fzorb/REDACTED-rig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added generic Argon2 implementation (conflicts with RandomX).

Browse source
This commit is contained in:
XMRig 2019-08-16 00:31:29 +07:00
parent df58821655
commit 0c25424a3e
53 changed files with 5140 additions and 126 deletions
Download patch file Download diff file Expand all files Collapse all files

91
src/3rdparty/argon2/arch/x86_64/lib/cpu-flags.c vendored Normal file
View file

@ -0,0 +1,91 @@
#include "cpu-flags.h"
#include <cpuid.h>
enum {
X86_64_FEATURE_SSE2 = (1 << 0),
X86_64_FEATURE_SSSE3 = (1 << 1),
X86_64_FEATURE_XOP = (1 << 2),
X86_64_FEATURE_AVX2 = (1 << 3),
X86_64_FEATURE_AVX512F = (1 << 4),
};
static unsigned int cpu_flags;
static unsigned int get_cpuid(int ext, unsigned int level, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
unsigned int eax;
__cpuid(ext ? (0x80000000 | level) : level,
eax, *ebx, *ecx, *edx);
return eax;
}
static unsigned int get_cpuid_count(int ext, unsigned int level,
unsigned int count, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
unsigned int eax;
__cpuid_count(ext ? (0x80000000 | level) : level,
count, eax, *ebx, *ecx, *edx);
return 1;
}
void cpu_flags_get(void)
{
unsigned int ebx, ecx, edx;
unsigned int level, level_ext;
cpu_flags = 0;
level = get_cpuid(0, 0, &ebx, &ecx, &edx);
level_ext = get_cpuid(1, 0, &ebx, &ecx, &edx);
if (level >= 1 && get_cpuid(0, 1, &ebx, &ecx, &edx)) {
if (edx & (1 << 26)) {
cpu_flags |= X86_64_FEATURE_SSE2;
}
if (ecx & (1 << 9)) {
cpu_flags |= X86_64_FEATURE_SSSE3;
}
}
if (level >= 7 && get_cpuid_count(0, 7, 0, &ebx, &ecx, &edx)) {
if (ebx & (1 << 5)) {
cpu_flags |= X86_64_FEATURE_AVX2;
}
if (ebx & (1 << 16)) {
cpu_flags |= X86_64_FEATURE_AVX512F;
}
}
if (level_ext >= 1 && get_cpuid(1, 1, &ebx, &ecx, &edx)) {
if (ecx & (1 << 11)) {
cpu_flags |= X86_64_FEATURE_XOP;
}
}
/* FIXME: check also OS support! */
}
int cpu_flags_have_sse2(void)
{
return cpu_flags & X86_64_FEATURE_SSE2;
}
int cpu_flags_have_ssse3(void)
{
return cpu_flags & X86_64_FEATURE_SSSE3;
}
int cpu_flags_have_xop(void)
{
return cpu_flags & X86_64_FEATURE_XOP;
}
int cpu_flags_have_avx2(void)
{
return cpu_flags & X86_64_FEATURE_AVX2;
}
int cpu_flags_have_avx512f(void)
{
return cpu_flags & X86_64_FEATURE_AVX512F;
}