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Added support for Sifcoin

djm34
phm 11 years ago
parent
ccc7d137ed
commit
0f88162c39
9 changed files with 574 additions and 0 deletions
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  1. 1
      Makefile.am
  2. 1
      configure.ac
  3. 6
      driver-opencl.c
  4. 364
      kernel/sifcoin.cl
  5. 1
      miner.h
  6. 5
      ocl.c
  7. 6
      sgminer.c
  8. 180
      sifcoin.c
  9. 10
      sifcoin.h

1
Makefile.am
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@ -46,6 +46,7 @@ sgminer_SOURCES += darkcoin.c darkcoin.h
sgminer_SOURCES += qubitcoin.c qubitcoin.h sgminer_SOURCES += qubitcoin.c qubitcoin.h
sgminer_SOURCES += quarkcoin.c quarkcoin.h sgminer_SOURCES += quarkcoin.c quarkcoin.h
sgminer_SOURCES += myriadcoin-groestl.c myriadcoin-groestl.h sgminer_SOURCES += myriadcoin-groestl.c myriadcoin-groestl.h
sgminer_SOURCES += sifcoin.c sifcoin.h
sgminer_SOURCES += kernel/*.cl sgminer_SOURCES += kernel/*.cl
bin_SCRIPTS = $(top_srcdir)/kernel/*.cl bin_SCRIPTS = $(top_srcdir)/kernel/*.cl

1
configure.ac
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@ -349,6 +349,7 @@ AC_DEFINE_UNQUOTED([DARKCOIN_KERNNAME], ["darkcoin"], [Filename for DarkCoin opt
AC_DEFINE_UNQUOTED([QUBITCOIN_KERNNAME], ["qubitcoin"], [Filename for QubitCoin optimised kernel]) AC_DEFINE_UNQUOTED([QUBITCOIN_KERNNAME], ["qubitcoin"], [Filename for QubitCoin optimised kernel])
AC_DEFINE_UNQUOTED([QUARKCOIN_KERNNAME], ["quarkcoin"], [Filename for QuarkCoin optimised kernel]) AC_DEFINE_UNQUOTED([QUARKCOIN_KERNNAME], ["quarkcoin"], [Filename for QuarkCoin optimised kernel])
AC_DEFINE_UNQUOTED([MYRIADCOIN_GROESTL_KERNNAME], ["myriadcoin-groestl"], [Filename for MyriadCoin-Groestl optimised kernel]) AC_DEFINE_UNQUOTED([MYRIADCOIN_GROESTL_KERNNAME], ["myriadcoin-groestl"], [Filename for MyriadCoin-Groestl optimised kernel])
AC_DEFINE_UNQUOTED([SIFCOIN_KERNNAME], ["sifcoin"], [Filename for Sifcoin optimised kernel])
AC_SUBST(OPENCL_LIBS) AC_SUBST(OPENCL_LIBS)
AC_SUBST(OPENCL_FLAGS) AC_SUBST(OPENCL_FLAGS)

6
driver-opencl.c
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@ -215,6 +215,8 @@ static enum cl_kernels select_kernel(char *arg)
return KL_QUARKCOIN; return KL_QUARKCOIN;
if (!strcmp(arg, MYRIADCOIN_GROESTL_KERNNAME)) if (!strcmp(arg, MYRIADCOIN_GROESTL_KERNNAME))
return KL_MYRIADCOIN_GROESTL; return KL_MYRIADCOIN_GROESTL;
if (!strcmp(arg, SIFCOIN_KERNNAME))
return KL_SIFCOIN;
return KL_NONE; return KL_NONE;
} }
@ -1367,6 +1369,9 @@ static bool opencl_thread_prepare(struct thr_info *thr)
case KL_MYRIADCOIN_GROESTL: case KL_MYRIADCOIN_GROESTL:
cgpu->kname = MYRIADCOIN_GROESTL_KERNNAME; cgpu->kname = MYRIADCOIN_GROESTL_KERNNAME;
break; break;
case KL_SIFCOIN:
cgpu->kname = SIFCOIN_KERNNAME;
break;
default: default:
break; break;
} }
@ -1406,6 +1411,7 @@ static bool opencl_thread_init(struct thr_info *thr)
case KL_QUBITCOIN: case KL_QUBITCOIN:
case KL_QUARKCOIN: case KL_QUARKCOIN:
case KL_MYRIADCOIN_GROESTL: case KL_MYRIADCOIN_GROESTL:
case KL_SIFCOIN:
thrdata->queue_kernel_parameters = &queue_sph_kernel; thrdata->queue_kernel_parameters = &queue_sph_kernel;
break; break;
default: default:

364
kernel/sifcoin.cl
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@ -0,0 +1,364 @@
/*
* Sifcoin kernel implementation.
*
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2014 phm
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ===========================(LICENSE END)=============================
*
* @author phm <phm@inbox.com>
*/
#ifndef SIFCOIN_CL
#define SIFCOIN_CL
#if __ENDIAN_LITTLE__
#define SPH_LITTLE_ENDIAN 1
#else
#define SPH_BIG_ENDIAN 1
#endif
#define SPH_UPTR sph_u64
typedef unsigned int sph_u32;
typedef int sph_s32;
#ifndef __OPENCL_VERSION__
typedef unsigned long long sph_u64;
typedef long long sph_s64;
#else
typedef unsigned long sph_u64;
typedef long sph_s64;
#endif
#define SPH_64 1
#define SPH_64_TRUE 1
#define SPH_C32(x) ((sph_u32)(x ## U))
#define SPH_T32(x) ((x) & SPH_C32(0xFFFFFFFF))
#define SPH_ROTL32(x, n) SPH_T32(((x) << (n)) | ((x) >> (32 - (n))))
#define SPH_ROTR32(x, n) SPH_ROTL32(x, (32 - (n)))
#define SPH_C64(x) ((sph_u64)(x ## UL))
#define SPH_T64(x) ((x) & SPH_C64(0xFFFFFFFFFFFFFFFF))
#define SPH_ROTL64(x, n) SPH_T64(((x) << (n)) | ((x) >> (64 - (n))))
#define SPH_ROTR64(x, n) SPH_ROTL64(x, (64 - (n)))
#define SPH_ECHO_64 1
#define SPH_KECCAK_64 1
#define SPH_JH_64 1
#define SPH_SIMD_NOCOPY 0
#define SPH_KECCAK_NOCOPY 0
#define SPH_COMPACT_BLAKE_64 0
#define SPH_LUFFA_PARALLEL 0
#define SPH_SMALL_FOOTPRINT_GROESTL 0
#define SPH_GROESTL_BIG_ENDIAN 0
#define SPH_CUBEHASH_UNROLL 0
#define SPH_KECCAK_UNROLL 0
#include "blake.cl"
#include "bmw.cl"
#include "groestl.cl"
#include "jh.cl"
#include "keccak.cl"
#include "skein.cl"
#define SWAP4(x) as_uint(as_uchar4(x).wzyx)
#define SWAP8(x) as_ulong(as_uchar8(x).s76543210)
#if SPH_BIG_ENDIAN
#define DEC64E(x) (x)
#define DEC64BE(x) (*(const __global sph_u64 *) (x));
#else
#define DEC64E(x) SWAP8(x)
#define DEC64BE(x) SWAP8(*(const __global sph_u64 *) (x));
#endif
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search(__global unsigned char* block, volatile __global uint* output, const ulong target)
{
uint gid = get_global_id(0);
union {
unsigned char h1[64];
uint h4[16];
ulong h8[8];
} hash;
// blake
{
sph_u64 H0 = SPH_C64(0x6A09E667F3BCC908), H1 = SPH_C64(0xBB67AE8584CAA73B);
sph_u64 H2 = SPH_C64(0x3C6EF372FE94F82B), H3 = SPH_C64(0xA54FF53A5F1D36F1);
sph_u64 H4 = SPH_C64(0x510E527FADE682D1), H5 = SPH_C64(0x9B05688C2B3E6C1F);
sph_u64 H6 = SPH_C64(0x1F83D9ABFB41BD6B), H7 = SPH_C64(0x5BE0CD19137E2179);
sph_u64 S0 = 0, S1 = 0, S2 = 0, S3 = 0;
sph_u64 T0 = SPH_C64(0xFFFFFFFFFFFFFC00) + (80 << 3), T1 = 0xFFFFFFFFFFFFFFFF;;
if ((T0 = SPH_T64(T0 + 1024)) < 1024)
{
T1 = SPH_T64(T1 + 1);
}
sph_u64 M0, M1, M2, M3, M4, M5, M6, M7;
sph_u64 M8, M9, MA, MB, MC, MD, ME, MF;
sph_u64 V0, V1, V2, V3, V4, V5, V6, V7;
sph_u64 V8, V9, VA, VB, VC, VD, VE, VF;
M0 = DEC64BE(block + 0);
M1 = DEC64BE(block + 8);
M2 = DEC64BE(block + 16);
M3 = DEC64BE(block + 24);
M4 = DEC64BE(block + 32);
M5 = DEC64BE(block + 40);
M6 = DEC64BE(block + 48);
M7 = DEC64BE(block + 56);
M8 = DEC64BE(block + 64);
M9 = DEC64BE(block + 72);
M9 &= 0xFFFFFFFF00000000;
M9 ^= SWAP4(gid);
MA = 0x8000000000000000;
MB = 0;
MC = 0;
MD = 1;
ME = 0;
MF = 0x280;
COMPRESS64;
hash.h8[0] = H0;
hash.h8[1] = H1;
hash.h8[2] = H2;
hash.h8[3] = H3;
hash.h8[4] = H4;
hash.h8[5] = H5;
hash.h8[6] = H6;
hash.h8[7] = H7;
}
// bmw
sph_u64 BMW_H[16];
for(unsigned u = 0; u < 16; u++)
BMW_H[u] = BMW_IV512[u];
sph_u64 BMW_h1[16], BMW_h2[16];
sph_u64 mv[16];
mv[ 0] = SWAP8(hash.h8[0]);
mv[ 1] = SWAP8(hash.h8[1]);
mv[ 2] = SWAP8(hash.h8[2]);
mv[ 3] = SWAP8(hash.h8[3]);
mv[ 4] = SWAP8(hash.h8[4]);
mv[ 5] = SWAP8(hash.h8[5]);
mv[ 6] = SWAP8(hash.h8[6]);
mv[ 7] = SWAP8(hash.h8[7]);
mv[ 8] = 0x80;
mv[ 9] = 0;
mv[10] = 0;
mv[11] = 0;
mv[12] = 0;
mv[13] = 0;
mv[14] = 0;
mv[15] = 0x200;
#define M(x) (mv[x])
#define H(x) (BMW_H[x])
#define dH(x) (BMW_h2[x])
FOLDb;
#undef M
#undef H
#undef dH
#define M(x) (BMW_h2[x])
#define H(x) (final_b[x])
#define dH(x) (BMW_h1[x])
FOLDb;
#undef M
#undef H
#undef dH
hash.h8[0] = SWAP8(BMW_h1[8]);
hash.h8[1] = SWAP8(BMW_h1[9]);
hash.h8[2] = SWAP8(BMW_h1[10]);
hash.h8[3] = SWAP8(BMW_h1[11]);
hash.h8[4] = SWAP8(BMW_h1[12]);
hash.h8[5] = SWAP8(BMW_h1[13]);
hash.h8[6] = SWAP8(BMW_h1[14]);
hash.h8[7] = SWAP8(BMW_h1[15]);
// groestl
sph_u64 H[16];
for (unsigned int u = 0; u < 15; u ++)
H[u] = 0;
#if USE_LE
H[15] = ((sph_u64)(512 & 0xFF) << 56) | ((sph_u64)(512 & 0xFF00) << 40);
#else
H[15] = (sph_u64)512;
#endif
sph_u64 g[16], m[16];
m[0] = DEC64E(hash.h8[0]);
m[1] = DEC64E(hash.h8[1]);
m[2] = DEC64E(hash.h8[2]);
m[3] = DEC64E(hash.h8[3]);
m[4] = DEC64E(hash.h8[4]);
m[5] = DEC64E(hash.h8[5]);
m[6] = DEC64E(hash.h8[6]);
m[7] = DEC64E(hash.h8[7]);
for (unsigned int u = 0; u < 16; u ++)
g[u] = m[u] ^ H[u];
m[8] = 0x80; g[8] = m[8] ^ H[8];
m[9] = 0; g[9] = m[9] ^ H[9];
m[10] = 0; g[10] = m[10] ^ H[10];
m[11] = 0; g[11] = m[11] ^ H[11];
m[12] = 0; g[12] = m[12] ^ H[12];
m[13] = 0; g[13] = m[13] ^ H[13];
m[14] = 0; g[14] = m[14] ^ H[14];
m[15] = 0x100000000000000; g[15] = m[15] ^ H[15];
PERM_BIG_P(g);
PERM_BIG_Q(m);
for (unsigned int u = 0; u < 16; u ++)
H[u] ^= g[u] ^ m[u];
sph_u64 xH[16];
for (unsigned int u = 0; u < 16; u ++)
xH[u] = H[u];
PERM_BIG_P(xH);
for (unsigned int u = 0; u < 16; u ++)
H[u] ^= xH[u];
for (unsigned int u = 0; u < 8; u ++)
hash.h8[u] = DEC64E(H[u + 8]);
// jh
sph_u64 h0h = C64e(0x6fd14b963e00aa17), h0l = C64e(0x636a2e057a15d543), h1h = C64e(0x8a225e8d0c97ef0b), h1l = C64e(0xe9341259f2b3c361), h2h = C64e(0x891da0c1536f801e), h2l = C64e(0x2aa9056bea2b6d80), h3h = C64e(0x588eccdb2075baa6), h3l = C64e(0xa90f3a76baf83bf7);
sph_u64 h4h = C64e(0x0169e60541e34a69), h4l = C64e(0x46b58a8e2e6fe65a), h5h = C64e(0x1047a7d0c1843c24), h5l = C64e(0x3b6e71b12d5ac199), h6h = C64e(0xcf57f6ec9db1f856), h6l = C64e(0xa706887c5716b156), h7h = C64e(0xe3c2fcdfe68517fb), h7l = C64e(0x545a4678cc8cdd4b);
sph_u64 tmp;
for(int i = 0; i < 2; i++)
{
if (i == 0) {
h0h ^= DEC64E(hash.h8[0]);
h0l ^= DEC64E(hash.h8[1]);
h1h ^= DEC64E(hash.h8[2]);
h1l ^= DEC64E(hash.h8[3]);
h2h ^= DEC64E(hash.h8[4]);
h2l ^= DEC64E(hash.h8[5]);
h3h ^= DEC64E(hash.h8[6]);
h3l ^= DEC64E(hash.h8[7]);
} else if(i == 1) {
h4h ^= DEC64E(hash.h8[0]);
h4l ^= DEC64E(hash.h8[1]);
h5h ^= DEC64E(hash.h8[2]);
h5l ^= DEC64E(hash.h8[3]);
h6h ^= DEC64E(hash.h8[4]);
h6l ^= DEC64E(hash.h8[5]);
h7h ^= DEC64E(hash.h8[6]);
h7l ^= DEC64E(hash.h8[7]);
h0h ^= 0x80;
h3l ^= 0x2000000000000;
}
E8;
}
h4h ^= 0x80;
h7l ^= 0x2000000000000;
hash.h8[0] = DEC64E(h4h);
hash.h8[1] = DEC64E(h4l);
hash.h8[2] = DEC64E(h5h);
hash.h8[3] = DEC64E(h5l);
hash.h8[4] = DEC64E(h6h);
hash.h8[5] = DEC64E(h6l);
hash.h8[6] = DEC64E(h7h);
hash.h8[7] = DEC64E(h7l);
// keccak
sph_u64 a00 = 0, a01 = 0, a02 = 0, a03 = 0, a04 = 0;
sph_u64 a10 = 0, a11 = 0, a12 = 0, a13 = 0, a14 = 0;
sph_u64 a20 = 0, a21 = 0, a22 = 0, a23 = 0, a24 = 0;
sph_u64 a30 = 0, a31 = 0, a32 = 0, a33 = 0, a34 = 0;
sph_u64 a40 = 0, a41 = 0, a42 = 0, a43 = 0, a44 = 0;
a10 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a20 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a31 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a22 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a23 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a04 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a00 ^= SWAP8(hash.h8[0]);
a10 ^= SWAP8(hash.h8[1]);
a20 ^= SWAP8(hash.h8[2]);
a30 ^= SWAP8(hash.h8[3]);
a40 ^= SWAP8(hash.h8[4]);
a01 ^= SWAP8(hash.h8[5]);
a11 ^= SWAP8(hash.h8[6]);
a21 ^= SWAP8(hash.h8[7]);
a31 ^= 0x8000000000000001;
KECCAK_F_1600;
// Finalize the "lane complement"
a10 = ~a10;
a20 = ~a20;
hash.h8[0] = SWAP8(a00);
hash.h8[1] = SWAP8(a10);
hash.h8[2] = SWAP8(a20);
hash.h8[3] = SWAP8(a30);
hash.h8[4] = SWAP8(a40);
hash.h8[5] = SWAP8(a01);
hash.h8[6] = SWAP8(a11);
hash.h8[7] = SWAP8(a21);
// skein
sph_u64 h0 = SPH_C64(0x4903ADFF749C51CE), h1 = SPH_C64(0x0D95DE399746DF03), h2 = SPH_C64(0x8FD1934127C79BCE), h3 = SPH_C64(0x9A255629FF352CB1), h4 = SPH_C64(0x5DB62599DF6CA7B0), h5 = SPH_C64(0xEABE394CA9D5C3F4), h6 = SPH_C64(0x991112C71A75B523), h7 = SPH_C64(0xAE18A40B660FCC33);
sph_u64 m0, m1, m2, m3, m4, m5, m6, m7;
sph_u64 bcount = 0;
m0 = SWAP8(hash.h8[0]);
m1 = SWAP8(hash.h8[1]);
m2 = SWAP8(hash.h8[2]);
m3 = SWAP8(hash.h8[3]);
m4 = SWAP8(hash.h8[4]);
m5 = SWAP8(hash.h8[5]);
m6 = SWAP8(hash.h8[6]);
m7 = SWAP8(hash.h8[7]);
UBI_BIG(480, 64);
bcount = 0;
m0 = m1 = m2 = m3 = m4 = m5 = m6 = m7 = 0;
UBI_BIG(510, 8);
hash.h8[0] = SWAP8(h0);
hash.h8[1] = SWAP8(h1);
hash.h8[2] = SWAP8(h2);
hash.h8[3] = SWAP8(h3);
hash.h8[4] = SWAP8(h4);
hash.h8[5] = SWAP8(h5);
hash.h8[6] = SWAP8(h6);
hash.h8[7] = SWAP8(h7);
bool result = (SWAP8(hash.h8[3]) <= target);
if (result)
output[output[0xFF]++] = SWAP4(gid);
}
#endif // SIFCOIN_CL

1
miner.h
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@ -383,6 +383,7 @@ enum cl_kernels {
KL_ZUIKKIS, KL_ZUIKKIS,
KL_QUARKCOIN, // kernels starting from this will have difficulty calculated by using quarkcoin algorithm KL_QUARKCOIN, // kernels starting from this will have difficulty calculated by using quarkcoin algorithm
KL_QUBITCOIN, KL_QUBITCOIN,
KL_SIFCOIN,
KL_DARKCOIN, // kernels starting from this will have difficulty calculated by using bitcoin algorithm KL_DARKCOIN, // kernels starting from this will have difficulty calculated by using bitcoin algorithm
KL_MYRIADCOIN_GROESTL, KL_MYRIADCOIN_GROESTL,
}; };

5
ocl.c
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@ -474,6 +474,11 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
strcpy(filename, MYRIADCOIN_GROESTL_KERNNAME".cl"); strcpy(filename, MYRIADCOIN_GROESTL_KERNNAME".cl");
strcpy(binaryfilename, MYRIADCOIN_GROESTL_KERNNAME); strcpy(binaryfilename, MYRIADCOIN_GROESTL_KERNNAME);
break; break;
case KL_SIFCOIN:
applog(LOG_WARNING, "Kernel sifcoin is experimental.");
strcpy(filename, SIFCOIN_KERNNAME".cl");
strcpy(binaryfilename, SIFCOIN_KERNNAME);
break;
case KL_NONE: /* Shouldn't happen */ case KL_NONE: /* Shouldn't happen */
break; break;
} }

6
sgminer.c
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@ -4239,6 +4239,9 @@ void write_config(FILE *fcfg)
case KL_MYRIADCOIN_GROESTL: case KL_MYRIADCOIN_GROESTL:
fprintf(fcfg, MYRIADCOIN_GROESTL_KERNNAME); fprintf(fcfg, MYRIADCOIN_GROESTL_KERNNAME);
break; break;
case KL_SIFCOIN:
fprintf(fcfg, SIFCOIN_KERNNAME);
break;
} }
} }
@ -6055,6 +6058,9 @@ static void rebuild_nonce(struct work *work, uint32_t nonce)
case KL_MYRIADCOIN_GROESTL: case KL_MYRIADCOIN_GROESTL:
myriadcoin_groestl_regenhash(work); myriadcoin_groestl_regenhash(work);
break; break;
case KL_SIFCOIN:
sifcoin_regenhash(work);
break;
default: default:
scrypt_regenhash(work); scrypt_regenhash(work);
break; break;

180
sifcoin.c
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@ -0,0 +1,180 @@
/*-
* Copyright 2014 phm
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "config.h"
#include "miner.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "sph/sph_blake.h"
#include "sph/sph_bmw.h"
#include "sph/sph_groestl.h"
#include "sph/sph_skein.h"
#include "sph/sph_jh.h"
#include "sph/sph_keccak.h"
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static inline void
be32enc_vect(uint32_t *dst, const uint32_t *src, uint32_t len)
{
uint32_t i;
for (i = 0; i < len; i++)
dst[i] = htobe32(src[i]);
}
inline void sifhash(void *state, const void *input)
{
sph_blake512_context ctx_blake;
sph_bmw512_context ctx_bmw;
sph_groestl512_context ctx_groestl;
sph_jh512_context ctx_jh;
sph_keccak512_context ctx_keccak;
sph_skein512_context ctx_skein;
unsigned char hash[64];
sph_blake512_init(&ctx_blake);
// ZBLAKE;
sph_blake512 (&ctx_blake, input, 80);
sph_blake512_close(&ctx_blake, (void*) hash);
sph_bmw512_init(&ctx_bmw);
// ZBMW;
sph_bmw512 (&ctx_bmw, (const void*) hash, 64);
sph_bmw512_close(&ctx_bmw, (void*) hash);
sph_groestl512_init(&ctx_groestl);
// ZGROESTL;
sph_groestl512 (&ctx_groestl, (const void*) hash, 64);
sph_groestl512_close(&ctx_groestl, (void*) hash);
sph_jh512_init(&ctx_jh);
// ZJH;
sph_jh512 (&ctx_jh, (const void*) hash, 64);
sph_jh512_close(&ctx_jh, (void*) hash);
sph_keccak512_init(&ctx_keccak);
// ZKECCAK;
sph_keccak512 (&ctx_keccak, (const void*) hash, 64);
sph_keccak512_close(&ctx_keccak, (void*) hash);
sph_skein512_init(&ctx_skein);
// SKEIN;
sph_skein512 (&ctx_skein, (const void*) hash, 64);
sph_skein512_close(&ctx_skein, (void*) hash);
memcpy(state, hash, 32);
}
static const uint32_t diff1targ = 0x0000ffff;
/* Used externally as confirmation of correct OCL code */
int sifcoin_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce)
{
uint32_t tmp_hash7, Htarg = le32toh(((const uint32_t *)ptarget)[7]);
uint32_t data[20], ohash[8];
//char *scratchbuf;
be32enc_vect(data, (const uint32_t *)pdata, 19);
data[19] = htobe32(nonce);
//scratchbuf = alloca(SCRATCHBUF_SIZE);
sifhash(ohash, data);
tmp_hash7 = be32toh(ohash[7]);
applog(LOG_DEBUG, "htarget %08lx diff1 %08lx hash %08lx",
(long unsigned int)Htarg,
(long unsigned int)diff1targ,
(long unsigned int)tmp_hash7);
if (tmp_hash7 > diff1targ)
return -1;
if (tmp_hash7 > Htarg)
return 0;
return 1;
}
void sifcoin_regenhash(struct work *work)
{
uint32_t data[20];
char *scratchbuf;
uint32_t *nonce = (uint32_t *)(work->data + 76);
uint32_t *ohash = (uint32_t *)(work->hash);
be32enc_vect(data, (const uint32_t *)work->data, 19);
data[19] = htobe32(*nonce);
sifhash(ohash, data);
}
bool scanhash_sifcoin(struct thr_info *thr, const unsigned char __maybe_unused *pmidstate,
unsigned char *pdata, unsigned char __maybe_unused *phash1,
unsigned char __maybe_unused *phash, const unsigned char *ptarget,
uint32_t max_nonce, uint32_t *last_nonce, uint32_t n)
{
uint32_t *nonce = (uint32_t *)(pdata + 76);
char *scratchbuf;
uint32_t data[20];
uint32_t tmp_hash7;
uint32_t Htarg = le32toh(((const uint32_t *)ptarget)[7]);
bool ret = false;
be32enc_vect(data, (const uint32_t *)pdata, 19);
while(1) {
uint32_t ostate[8];
*nonce = ++n;
data[19] = (n);
sifhash(ostate, data);
tmp_hash7 = (ostate[7]);
applog(LOG_INFO, "data7 %08lx",
(long unsigned int)data[7]);
if (unlikely(tmp_hash7 <= Htarg)) {
((uint32_t *)pdata)[19] = htobe32(n);
*last_nonce = n;
ret = true;
break;
}
if (unlikely((n >= max_nonce) || thr->work_restart)) {
*last_nonce = n;
break;
}
}
return ret;
}

10
sifcoin.h
Unescape View File

@ -0,0 +1,10 @@
#ifndef SIFCOIN_H
#define SIFCOIN_H
#include "miner.h"
extern int sifcoin_test(unsigned char *pdata, const unsigned char *ptarget,
uint32_t nonce);
extern void sifcoin_regenhash(struct work *work);
#endif /* SIFCOIN_H */
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