AstroBWT algorithm (DERO) support

To test:

- Download https://github.com/deroproject/derosuite/releases/tag/AstroBWT
- Run daemon with `--testnet` in command line

In config.json:
- "coin":"dero"
- "url":"127.0.0.1:30306"
- "daemon:"true"

src/backend/cpu/CpuConfig.cpp

@@ -165,6 +165,7 @@ void xmrig::CpuConfig::generate()
     count += xmrig::generate<Algorithm::CN_PICO>(m_threads, m_limit);
     count += xmrig::generate<Algorithm::RANDOM_X>(m_threads, m_limit);
     count += xmrig::generate<Algorithm::ARGON2>(m_threads, m_limit);
+    count += xmrig::generate<Algorithm::ASTROBWT>(m_threads, m_limit);
 
     m_shouldSave = count > 0;
 }

src/backend/cpu/CpuConfig_gen.h

@@ -143,6 +143,14 @@ size_t inline generate<Algorithm::ARGON2>(Threads<CpuThreads> &threads, uint32_t
 #endif
 
 
+#ifdef XMRIG_ALGO_ASTROBWT
+template<>
+size_t inline generate<Algorithm::ASTROBWT>(Threads<CpuThreads>& threads, uint32_t limit)
+{
+    return generate("astrobwt", threads, Algorithm::ASTROBWT_DERO, limit);
+}
+#endif
+
 } /* namespace xmrig */
 
 

src/backend/cpu/CpuWorker.cpp

@@ -44,6 +44,11 @@
 #endif
 
 
+#ifdef XMRIG_ALGO_ASTROBWT
+#   include "crypto/astrobwt/AstroBWT.h"
+#endif
+
+
 namespace xmrig {
 
 static constexpr uint32_t kReserveCount = 32768;
@@ -180,6 +185,12 @@ bool xmrig::CpuWorker<N>::selfTest()
     }
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    if (m_algorithm.family() == Algorithm::ASTROBWT) {
+        return verify(Algorithm::ASTROBWT_DERO, astrobwt_dero_test_out);
+    }
+#   endif
+
     return false;
 }
 

src/backend/cpu/platform/AdvancedCpuInfo.cpp

@@ -172,6 +172,17 @@ xmrig::CpuThreads xmrig::AdvancedCpuInfo::threads(const Algorithm &algorithm, ui
     size_t cache = 0;
     size_t count = 0;
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    if (algorithm == Algorithm::ASTROBWT_DERO) {
+        CpuThreads t;
+        count = threads();
+        for (size_t i = 0; i < count; ++i) {
+            t.add(i, 0);
+        }
+        return t;
+    }
+#   endif
+
     if (m_L3) {
         cache = m_L2_exclusive ? (m_L2 + m_L3) : m_L3;
     }

src/backend/cpu/platform/BasicCpuInfo.cpp

@@ -258,5 +258,15 @@ xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint3
     }
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    if (algorithm.family() == Algorithm::ASTROBWT) {
+        CpuThreads threads;
+        for (size_t i = 0; i < count; ++i) {
+            threads.add(i, 0);
+        }
+        return threads;
+    }
+#   endif
+
     return CpuThreads(std::max<size_t>(count / 2, 1), 1);
 }

src/backend/cpu/platform/HwlocCpuInfo.cpp

@@ -216,6 +216,12 @@ bool xmrig::HwlocCpuInfo::membind(hwloc_const_bitmap_t nodeset)
 
 xmrig::CpuThreads xmrig::HwlocCpuInfo::threads(const Algorithm &algorithm, uint32_t limit) const
 {
+#   ifdef XMRIG_ALGO_ASTROBWT
+    if (algorithm == Algorithm::ASTROBWT_DERO) {
+        return BasicCpuInfo::threads(algorithm, limit);
+    }
+#   endif
+
     if (L2() == 0 && L3() == 0) {
         return BasicCpuInfo::threads(algorithm, limit);
     }