xmrig/algo/cryptonight/cryptonight_common.c

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2017-04-15 06:02:08 +00:00
/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2016-2017 XMRig <support@xmrig.com>
*
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#ifndef BUILD_TEST
# include "xmrig.h"
#endif
#include "crypto/c_groestl.h"
#include "crypto/c_blake256.h"
#include "crypto/c_jh.h"
#include "crypto/c_skein.h"
#include "cryptonight.h"
#include "options.h"
#if defined(__x86_64__)
void cryptonight_av1_aesni(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx);
void cryptonight_av2_aesni_wolf(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx);
void cryptonight_av3_aesni_bmi2(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx);
void cryptonight_av5_aesni_experimental(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx);
#elif defined(__i386__)
void cryptonight_av1_aesni32(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx);
#endif
void cryptonight_av4_legacy(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx);
void (*cryptonight_hash_ctx)(void* output, const void* input, const char *memory, struct cryptonight_ctx* ctx) = NULL;
void cryptonight_init(int variant)
{
switch (variant) {
#if defined(__x86_64__)
case XMR_VARIANT_AESNI:
cryptonight_hash_ctx = cryptonight_av1_aesni;
break;
case XMR_VARIANT_AESNI_WOLF:
cryptonight_hash_ctx = cryptonight_av2_aesni_wolf;
break;
case XMR_VARIANT_AESNI_BMI2:
cryptonight_hash_ctx = cryptonight_av3_aesni_bmi2;
break;
case XMR_VARIANT_EXPERIMENTAL:
cryptonight_hash_ctx = cryptonight_av5_aesni_experimental;
break;
#elif defined(__i386__)
case XMR_VARIANT_AESNI:
cryptonight_hash_ctx = cryptonight_av1_aesni32;
break;
#endif
case XMR_VARIANT_LEGACY:
cryptonight_hash_ctx = cryptonight_av4_legacy;
break;
default:
break;
}
}
static inline void do_blake_hash(const void* input, size_t len, char* output) {
blake256_hash((uint8_t*)output, input, len);
}
static inline void do_groestl_hash(const void* input, size_t len, char* output) {
groestl(input, len * 8, (uint8_t*)output);
}
static inline void do_jh_hash(const void* input, size_t len, char* output) {
jh_hash(32 * 8, input, 8 * len, (uint8_t*)output);
}
static inline void do_skein_hash(const void* input, size_t len, char* output) {
skein_hash(8 * 32, input, 8 * len, (uint8_t*)output);
}
void (* const extra_hashes[4])(const void *, size_t, char *) = {do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash};
void cryptonight_hash(void* output, const void* input, size_t len) {
uint8_t *memory __attribute((aligned(16))) = (uint8_t *) malloc(MEMORY);
struct cryptonight_ctx *ctx = (struct cryptonight_ctx*)malloc(sizeof(struct cryptonight_ctx));
cryptonight_hash_ctx(output, input, memory, ctx);
free(memory);
free(ctx);
}
#ifndef BUILD_TEST
int scanhash_cryptonight(int thr_id, uint32_t *hash, uint32_t *restrict pdata, const uint32_t *restrict ptarget, uint32_t max_nonce, unsigned long *restrict hashes_done, const char *restrict memory, struct cryptonight_ctx *persistentctx) {
uint32_t *nonceptr = (uint32_t*) (((char*)pdata) + 39);
uint32_t n = *nonceptr - 1;
const uint32_t first_nonce = n + 1;
do {
*nonceptr = ++n;
cryptonight_hash_ctx(hash, pdata, memory, persistentctx);
if (unlikely(hash[7] < ptarget[7])) {
*hashes_done = n - first_nonce + 1;
return true;
}
} while (likely((n <= max_nonce && !work_restart[thr_id].restart)));
*hashes_done = n - first_nonce + 1;
return 0;
}
#endif