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
|
/*
* RX gdb server stub
*
* Copyright (c) 2019 Yoshinori Sato
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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/>.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "exec/gdbstub.h"
int rx_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
{
RXCPU *cpu = RXCPU(cs);
CPURXState *env = &cpu->env;
switch (n) {
case 0 ... 15:
return gdb_get_regl(mem_buf, env->regs[n]);
case 16:
return gdb_get_regl(mem_buf, (env->psw_u) ? env->regs[0] : env->usp);
case 17:
return gdb_get_regl(mem_buf, (!env->psw_u) ? env->regs[0] : env->isp);
case 18:
return gdb_get_regl(mem_buf, rx_cpu_pack_psw(env));
case 19:
return gdb_get_regl(mem_buf, env->pc);
case 20:
return gdb_get_regl(mem_buf, env->intb);
case 21:
return gdb_get_regl(mem_buf, env->bpsw);
case 22:
return gdb_get_regl(mem_buf, env->bpc);
case 23:
return gdb_get_regl(mem_buf, env->fintv);
case 24:
return gdb_get_regl(mem_buf, env->fpsw);
case 25:
return 0;
}
return 0;
}
int rx_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
{
RXCPU *cpu = RXCPU(cs);
CPURXState *env = &cpu->env;
uint32_t psw;
switch (n) {
case 0 ... 15:
env->regs[n] = ldl_p(mem_buf);
if (n == 0) {
if (env->psw_u) {
env->usp = env->regs[0];
} else {
env->isp = env->regs[0];
}
}
break;
case 16:
env->usp = ldl_p(mem_buf);
if (env->psw_u) {
env->regs[0] = ldl_p(mem_buf);
}
break;
case 17:
env->isp = ldl_p(mem_buf);
if (!env->psw_u) {
env->regs[0] = ldl_p(mem_buf);
}
break;
case 18:
psw = ldl_p(mem_buf);
rx_cpu_unpack_psw(env, psw, 1);
break;
case 19:
env->pc = ldl_p(mem_buf);
break;
case 20:
env->intb = ldl_p(mem_buf);
break;
case 21:
env->bpsw = ldl_p(mem_buf);
break;
case 22:
env->bpc = ldl_p(mem_buf);
break;
case 23:
env->fintv = ldl_p(mem_buf);
break;
case 24:
env->fpsw = ldl_p(mem_buf);
break;
case 25:
return 8;
default:
return 0;
}
return 4;
}
|
