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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
/* run front end support for arm
Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of ARM SIM
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include <stdio.h>
#include <stdarg.h>
#include <armdefs.h>
#include <bfd.h>
#include <signal.h>
#include "callback.h"
#include "remote-sim.h"
static struct ARMul_State *state;
static void
init ()
{
static int done;
if (!done)
{
ARMul_EmulateInit();
state = ARMul_NewState ();
ARMul_MemoryInit(state, 1<<21);
ARMul_OSInit(state);
ARMul_CoProInit(state);
done = 1;
}
}
void
ARMul_ConsolePrint (ARMul_State * state, const char *format,...)
{
va_list ap;
va_start (ap, format);
vprintf (format, ap);
va_end (ap);
}
ARMword
ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr)
{
}
void
sim_size (size)
int size;
{
init ();
ARMul_MemoryInit (state, 1 << size);
}
void
sim_set_profile ()
{
}
void
sim_set_profile_size ()
{
}
int
sim_write (addr, buffer, size)
SIM_ADDR addr;
unsigned char *buffer;
int size;
{
int i;
init ();
for (i = 0; i < size; i++)
{
ARMul_WriteByte (state, addr+i, buffer[i]);
}
return size;
}
int
sim_read (addr, buffer, size)
SIM_ADDR addr;
unsigned char *buffer;
int size;
{
int i;
init ();
for (i = 0; i < size; i++)
{
buffer[i] = ARMul_ReadByte (state, addr + i);
}
return size;
}
void
sim_trace ()
{
}
static int rc;
void
sim_resume (step, siggnal)
int step, siggnal;
{
if (step)
{
rc = SIGTRAP;
state->Reg[15] = ARMul_DoInstr (state);
}
else
{
state->Reg[15] = ARMul_DoProg (state);
}
}
void
sim_create_inferior (start_address, argv, env)
SIM_ADDR start_address;
char **argv;
char **env;
{
ARMul_SetPC(state, start_address);
}
void
sim_info (verbose)
int verbose;
{
}
int
frommem (state, memory)
struct ARMul_State *state;
unsigned char *memory;
{
if (state->bigendSig == HIGH)
{
return (memory[0] << 24)
| (memory[1] << 16)
| (memory[2] << 8)
| (memory[3] << 0);
}
else
{
return (memory[3] << 24)
| (memory[2] << 16)
| (memory[1] << 8)
| (memory[0] << 0);
}
}
void
tomem (state, memory, val)
struct ARMul_State *state;
unsigned char *memory;
int val;
{
if (state->bigendSig == HIGH)
{
memory[0] = val >> 24;
memory[1] = val >> 16;
memory[2] = val >> 8;
memory[3] = val >> 0;
}
else
{
memory[3] = val >> 24;
memory[2] = val >> 16;
memory[1] = val >> 8;
memory[0] = val >> 0;
}
}
void
sim_store_register (rn, memory)
int rn;
unsigned char *memory;
{
init ();
ARMul_SetReg(state, state->Mode, rn, frommem (state, memory));
}
void
sim_fetch_register (rn, memory)
int rn;
unsigned char *memory;
{
init ();
tomem (state, memory, ARMul_GetReg(state, state->Mode, rn));
}
void
sim_open (name)
char *name;
{
/* nothing to do */
}
void
sim_close (quitting)
int quitting;
{
/* nothing to do */
}
int
sim_load (prog, from_tty)
char *prog;
int from_tty;
{
/* Return nonzero so GDB will handle it. */
return 1;
}
void
sim_stop_reason (reason, sigrc)
enum sim_stop *reason;
int *sigrc;
{
*reason = sim_stopped;
*sigrc = rc;
}
void
sim_kill ()
{
/* nothing to do */
}
void
sim_do_command (cmd)
char *cmd;
{
printf_filtered ("This simulator does not accept any commands.\n");
}
void
sim_set_callbacks (ptr)
struct host_callback_struct *ptr;
{
}
|
