diff --git a/src/backend/cpu/platform/AdvancedCpuInfo.cpp b/src/backend/cpu/platform/AdvancedCpuInfo.cpp
index 5cae55e28..37a958dbc 100644
--- a/src/backend/cpu/platform/AdvancedCpuInfo.cpp
+++ b/src/backend/cpu/platform/AdvancedCpuInfo.cpp
@@ -22,6 +22,17 @@
* along with this program. If not, see .
*/
+#include "backend/cpu/platform/AdvancedCpuInfo.h"
+#include "3rdparty/libcpuid/libcpuid.h"
+
+
+#ifdef _MSC_VER
+# include
+#else
+# include
+#endif
+
+
#include
#include
#include
@@ -29,10 +40,6 @@
#include
-#include "3rdparty/libcpuid/libcpuid.h"
-#include "backend/cpu/platform/AdvancedCpuInfo.h"
-
-
namespace xmrig {
@@ -54,11 +61,38 @@ static inline void cpu_brand_string(char out[64], const char *in) {
}
+static inline void cpuid(uint32_t level, int32_t output[4])
+{
+ memset(output, 0, sizeof(int32_t) * 4);
+
+# ifdef _MSC_VER
+ __cpuid(output, static_cast(level));
+# else
+ __cpuid_count(level, 0, output[0], output[1], output[2], output[3]);
+# endif
+}
+
+
+static inline bool has_feature(uint32_t level, uint32_t reg, int32_t bit)
+{
+ int32_t cpu_info[4] = { 0 };
+ cpuid(level, cpu_info);
+
+ return (cpu_info[reg] & bit) != 0;
+}
+
+
+static inline bool has_pdpe1gb()
+{
+ return has_feature(0x80000001, 3, 1 << 26);
+}
+
+
} // namespace xmrig
xmrig::AdvancedCpuInfo::AdvancedCpuInfo() :
- m_brand()
+ m_pdpe1gb(has_pdpe1gb())
{
struct cpu_raw_data_t raw = {};
struct cpu_id_t data = {};
@@ -74,7 +108,7 @@ xmrig::AdvancedCpuInfo::AdvancedCpuInfo() :
m_cores = static_cast(data.num_cores) * m_packages;
m_L3 = data.l3_cache > 0 ? static_cast(data.l3_cache) * m_packages : 0;
- const size_t l2 = static_cast(data.l2_cache);
+ const auto l2 = static_cast(data.l2_cache);
// Workaround for AMD CPUs https://github.com/anrieff/libcpuid/issues/97
if (data.vendor == VENDOR_AMD && data.ext_family >= 0x15 && data.ext_family < 0x17) {
diff --git a/src/backend/cpu/platform/AdvancedCpuInfo.h b/src/backend/cpu/platform/AdvancedCpuInfo.h
index e2909a91d..f590ccfb3 100644
--- a/src/backend/cpu/platform/AdvancedCpuInfo.h
+++ b/src/backend/cpu/platform/AdvancedCpuInfo.h
@@ -43,6 +43,7 @@ protected:
inline Assembly::Id assembly() const override { return m_assembly; }
inline bool hasAES() const override { return m_aes; }
inline bool hasAVX2() const override { return m_avx2; }
+ inline bool hasOneGbPages() const override { return m_pdpe1gb; }
inline const char *backend() const override { return m_backend; }
inline const char *brand() const override { return m_brand; }
inline size_t cores() const override { return m_cores; }
@@ -57,8 +58,9 @@ private:
bool m_aes = false;
bool m_avx2 = false;
bool m_L2_exclusive = false;
- char m_backend[32];
- char m_brand[64 + 5];
+ char m_backend[32]{};
+ char m_brand[64 + 5]{};
+ const bool m_pdpe1gb = false;
size_t m_cores = 0;
size_t m_L2 = 0;
size_t m_L3 = 0;
diff --git a/src/backend/cpu/platform/BasicCpuInfo.cpp b/src/backend/cpu/platform/BasicCpuInfo.cpp
index e6145278c..e2ad19eac 100644
--- a/src/backend/cpu/platform/BasicCpuInfo.cpp
+++ b/src/backend/cpu/platform/BasicCpuInfo.cpp
@@ -113,7 +113,7 @@ static void cpu_brand_string(char out[64 + 6]) {
}
-static bool has_feature(uint32_t level, uint32_t reg, int32_t bit)
+static inline bool has_feature(uint32_t level, uint32_t reg, int32_t bit)
{
int32_t cpu_info[4] = { 0 };
cpuid(level, cpu_info);
@@ -191,7 +191,7 @@ const char *xmrig::BasicCpuInfo::backend() const
}
-xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint32_t limit) const
+xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint32_t) const
{
const size_t count = std::thread::hardware_concurrency();