sim/common/sim-hw.h

   1 /* Device definitions.
   2    Copyright (C) 1998-2022 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB, the GNU debugger.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef SIM_HW_H
  21 #define SIM_HW_H
  22
  23 #include <stdarg.h>
  24
  25 #include "ansidecl.h"
  26
  27 /* Parse a hardware definition */
  28
  29 struct hw *sim_hw_parse
  30 (struct sim_state *sd,
  31  const char *fmt,
  32  ...) ATTRIBUTE_PRINTF (2, 3);
  33
  34
  35 /* Print the hardware tree */
  36
  37 void sim_hw_print
  38 (struct sim_state *sd,
  39  void (*print) (struct sim_state *, const char *, va_list ap));
  40
  41
  42 /* Abort the simulation specifying HW as the reason */
  43
  44 void sim_hw_abort
  45 (SIM_DESC sd,
  46  struct hw *hw,
  47  const char *fmt,
  48  ...) ATTRIBUTE_PRINTF (3, 4) ATTRIBUTE_NORETURN;
  49
  50
  51
  52 /* CPU: The simulation is running and the current CPU/CIA
  53    initiates a data transfer. */
  54
  55 void sim_cpu_hw_io_read_buffer
  56 (sim_cpu *cpu,
  57  sim_cia cia,
  58  struct hw *hw,
  59  void *dest,
  60  int space,
  61  unsigned_word addr,
  62  unsigned nr_bytes);
  63
  64 void sim_cpu_hw_io_write_buffer
  65 (sim_cpu *cpu,
  66  sim_cia cia,
  67  struct hw *hw,
  68  const void *source,
  69  int space,
  70  unsigned_word addr,
  71  unsigned nr_bytes);
  72
  73
  74
  75 /* SYSTEM: A data transfer is being initiated by the system. */
  76
  77 unsigned sim_hw_io_read_buffer
  78 (struct sim_state *sd,
  79  struct hw *hw,
  80  void *dest,
  81  int space,
  82  unsigned_word addr,
  83  unsigned nr_bytes);
  84
  85 unsigned sim_hw_io_write_buffer
  86 (struct sim_state *sd,
  87  struct hw *hw,
  88  const void *source,
  89  int space,
  90  unsigned_word addr,
  91  unsigned nr_bytes);
  92
  93
  94 #endif