1 files changed, 66 insertions, 0 deletions
diff --git a/xmrstak/backend/nvidia/minethd.hpp b/xmrstak/backend/nvidia/minethd.hpp
new file mode 100644
index 0000000..9f3993e
--- /dev/null
+++ b/xmrstak/backend/nvidia/minethd.hpp
@@ -0,0 +1,66 @@
+#pragma once
+#include <thread>
+#include <atomic>
+#include <vector>
+#include "nvcc_code/cryptonight.h"
+#include "../../crypto/cryptonight.h"
+#include "../../jconf.h"
+#include "./jconf.h"
+#include "../IBackend.hpp"
+#include "../../Environment.hpp"
+#include <iostream>
+
+namespace xmrstak
+{
+namespace nvidia
+{
+
+class minethd : public IBackend
+{
+public:
+
+	static void switch_work(miner_work& pWork);
+	static std::vector<IBackend*>* thread_starter(uint32_t threadOffset, miner_work& pWork);
+	static bool self_test();
+
+private:
+	typedef void (*cn_hash_fun)(const void*, size_t, void*, cryptonight_ctx*);
+	
+	minethd(miner_work& pWork, size_t iNo, const jconf::thd_cfg& cfg);
+
+	// We use the top 10 bits of the nonce for thread and resume
+	// This allows us to resume up to 128 threads 4 times before
+	// we get nonce collisions
+	// Bottom 22 bits allow for an hour of work at 1000 H/s
+	inline uint32_t calc_start_nonce(uint32_t resume)
+	{
+		return reverseBits<uint32_t>(iThreadNo + GlobalStates::inst().iThreadCount * resume);
+	}
+
+	// Limited version of the nonce calc above
+	inline uint32_t calc_nicehash_nonce(uint32_t start, uint32_t resume)
+	{
+		return start | ( ( reverseBits(iThreadNo + GlobalStates::inst().iThreadCount * resume) >> 4u ) );
+	}
+
+	void work_main();
+	void consume_work();
+
+	static std::atomic<uint64_t> iGlobalJobNo;
+	static std::atomic<uint64_t> iConsumeCnt;
+	static uint64_t iThreadCount;
+	uint64_t iJobNo;
+
+	static miner_work oGlobalWork;
+	miner_work oWork;
+
+	std::thread oWorkThd;
+	uint8_t iThreadNo;
+
+	nvid_ctx ctx;
+
+	bool bQuit;
+};
+
+} // namespace nvidia
+} // namepsace xmrstak