1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/* Simulation code for the CR16 processor.
Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
Contributed by M Ranga Swami Reddy <MR.Swami.Reddy@nsc.com>
This file is part of GDB, the GNU debugger.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* If we're being compiled as a .c file, rather than being included in
cr16_sim.h, then ENDIAN_INLINE won't be defined yet. */
#ifndef ENDIAN_INLINE
#define NO_ENDIAN_INLINE
#include "cr16_sim.h"
#define ENDIAN_INLINE
#endif
ENDIAN_INLINE uint16
get_word (x)
uint8 *x;
{
return *(uint16 *)x;
}
ENDIAN_INLINE uint32
get_longword (x)
uint8 *x;
{
return (((uint32) *(uint16 *)x) << 16) | ((uint32) *(uint16 *)(x+2));
}
ENDIAN_INLINE int64
get_longlong (x)
uint8 *x;
{
uint32 top = get_longword (x);
uint32 bottom = get_longword (x+4);
return (((int64)top)<<32) | (int64)bottom;
}
ENDIAN_INLINE void
write_word (addr, data)
uint8 *addr;
uint16 data;
{
addr[1] = (data >> 8) & 0xff;
addr[0] = data & 0xff;
}
ENDIAN_INLINE void
write_longword (addr, data)
uint8 *addr;
uint32 data;
{
*(uint16 *)(addr + 2) = (uint16)(data >> 16);
*(uint16 *)(addr) = (uint16)data;
}
ENDIAN_INLINE void
write_longlong (addr, data)
uint8 *addr;
int64 data;
{
write_longword (addr+4, (uint32)(data >> 32));
write_longword (addr, (uint32)data);
}
|
