blob: 7e710823a84ba578060bcced9669c3f60b4b1da0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#pragma once
#include "amd_gpu/gpu.hpp"
#include "jconf.hpp"
#include "xmrstak/backend/iBackend.hpp"
#include "xmrstak/misc/environment.hpp"
#include <thread>
#include <atomic>
namespace xmrstak
{
namespace amd
{
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 init_gpus();
private:
typedef void (*cn_hash_fun)(const void*, size_t, void*, cryptonight_ctx*);
minethd(miner_work& pWork, size_t iNo, GpuContext* ctx);
// We use the top 8 bits of the nonce for thread and resume
// This allows us to resume up to 64 threads 4 times before
// we get nonce collisions
// Bottom 24 bits allow for an hour of work at 4000 H/s
inline uint32_t calc_start_nonce(uint32_t resume)
{
return reverseBits<uint32_t>(static_cast<uint32_t>(iThreadNo + GlobalStates::inst().iThreadCount * resume));
}
void work_main();
void double_work_main();
void consume_work();
uint64_t iJobNo;
static miner_work oGlobalWork;
miner_work oWork;
std::thread oWorkThd;
uint8_t iThreadNo;
bool bQuit;
bool bNoPrefetch;
//Mutable ptr to vector below, different for each thread
GpuContext* pGpuCtx;
// WARNING - this vector (but not its contents) must be immutable
// once the threads are started
static std::vector<GpuContext> vGpuData;
};
} // namespace amd
} // namespace xmrstak
|
