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
|
/* This file is part of the program psim.
Copyright (C) 1998, 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.
*/
#include "sim-main.h"
#include "m16_idecode.h"
#include "m32_idecode.h"
#include "bfd.h"
#define SD sd
#define CPU cpu
void
sim_engine_run (SIM_DESC sd,
int next_cpu_nr,
int nr_cpus, /* ignore */
int siggnal) /* ignore */
{
sim_cpu *cpu = STATE_CPU (sd, next_cpu_nr);
address_word cia = CIA_GET (cpu);
while (1)
{
address_word nia;
#if defined (ENGINE_ISSUE_PREFIX_HOOK)
ENGINE_ISSUE_PREFIX_HOOK ();
#endif
if ((cia & 1))
{
m16_instruction_word instruction_0 = IMEM16 (cia);
nia = m16_idecode_issue (sd, instruction_0, cia);
}
else
{
m32_instruction_word instruction_0 = IMEM32 (cia);
nia = m32_idecode_issue (sd, instruction_0, cia);
}
#if defined (ENGINE_ISSUE_POSTFIX_HOOK)
ENGINE_ISSUE_POSTFIX_HOOK ();
#endif
/* Update the instruction address */
cia = nia;
/* process any events */
if (sim_events_tick (sd))
{
CIA_SET (CPU, cia);
sim_events_process (sd);
cia = CIA_GET (CPU);
}
}
}
|
