1/* Lattice Mico32 simulator support code
2   Contributed by Jon Beniston <jon@beniston.com>
3
4   Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
5
6   This file is part of GDB.
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 3 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20
21/* Main header for the LM32 simulator.  */
22
23#ifndef SIM_MAIN_H
24#define SIM_MAIN_H
25
26#define USING_SIM_BASE_H	/* FIXME: quick hack */
27
28struct _sim_cpu;		/* FIXME: should be in sim-basics.h */
29typedef struct _sim_cpu SIM_CPU;
30
31#include "symcat.h"
32#include "sim-basics.h"
33#include "cgen-types.h"
34#include "lm32-desc.h"
35#include "lm32-opc.h"
36#include "arch.h"
37
38/* These must be defined before sim-base.h.  */
39typedef USI sim_cia;
40
41#define CIA_GET(cpu)     CPU_PC_GET (cpu)
42#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
43
44#define SIM_ENGINE_HALT_HOOK(sd, cpu, cia) \
45do { \
46  if (cpu) /* null if ctrl-c */ \
47    sim_pc_set ((cpu), (cia)); \
48} while (0)
49#define SIM_ENGINE_RESTART_HOOK(sd, cpu, cia) \
50do { \
51  sim_pc_set ((cpu), (cia)); \
52} while (0)
53
54#include "sim-base.h"
55#include "cgen-sim.h"
56#include "lm32-sim.h"
57#include "opcode/cgen.h"
58
59/* The _sim_cpu struct.  */
60
61struct _sim_cpu
62{
63  /* sim/common cpu base.  */
64  sim_cpu_base base;
65
66  /* Static parts of cgen.  */
67  CGEN_CPU cgen_cpu;
68
69  /* CPU specific parts go here.
70     Note that in files that don't need to access these pieces WANT_CPU_FOO
71     won't be defined and thus these parts won't appear.  This is ok in the
72     sense that things work.  It is a source of bugs though.
73     One has to of course be careful to not take the size of this
74     struct and no structure members accessed in non-cpu specific files can
75     go after here.  Oh for a better language.  */
76#if defined (WANT_CPU_LM32BF)
77  LM32BF_CPU_DATA cpu_data;
78#endif
79
80};
81
82/* The sim_state struct.  */
83
84struct sim_state
85{
86  sim_cpu *cpu;
87#define STATE_CPU(sd, n) (/*&*/ (sd)->cpu)
88
89  CGEN_STATE cgen_state;
90
91  sim_state_base base;
92};
93
94/* Misc.  */
95
96/* Catch address exceptions.  */
97extern SIM_CORE_SIGNAL_FN lm32_core_signal;
98#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
99lm32_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
100		  (TRANSFER), (ERROR))
101
102#endif /* SIM_MAIN_H */
103