mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
258 lines
7.9 KiB
C
258 lines
7.9 KiB
C
/**
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* x16r algo implementation
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*
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* Implementation by tpruvot@github Jan 2018
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* Optimized by JayDDee@github Jan 2018
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*/
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#include "x16r-gate.h"
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static void hex_getAlgoString(const uint32_t* prevblock, char *output)
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{
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char *sptr = output;
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uint8_t* data = (uint8_t*)prevblock;
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for (uint8_t j = 0; j < X16R_HASH_FUNC_COUNT; j++) {
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uint8_t b = (15 - j) >> 1; // 16 ascii hex chars, reversed
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uint8_t algoDigit = (j & 1) ? data[b] & 0xF : data[b] >> 4;
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if (algoDigit >= 10)
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sprintf(sptr, "%c", 'A' + (algoDigit - 10));
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else
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sprintf(sptr, "%u", (uint32_t) algoDigit);
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sptr++;
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}
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*sptr = '\0';
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}
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static __thread x16r_context_overlay hex_ctx;
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int hex_hash( void* output, const void* input, const int thrid )
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{
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uint32_t _ALIGN(128) hash[16];
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x16r_context_overlay ctx;
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memcpy( &ctx, &hex_ctx, sizeof(ctx) );
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void *in = (void*) input;
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int size = 80;
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char elem = x16r_hash_order[0];
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uint8_t algo = elem >= 'A' ? elem - 'A' + 10 : elem - '0';
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for ( int i = 0; i < 16; i++ )
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{
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switch ( algo )
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{
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case BLAKE:
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sph_blake512_init( &ctx.blake );
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sph_blake512( &ctx.blake, in, size );
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sph_blake512_close( &ctx.blake, hash );
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break;
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case BMW:
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sph_bmw512_init( &ctx.bmw );
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sph_bmw512(&ctx.bmw, in, size);
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sph_bmw512_close(&ctx.bmw, hash);
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break;
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case GROESTL:
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#if defined(__AES__)
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groestl512_full( &ctx.groestl, (char*)hash, (char*)in, size<<3 );
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#else
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sph_groestl512_init( &ctx.groestl );
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sph_groestl512( &ctx.groestl, in, size );
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sph_groestl512_close(&ctx.groestl, hash);
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#endif
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break;
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case JH:
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if ( i == 0 )
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sph_jh512(&ctx.jh, in+64, 16 );
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else
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{
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sph_jh512_init( &ctx.jh );
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sph_jh512(&ctx.jh, in, size );
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}
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sph_jh512_close(&ctx.jh, hash );
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break;
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case KECCAK:
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sph_keccak512_init( &ctx.keccak );
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sph_keccak512( &ctx.keccak, in, size );
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sph_keccak512_close( &ctx.keccak, hash );
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break;
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case SKEIN:
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if ( i == 0 )
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sph_skein512(&ctx.skein, in+64, 16 );
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else
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{
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sph_skein512_init( &ctx.skein );
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sph_skein512( &ctx.skein, in, size );
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}
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sph_skein512_close( &ctx.skein, hash );
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break;
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case LUFFA:
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if ( i == 0 )
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update_and_final_luffa( &ctx.luffa, (BitSequence*)hash,
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(const BitSequence*)in+64, 16 );
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else
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{
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init_luffa( &ctx.luffa, 512 );
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update_and_final_luffa( &ctx.luffa, (BitSequence*)hash,
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(const BitSequence*)in, size );
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}
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break;
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case CUBEHASH:
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if ( i == 0 )
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cubehashUpdateDigest( &ctx.cube, (byte*)hash,
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(const byte*)in+64, 16 );
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else
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{
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cubehashInit( &ctx.cube, 512, 16, 32 );
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cubehashUpdateDigest( &ctx.cube, (byte*)hash,
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(const byte*)in, size );
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}
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break;
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case SHAVITE:
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shavite512_full( &ctx.shavite, hash, in, size );
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break;
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case SIMD:
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init_sd( &ctx.simd, 512 );
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update_final_sd( &ctx.simd, (BitSequence *)hash,
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(const BitSequence*)in, size<<3 );
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break;
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case ECHO:
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#if defined(__AES__)
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echo_full( &ctx.echo, (BitSequence *)hash, 512,
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(const BitSequence *)in, size );
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#else
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sph_echo512_init( &ctx.echo );
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sph_echo512( &ctx.echo, in, size );
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sph_echo512_close( &ctx.echo, hash );
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#endif
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break;
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case HAMSI:
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if ( i == 0 )
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sph_hamsi512( &ctx.hamsi, in+64, 16 );
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else
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{
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sph_hamsi512_init( &ctx.hamsi );
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sph_hamsi512( &ctx.hamsi, in, size );
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}
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sph_hamsi512_close( &ctx.hamsi, hash );
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break;
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case FUGUE:
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#if defined(__AES__)
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fugue512_full( &ctx.fugue, hash, in, size );
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#else
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sph_fugue512_full( &ctx.fugue, hash, in, size );
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#endif
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break;
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case SHABAL:
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if ( i == 0 )
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sph_shabal512( &ctx.shabal, in+64, 16 );
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else
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{
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sph_shabal512_init( &ctx.shabal );
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sph_shabal512( &ctx.shabal, in, size );
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}
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sph_shabal512_close( &ctx.shabal, hash );
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break;
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case WHIRLPOOL:
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if ( i == 0 )
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{
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sph_whirlpool( &ctx.whirlpool, in+64, 16 );
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sph_whirlpool_close( &ctx.whirlpool, hash );
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}
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else
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sph_whirlpool512_full( &ctx.whirlpool, hash, in, size );
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break;
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case SHA_512:
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sph_sha512_init( &ctx.sha512 );
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sph_sha512( &ctx.sha512, in, size );
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sph_sha512_close( &ctx.sha512, hash );
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break;
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}
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if ( work_restart[thrid].restart ) return 0;
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algo = (uint8_t)hash[0] % X16R_HASH_FUNC_COUNT;
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in = (void*) hash;
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size = 64;
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}
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memcpy(output, hash, 32);
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return 1;
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}
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int scanhash_hex( struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr )
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{
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uint32_t _ALIGN(128) hash32[8];
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uint32_t _ALIGN(128) edata[20];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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const uint32_t first_nonce = pdata[19];
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const uint32_t last_nonce = max_nonce;
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const int thr_id = mythr->id;
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uint32_t nonce = first_nonce;
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volatile uint8_t *restart = &(work_restart[thr_id].restart);
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const bool bench = opt_benchmark;
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if ( bench ) ptarget[7] = 0x0cff;
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mm128_bswap32_80( edata, pdata );
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static __thread uint32_t s_ntime = UINT32_MAX;
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uint32_t ntime = swab32(pdata[17]);
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if ( s_ntime != ntime )
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{
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hex_getAlgoString( (const uint32_t*) (&edata[1]), x16r_hash_order );
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s_ntime = ntime;
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if ( opt_debug && !thr_id )
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applog( LOG_INFO, "hash order %s (%08x)", x16r_hash_order, ntime );
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}
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// Do midstate prehash on hash functions with block size <= 64 bytes.
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const char elem = x16r_hash_order[0];
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const uint8_t algo = elem >= 'A' ? elem - 'A' + 10 : elem - '0';
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switch ( algo )
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{
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case JH:
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sph_jh512_init( &hex_ctx.jh );
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sph_jh512( &hex_ctx.jh, edata, 64 );
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break;
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case SKEIN:
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sph_skein512_init( &hex_ctx.skein );
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sph_skein512( &hex_ctx.skein, edata, 64 );
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break;
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case LUFFA:
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init_luffa( &hex_ctx.luffa, 512 );
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update_luffa( &hex_ctx.luffa, (const BitSequence*)edata, 64 );
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break;
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case CUBEHASH:
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cubehashInit( &hex_ctx.cube, 512, 16, 32 );
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cubehashUpdate( &hex_ctx.cube, (const byte*)edata, 64 );
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break;
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case HAMSI:
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sph_hamsi512_init( &hex_ctx.hamsi );
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sph_hamsi512( &hex_ctx.hamsi, edata, 64 );
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break;
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case SHABAL:
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sph_shabal512_init( &hex_ctx.shabal );
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sph_shabal512( &hex_ctx.shabal, edata, 64 );
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break;
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case WHIRLPOOL:
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sph_whirlpool_init( &hex_ctx.whirlpool );
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sph_whirlpool( &hex_ctx.whirlpool, edata, 64 );
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break;
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}
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do
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{
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edata[19] = nonce;
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if ( hex_hash( hash32, edata, thr_id ) );
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if ( unlikely( valid_hash( hash32, ptarget ) && !bench ) )
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{
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be32enc( &pdata[19], nonce );
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submit_solution( work, hash32, mythr );
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}
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nonce++;
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} while ( nonce < last_nonce && !(*restart) );
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce;
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return 0;
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}
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