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
|
/* Lattice Mico32 simulator support code
Contributed by Jon Beniston <jon@beniston.com>
Copyright (C) 2009-2015 Free Software Foundation, Inc.
This file is part of GDB.
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 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, see <http://www.gnu.org/licenses/>. */
/* Main header for the LM32 simulator. */
#ifndef SIM_MAIN_H
#define SIM_MAIN_H
#define USING_SIM_BASE_H /* FIXME: quick hack */
struct _sim_cpu; /* FIXME: should be in sim-basics.h */
typedef struct _sim_cpu SIM_CPU;
#include "symcat.h"
#include "sim-basics.h"
#include "cgen-types.h"
#include "lm32-desc.h"
#include "lm32-opc.h"
#include "arch.h"
/* These must be defined before sim-base.h. */
typedef USI sim_cia;
#define CIA_GET(cpu) CPU_PC_GET (cpu)
#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
#define SIM_ENGINE_HALT_HOOK(sd, cpu, cia) \
do { \
if (cpu) /* null if ctrl-c */ \
sim_pc_set ((cpu), (cia)); \
} while (0)
#define SIM_ENGINE_RESTART_HOOK(sd, cpu, cia) \
do { \
sim_pc_set ((cpu), (cia)); \
} while (0)
#include "sim-base.h"
#include "cgen-sim.h"
#include "lm32-sim.h"
#include "opcode/cgen.h"
/* The _sim_cpu struct. */
struct _sim_cpu
{
/* sim/common cpu base. */
sim_cpu_base base;
/* Static parts of cgen. */
CGEN_CPU cgen_cpu;
/* CPU specific parts go here.
Note that in files that don't need to access these pieces WANT_CPU_FOO
won't be defined and thus these parts won't appear. This is ok in the
sense that things work. It is a source of bugs though.
One has to of course be careful to not take the size of this
struct and no structure members accessed in non-cpu specific files can
go after here. Oh for a better language. */
#if defined (WANT_CPU_LM32BF)
LM32BF_CPU_DATA cpu_data;
#endif
};
/* The sim_state struct. */
struct sim_state
{
sim_cpu *cpu[MAX_NR_PROCESSORS];
#if (WITH_SMP)
#define STATE_CPU(sd,n) ((sd)->cpu[n])
#else
#define STATE_CPU(sd,n) ((sd)->cpu[0])
#endif
CGEN_STATE cgen_state;
sim_state_base base;
};
/* Misc. */
/* Catch address exceptions. */
extern SIM_CORE_SIGNAL_FN lm32_core_signal;
#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
lm32_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
(TRANSFER), (ERROR))
#endif /* SIM_MAIN_H */
|
