OpenCL GPU miner
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/*
* Copyright 2014 sgminer developers
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version. See COPYING for more details.
*/
#include "algorithm.h"
#include "sha2.h"
#include "ocl.h"
#include "scrypt.h"
#include "animecoin.h"
#include "inkcoin.h"
#include "quarkcoin.h"
#include "qubitcoin.h"
#include "sifcoin.h"
#include "darkcoin.h"
#include "myriadcoin-groestl.h"
#include "fuguecoin.h"
#include "groestlcoin.h"
#include "twecoin.h"
#include "marucoin.h"
#include "maxcoin.h"
#include <inttypes.h>
#include <string.h>
void gen_hash(const unsigned char *data, unsigned int len, unsigned char *hash)
{
unsigned char hash1[32];
sha256(data, len, hash1);
sha256(hash1, 32, hash);
}
#define CL_SET_BLKARG(blkvar) status |= clSetKernelArg(*kernel, num++, sizeof(uint), (void *)&blk->blkvar)
#define CL_SET_ARG(var) status |= clSetKernelArg(*kernel, num++, sizeof(var), (void *)&var)
#define CL_SET_VARG(args, var) status |= clSetKernelArg(*kernel, num++, args * sizeof(uint), (void *)var)
static cl_int queue_scrypt_kernel(struct __clState *clState, struct _dev_blk_ctx *blk, __maybe_unused cl_uint threads)
{
unsigned char *midstate = blk->work->midstate;
cl_kernel *kernel = &clState->kernel;
unsigned int num = 0;
cl_uint le_target;
cl_int status = 0;
le_target = *(cl_uint *)(blk->work->device_target + 28);
memcpy(clState->cldata, blk->work->data, 80);
status = clEnqueueWriteBuffer(clState->commandQueue, clState->CLbuffer0, true, 0, 80, clState->cldata, 0, NULL,NULL);
CL_SET_ARG(clState->CLbuffer0);
CL_SET_ARG(clState->outputBuffer);
CL_SET_ARG(clState->padbuffer8);
CL_SET_VARG(4, &midstate[0]);
CL_SET_VARG(4, &midstate[16]);
CL_SET_ARG(le_target);
return status;
}
static cl_int queue_sph_kernel(struct __clState *clState, struct _dev_blk_ctx *blk, __maybe_unused cl_uint threads)
{
cl_kernel *kernel = &clState->kernel;
unsigned int num = 0;
cl_ulong le_target;
cl_int status = 0;
le_target = *(cl_ulong *)(blk->work->device_target + 24);
flip80(clState->cldata, blk->work->data);
status = clEnqueueWriteBuffer(clState->commandQueue, clState->CLbuffer0, true, 0, 80, clState->cldata, 0, NULL,NULL);
CL_SET_ARG(clState->CLbuffer0);
CL_SET_ARG(clState->outputBuffer);
CL_SET_ARG(le_target);
return status;
}
static cl_int queue_maxcoin_kernel(struct __clState *clState, struct _dev_blk_ctx *blk, __maybe_unused cl_uint threads)
{
cl_kernel *kernel = &clState->kernel;
unsigned int num = 0;
cl_int status = 0;
flip80(clState->cldata, blk->work->data);
status = clEnqueueWriteBuffer(clState->commandQueue, clState->CLbuffer0, true, 0, 80, clState->cldata, 0, NULL,NULL);
CL_SET_ARG(clState->CLbuffer0);
CL_SET_ARG(clState->outputBuffer);
return status;
}
typedef struct _algorithm_settings_t {
const char *name; /* Human-readable identifier */
double diff_multiplier1;
double diff_multiplier2;
double share_diff_multiplier;
uint32_t xintensity_shift;
uint32_t intensity_shift;
uint32_t found_idx;
unsigned long long diff_nonce;
unsigned long long diff_numerator;
uint32_t diff1targ;
void (*regenhash)(struct work *);
cl_int (*queue_kernel)(struct __clState *, struct _dev_blk_ctx *, cl_uint);
void (*gen_hash)(const unsigned char *, unsigned int, unsigned char *);
} algorithm_settings_t;
static algorithm_settings_t algos[] = {
// kernels starting from this will have difficulty calculated by using litecoin algorithm
#define A_SCRYPT(a) \
{ a, 1, 65536, 65536, 0, 0, 0xFF, 0x0000ffff00000000ULL, 0xFFFFFFFFULL, 0x0000ffffUL, scrypt_regenhash, queue_scrypt_kernel, gen_hash}
A_SCRYPT( "ckolivas" ),
A_SCRYPT( "alexkarnew" ),
A_SCRYPT( "alexkarnold" ),
A_SCRYPT( "bufius" ),
A_SCRYPT( "psw" ),
A_SCRYPT( "zuikkis" ),
#undef A_SCRYPT
// kernels starting from this will have difficulty calculated by using quarkcoin algorithm
#define A_QUARK(a, b) \
{ a, 256, 256, 256, 0, 0, 0xFF, 0x000000ffff000000ULL, 0xFFFFFFULL, 0x0000ffffUL, b, queue_sph_kernel, gen_hash}
A_QUARK( "quarkcoin", quarkcoin_regenhash),
A_QUARK( "qubitcoin", qubitcoin_regenhash),
A_QUARK( "animecoin", animecoin_regenhash),
A_QUARK( "sifcoin", sifcoin_regenhash),
#undef A_QUARK
// kernels starting from this will have difficulty calculated by using bitcoin algorithm
#define A_DARK(a, b) \
{ a, 1, 1, 1, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, b, queue_sph_kernel, gen_hash}
A_DARK( "darkcoin", darkcoin_regenhash),
A_DARK( "inkcoin", inkcoin_regenhash),
A_DARK( "myriadcoin-groestl", myriadcoin_groestl_regenhash),
A_DARK( "marucoin", marucoin_regenhash),
#undef A_DARK
{ "twecoin", 1, 1, 1, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, twecoin_regenhash, queue_sph_kernel, sha256},
{ "maxcoin", 1, 256, 1, 4, 15, 0x0F, 0x00000000ffff0000ULL, 0xFFFFULL, 0x000000ffUL, maxcoin_regenhash, queue_maxcoin_kernel, sha256},
// kernels starting from this will have difficulty calculated by using fuguecoin algorithm
#define A_FUGUE(a, b) \
{ a, 1, 256, 256, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, b, queue_sph_kernel, sha256}
A_FUGUE( "fuguecoin", fuguecoin_regenhash),
A_FUGUE( "groestlcoin", groestlcoin_regenhash),
#undef A_FUGUE
// Terminator (do not remove)
{ NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL}
};
void copy_algorithm_settings(algorithm_t* dest, const char* algo) {
algorithm_settings_t* src;
// Find algorithm settings and copy
for (src = algos; src->name; src++) {
if (strcmp(src->name, algo) == 0) {
strcpy(dest->name, src->name);
dest->diff_multiplier1 = src->diff_multiplier1;
dest->diff_multiplier2 = src->diff_multiplier2;
dest->share_diff_multiplier = src->share_diff_multiplier;
dest->xintensity_shift = src->xintensity_shift;
dest->intensity_shift = src->intensity_shift;
dest->found_idx = src->found_idx;
dest->diff_nonce = src->diff_nonce;
dest->diff_numerator = src->diff_numerator;
dest->diff1targ = src->diff1targ;
dest->regenhash = src->regenhash;
dest->queue_kernel = src->queue_kernel;
dest->gen_hash = src->gen_hash;
break;
}
}
// if not found
if (src->name == NULL) {
applog(LOG_WARNING, "Algorithm %s not found, using %s.", algo, algos->name);
copy_algorithm_settings(dest, algos->name);
}
}
void set_algorithm(algorithm_t* algo, const char* newname_alias) {
const char* newname;
uint8_t nfactor = 10;
// scrypt is default ckolivas kernel
if (strcmp(newname_alias, "scrypt") == 0)
newname = "ckolivas";
// Adaptive N-factor Scrypt is default ckolivas kernel with nfactor 11
else if ((strcmp(newname_alias, "adaptive-n-factor") == 0) ||
(strcmp(newname_alias, "adaptive-nfactor") == 0) ||
(strcmp(newname_alias, "nscrypt") == 0) ||
(strcmp(newname_alias, "adaptive-nscrypt") == 0) ||
(strcmp(newname_alias, "adaptive-n-scrypt") == 0)) {
newname = "ckolivas";
nfactor = 11;
// Not an alias
} else
newname = newname_alias;
copy_algorithm_settings(algo, newname);
// Doesn't matter for non-scrypt algorithms
set_algorithm_nfactor(algo, nfactor);
}
void set_algorithm_nfactor(algorithm_t* algo, const uint8_t nfactor) {
algo->nfactor = nfactor;
algo->n = (1 << nfactor);
}
bool cmp_algorithm(algorithm_t* algo1, algorithm_t* algo2) {
return (strcmp(algo1->name, algo2->name) == 0) &&
(algo1->nfactor == algo2->nfactor);
}