1 /* mem.h --- interface to memory for RL78 simulator. 2 3 Copyright (C) 2011-2020 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 /* Pass the amount of bytes, like 2560 for 2.5k */ 33 void mem_ram_size (int ram_bytes); 34 void mem_rom_size (int rom_bytes); 35 36 void mem_put_qi (int address, unsigned char value); 37 void mem_put_hi (int address, unsigned short value); 38 void mem_put_psi (int address, unsigned long value); 39 void mem_put_si (int address, unsigned long value); 40 41 void mem_put_blk (int address, const void *bufptr, int nbytes); 42 43 unsigned char mem_get_pc (int address); 44 45 unsigned char mem_get_qi (int address); 46 unsigned short mem_get_hi (int address); 47 unsigned long mem_get_psi (int address); 48 unsigned long mem_get_si (int address); 49 50 void mem_get_blk (int address, void *bufptr, int nbytes); 51 52 int sign_ext (int v, int bits); 53 54 #endif 55