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/* execute.h -- Header file for architecture dependent execute.c

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

This file is part of 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */

#if DYNAMIC_EXECUTION

#include "dyn_rec.h"

#endif

struct cpu_state {

  /* General purpose registers. */

  uorreg_t reg[MAX_GPRS];

  /* Sprs */

  uorreg_t sprs[MAX_SPRS];

  /* Effective address of instructions that have an effective address.  This is

   * only used to get dump_exe_log correct */

  oraddr_t insn_ea;

  /* Is current instruction in execution in a delay slot? */

  int delay_insn;

  /* Program counter (and translated PC) */

  oraddr_t pc;

  /* Delay instruction effective address register */

  oraddr_t pc_delay;

  /* Decoding of the just executed instruction.  Only used in analysis(). */

  struct iqueue_entry iqueue;

  /* decoding of the instruction that was executed before this one.  Only used

   * in analysis(). */

  struct iqueue_entry icomplet;

#if DYNAMIC_EXECUTION

  /* Current page in execution */

  struct dyn_page *curr_page;

  /* Linked list of recompiled pages with their status */

  struct dyn_page *dyn_pages;

  /* Micro operation queue.  Only used to speed up recompile_page */

  struct op_queue *opqs;

  /* Cross references that reference the jumps from the infinite loop

   * instruction (l.j 0) */

  struct x_ref *inf_xrefs;

  /* rfe cross-reference cache */

  struct x_ref **rfe_held_xrefs;

  unsigned int rfe_held_xref_pos;

  /* Set if all temporaries are stored */

  int ts_current;

  /* The contents of the temporaries.  Only used in except_handle */

  uorreg_t t0;

  uorreg_t t1;

  uorreg_t t2;

#endif

};

extern struct cpu_state cpu_state;

#define CURINSN(INSN) (strcmp(cur->insn, (INSN)) == 0)

/*extern machword eval_operand(char *srcoperand,int* breakpoint);

extern void set_operand(char *dstoperand, unsigned long value,int* breakpoint);*/

void dumpreg();

inline void dump_exe_log();

inline int cpu_clock ();

void cpu_reset ();

uorreg_t evalsim_reg(unsigned int regno);

void setsim_reg(unsigned int regno, uorreg_t value);

extern oraddr_t pcnext;

int depend_operands(struct iqueue_entry *prev, struct iqueue_entry *next);