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      1 
      2 /*--------------------------------------------------------------------*/
      3 /*--- Arch-specific declarations, cache configuration.   cg_arch.h ---*/
      4 /*--------------------------------------------------------------------*/
      5 
      6 /*
      7    This file is part of Cachegrind, a Valgrind tool for cache
      8    profiling programs.
      9 
     10    Copyright (C) 2002-2012 Nicholas Nethercote
     11       njn (at) valgrind.org
     12 
     13    This program is free software; you can redistribute it and/or
     14    modify it under the terms of the GNU General Public License as
     15    published by the Free Software Foundation; either version 2 of the
     16    License, or (at your option) any later version.
     17 
     18    This program is distributed in the hope that it will be useful, but
     19    WITHOUT ANY WARRANTY; without even the implied warranty of
     20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     21    General Public License for more details.
     22 
     23    You should have received a copy of the GNU General Public License
     24    along with this program; if not, write to the Free Software
     25    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     26    02111-1307, USA.
     27 
     28    The GNU General Public License is contained in the file COPYING.
     29 */
     30 
     31 #ifndef __CG_ARCH_H
     32 #define __CG_ARCH_H
     33 
     34 // For cache simulation
     35 typedef struct {
     36    Int size;       // bytes
     37    Int assoc;
     38    Int line_size;  // bytes
     39 } cache_t;
     40 
     41 #define MIN_LINE_SIZE         16
     42 
     43 // clo_*c used in the call to VG_(str_clo_cache_opt) should be statically
     44 // initialized to UNDEFINED_CACHE.
     45 #define UNDEFINED_CACHE     { -1, -1, -1 }
     46 
     47 // Gives the auto-detected configuration of I1, D1 and LL caches.  They get
     48 // overridden by any cache configurations specified on the command line.
     49 void VG_(configure_caches)(cache_t* I1c, cache_t* D1c, cache_t* LLc,
     50                            Bool all_caches_clo_defined);
     51 
     52 // If arg is a command line option configuring I1 or D1 or LL cache,
     53 // then parses arg to set the relevant cache_t elements.
     54 // Returns True if arg is a cache command line option, False otherwise.
     55 Bool VG_(str_clo_cache_opt)(Char *arg,
     56                             cache_t* clo_I1c,
     57                             cache_t* clo_D1c,
     58                             cache_t* clo_LLc);
     59 
     60 // Checks the correctness of the auto-detected caches.
     61 // If a cache has been configured by command line options, it
     62 // replaces the equivalent auto-detected cache.
     63 // Note that an invalid auto-detected cache will make Valgrind exit
     64 // with an fatal error, except if the invalid auto-detected cache
     65 // will be replaced by a command line defined cache.
     66 void VG_(post_clo_init_configure_caches)(cache_t* I1c,
     67                                          cache_t* D1c,
     68                                          cache_t* LLc,
     69                                          cache_t* clo_I1c,
     70                                          cache_t* clo_D1c,
     71                                          cache_t* clo_LLc);
     72 
     73 void VG_(print_cache_clo_opts)(void);
     74 
     75 #endif   // __CG_ARCH_H
     76 
     77 /*--------------------------------------------------------------------*/
     78 /*--- end                                                          ---*/
     79 /*--------------------------------------------------------------------*/
     80