root / target-s390x / cpu.c @ c9c99c22
History | View | Annotate | Download (2.6 kB)
1 |
/*
|
---|---|
2 |
* QEMU S/390 CPU
|
3 |
*
|
4 |
* Copyright (c) 2009 Ulrich Hecht
|
5 |
* Copyright (c) 2011 Alexander Graf
|
6 |
* Copyright (c) 2012 SUSE LINUX Products GmbH
|
7 |
*
|
8 |
* This library is free software; you can redistribute it and/or
|
9 |
* modify it under the terms of the GNU Lesser General Public
|
10 |
* License as published by the Free Software Foundation; either
|
11 |
* version 2.1 of the License, or (at your option) any later version.
|
12 |
*
|
13 |
* This library is distributed in the hope that it will be useful,
|
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
16 |
* Lesser General Public License for more details.
|
17 |
*
|
18 |
* You should have received a copy of the GNU Lesser General Public
|
19 |
* License along with this library; if not, see
|
20 |
* <http://www.gnu.org/licenses/lgpl-2.1.html>
|
21 |
*/
|
22 |
|
23 |
#include "cpu.h" |
24 |
#include "qemu-common.h" |
25 |
#include "qemu-timer.h" |
26 |
|
27 |
|
28 |
/* CPUClass::reset() */
|
29 |
static void s390_cpu_reset(CPUState *s) |
30 |
{ |
31 |
S390CPU *cpu = S390_CPU(s); |
32 |
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu); |
33 |
CPUS390XState *env = &cpu->env; |
34 |
|
35 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
36 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
37 |
log_cpu_state(env, 0);
|
38 |
} |
39 |
|
40 |
scc->parent_reset(s); |
41 |
|
42 |
memset(env, 0, offsetof(CPUS390XState, breakpoints));
|
43 |
/* FIXME: reset vector? */
|
44 |
tlb_flush(env, 1);
|
45 |
s390_add_running_cpu(env); |
46 |
} |
47 |
|
48 |
static void s390_cpu_initfn(Object *obj) |
49 |
{ |
50 |
S390CPU *cpu = S390_CPU(obj); |
51 |
CPUS390XState *env = &cpu->env; |
52 |
static int cpu_num = 0; |
53 |
#if !defined(CONFIG_USER_ONLY)
|
54 |
struct tm tm;
|
55 |
#endif
|
56 |
|
57 |
cpu_exec_init(env); |
58 |
#if !defined(CONFIG_USER_ONLY)
|
59 |
qemu_get_timedate(&tm, 0);
|
60 |
env->tod_offset = TOD_UNIX_EPOCH + |
61 |
(time2tod(mktimegm(&tm)) * 1000000000ULL);
|
62 |
env->tod_basetime = 0;
|
63 |
env->tod_timer = qemu_new_timer_ns(vm_clock, s390x_tod_timer, cpu); |
64 |
env->cpu_timer = qemu_new_timer_ns(vm_clock, s390x_cpu_timer, cpu); |
65 |
#endif
|
66 |
env->cpu_num = cpu_num++; |
67 |
env->ext_index = -1;
|
68 |
|
69 |
cpu_reset(CPU(cpu)); |
70 |
} |
71 |
|
72 |
static void s390_cpu_class_init(ObjectClass *oc, void *data) |
73 |
{ |
74 |
S390CPUClass *scc = S390_CPU_CLASS(oc); |
75 |
CPUClass *cc = CPU_CLASS(scc); |
76 |
|
77 |
scc->parent_reset = cc->reset; |
78 |
cc->reset = s390_cpu_reset; |
79 |
} |
80 |
|
81 |
static const TypeInfo s390_cpu_type_info = { |
82 |
.name = TYPE_S390_CPU, |
83 |
.parent = TYPE_CPU, |
84 |
.instance_size = sizeof(S390CPU),
|
85 |
.instance_init = s390_cpu_initfn, |
86 |
.abstract = false,
|
87 |
.class_size = sizeof(S390CPUClass),
|
88 |
.class_init = s390_cpu_class_init, |
89 |
}; |
90 |
|
91 |
static void s390_cpu_register_types(void) |
92 |
{ |
93 |
type_register_static(&s390_cpu_type_info); |
94 |
} |
95 |
|
96 |
type_init(s390_cpu_register_types) |