| 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 |