Msr()
+{
+    delete d_ptr;
+}
+
+
+bool xmrig::Msr::isAvailable() const
+{
+    return d_ptr->available;
+}
+
+
+bool xmrig::Msr::write(Callback &&callback)
+{
+    const auto &units = Cpu::info()->units();
+
+    for (int32_t pu : units) {
+        if (!callback(pu)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+
+bool xmrig::Msr::rdmsr(uint32_t reg, int32_t cpu, uint64_t &value) const
+{
+    const int fd = msr_open(cpu, O_RDONLY);
+
+    if (fd < 0) {
+        return false;
+    }
+
+    const bool success = pread(fd, &value, sizeof value, reg) == sizeof value;
+    close(fd);
+
+    return success;
+}
+
+
+bool xmrig::Msr::wrmsr(uint32_t reg, uint64_t value, int32_t cpu)
+{
+    const int fd = msr_open(cpu, O_WRONLY);
+
+    if (fd < 0) {
+        return false;
+    }
+
+    const bool success = pwrite(fd, &value, sizeof value, reg) == sizeof value;
+
+    close(fd);
+
+    return success;
+}

src/hw/msr/Msr_win.cpp

@@ -0,0 +1,255 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/msr/Msr.h"
+#include "backend/cpu/Cpu.h"
+#include "base/io/log/Log.h"
+#include "base/kernel/Platform.h"
+
+
+#include <string>
+#include <thread>
+#include <vector>
+#include <windows.h>
+
+
+#define SERVICE_NAME    L"WinRing0_1_2_0"
+#define IOCTL_READ_MSR  CTL_CODE(40000, 0x821, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_WRITE_MSR CTL_CODE(40000, 0x822, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+
+namespace xmrig {
+
+
+static const wchar_t *kServiceName = SERVICE_NAME;
+
+
+class MsrPrivate
+{
+public:
+    bool uninstall()
+    {
+        if (driver != INVALID_HANDLE_VALUE) {
+            CloseHandle(driver);
+        }
+
+        if (!service) {
+            return true;
+        }
+
+        bool result = true;
+
+        if (!reuse) {
+            SERVICE_STATUS serviceStatus;
+
+            if (!ControlService(service, SERVICE_CONTROL_STOP, &serviceStatus)) {
+                result = false;
+            }
+
+            if (!DeleteService(service)) {
+                LOG_ERR("%s " RED("failed to remove WinRing0 driver, error %u"), Msr::tag(), GetLastError());
+                result = false;
+            }
+        }
+
+        CloseServiceHandle(service);
+        service = nullptr;
+
+        return result;
+    }
+
+
+    bool reuse          = false;
+    HANDLE driver       = INVALID_HANDLE_VALUE;
+    SC_HANDLE manager   = nullptr;
+    SC_HANDLE service   = nullptr;
+};
+
+
+} // namespace xmrig
+
+
+xmrig::Msr::Msr() : d_ptr(new MsrPrivate())
+{
+    DWORD err = 0;
+
+    d_ptr->manager = OpenSCManager(nullptr, nullptr, SC_MANAGER_ALL_ACCESS);
+    if (!d_ptr->manager) {
+        if ((err = GetLastError()) == ERROR_ACCESS_DENIED) {
+            LOG_WARN("%s " YELLOW_BOLD("to access MSR registers Administrator privileges required."), tag());
+        }
+        else {
+            LOG_ERR("%s " RED("failed to open service control manager, error %u"), tag(), err);
+        }
+
+        return;
+    }
+
+    std::vector<wchar_t> dir;
+
+    do {
+        dir.resize(dir.empty() ? MAX_PATH : dir.size() * 2);
+        GetModuleFileNameW(nullptr, dir.data(), dir.size());
+        err = GetLastError();
+    } while (err == ERROR_INSUFFICIENT_BUFFER);
+
+    if (err != ERROR_SUCCESS) {
+        LOG_ERR("%s " RED("failed to get path to driver, error %u"), tag(), err);
+        return;
+    }
+
+    for (auto it = dir.end() - 1; it != dir.begin(); --it) {
+        if ((*it == L'\\') || (*it == L'/')) {
+            ++it;
+            *it = L'\0';
+            break;
+        }
+    }
+
+    const std::wstring path = std::wstring(dir.data()) + L"WinRing0x64.sys";
+
+    d_ptr->service = OpenServiceW(d_ptr->manager, kServiceName, SERVICE_ALL_ACCESS);
+    if (d_ptr->service) {
+        LOG_WARN("%s " YELLOW("service ") YELLOW_BOLD("WinRing0_1_2_0") YELLOW(" already exists"), tag());
+
+        SERVICE_STATUS status;
+        const auto rc = QueryServiceStatus(d_ptr->service, &status);
+
+        if (rc) {
+            DWORD dwBytesNeeded = 0;
+
+            QueryServiceConfigA(d_ptr->service, nullptr, 0, &dwBytesNeeded);
+            if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
+                std::vector<BYTE> buffer(dwBytesNeeded);
+                auto config = reinterpret_cast<LPQUERY_SERVICE_CONFIGA>(buffer.data());
+
+                if (QueryServiceConfigA(d_ptr->service, config, buffer.size(), &dwBytesNeeded)) {
+                    LOG_INFO("%s " YELLOW("service path: ") YELLOW_BOLD("\"%s\""), tag(), config->lpBinaryPathName);
+                }
+            }
+        }
+
+        if (rc && status.dwCurrentState == SERVICE_RUNNING) {
+            d_ptr->reuse = true;
+        }
+        else if (!d_ptr->uninstall()) {
+            return;
+        }
+    }
+
+    if (!d_ptr->reuse) {
+        d_ptr->service = CreateServiceW(d_ptr->manager, kServiceName, kServiceName, SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, path.c_str(), nullptr, nullptr, nullptr, nullptr, nullptr);
+        if (!d_ptr->service) {
+            LOG_ERR("%s " RED("failed to install WinRing0 driver, error %u"), tag(), GetLastError());
+
+            return;
+        }
+
+        if (!StartService(d_ptr->service, 0, nullptr)) {
+            err = GetLastError();
+            if (err != ERROR_SERVICE_ALREADY_RUNNING) {
+                if (err == ERROR_FILE_NOT_FOUND) {
+                    LOG_ERR("%s " RED("failed to start WinRing0 driver: ") RED_BOLD("\"WinRing0x64.sys not found\""), tag());
+                }
+                else {
+                    LOG_ERR("%s " RED("failed to start WinRing0 driver, error %u"), tag(), err);
+                }
+
+                d_ptr->uninstall();
+
+                return;
+            }
+        }
+    }
+
+    d_ptr->driver = CreateFileW(L"\\\\.\\" SERVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+    if (d_ptr->driver == INVALID_HANDLE_VALUE) {
+        LOG_ERR("%s " RED("failed to connect to WinRing0 driver, error %u"), tag(), GetLastError());;
+    }
+}
+
+
+xmrig::Msr::~Msr()
+{
+    d_ptr->uninstall();
+
+    delete d_ptr;
+}
+
+
+bool xmrig::Msr::isAvailable() const
+{
+    return d_ptr->driver != INVALID_HANDLE_VALUE;
+}
+
+
+bool xmrig::Msr::write(Callback &&callback)
+{
+    const auto &units = Cpu::info()->units();
+    bool success      = false;
+
+    std::thread thread([&callback, &units, &success]() {
+        for (int32_t pu : units) {
+            if (!Platform::setThreadAffinity(pu)) {
+                continue;
+            }
+
+            if (!callback(pu)) {
+                return;
+            }
+        }
+
+        success = true;
+    });
+
+    thread.join();
+
+    return success;
+}
+
+
+bool xmrig::Msr::rdmsr(uint32_t reg, int32_t cpu, uint64_t &value) const
+{
+    assert(cpu < 0);
+
+    DWORD size = 0;
+
+    return DeviceIoControl(d_ptr->driver, IOCTL_READ_MSR, &reg, sizeof(reg), &value, sizeof(value), &size, nullptr) != 0;
+}
+
+
+bool xmrig::Msr::wrmsr(uint32_t reg, uint64_t value, int32_t cpu)
+{
+    assert(cpu < 0);
+
+    struct {
+        uint32_t reg = 0;
+        uint32_t value[2]{};
+    } input;
+
+    static_assert(sizeof(input) == 12, "Invalid struct size for WinRing0 driver");
+
+    input.reg = reg;
+    *(reinterpret_cast<uint64_t*>(input.value)) = value;
+
+    DWORD output;
+    DWORD k;
+
+    return DeviceIoControl(d_ptr->driver, IOCTL_WRITE_MSR, &input, sizeof(input), &output, sizeof(output), &k, nullptr) != 0;
+}

src/version.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   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
@@ -28,14 +28,14 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "6.7.0"
+#define APP_VERSION   "6.8.0"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
-#define APP_COPYRIGHT "Copyright (C) 2016-2020 xmrig.com"
+#define APP_COPYRIGHT "Copyright (C) 2016-2021 xmrig.com"
 #define APP_KIND      "miner"
 
 #define APP_VER_MAJOR  6
-#define APP_VER_MINOR  7
+#define APP_VER_MINOR  8
 #define APP_VER_PATCH  0
 
 #ifdef _MSC_VER