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#pragma once
#include <thread>
#include <vector>
#include <atomic>
#include <mutex>
#include "../../crypto/cryptonight.h"
#include "../miner_work.h"
#include "../IBackend.hpp"
#include "../GlobalStates.hpp"
#include <iostream>
namespace xmrstak
{
namespace cpu
{
class minethd : public IBackend
{
public:
static std::vector<IBackend*> thread_starter(uint32_t threadOffset, miner_work& pWork);
static bool self_test();
typedef void (*cn_hash_fun)(const void*, size_t, void*, cryptonight_ctx*);
static cn_hash_fun func_selector(bool bHaveAes, bool bNoPrefetch);
static void thd_setaffinity(std::thread::native_handle_type h, uint64_t cpu_id);
static cryptonight_ctx* minethd_alloc_ctx();
private:
typedef void (*cn_hash_fun_dbl)(const void*, size_t, void*, cryptonight_ctx* __restrict, cryptonight_ctx* __restrict);
static cn_hash_fun_dbl func_dbl_selector(bool bHaveAes, bool bNoPrefetch);
minethd(miner_work& pWork, size_t iNo, bool double_work, bool no_prefetch, int64_t affinity);
// 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>(static_cast<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<uint32_t>(static_cast<uint32_t>(iThreadNo + GlobalStates::inst().iThreadCount * resume)) >> 4u ) );
}
void work_main();
void double_work_main();
void consume_work();
uint64_t iJobNo;
static miner_work oGlobalWork;
miner_work oWork;
void pin_thd_affinity();
// Held by the creating context to prevent a race cond with oWorkThd = std::thread(...)
std::mutex work_thd_mtx;
std::thread oWorkThd;
uint8_t iThreadNo;
int64_t affinity;
bool bQuit;
bool bNoPrefetch;
};
} // namespace cpu
} // namepsace xmrstak
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