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
135
136
137
138
139
140
141
|
/* Moxie Simulator definition.
Copyright (C) 2009-2015 Free Software Foundation, Inc.
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 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/>. */
#ifndef SIM_MAIN_H
#define SIM_MAIN_H
#include "sim-basics.h"
#include "sim-base.h"
typedef struct
{
int regs[20];
} regstacktype;
typedef union
{
struct
{
int regs[16];
int pc;
/* System registers. For sh-dsp this also includes A0 / X0 / X1 / Y0 / Y1
which are located in fregs, i.e. strictly speaking, these are
out-of-bounds accesses of sregs.i . This wart of the code could be
fixed by making fregs part of sregs, and including pc too - to avoid
alignment repercussions - but this would cause very onerous union /
structure nesting, which would only be managable with anonymous
unions and structs. */
union
{
struct
{
int mach;
int macl;
int pr;
int dummy3, dummy4;
int fpul; /* A1 for sh-dsp - but only for movs etc. */
int fpscr; /* dsr for sh-dsp */
} named;
int i[7];
} sregs;
/* sh3e / sh-dsp */
union fregs_u
{
float f[16];
double d[8];
int i[16];
}
fregs[2];
/* Control registers; on the SH4, ldc / stc is privileged, except when
accessing gbr. */
union
{
struct
{
int sr;
int gbr;
int vbr;
int ssr;
int spc;
int mod;
/* sh-dsp */
int rs;
int re;
/* sh3 */
int bank[8];
int dbr; /* debug base register */
int sgr; /* saved gr15 */
int ldst; /* load/store flag (boolean) */
int tbr;
int ibcr; /* sh2a bank control register */
int ibnr; /* sh2a bank number register */
} named;
int i[16];
} cregs;
unsigned char *insn_end;
int ticks;
int stalls;
int memstalls;
int cycles;
int insts;
int prevlock;
int thislock;
int exception;
int end_of_registers;
int msize;
#define PROFILE_FREQ 1
#define PROFILE_SHIFT 2
int profile;
unsigned short *profile_hist;
unsigned char *memory;
int xyram_select, xram_start, yram_start;
unsigned char *xmem;
unsigned char *ymem;
unsigned char *xmem_offset;
unsigned char *ymem_offset;
unsigned long bfd_mach;
regstacktype *regstack;
} asregs;
int asints[40];
} saved_state_type;
/* TODO: Move into sim_cpu. */
extern saved_state_type saved_state;
struct _sim_cpu {
sim_cpu_base base;
};
struct sim_state {
sim_cpu *cpu[MAX_NR_PROCESSORS];
sim_state_base base;
};
#endif
|
