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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/* This file is part of the program psim.
Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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 2 of the License, 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef N
#error "N must be #defined"
#endif
#undef unsigned_N
#define unsigned_N XCONCAT2(unsigned_,N)
#undef T2H_N
#define T2H_N XCONCAT2(T2H_,N)
#undef H2T_N
#define H2T_N XCONCAT2(H2T_,N)
INLINE_VM unsigned_N
XCONCAT2(vm_data_map_read_,N)(vm_data_map *map,
unsigned_word ea,
cpu *processor,
unsigned_word cia)
{
if ((ea & (sizeof(unsigned_N)-1)) == 0) {
unsigned ra = vm_real_data_addr(map, ea, 1/*is-read*/, processor, cia);
unsigned_N val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia);
if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
TRACE(trace_load_store, ("load cia=0x%x ea=0x%x N=%d val=0x%x\n",
cia, ea, sizeof(unsigned_N), val));
return val;
}
else {
switch (CURRENT_ALIGNMENT) {
case STRICT_ALIGNMENT:
alignment_interrupt(processor, cia, ea);
return 0;
case NONSTRICT_ALIGNMENT:
{
unsigned_N val;
if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N))
!= sizeof(unsigned_N))
alignment_interrupt(processor, cia, ea);
val = T2H_N(val);
if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
/* YUCK */
unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
}
TRACE(trace_load_store, ("load cia=0x%x ea=0x%x N=%d data=0x%x\n",
cia, ea, sizeof(unsigned_N), val));
return val;
}
default:
error("unknown alignment support\n");
return 0;
}
}
}
INLINE_VM void
XCONCAT2(vm_data_map_write_,N)(vm_data_map *map,
unsigned_word ea,
unsigned_N val,
cpu *processor,
unsigned_word cia)
{
if ((ea & (sizeof(unsigned_N)-1)) == 0) {
unsigned ra = vm_real_data_addr(map, ea, 0/*is-read?*/, processor, cia);
XCONCAT2(core_map_write_,N)(map->write, ra, val, processor, cia);
if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
TRACE(trace_load_store, ("store cia=0x%x ea=0x%x N=%d val=0x%x\n",
cia, ea, sizeof(unsigned_N), val));
}
else {
switch (CURRENT_ALIGNMENT) {
case STRICT_ALIGNMENT:
alignment_interrupt(processor, cia, ea);
break;
case NONSTRICT_ALIGNMENT:
{
unsigned_N data = H2T_N(val);
if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0)
!= sizeof(unsigned_N))
alignment_interrupt(processor, cia, ea);
if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
/* YUCK */
unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
}
TRACE(trace_load_store, ("store cia=0x%x ea=0x%x N=%d val=0x%x\n",
cia, ea, sizeof(unsigned_N), val));
}
break;
default:
error("unknown alignment support\n");
}
}
}
|
