|
|
|
@ -28,13 +28,13 @@ static void via_sha256(void *hash, void *buf, unsigned len)
@@ -28,13 +28,13 @@ static void via_sha256(void *hash, void *buf, unsigned len)
|
|
|
|
|
:"memory"); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
bool scanhash_via(const unsigned char *midstate, const unsigned char *data_in, |
|
|
|
|
unsigned char *hash1, unsigned char *hash, |
|
|
|
|
unsigned long *hashes_done) |
|
|
|
|
bool scanhash_via(unsigned char *data_inout, unsigned long *hashes_done) |
|
|
|
|
{ |
|
|
|
|
unsigned char data[128] __attribute__((aligned(128))); |
|
|
|
|
unsigned char tmp_hash[32] __attribute__((aligned(128))); |
|
|
|
|
unsigned char tmp_hash1[32] __attribute__((aligned(128))); |
|
|
|
|
uint32_t *hash32 = (uint32_t *) hash; |
|
|
|
|
uint32_t *data32 = (uint32_t *) data; |
|
|
|
|
uint32_t *hash32 = (uint32_t *) tmp_hash; |
|
|
|
|
uint32_t *nonce = (uint32_t *)(data + 64 + 12); |
|
|
|
|
uint32_t n = 0; |
|
|
|
|
unsigned long stat_ctr = 0; |
|
|
|
@ -45,10 +45,8 @@ bool scanhash_via(const unsigned char *midstate, const unsigned char *data_in,
@@ -45,10 +45,8 @@ bool scanhash_via(const unsigned char *midstate, const unsigned char *data_in,
|
|
|
|
|
* in order to permit the hardware to swap everything |
|
|
|
|
* back to BE again (extra work). |
|
|
|
|
*/ |
|
|
|
|
for (i = 0; i < 128/4; i++) { |
|
|
|
|
uint32_t *data32 = (uint32_t *) data; |
|
|
|
|
data32[i] = swab32(((uint32_t *)data_in)[i]); |
|
|
|
|
} |
|
|
|
|
for (i = 0; i < 128/4; i++) |
|
|
|
|
data32[i] = swab32(((uint32_t *)data_inout)[i]); |
|
|
|
|
|
|
|
|
|
while (1) { |
|
|
|
|
n++; |
|
|
|
@ -63,20 +61,28 @@ bool scanhash_via(const unsigned char *midstate, const unsigned char *data_in,
@@ -63,20 +61,28 @@ bool scanhash_via(const unsigned char *midstate, const unsigned char *data_in,
|
|
|
|
|
swab32(((uint32_t *)tmp_hash1)[i]); |
|
|
|
|
|
|
|
|
|
/* second SHA256 transform */ |
|
|
|
|
memcpy(hash, sha256_init_state, 32); |
|
|
|
|
via_sha256(hash, tmp_hash1, 32); |
|
|
|
|
memcpy(tmp_hash, sha256_init_state, 32); |
|
|
|
|
via_sha256(tmp_hash, tmp_hash1, 32); |
|
|
|
|
|
|
|
|
|
stat_ctr++; |
|
|
|
|
|
|
|
|
|
if (hash32[7] == 0) { |
|
|
|
|
char *hexstr; |
|
|
|
|
|
|
|
|
|
hexstr = bin2hex(hash, 32); |
|
|
|
|
hexstr = bin2hex(tmp_hash, 32); |
|
|
|
|
fprintf(stderr, |
|
|
|
|
"DBG: found zeroes in hash:\n%s\n", |
|
|
|
|
hexstr); |
|
|
|
|
free(hexstr); |
|
|
|
|
|
|
|
|
|
/* swap nonce'd data back into original storage area;
|
|
|
|
|
* TODO: only swap back the nonce, rather than all data |
|
|
|
|
*/ |
|
|
|
|
for (i = 0; i < 128/4; i++) { |
|
|
|
|
uint32_t *dout32 = (uint32_t *) data_inout; |
|
|
|
|
dout32[i] = swab32(data32[i]); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
*hashes_done = stat_ctr; |
|
|
|
|
return true; |
|
|
|
|
} |
|
|
|
|