Reduce libcpuid size.

This commit is contained in:
XMRig 2017-06-08 04:16:55 +03:00
parent b11f95d248
commit da02e9a3a2
8 changed files with 28 additions and 1767 deletions

View file

@ -32,8 +32,6 @@
#include "libcpuid.h"
#include "libcpuid_util.h"
int _current_verboselevel;
void match_features(const struct feature_map_t* matchtable, int count, uint32_t reg, struct cpu_id_t* data)
{
int i;
@ -42,118 +40,6 @@ void match_features(const struct feature_map_t* matchtable, int count, uint32_t
data->flags[matchtable[i].feature] = 1;
}
static void default_warn(const char *msg)
{
fprintf(stderr, "%s", msg);
}
libcpuid_warn_fn_t _warn_fun = default_warn;
#if defined(_MSC_VER)
# define vsnprintf _vsnprintf
#endif
void warnf(const char* format, ...)
{
char buff[1024];
va_list va;
if (!_warn_fun) return;
va_start(va, format);
vsnprintf(buff, sizeof(buff), format, va);
va_end(va);
_warn_fun(buff);
}
void debugf(int verboselevel, const char* format, ...)
{
char buff[1024];
va_list va;
if (verboselevel > _current_verboselevel) return;
va_start(va, format);
vsnprintf(buff, sizeof(buff), format, va);
va_end(va);
_warn_fun(buff);
}
static int popcount64(uint64_t mask)
{
int num_set_bits = 0;
while (mask) {
mask &= mask - 1;
num_set_bits++;
}
return num_set_bits;
}
static int score(const struct match_entry_t* entry, const struct cpu_id_t* data,
int brand_code, uint64_t bits, int model_code)
{
int res = 0;
if (entry->family == data->family ) res += 2;
if (entry->model == data->model ) res += 2;
if (entry->stepping == data->stepping ) res += 2;
if (entry->ext_family == data->ext_family) res += 2;
if (entry->ext_model == data->ext_model ) res += 2;
if (entry->ncores == data->num_cores ) res += 2;
if (entry->l2cache == data->l2_cache ) res += 1;
if (entry->l3cache == data->l3_cache ) res += 1;
if (entry->brand_code == brand_code ) res += 2;
if (entry->model_code == model_code ) res += 2;
res += popcount64(entry->model_bits & bits) * 2;
return res;
}
int match_cpu_codename(const struct match_entry_t* matchtable, int count,
struct cpu_id_t* data, int brand_code, uint64_t bits,
int model_code)
{
int bestscore = -1;
int bestindex = 0;
int i, t;
debugf(3, "Matching cpu f:%d, m:%d, s:%d, xf:%d, xm:%d, ncore:%d, l2:%d, bcode:%d, bits:%llu, code:%d\n",
data->family, data->model, data->stepping, data->ext_family,
data->ext_model, data->num_cores, data->l2_cache, brand_code, (unsigned long long) bits, model_code);
for (i = 0; i < count; i++) {
t = score(&matchtable[i], data, brand_code, bits, model_code);
debugf(3, "Entry %d, `%s', score %d\n", i, matchtable[i].name, t);
if (t > bestscore) {
debugf(2, "Entry `%s' selected - best score so far (%d)\n", matchtable[i].name, t);
bestscore = t;
bestindex = i;
}
}
strcpy(data->cpu_codename, matchtable[bestindex].name);
return bestscore;
}
void generic_get_cpu_list(const struct match_entry_t* matchtable, int count,
struct cpu_list_t* list)
{
int i, j, n, good;
n = 0;
list->names = (char**) malloc(sizeof(char*) * count);
for (i = 0; i < count; i++) {
if (strstr(matchtable[i].name, "Unknown")) continue;
good = 1;
for (j = n - 1; j >= 0; j--)
if (!strcmp(list->names[j], matchtable[i].name)) {
good = 0;
break;
}
if (!good) continue;
#if defined(_MSC_VER)
list->names[n++] = _strdup(matchtable[i].name);
#else
list->names[n++] = strdup(matchtable[i].name);
#endif
}
list->num_entries = n;
}
static int xmatch_entry(char c, const char* p)
{
int i, j;
@ -205,14 +91,3 @@ int match_all(uint64_t bits, uint64_t mask)
{
return (bits & mask) == mask;
}
void debug_print_lbits(int debuglevel, uint64_t mask)
{
int i, first = 0;
for (i = 0; i < 64; i++) if (mask & (((uint64_t) 1) << i)) {
if (first) first = 0;
else debugf(2, " + ");
debugf(2, "LBIT(%d)", i);
}
debugf(2, "\n");
}