sim/ppc/psim.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef _PSIM_H_
  23 #define _PSIM_H_
  24
  25 #ifndef INLINE_PSIM
  26 #define INLINE_PSIM
  27 #endif
  28
  29
  30 #include "basics.h"
  31
  32 /* the system object */
  33
  34 typedef struct _psim psim;
  35
  36
  37 /* when the `system' stops, find out why.  FIXME - at this point this
  38    is really a bit puzzling.  After all, how can there be a status
  39    when there several processors involved */
  40
  41 typedef struct _psim_status {
  42   int cpu_nr;
  43   stop_reason reason;
  44   int signal;
  45   unsigned_word program_counter;
  46 } psim_status;
  47
  48
  49 /* create a new simulator */
  50
  51 extern psim *psim_create
  52 (const char *file_name,
  53  int nr_processors);
  54
  55
  56 /* Given the created simulator load either its low or high memory */
  57
  58 extern void psim_load
  59 (psim *system);
  60
  61 extern void psim_stack
  62 (psim *system,
  63  char **argv,
  64  char **envp);
  65
  66
  67 /* Run/stop the system */
  68
  69 extern void psim_step
  70 (psim *system);
  71
  72 extern void psim_run
  73 (psim *system);
  74
  75 extern void psim_run_until_stop
  76 (psim *system,
  77  volatile int *stop);
  78
  79 extern void psim_restart
  80 (psim *system,
  81  int cpu_nr);
  82
  83 extern void psim_halt
  84 (psim *system,
  85  int cpu_nr,
  86  unsigned_word cia,
  87  stop_reason reason,
  88  int signal);
  89
  90 extern psim_status psim_get_status
  91 (psim *system);
  92
  93
  94 /* reveal the internals of the simulation, giving access to the cpu's */
  95
  96 extern cpu *psim_cpu
  97 (psim *system,
  98  int cpu_nr);
  99
 100
 101 /* manipulate the state (registers or memory) of a processor within
 102    the system.  In the case of memory, the read/write is performed
 103    using the specified processors address translation tables */
 104
 105 extern void psim_read_register
 106 (psim *system,
 107  int which_processor,
 108  void *host_ordered_buf,
 109  const char reg[],
 110  transfer_mode mode);
 111
 112 extern void psim_write_register
 113 (psim *system,
 114  int which_processor,
 115  const void *host_ordered_buf,
 116  const char reg[],
 117  transfer_mode mode);
 118
 119 extern unsigned psim_read_memory
 120 (psim *system,
 121  int which_processor,
 122  void *buf,
 123  unsigned_word vaddr,
 124  unsigned len,
 125  transfer_mode mode);
 126
 127 extern unsigned psim_write_memory
 128 (psim *system,
 129  int which_processor,
 130  const void *buf,
 131  unsigned_word vaddr,
 132  unsigned len,
 133  transfer_mode mode,
 134  int violate_read_only_section);
 135
 136 extern void psim_print_info
 137 (psim *system,
 138  int verbose);
 139
 140 #endif /* _PSIM_H_ */