root / target-lm32 / cpu.c @ e3e87df4
History | View | Annotate | Download (2 kB)
1 |
/*
|
---|---|
2 |
* QEMU LatticeMico32 CPU
|
3 |
*
|
4 |
* Copyright (c) 2012 SUSE LINUX Products GmbH
|
5 |
*
|
6 |
* This library is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU Lesser General Public
|
8 |
* License as published by the Free Software Foundation; either
|
9 |
* version 2.1 of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This library is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 |
* Lesser General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU Lesser General Public
|
17 |
* License along with this library; if not, see
|
18 |
* <http://www.gnu.org/licenses/lgpl-2.1.html>
|
19 |
*/
|
20 |
|
21 |
#include "cpu.h" |
22 |
#include "qemu-common.h" |
23 |
|
24 |
|
25 |
/* CPUClass::reset() */
|
26 |
static void lm32_cpu_reset(CPUState *s) |
27 |
{ |
28 |
LM32CPU *cpu = LM32_CPU(s); |
29 |
LM32CPUClass *lcc = LM32_CPU_GET_CLASS(cpu); |
30 |
CPULM32State *env = &cpu->env; |
31 |
|
32 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
33 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
34 |
log_cpu_state(env, 0);
|
35 |
} |
36 |
|
37 |
lcc->parent_reset(s); |
38 |
|
39 |
tlb_flush(env, 1);
|
40 |
|
41 |
/* reset cpu state */
|
42 |
memset(env, 0, offsetof(CPULM32State, breakpoints));
|
43 |
} |
44 |
|
45 |
static void lm32_cpu_initfn(Object *obj) |
46 |
{ |
47 |
LM32CPU *cpu = LM32_CPU(obj); |
48 |
CPULM32State *env = &cpu->env; |
49 |
|
50 |
cpu_exec_init(env); |
51 |
|
52 |
env->flags = 0;
|
53 |
|
54 |
cpu_reset(CPU(cpu)); |
55 |
} |
56 |
|
57 |
static void lm32_cpu_class_init(ObjectClass *oc, void *data) |
58 |
{ |
59 |
LM32CPUClass *lcc = LM32_CPU_CLASS(oc); |
60 |
CPUClass *cc = CPU_CLASS(oc); |
61 |
|
62 |
lcc->parent_reset = cc->reset; |
63 |
cc->reset = lm32_cpu_reset; |
64 |
} |
65 |
|
66 |
static const TypeInfo lm32_cpu_type_info = { |
67 |
.name = TYPE_LM32_CPU, |
68 |
.parent = TYPE_CPU, |
69 |
.instance_size = sizeof(LM32CPU),
|
70 |
.instance_init = lm32_cpu_initfn, |
71 |
.abstract = false,
|
72 |
.class_size = sizeof(LM32CPUClass),
|
73 |
.class_init = lm32_cpu_class_init, |
74 |
}; |
75 |
|
76 |
static void lm32_cpu_register_types(void) |
77 |
{ |
78 |
type_register_static(&lm32_cpu_type_info); |
79 |
} |
80 |
|
81 |
type_init(lm32_cpu_register_types) |