1 /* mem.h --- interface to memory for M32C simulator.
3 Copyright (C) 2005-2014 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
);
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