util.h

/* ----------------------------------------------------------------------- *
 *
 *   Copyright 2016 Clémentine Maurice
 *   Copyright 2021 Guillaume Didier
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 *   Boston MA 02110-1301, USA; either version 2 of the License, or
 *   (at your option) any later version. *    
 *    
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *   
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * ----------------------------------------------------------------------- */


#ifndef HIDEMINMAX
#define MAX(X, Y) (((X) > (Y)) ? (X) : (Y))
#define MIN(X, Y) (((X) < (Y)) ? (X) : (Y))
#endif

#define clflush(p) asm volatile("clflush (%0)" ::"r"(p));

int is_intel();
int get_cpu_architecture();
int get_cpu_model();
int partition(int a[], int l, int r);
void quicksort(int a[], int l, int r);
void print_cpu();
int is_powerof_two(int x);
void print_bin(uint64_t val);
int kth_bit(int n, int k);
int comp(int n);
uint64_t rdtsc_nofence();
uint64_t rdtsc();
uint64_t rdtsc_begin();
uint64_t rdtsc_end();
void maccess(void *p);
void flush(void *p);
void prefetch(void *p);
void longnop();
uintptr_t read_pagemap(char *path_buf, uintptr_t virt_addr);
int get_cache_slice(uint64_t phys_addr, int nb_cores);
size_t flush_hit(char *addr);
int same_slice(size_t *hit_histogram);
unsigned long threads_per_core();
unsigned long threads_per_package();
unsigned long cores_per_package();
unsigned long apicid2coreid(unsigned long apicid, int *map_apicid,
                            int *map_coreid);
int *mapping_coreid();
int *mapping_apicid();
unsigned long current_apic(void);
unsigned long current_core(void);