sim/rl78/mem.h

   1 /* mem.h --- interface to memory for RL78 simulator.
   2
   3    Copyright (C) 2011-2024 Free Software Foundation, Inc.
   4    Contributed by Red Hat, Inc.
   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
  22 #ifndef SIM_RL78_MEM_H_
  23 #define SIM_RL78_MEM_H_
  24
  25 #define MEM_SIZE 0x100000
  26
  27 /* Only for cpu.c to use.  */
  28 extern unsigned char memory[];
  29
  30 void init_mem (void);
  31
  32 void mem_set_mirror (int rom_base, int ram_base, int length);
  33
  34 /* Pass the amount of bytes, like 2560 for 2.5k  */
  35 void mem_ram_size (int ram_bytes);
  36 void mem_rom_size (int rom_bytes);
  37
  38 void mem_put_qi (int address, unsigned char value);
  39 void mem_put_hi (int address, unsigned short value);
  40 void mem_put_psi (int address, unsigned long value);
  41 void mem_put_si (int address, unsigned long value);
  42
  43 void mem_put_blk (int address, const void *bufptr, int nbytes);
  44
  45 unsigned char mem_get_pc (int address);
  46
  47 unsigned char mem_get_qi (int address);
  48 unsigned short mem_get_hi (int address);
  49 unsigned long mem_get_psi (int address);
  50 unsigned long mem_get_si (int address);
  51
  52 void mem_get_blk (int address, void *bufptr, int nbytes);
  53
  54 int sign_ext (int v, int bits);
  55
  56 #endif