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/* stats.h -- Header file for stats.c

   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org

   Copyright (C) 2008 Embecosm Limited

   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

   This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.

   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; either version 3 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, see <http://www.gnu.org/licenses/>.  */

/* This program is commented throughout in a fashion suitable for processing

   with Doxygen. */

#ifndef STATS__H

#define STATS__H

/* Package includes */

#include "opcode/or32.h"

#define RAW_RANGE  1000

struct bpbstat

{

  int hit;

  int miss;

  int correct;

  int incorrect;

};

struct bticstat

{

  int hit;

  int miss;

};

struct mstats_entry

{

  int byteadd;

  int bf[2][2];                 /* [taken][fwd/bwd] */

  int bnf[2][2];                /* [taken][fwd/bwd] */

  struct bpbstat bpb;

  struct bticstat btic;

};                              /*!< misc units stats */

struct cachestats_entry

{

  int readhit;

  int readmiss;

  int writehit;

  int writemiss;

};                              /*!< cache stats */

struct immustats_entry

{

  int fetch_tlbhit;

  int fetch_tlbmiss;

  int fetch_pagefaults;

};                              /*!< IMMU stats */

struct dmmustats_entry

{

  int loads_tlbhit;

  int loads_tlbmiss;

  int loads_pagefaults;

  int stores_tlbhit;

  int stores_tlbmiss;

  int stores_pagefaults;

};                              /*!< DMMU stats */

struct raw_stats

{

  int reg[64];

  int range[RAW_RANGE];

};                              /*!< RAW hazard stats */

/* Globally visible data structures */

extern struct mstats_entry      or1k_mstats;

extern struct cachestats_entry  ic_stats;

extern struct cachestats_entry  dc_stats;

extern struct immustats_entry   immu_stats;

extern struct dmmustats_entry   dmmu_stats;

extern struct raw_stats         raw_stats;

/* Function prototypes for external use */

extern void addsstats (int item, int cnt_dynamic);

extern void adddstats (int item1, int item2, int cnt_dynamic, int depend);

extern void addfstats (enum insn_type item1, enum insn_type item2,

                       int cnt_dynamic, int depend);

extern void initstats ();

extern void printstats ();

#endif  /*  STATS__H */