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      1 /* -*- mode: C; c-basic-offset: 3; -*- */
      2 
      3 /*--------------------------------------------------------------------*/
      4 /*--- s390x-specific definitions.                       cg-s390x.c ---*/
      5 /*--------------------------------------------------------------------*/
      6 
      7 /*
      8    This file is part of Cachegrind, a Valgrind tool for cache
      9    profiling programs.
     10 
     11    Copyright IBM Corp. 2010-2011
     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 /* Contributed by Christian Borntraeger */
     32 
     33 #if defined(VGA_s390x)
     34 
     35 #include "pub_tool_basics.h"
     36 #include "pub_tool_libcbase.h"
     37 #include "pub_tool_libcassert.h"
     38 #include "pub_tool_libcprint.h"
     39 
     40 #include "cg_arch.h"
     41 
     42 void VG_(configure_caches)(cache_t* I1c, cache_t* D1c, cache_t* L2c,
     43                            Bool all_caches_clo_defined)
     44 {
     45    // z900
     46    //
     47    // Source:
     48    // The microarchitecture of the IBM eServer z900 processor
     49    // IBM Journal of Research and Development
     50    // Volume 46, Number 4/5, pp 381-395, July/September 2002
     51    //
     52    // Split L1 I/D cache
     53    // Size: 256 kB each
     54    // Line size: 256 bytes
     55    // 4-way set associative
     56    // L2 cache: 16 MB x 2 (16 MB per 10 CPs)  (Charles Webb)
     57 
     58    // z800
     59    //
     60    // Source:  Charles Webb from IBM
     61    //
     62    // Split L1 I/D cache
     63    // Size: 256 kB each
     64    // Line size: 256 bytes
     65    // 4-way set associative
     66    // L2 cache: 16 MB  (or half that size)
     67 
     68    // z990
     69    //
     70    // The IBM eServer z990 microprocessor
     71    // IBM Journal of Research and Development
     72    // Volume 48, Number 3/4, pp 295-309, May/July 2004
     73    //
     74    // Split L1 I/D cache
     75    // Size: 256 kB each
     76    // Line size: 256 bytes
     77    // 4-way set associative
     78    // L2 cache: 32 MB x 4 (32 MB per book/node)  (Charles Webb)
     79 
     80    // z890
     81    //
     82    // Source:  Charles Webb from IBM
     83    //
     84    // Split L1 I/D cache
     85    // Size: 256 kB each
     86    // Line size: 256 bytes
     87    // 4-way set associative
     88    // L2 cache: 32 MB  (or half that size)
     89 
     90    // z9
     91    //
     92    // Source:  Charles Webb from IBM
     93    //
     94    // Split L1 I/D cache
     95    // Size: 256 kB each
     96    // Line size: 256 bytes
     97    // 4-way set associative
     98    // L2 cache: 40 MB x 4 (40 MB per book/node)
     99 
    100 
    101    // Set caches to z10 default.
    102    // See IBM Journal of Research and Development
    103    // Issue Date: Jan. 2009
    104    // Volume: 53 Issue:1
    105    // fixs390: have a table for all available models and check /proc/cpuinfo
    106    *I1c = (cache_t) {   65536,  4, 256 };
    107    *D1c = (cache_t) {  131072,  8, 256 };
    108    *L2c = (cache_t) { 3145728, 12, 256 };
    109 
    110    // Warn if config not completely specified from cmd line.  Note that
    111    // this message is slightly different from the one we give on x86/AMD64
    112    // when auto-detection fails;  this lets us filter out this one (which is
    113    // not important) in the regression test suite without filtering the
    114    // x86/AMD64 one (which we want to see if it ever occurs in the
    115    // regression test suite).
    116    //
    117    // If you change this message, please update
    118    // cachegrind/tests/filter_stderr!
    119    //
    120    if (!all_caches_clo_defined) {
    121       VG_(dmsg)("Warning: Cannot auto-detect cache config on s390x, using one "
    122                 "or more defaults \n");
    123    }
    124 }
    125 
    126 #endif
    127 
    128 /*--------------------------------------------------------------------*/
    129 /*--- end                                               cg-s390x.c ---*/
    130 /*--------------------------------------------------------------------*/
    131