sim/example-synacor/example-synacor-sim.h

   1 /* Example synacor simulator.
   2
   3    Copyright (C) 2005-2024 Free Software Foundation, Inc.
   4    Contributed by Mike Frysinger.
   5
   6    This file is part of the GNU simulators.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef EXAMPLE_SYNACOR_SIM_H
  22 #define EXAMPLE_SYNACOR_SIM_H
  23
  24 struct example_sim_cpu {
  25   uint16_t regs[8];
  26   sim_cia pc;
  27
  28   /* This isn't a real register, and the stack is not directly addressable,
  29      so use memory outside of the 16-bit address space.  */
  30   uint32_t sp;
  31 };
  32
  33 #define EXAMPLE_SIM_CPU(cpu) ((struct example_sim_cpu *) CPU_ARCH_DATA (cpu))
  34
  35 extern void step_once (SIM_CPU *);
  36 extern void initialize_cpu (SIM_DESC, SIM_CPU *);
  37
  38 #endif