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litecoincash-project
GitHub Repository: litecoincash-project/cpuminer-multi
 Path: blob/master/scryptjane/scrypt-jane-salsa.h
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#define SCRYPT_MIX_BASE "Salsa20/8"

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typedef uint32_t scrypt_mix_word_t;

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#define SCRYPT_WORDTO8_LE U32TO8_LE

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#define SCRYPT_WORD_ENDIAN_SWAP U32_SWAP

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#define SCRYPT_BLOCK_BYTES 64

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#define SCRYPT_BLOCK_WORDS (SCRYPT_BLOCK_BYTES / sizeof(scrypt_mix_word_t))

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/* must have these here in case block bytes is ever != 64 */

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#include "scrypt-jane-romix-basic.h"

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#include "scrypt-jane-mix_salsa-avx.h"

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#include "scrypt-jane-mix_salsa-sse2.h"

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#include "scrypt-jane-mix_salsa.h"

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#if defined(SCRYPT_SALSA_AVX)

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	#define SCRYPT_CHUNKMIX_FN scrypt_ChunkMix_avx

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	#define SCRYPT_ROMIX_FN scrypt_ROMix_avx

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	#define SCRYPT_ROMIX_TANGLE_FN salsa_core_tangle_sse2

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	#define SCRYPT_ROMIX_UNTANGLE_FN salsa_core_tangle_sse2

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	#include "scrypt-jane-romix-template.h"

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#endif

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#if defined(SCRYPT_SALSA_SSE2)

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	#define SCRYPT_CHUNKMIX_FN scrypt_ChunkMix_sse2

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	#define SCRYPT_ROMIX_FN scrypt_ROMix_sse2

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	#define SCRYPT_MIX_FN salsa_core_sse2

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	#define SCRYPT_ROMIX_TANGLE_FN salsa_core_tangle_sse2

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	#define SCRYPT_ROMIX_UNTANGLE_FN salsa_core_tangle_sse2

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	#include "scrypt-jane-romix-template.h"

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#endif

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/* cpu agnostic */

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#define SCRYPT_ROMIX_FN scrypt_ROMix_basic

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#define SCRYPT_MIX_FN salsa_core_basic

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#define SCRYPT_ROMIX_TANGLE_FN scrypt_romix_convert_endian

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#define SCRYPT_ROMIX_UNTANGLE_FN scrypt_romix_convert_endian

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#include "scrypt-jane-romix-template.h"

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#if !defined(SCRYPT_CHOOSE_COMPILETIME)

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static scrypt_ROMixfn

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scrypt_getROMix() {

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	size_t cpuflags = detect_cpu();

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#if defined(SCRYPT_SALSA_AVX)

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	if (cpuflags & cpu_avx)

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		return scrypt_ROMix_avx;

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	else

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#endif

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#if defined(SCRYPT_SALSA_SSE2)

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	if (cpuflags & cpu_sse2)

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		return scrypt_ROMix_sse2;

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	else

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#endif

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	return scrypt_ROMix_basic;

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}

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#endif

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#if defined(SCRYPT_TEST_SPEED)

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static size_t

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available_implementations() {

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	size_t cpuflags = detect_cpu();

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	size_t flags = 0;

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#if defined(SCRYPT_SALSA_AVX)

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	if (cpuflags & cpu_avx)

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		flags |= cpu_avx;

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#endif

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#if defined(SCRYPT_SALSA_SSE2)

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	if (cpuflags & cpu_sse2)

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		flags |= cpu_sse2;

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#endif

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	return flags;

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}

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#endif

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static int

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scrypt_test_mix() {

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	static const uint8_t expected[16] = {

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		0x41,0x1f,0x2e,0xa3,0xab,0xa3,0x1a,0x34,0x87,0x1d,0x8a,0x1c,0x76,0xa0,0x27,0x66,

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	};

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	int ret = 1;

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	size_t cpuflags = detect_cpu();

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#if defined(SCRYPT_SALSA_AVX)

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	if (cpuflags & cpu_avx)

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		ret &= scrypt_test_mix_instance(scrypt_ChunkMix_avx, salsa_core_tangle_sse2, salsa_core_tangle_sse2, expected);

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#endif

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#if defined(SCRYPT_SALSA_SSE2)

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	if (cpuflags & cpu_sse2)

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		ret &= scrypt_test_mix_instance(scrypt_ChunkMix_sse2, salsa_core_tangle_sse2, salsa_core_tangle_sse2, expected);

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#endif

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#if defined(SCRYPT_SALSA_BASIC)

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	ret &= scrypt_test_mix_instance(scrypt_ChunkMix_basic, scrypt_romix_convert_endian, scrypt_romix_convert_endian, expected);

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#endif

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	return ret;

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}

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