bool isLeftAssociative() { return ASSOC_LEFT == associativity(); }
bool isRightAssociative() { return ASSOC_RIGHT == associativity(); }
static char *create_description(const struct cache_desc_index_t *idx)
{
const struct cache_desc_t *desc = &idx->desc;
char buffer[128], temp[32];
const char *cp;
buffer[0] = 0;
/* Special cases. */
switch(idx->descriptor) {
case 0x40:
sprintf(buffer, "No L2 cache, or if L2 cache exists, no L3 cache");
goto out;
case 0xF0:
sprintf(buffer, "64-byte prefetching");
goto out;
case 0xF1:
sprintf(buffer, "64-byte prefetching");
goto out;
}
switch(desc->level) {
case NO:
break;
case L0:
strcat(buffer, "L0 ");
break;
case L1:
strcat(buffer, "L1 ");
break;
case L2:
strcat(buffer, "L2 ");
break;
case L3:
strcat(buffer, "L3 ");
break;
default:
abort();
}
switch (desc->type) {
case TRACE:
strcat(buffer, "trace cache: ");
sprintf(temp, "%dK-uops", desc->size);
strcat(buffer, temp);
break;
case DATA_TLB:
strcat(buffer, "Data TLB: ");
break;
case CODE_TLB:
strcat(buffer, "Code TLB: ");
break;
case SHARED_TLB:
strcat(buffer, "shared TLB: ");
break;
case CODE:
strcat(buffer, "code cache: ");
strcat(buffer, size(temp, desc->size));
break;
case DATA:
strcat(buffer, "data cache: ");
strcat(buffer, size(temp, desc->size));
break;
case UNIFIED:
strcat(buffer, "cache: ");
strcat(buffer, size(temp, desc->size));
break;
default:
abort();
}
cp = page_types(desc->attrs);
if (cp) {
strcat(buffer, page_types(desc->attrs));
}
if (desc->assoc != 0) {
strcat(buffer, ", ");
strcat(buffer, associativity(temp, desc->assoc));
}
if (desc->attrs & SECTORED)
strcat(buffer, ", sectored cache");
switch (desc->type) {
case CODE:
case DATA:
case UNIFIED:
sprintf(temp, ", %d byte line size", desc->linesize);
strcat(buffer, temp);
break;
case DATA_TLB:
case CODE_TLB:
case SHARED_TLB:
sprintf(temp, ", %d entries", desc->size);
strcat(buffer, temp);
break;
default:
break;
}
if (desc->attrs & ECC)
strcat(buffer, ", ECC");
if (desc->attrs & UNDOCUMENTED)
strcat(buffer, " (undocumented)");
out:
return strdup(buffer);
}
