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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/* Generic simulator halt/restart.
Copyright (C) 1997 Free Software Foundation, Inc.
Contributed by Cygnus Support.
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 2, 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 <stdio.h>
#include <signal.h>
/* Generic halt */
void
sim_engine_halt (SIM_DESC sd,
sim_cpu *last_cpu,
sim_cpu *next_cpu, /* NULL - use default */
sim_cia cia,
enum sim_stop reason,
int sigrc)
{
sim_engine *engine = STATE_ENGINE (sd);
if (engine->jmpbuf != NULL)
{
jmp_buf *halt_buf = engine->jmpbuf;
engine->last_cpu = last_cpu;
engine->next_cpu = next_cpu;
engine->reason = reason;
engine->sigrc = sigrc;
SIM_ENGINE_HALT_HOOK (sd, last_cpu, cia);
longjmp(*halt_buf, 1);
}
else
sim_io_error (sd, "sim_halt - bad long jump");
}
/* Generic restart */
void
sim_engine_restart (SIM_DESC sd,
sim_cpu *last_cpu,
sim_cpu *next_cpu,
sim_cia cia)
{
sim_engine *engine = STATE_ENGINE (sd);
if (engine->jmpbuf != NULL)
{
jmp_buf *halt_buf = engine->jmpbuf;
engine->last_cpu = last_cpu;
engine->next_cpu = next_cpu;
SIM_ENGINE_RESTART_HOOK (sd, last_cpu, cia);
longjmp(*halt_buf, 0);
}
else
sim_io_error (sd, "sim_restart - bad long jump");
}
/* Generic error code */
void
sim_engine_abort (SIM_DESC sd,
sim_cpu *cpu,
sim_cia cia,
const char *fmt,
...)
{
if (sd == NULL)
{
va_list ap;
va_start(ap, fmt);
vfprintf (stderr, fmt, ap);
va_end(ap);
fprintf (stderr, "\nQuit\n");
abort ();
}
else if (STATE_ENGINE (sd)->jmpbuf == NULL)
{
va_list ap;
va_start(ap, fmt);
sim_io_evprintf (sd, fmt, ap);
va_end(ap);
sim_io_eprintf (sd, "\n");
sim_io_error (sd, "Quit Simulator");
}
else
{
va_list ap;
va_start(ap, fmt);
sim_io_evprintf (sd, fmt, ap);
va_end(ap);
sim_io_eprintf (sd, "\n");
sim_engine_halt (sd, cpu, NULL, cia, sim_stopped, SIGABRT);
}
}
/* Generic next/last cpu */
int
sim_engine_last_cpu_nr (SIM_DESC sd)
{
sim_engine *engine = STATE_ENGINE (sd);
if (engine->last_cpu != NULL)
return engine->last_cpu - STATE_CPU (sd, 0);
else
return MAX_NR_PROCESSORS;
}
int
sim_engine_next_cpu_nr (SIM_DESC sd)
{
sim_engine *engine = STATE_ENGINE (sd);
if (engine->next_cpu != NULL)
return engine->next_cpu - STATE_CPU (sd, 0);
else
return sim_engine_last_cpu_nr (sd) + 1;
}
|
