sha256_cryptopp: Add crypto++ 32-bit assembly implementation
This commit is contained in:
Jeff Garzik
Jeff Garzik
parent
1a1a018627
commit
f1fcd76ba7
3 changed files with 518 additions and 2 deletions
19
cpu-miner.c
19
cpu-miner.c
|
|
@ -39,7 +39,8 @@ enum sha256_algos {
|
|||
ALGO_C, /* plain C */
|
||||
ALGO_4WAY, /* parallel SSE2 */
|
||||
ALGO_VIA, /* VIA padlock */
|
||||
ALGO_CRYPTOPP, /* Crypto++ */
|
||||
ALGO_CRYPTOPP, /* Crypto++ (C) */
|
||||
ALGO_CRYPTOPP_ASM32, /* Crypto++ 32-bit assembly */
|
||||
};
|
||||
|
||||
static const char *algo_names[] = {
|
||||
|
|
@ -51,6 +52,9 @@ static const char *algo_names[] = {
|
|||
[ALGO_VIA] = "via",
|
||||
#endif
|
||||
[ALGO_CRYPTOPP] = "cryptopp",
|
||||
#ifdef WANT_CRYPTOPP_ASM32
|
||||
[ALGO_CRYPTOPP_ASM32] = "cryptopp_asm32",
|
||||
#endif
|
||||
};
|
||||
|
||||
bool opt_debug = false;
|
||||
|
|
@ -82,6 +86,9 @@ static struct option_help options_help[] = {
|
|||
"\n\tvia\t\tVIA padlock implementation"
|
||||
#endif
|
||||
"\n\tcryptopp\tCrypto++ library implementation (EXPERIMENTAL)"
|
||||
#ifdef WANT_CRYPTOPP_ASM32
|
||||
"\n\tcryptopp_asm32\tCrypto++ library implementation (EXPERIMENTAL)"
|
||||
#endif
|
||||
},
|
||||
|
||||
{ "debug",
|
||||
|
|
@ -294,6 +301,16 @@ static void *miner_thread(void *thr_id_int)
|
|||
work.hash1, work.hash, &hashes_done);
|
||||
break;
|
||||
|
||||
#ifdef WANT_CRYPTOPP_ASM32
|
||||
case ALGO_CRYPTOPP_ASM32:
|
||||
rc = scanhash_asm32(work.midstate, work.data + 64,
|
||||
work.hash1, work.hash, &hashes_done);
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
/* should never happen */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
hashmeter(thr_id, &tv_start, hashes_done);
|
||||
|
|
|
|||
7
miner.h
7
miner.h
|
|
@ -14,6 +14,10 @@
|
|||
#define WANT_VIA_PADLOCK 1
|
||||
#endif
|
||||
|
||||
#if defined(__i386__)
|
||||
#define WANT_CRYPTOPP_ASM32
|
||||
#endif
|
||||
|
||||
#ifndef ARRAY_SIZE
|
||||
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
|
||||
#endif
|
||||
|
|
@ -40,6 +44,9 @@ extern bool scanhash_c(const unsigned char *midstate, unsigned char *data,
|
|||
extern bool scanhash_cryptopp(const unsigned char *midstate,unsigned char *data,
|
||||
unsigned char *hash1, unsigned char *hash,
|
||||
unsigned long *hashes_done);
|
||||
extern bool scanhash_asm32(const unsigned char *midstate,unsigned char *data,
|
||||
unsigned char *hash1, unsigned char *hash,
|
||||
unsigned long *hashes_done);
|
||||
|
||||
extern int
|
||||
timeval_subtract (struct timeval *result, struct timeval *x, struct timeval *y);
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ static const word32 SHA256_K[64] = {
|
|||
|
||||
static void SHA256_Transform(word32 *state, const word32 *data)
|
||||
{
|
||||
word32 W[16];
|
||||
word32 W[16] = { };
|
||||
word32 T[8];
|
||||
unsigned int j;
|
||||
|
||||
|
|
@ -131,3 +131,495 @@ bool scanhash_cryptopp(const unsigned char *midstate, unsigned char *data,
|
|||
}
|
||||
}
|
||||
|
||||
#if defined(WANT_CRYPTOPP_ASM32)
|
||||
|
||||
#define CRYPTOPP_FASTCALL
|
||||
#define CRYPTOPP_BOOL_X86 1
|
||||
#define CRYPTOPP_BOOL_X64 0
|
||||
#define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0
|
||||
|
||||
#ifdef CRYPTOPP_GENERATE_X64_MASM
|
||||
#define AS1(x) x*newline*
|
||||
#define AS2(x, y) x, y*newline*
|
||||
#define AS3(x, y, z) x, y, z*newline*
|
||||
#define ASS(x, y, a, b, c, d) x, y, a*64+b*16+c*4+d*newline*
|
||||
#define ASL(x) label##x:*newline*
|
||||
#define ASJ(x, y, z) x label##y*newline*
|
||||
#define ASC(x, y) x label##y*newline*
|
||||
#define AS_HEX(y) 0##y##h
|
||||
#elif defined(_MSC_VER) || defined(__BORLANDC__)
|
||||
#define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY
|
||||
#define AS1(x) __asm {x}
|
||||
#define AS2(x, y) __asm {x, y}
|
||||
#define AS3(x, y, z) __asm {x, y, z}
|
||||
#define ASS(x, y, a, b, c, d) __asm {x, y, (a)*64+(b)*16+(c)*4+(d)}
|
||||
#define ASL(x) __asm {label##x:}
|
||||
#define ASJ(x, y, z) __asm {x label##y}
|
||||
#define ASC(x, y) __asm {x label##y}
|
||||
#define CRYPTOPP_NAKED __declspec(naked)
|
||||
#define AS_HEX(y) 0x##y
|
||||
#else
|
||||
#define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY
|
||||
// define these in two steps to allow arguments to be expanded
|
||||
#define GNU_AS1(x) #x ";"
|
||||
#define GNU_AS2(x, y) #x ", " #y ";"
|
||||
#define GNU_AS3(x, y, z) #x ", " #y ", " #z ";"
|
||||
#define GNU_ASL(x) "\n" #x ":"
|
||||
#define GNU_ASJ(x, y, z) #x " " #y #z ";"
|
||||
#define AS1(x) GNU_AS1(x)
|
||||
#define AS2(x, y) GNU_AS2(x, y)
|
||||
#define AS3(x, y, z) GNU_AS3(x, y, z)
|
||||
#define ASS(x, y, a, b, c, d) #x ", " #y ", " #a "*64+" #b "*16+" #c "*4+" #d ";"
|
||||
#define ASL(x) GNU_ASL(x)
|
||||
#define ASJ(x, y, z) GNU_ASJ(x, y, z)
|
||||
#define ASC(x, y) #x " " #y ";"
|
||||
#define CRYPTOPP_NAKED
|
||||
#define AS_HEX(y) 0x##y
|
||||
#endif
|
||||
|
||||
#define IF0(y)
|
||||
#define IF1(y) y
|
||||
|
||||
#ifdef CRYPTOPP_GENERATE_X64_MASM
|
||||
#define ASM_MOD(x, y) ((x) MOD (y))
|
||||
#define XMMWORD_PTR XMMWORD PTR
|
||||
#else
|
||||
// GNU assembler doesn't seem to have mod operator
|
||||
#define ASM_MOD(x, y) ((x)-((x)/(y))*(y))
|
||||
// GAS 2.15 doesn't support XMMWORD PTR. it seems necessary only for MASM
|
||||
#define XMMWORD_PTR
|
||||
#endif
|
||||
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
#define AS_REG_1 ecx
|
||||
#define AS_REG_2 edx
|
||||
#define AS_REG_3 esi
|
||||
#define AS_REG_4 edi
|
||||
#define AS_REG_5 eax
|
||||
#define AS_REG_6 ebx
|
||||
#define AS_REG_7 ebp
|
||||
#define AS_REG_1d ecx
|
||||
#define AS_REG_2d edx
|
||||
#define AS_REG_3d esi
|
||||
#define AS_REG_4d edi
|
||||
#define AS_REG_5d eax
|
||||
#define AS_REG_6d ebx
|
||||
#define AS_REG_7d ebp
|
||||
#define WORD_SZ 4
|
||||
#define WORD_REG(x) e##x
|
||||
#define WORD_PTR DWORD PTR
|
||||
#define AS_PUSH_IF86(x) AS1(push e##x)
|
||||
#define AS_POP_IF86(x) AS1(pop e##x)
|
||||
#define AS_JCXZ jecxz
|
||||
#elif CRYPTOPP_BOOL_X64
|
||||
#ifdef CRYPTOPP_GENERATE_X64_MASM
|
||||
#define AS_REG_1 rcx
|
||||
#define AS_REG_2 rdx
|
||||
#define AS_REG_3 r8
|
||||
#define AS_REG_4 r9
|
||||
#define AS_REG_5 rax
|
||||
#define AS_REG_6 r10
|
||||
#define AS_REG_7 r11
|
||||
#define AS_REG_1d ecx
|
||||
#define AS_REG_2d edx
|
||||
#define AS_REG_3d r8d
|
||||
#define AS_REG_4d r9d
|
||||
#define AS_REG_5d eax
|
||||
#define AS_REG_6d r10d
|
||||
#define AS_REG_7d r11d
|
||||
#else
|
||||
#define AS_REG_1 rdi
|
||||
#define AS_REG_2 rsi
|
||||
#define AS_REG_3 rdx
|
||||
#define AS_REG_4 rcx
|
||||
#define AS_REG_5 r8
|
||||
#define AS_REG_6 r9
|
||||
#define AS_REG_7 r10
|
||||
#define AS_REG_1d edi
|
||||
#define AS_REG_2d esi
|
||||
#define AS_REG_3d edx
|
||||
#define AS_REG_4d ecx
|
||||
#define AS_REG_5d r8d
|
||||
#define AS_REG_6d r9d
|
||||
#define AS_REG_7d r10d
|
||||
#endif
|
||||
#define WORD_SZ 8
|
||||
#define WORD_REG(x) r##x
|
||||
#define WORD_PTR QWORD PTR
|
||||
#define AS_PUSH_IF86(x)
|
||||
#define AS_POP_IF86(x)
|
||||
#define AS_JCXZ jrcxz
|
||||
#endif
|
||||
|
||||
static void CRYPTOPP_FASTCALL X86_SHA256_HashBlocks(word32 *state, const word32 *data, size_t len
|
||||
#if defined(_MSC_VER) && (_MSC_VER == 1200)
|
||||
, ... // VC60 workaround: prevent VC 6 from inlining this function
|
||||
#endif
|
||||
)
|
||||
{
|
||||
#if defined(_MSC_VER) && (_MSC_VER == 1200)
|
||||
AS2(mov ecx, [state])
|
||||
AS2(mov edx, [data])
|
||||
#endif
|
||||
|
||||
#define LOCALS_SIZE 8*4 + 16*4 + 4*WORD_SZ
|
||||
#define H(i) [BASE+ASM_MOD(1024+7-(i),8)*4]
|
||||
#define G(i) H(i+1)
|
||||
#define F(i) H(i+2)
|
||||
#define E(i) H(i+3)
|
||||
#define D(i) H(i+4)
|
||||
#define C(i) H(i+5)
|
||||
#define B(i) H(i+6)
|
||||
#define A(i) H(i+7)
|
||||
#define Wt(i) BASE+8*4+ASM_MOD(1024+15-(i),16)*4
|
||||
#define Wt_2(i) Wt((i)-2)
|
||||
#define Wt_15(i) Wt((i)-15)
|
||||
#define Wt_7(i) Wt((i)-7)
|
||||
#define K_END [BASE+8*4+16*4+0*WORD_SZ]
|
||||
#define STATE_SAVE [BASE+8*4+16*4+1*WORD_SZ]
|
||||
#define DATA_SAVE [BASE+8*4+16*4+2*WORD_SZ]
|
||||
#define DATA_END [BASE+8*4+16*4+3*WORD_SZ]
|
||||
#define Kt(i) WORD_REG(si)+(i)*4
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
#define BASE esp+4
|
||||
#elif defined(__GNUC__)
|
||||
#define BASE r8
|
||||
#else
|
||||
#define BASE rsp
|
||||
#endif
|
||||
|
||||
#define RA0(i, edx, edi) \
|
||||
AS2( add edx, [Kt(i)] )\
|
||||
AS2( add edx, [Wt(i)] )\
|
||||
AS2( add edx, H(i) )\
|
||||
|
||||
#define RA1(i, edx, edi)
|
||||
|
||||
#define RB0(i, edx, edi)
|
||||
|
||||
#define RB1(i, edx, edi) \
|
||||
AS2( mov AS_REG_7d, [Wt_2(i)] )\
|
||||
AS2( mov edi, [Wt_15(i)])\
|
||||
AS2( mov ebx, AS_REG_7d )\
|
||||
AS2( shr AS_REG_7d, 10 )\
|
||||
AS2( ror ebx, 17 )\
|
||||
AS2( xor AS_REG_7d, ebx )\
|
||||
AS2( ror ebx, 2 )\
|
||||
AS2( xor ebx, AS_REG_7d )/* s1(W_t-2) */\
|
||||
AS2( add ebx, [Wt_7(i)])\
|
||||
AS2( mov AS_REG_7d, edi )\
|
||||
AS2( shr AS_REG_7d, 3 )\
|
||||
AS2( ror edi, 7 )\
|
||||
AS2( add ebx, [Wt(i)])/* s1(W_t-2) + W_t-7 + W_t-16 */\
|
||||
AS2( xor AS_REG_7d, edi )\
|
||||
AS2( add edx, [Kt(i)])\
|
||||
AS2( ror edi, 11 )\
|
||||
AS2( add edx, H(i) )\
|
||||
AS2( xor AS_REG_7d, edi )/* s0(W_t-15) */\
|
||||
AS2( add AS_REG_7d, ebx )/* W_t = s1(W_t-2) + W_t-7 + s0(W_t-15) W_t-16*/\
|
||||
AS2( mov [Wt(i)], AS_REG_7d)\
|
||||
AS2( add edx, AS_REG_7d )\
|
||||
|
||||
#define ROUND(i, r, eax, ecx, edi, edx)\
|
||||
/* in: edi = E */\
|
||||
/* unused: eax, ecx, temp: ebx, AS_REG_7d, out: edx = T1 */\
|
||||
AS2( mov edx, F(i) )\
|
||||
AS2( xor edx, G(i) )\
|
||||
AS2( and edx, edi )\
|
||||
AS2( xor edx, G(i) )/* Ch(E,F,G) = (G^(E&(F^G))) */\
|
||||
AS2( mov AS_REG_7d, edi )\
|
||||
AS2( ror edi, 6 )\
|
||||
AS2( ror AS_REG_7d, 25 )\
|
||||
RA##r(i, edx, edi )/* H + Wt + Kt + Ch(E,F,G) */\
|
||||
AS2( xor AS_REG_7d, edi )\
|
||||
AS2( ror edi, 5 )\
|
||||
AS2( xor AS_REG_7d, edi )/* S1(E) */\
|
||||
AS2( add edx, AS_REG_7d )/* T1 = S1(E) + Ch(E,F,G) + H + Wt + Kt */\
|
||||
RB##r(i, edx, edi )/* H + Wt + Kt + Ch(E,F,G) */\
|
||||
/* in: ecx = A, eax = B^C, edx = T1 */\
|
||||
/* unused: edx, temp: ebx, AS_REG_7d, out: eax = A, ecx = B^C, edx = E */\
|
||||
AS2( mov ebx, ecx )\
|
||||
AS2( xor ecx, B(i) )/* A^B */\
|
||||
AS2( and eax, ecx )\
|
||||
AS2( xor eax, B(i) )/* Maj(A,B,C) = B^((A^B)&(B^C) */\
|
||||
AS2( mov AS_REG_7d, ebx )\
|
||||
AS2( ror ebx, 2 )\
|
||||
AS2( add eax, edx )/* T1 + Maj(A,B,C) */\
|
||||
AS2( add edx, D(i) )\
|
||||
AS2( mov D(i), edx )\
|
||||
AS2( ror AS_REG_7d, 22 )\
|
||||
AS2( xor AS_REG_7d, ebx )\
|
||||
AS2( ror ebx, 11 )\
|
||||
AS2( xor AS_REG_7d, ebx )\
|
||||
AS2( add eax, AS_REG_7d )/* T1 + S0(A) + Maj(A,B,C) */\
|
||||
AS2( mov H(i), eax )\
|
||||
|
||||
#define SWAP_COPY(i) \
|
||||
AS2( mov WORD_REG(bx), [WORD_REG(dx)+i*WORD_SZ])\
|
||||
AS1( bswap WORD_REG(bx))\
|
||||
AS2( mov [Wt(i*(1+CRYPTOPP_BOOL_X64)+CRYPTOPP_BOOL_X64)], WORD_REG(bx))
|
||||
|
||||
#if defined(__GNUC__)
|
||||
#if CRYPTOPP_BOOL_X64
|
||||
FixedSizeAlignedSecBlock<byte, LOCALS_SIZE> workspace;
|
||||
#endif
|
||||
__asm__ __volatile__
|
||||
(
|
||||
#if CRYPTOPP_BOOL_X64
|
||||
"lea %4, %%r8;"
|
||||
#endif
|
||||
".intel_syntax noprefix;"
|
||||
#elif defined(CRYPTOPP_GENERATE_X64_MASM)
|
||||
ALIGN 8
|
||||
X86_SHA256_HashBlocks PROC FRAME
|
||||
rex_push_reg rsi
|
||||
push_reg rdi
|
||||
push_reg rbx
|
||||
push_reg rbp
|
||||
alloc_stack(LOCALS_SIZE+8)
|
||||
.endprolog
|
||||
mov rdi, r8
|
||||
lea rsi, [?SHA256_K@CryptoPP@@3QBIB + 48*4]
|
||||
#endif
|
||||
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
#ifndef __GNUC__
|
||||
AS2( mov edi, [len])
|
||||
AS2( lea WORD_REG(si), [SHA256_K+48*4])
|
||||
#endif
|
||||
#if !defined(_MSC_VER) || (_MSC_VER < 1400)
|
||||
AS_PUSH_IF86(bx)
|
||||
#endif
|
||||
|
||||
AS_PUSH_IF86(bp)
|
||||
AS2( mov ebx, esp)
|
||||
AS2( and esp, -16)
|
||||
AS2( sub WORD_REG(sp), LOCALS_SIZE)
|
||||
AS_PUSH_IF86(bx)
|
||||
#endif
|
||||
AS2( mov STATE_SAVE, WORD_REG(cx))
|
||||
AS2( mov DATA_SAVE, WORD_REG(dx))
|
||||
AS2( lea WORD_REG(ax), [WORD_REG(di) + WORD_REG(dx)])
|
||||
AS2( mov DATA_END, WORD_REG(ax))
|
||||
AS2( mov K_END, WORD_REG(si))
|
||||
|
||||
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
AS2( test edi, 1)
|
||||
ASJ( jnz, 2, f)
|
||||
AS1( dec DWORD PTR K_END)
|
||||
#endif
|
||||
AS2( movdqa xmm0, XMMWORD_PTR [WORD_REG(cx)+0*16])
|
||||
AS2( movdqa xmm1, XMMWORD_PTR [WORD_REG(cx)+1*16])
|
||||
#endif
|
||||
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
|
||||
ASJ( jmp, 0, f)
|
||||
#endif
|
||||
ASL(2) // non-SSE2
|
||||
AS2( mov esi, ecx)
|
||||
AS2( lea edi, A(0))
|
||||
AS2( mov ecx, 8)
|
||||
AS1( rep movsd)
|
||||
AS2( mov esi, K_END)
|
||||
ASJ( jmp, 3, f)
|
||||
#endif
|
||||
|
||||
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
|
||||
ASL(0)
|
||||
AS2( movdqa E(0), xmm1)
|
||||
AS2( movdqa A(0), xmm0)
|
||||
#endif
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
ASL(3)
|
||||
#endif
|
||||
AS2( sub WORD_REG(si), 48*4)
|
||||
SWAP_COPY(0) SWAP_COPY(1) SWAP_COPY(2) SWAP_COPY(3)
|
||||
SWAP_COPY(4) SWAP_COPY(5) SWAP_COPY(6) SWAP_COPY(7)
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
SWAP_COPY(8) SWAP_COPY(9) SWAP_COPY(10) SWAP_COPY(11)
|
||||
SWAP_COPY(12) SWAP_COPY(13) SWAP_COPY(14) SWAP_COPY(15)
|
||||
#endif
|
||||
AS2( mov edi, E(0)) // E
|
||||
AS2( mov eax, B(0)) // B
|
||||
AS2( xor eax, C(0)) // B^C
|
||||
AS2( mov ecx, A(0)) // A
|
||||
|
||||
ROUND(0, 0, eax, ecx, edi, edx)
|
||||
ROUND(1, 0, ecx, eax, edx, edi)
|
||||
ROUND(2, 0, eax, ecx, edi, edx)
|
||||
ROUND(3, 0, ecx, eax, edx, edi)
|
||||
ROUND(4, 0, eax, ecx, edi, edx)
|
||||
ROUND(5, 0, ecx, eax, edx, edi)
|
||||
ROUND(6, 0, eax, ecx, edi, edx)
|
||||
ROUND(7, 0, ecx, eax, edx, edi)
|
||||
ROUND(8, 0, eax, ecx, edi, edx)
|
||||
ROUND(9, 0, ecx, eax, edx, edi)
|
||||
ROUND(10, 0, eax, ecx, edi, edx)
|
||||
ROUND(11, 0, ecx, eax, edx, edi)
|
||||
ROUND(12, 0, eax, ecx, edi, edx)
|
||||
ROUND(13, 0, ecx, eax, edx, edi)
|
||||
ROUND(14, 0, eax, ecx, edi, edx)
|
||||
ROUND(15, 0, ecx, eax, edx, edi)
|
||||
|
||||
ASL(1)
|
||||
AS2(add WORD_REG(si), 4*16)
|
||||
ROUND(0, 1, eax, ecx, edi, edx)
|
||||
ROUND(1, 1, ecx, eax, edx, edi)
|
||||
ROUND(2, 1, eax, ecx, edi, edx)
|
||||
ROUND(3, 1, ecx, eax, edx, edi)
|
||||
ROUND(4, 1, eax, ecx, edi, edx)
|
||||
ROUND(5, 1, ecx, eax, edx, edi)
|
||||
ROUND(6, 1, eax, ecx, edi, edx)
|
||||
ROUND(7, 1, ecx, eax, edx, edi)
|
||||
ROUND(8, 1, eax, ecx, edi, edx)
|
||||
ROUND(9, 1, ecx, eax, edx, edi)
|
||||
ROUND(10, 1, eax, ecx, edi, edx)
|
||||
ROUND(11, 1, ecx, eax, edx, edi)
|
||||
ROUND(12, 1, eax, ecx, edi, edx)
|
||||
ROUND(13, 1, ecx, eax, edx, edi)
|
||||
ROUND(14, 1, eax, ecx, edi, edx)
|
||||
ROUND(15, 1, ecx, eax, edx, edi)
|
||||
AS2( cmp WORD_REG(si), K_END)
|
||||
ASJ( jb, 1, b)
|
||||
|
||||
AS2( mov WORD_REG(dx), DATA_SAVE)
|
||||
AS2( add WORD_REG(dx), 64)
|
||||
AS2( mov AS_REG_7, STATE_SAVE)
|
||||
AS2( mov DATA_SAVE, WORD_REG(dx))
|
||||
|
||||
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
AS2( test DWORD PTR K_END, 1)
|
||||
ASJ( jz, 4, f)
|
||||
#endif
|
||||
AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_7+1*16])
|
||||
AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_7+0*16])
|
||||
AS2( paddd xmm1, E(0))
|
||||
AS2( paddd xmm0, A(0))
|
||||
AS2( movdqa [AS_REG_7+1*16], xmm1)
|
||||
AS2( movdqa [AS_REG_7+0*16], xmm0)
|
||||
AS2( cmp WORD_REG(dx), DATA_END)
|
||||
ASJ( jb, 0, b)
|
||||
#endif
|
||||
|
||||
#if CRYPTOPP_BOOL_X86
|
||||
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
|
||||
ASJ( jmp, 5, f)
|
||||
ASL(4) // non-SSE2
|
||||
#endif
|
||||
AS2( add [AS_REG_7+0*4], ecx) // A
|
||||
AS2( add [AS_REG_7+4*4], edi) // E
|
||||
AS2( mov eax, B(0))
|
||||
AS2( mov ebx, C(0))
|
||||
AS2( mov ecx, D(0))
|
||||
AS2( add [AS_REG_7+1*4], eax)
|
||||
AS2( add [AS_REG_7+2*4], ebx)
|
||||
AS2( add [AS_REG_7+3*4], ecx)
|
||||
AS2( mov eax, F(0))
|
||||
AS2( mov ebx, G(0))
|
||||
AS2( mov ecx, H(0))
|
||||
AS2( add [AS_REG_7+5*4], eax)
|
||||
AS2( add [AS_REG_7+6*4], ebx)
|
||||
AS2( add [AS_REG_7+7*4], ecx)
|
||||
AS2( mov ecx, AS_REG_7d)
|
||||
AS2( cmp WORD_REG(dx), DATA_END)
|
||||
ASJ( jb, 2, b)
|
||||
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
|
||||
ASL(5)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
AS_POP_IF86(sp)
|
||||
AS_POP_IF86(bp)
|
||||
#if !defined(_MSC_VER) || (_MSC_VER < 1400)
|
||||
AS_POP_IF86(bx)
|
||||
#endif
|
||||
|
||||
#ifdef CRYPTOPP_GENERATE_X64_MASM
|
||||
add rsp, LOCALS_SIZE+8
|
||||
pop rbp
|
||||
pop rbx
|
||||
pop rdi
|
||||
pop rsi
|
||||
ret
|
||||
X86_SHA256_HashBlocks ENDP
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
".att_syntax prefix;"
|
||||
:
|
||||
: "c" (state), "d" (data), "S" (SHA256_K+48), "D" (len)
|
||||
#if CRYPTOPP_BOOL_X64
|
||||
, "m" (workspace[0])
|
||||
#endif
|
||||
: "memory", "cc", "%eax"
|
||||
#if CRYPTOPP_BOOL_X64
|
||||
, "%rbx", "%r8", "%r10"
|
||||
#endif
|
||||
);
|
||||
#endif
|
||||
}
|
||||
|
||||
static inline bool HasSSE2(void) { return false; }
|
||||
|
||||
static void SHA256_Transform32(word32 *state, const word32 *data)
|
||||
{
|
||||
word32 W[16];
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
W[i] = ((word32 *)(data))[i];
|
||||
|
||||
X86_SHA256_HashBlocks(state, W, 16 * 4);
|
||||
}
|
||||
|
||||
static void runhash32(void *state, const void *input, const void *init)
|
||||
{
|
||||
memcpy(state, init, 32);
|
||||
SHA256_Transform32(state, input);
|
||||
}
|
||||
|
||||
/* suspiciously similar to ScanHash* from bitcoin */
|
||||
bool scanhash_asm32(const unsigned char *midstate, unsigned char *data,
|
||||
unsigned char *hash1, unsigned char *hash,
|
||||
unsigned long *hashes_done)
|
||||
{
|
||||
uint32_t *hash32 = (uint32_t *) hash;
|
||||
uint32_t *nonce = (uint32_t *)(data + 12);
|
||||
uint32_t n = 0;
|
||||
unsigned long stat_ctr = 0;
|
||||
|
||||
while (1) {
|
||||
n++;
|
||||
*nonce = n;
|
||||
|
||||
runhash32(hash1, data, midstate);
|
||||
runhash32(hash, hash1, sha256_init_state);
|
||||
|
||||
stat_ctr++;
|
||||
|
||||
if (hash32[7] == 0) {
|
||||
char *hexstr;
|
||||
|
||||
hexstr = bin2hex(hash, 32);
|
||||
fprintf(stderr,
|
||||
"DBG: found zeroes in hash:\n%s\n",
|
||||
hexstr);
|
||||
free(hexstr);
|
||||
|
||||
*hashes_done = stat_ctr;
|
||||
return true;
|
||||
}
|
||||
|
||||
if ((n & 0xffffff) == 0) {
|
||||
if (opt_debug)
|
||||
fprintf(stderr, "DBG: end of nonce range\n");
|
||||
*hashes_done = stat_ctr;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif // #if defined(WANT_CRYPTOPP_ASM32)
|
||||
|
|
|
|||
Loading…
Reference in a new issue