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Add SSE2 check. If we are checking, we might just as well do it thoroughly.

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This commit is contained in:
fireice-uk
2017-01-05 20:57:09 +00:00
parent 4ee8f08851
commit 523c63731c
2 changed files with 16 additions and 14 deletions
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cli-miner.cpp
+6 -7
View File
@@ -27,7 +27,6 @@
#ifdef _WIN32
void win_exit()
{
printer::inst()->print_str("Press any key to exit.");
get_key();
return;
@@ -64,6 +63,12 @@ int main(int argc, char *argv[])
return 0;
}
if (!minethd::self_test())
{
win_exit();
return 0;
}
printer::inst()->print_str("-------------------------------------------------------------------\n");
printer::inst()->print_str("XMR-Stak-CPU mining software, CPU Version.\n");
printer::inst()->print_str("Based on CPU mining code by wolf9466 (heavily optimized by myself).\n");
@@ -77,12 +82,6 @@ int main(int argc, char *argv[])
printer::inst()->print_str("'c' - connection\n");
printer::inst()->print_str("-------------------------------------------------------------------\n");
if (!minethd::self_test())
{
win_exit();
return 0;
}
executor::inst()->ex_start();
int key;
minethd.cpp
+10 -7
View File
@@ -174,23 +174,26 @@ cryptonight_ctx* minethd_alloc_ctx()
return nullptr; //Should never happen
}
static bool check_for_aesni()
static bool check_cpu_features()
{
constexpr int AESNI_BIT = 1 << 25;
constexpr int SSE2_BIT = 1 << 26;
int cpu_info[4];
#ifdef _WIN32
__cpuid(cpu_info, 1);
#else
__cpuid(1, cpu_info[0], cpu_info[1], cpu_info[2], cpu_info[3]);
#endif
return (cpu_info[2] & AESNI_BIT) != 0;
return (cpu_info[2] & AESNI_BIT) != 0 &&
(cpu_info[3] & SSE2_BIT) != 0;
}
bool minethd::self_test()
{
if (!check_for_aesni())
if (!check_cpu_features())
{
printer::inst()->print_msg(L0, "Your CPU does not support the AES-NI instruction set");
printer::inst()->print_msg(L0, "This application requires CPU support of AES-NI and SSE2 instructions.");
return false;
}
@@ -246,15 +249,15 @@ bool minethd::self_test()
bResult = memcmp(out, "\xa0\x84\xf0\x1d\x14\x37\xa0\x9c\x69\x85\x40\x1b\x60\xd4\x35\x54\xae\x10\x58\x02\xc5\xf5\xd8\xa9\xb3\x25\x36\x49\xc0\xbe\x66\x05", 32) == 0;
cryptonight_double_hash_ctx("The quick brown fox jumps over the lazy dogThe quick brown fox jumps over the lazy log", 43, out, ctx0, ctx1);
bResult &= memcmp(out, "\x3e\xbb\x7f\x9f\x7d\x27\x3d\x7c\x31\x8d\x86\x94\x77\x55\x0c\xc8\x00\xcf\xb1\x1b\x0c\xad\xb7\xff\xbd\xf6\xf8\x9f\x3a\x47\x1c\x59"
"\xb4\x77\xd5\x02\xe4\xd8\x48\x7f\x42\xdf\xe3\x8e\xed\x73\x81\x7a\xda\x91\xb7\xe2\x63\xd2\x91\x71\xb6\x5c\x44\x3a\x01\x2a\x41\x22", 64) == 0;
bResult &= memcmp(out, "\x3e\xbb\x7f\x9f\x7d\x27\x3d\x7c\x31\x8d\x86\x94\x77\x55\x0c\xc8\x00\xcf\xb1\x1b\x0c\xad\xb7\xff\xbd\xf6\xf8\x9f\x3a\x47\x1c\x59"
"\xb4\x77\xd5\x02\xe4\xd8\x48\x7f\x42\xdf\xe3\x8e\xed\x73\x81\x7a\xda\x91\xb7\xe2\x63\xd2\x91\x71\xb6\x5c\x44\x3a\x01\x2a\x41\x22", 64) == 0;
cryptonight_free_ctx(ctx0);
cryptonight_free_ctx(ctx1);
if(!bResult)
printer::inst()->print_msg(L0,
"Cryptonight hash self-test failed. This might be caused by bad compiler optimizations.");
"Cryptonight hash self-test failed. This might be caused by bad compiler optimizations.");
return bResult;
}