1 /* mem.h --- interface to memory for M32C simulator.
3 Copyright (C) 2005-2018 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
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.
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.
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/>. */
21 enum mem_content_type {
37 void mem_usage_stats (void);
38 unsigned long mem_usage_cycles (void);
40 /* rx_mem_ptr returns a pointer which is valid as long as the address
41 requested remains within the same page. */
43 #define PAGE_SIZE (1 << PAGE_BITS)
44 #define NONPAGE_MASK (~(PAGE_SIZE-1))
46 unsigned char *rx_mem_ptr (unsigned long address, enum mem_ptr_action action);
48 RX_Opcode_Decoded **rx_mem_decode_cache (unsigned long address);
51 void mem_put_qi (int address, unsigned char value);
52 void mem_put_hi (int address, unsigned short value);
53 void mem_put_psi (int address, unsigned long value);
54 void mem_put_si (int address, unsigned long value);
56 void mem_put_blk (int address, void *bufptr, int nbytes);
58 unsigned char mem_get_pc (int address);
60 unsigned char mem_get_qi (int address);
61 unsigned short mem_get_hi (int address);
62 unsigned long mem_get_psi (int address);
63 unsigned long mem_get_si (int address);
65 void mem_get_blk (int address, void *bufptr, int nbytes);
67 int sign_ext (int v, int bits);
69 void mem_set_content_type (int address, enum mem_content_type type);
70 void mem_set_content_range (int start_address, int end_address, enum mem_content_type type);
71 enum mem_content_type mem_get_content_type (int address);