Subversion Repositories or1k

/* dyn_rec.h -- Recompiler specific definitions
   Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.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. */
 
 
#ifndef DYN_REC_H
#define DYN_REC_H
 
struct x_ref {
  void *dyn_addr; /* Recompiled address */
  oraddr_t or_addr; /* The or address of the x-ref (physical) */
  unsigned int ref; /* How many times the x-ref is referenced */
  struct x_ref *next;
};
 
/* Each dynamically recompiled page has one of these */
struct dyn_page {
  oraddr_t or_page;
  void *host_page;
  unsigned int host_len;
  int carrys_delay_slot; /* Is the delay-slot of the last insn on the next page?*/
  int dirty; /* Is recompiled page invalid? */
  struct x_ref *xrefs; /* what's referenced in this page */
  struct x_ref **held_xrefs; /* The xrefs that this page holds */
  int delayr; /* delayr of memory backing this page */
  uint16_t ts[4096]; /* What registers the temporaries back */
  struct dyn_page *next;
};
 
struct dyn_page *find_dynd_page(oraddr_t addr);
struct x_ref *find_host_x_ref(struct x_ref *x_refs, oraddr_t addr);
struct x_ref *add_to_xrefs(struct dyn_page *dp, oraddr_t addr);
void recompile_page(struct dyn_page *dyn);
struct dyn_page *new_dp(oraddr_t page);
void add_to_held_xrefs(struct dyn_page *dp, struct x_ref *xref);
void add_to_opq(struct op_queue *opq, int end, int op);
void add_to_op_params(struct op_queue *opq, int end, unsigned long param);
void *enough_host_page(struct dyn_page *dp, void *cur, unsigned int *len,
                       unsigned int amount);
void dirtyfy_page(struct dyn_page *dp);
struct x_ref *find_held_x_ref(struct x_ref **held_xrefs, oraddr_t or_addr);
void init_dyn_recomp(void);
void jump_dyn_code(oraddr_t addr);
void dump_xrefs(struct dyn_page *dp, FILE *f);
void run_sched_out_of_line(int add_normal);
void recheck_immu(int got_en_dis);
 
#define IMMU_GOT_ENABLED 1
#define IMMU_GOT_DISABLED 2
 
#define NUM_RFE_HELD 100
 
#endif