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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) 2002-2017 Nicholas Nethercote
11       njn@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 // If arg is a command line option configuring I1 or D1 or LL cache,
48 // then parses arg to set the relevant cache_t elements.
49 // Returns True if arg is a cache command line option, False otherwise.
50 Bool VG_(str_clo_cache_opt)(const HChar *arg,
51                             cache_t* clo_I1c,
52                             cache_t* clo_D1c,
53                             cache_t* clo_LLc);
54 
55 // Checks the correctness of the auto-detected caches.
56 // If a cache has been configured by command line options, it
57 // replaces the equivalent auto-detected cache.
58 // Note that an invalid auto-detected cache will make Valgrind exit
59 // with an fatal error, except if the invalid auto-detected cache
60 // will be replaced by a command line defined cache.
61 void VG_(post_clo_init_configure_caches)(cache_t* I1c,
62                                          cache_t* D1c,
63                                          cache_t* LLc,
64                                          cache_t* clo_I1c,
65                                          cache_t* clo_D1c,
66                                          cache_t* clo_LLc);
67 
68 void VG_(print_cache_clo_opts)(void);
69 
70 #endif   // __CG_ARCH_H
71 
72 /*--------------------------------------------------------------------*/
73 /*--- end                                                          ---*/
74 /*--------------------------------------------------------------------*/
75