blob: bdb8d2c73fb7520d6adeaef58aef468000b4d5c8 (
plain)
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
|
/*
* OpenRISC gdb server stub
*
* Copyright (c) 2003-2005 Fabrice Bellard
* Copyright (c) 2013 SUSE LINUX Products GmbH
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
static int cpu_gdb_read_register(CPUOpenRISCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
return gdb_get_reg32(mem_buf, env->gpr[n]);
} else {
switch (n) {
case 32: /* PPC */
return gdb_get_reg32(mem_buf, env->ppc);
case 33: /* NPC */
return gdb_get_reg32(mem_buf, env->npc);
case 34: /* SR */
return gdb_get_reg32(mem_buf, env->sr);
default:
break;
}
}
return 0;
}
static int cpu_gdb_write_register(CPUOpenRISCState *env,
uint8_t *mem_buf, int n)
{
OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
CPUClass *cc = CPU_GET_CLASS(cpu);
uint32_t tmp;
if (n > cc->gdb_num_core_regs) {
return 0;
}
tmp = ldl_p(mem_buf);
if (n < 32) {
env->gpr[n] = tmp;
} else {
switch (n) {
case 32: /* PPC */
env->ppc = tmp;
break;
case 33: /* NPC */
env->npc = tmp;
break;
case 34: /* SR */
env->sr = tmp;
break;
default:
break;
}
}
return 4;
}
|
