Home | History | Annotate | Line # | Download | only in rl78 
      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
     57