]> git.proxmox.com Git - mirror_qemu.git/blob - accel/accel-common.c
accel: introduce AccelCPUClass extending CPUClass
[mirror_qemu.git] / accel / accel-common.c
1 /*
2 * QEMU accel class, components common to system emulation and user mode
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2014 Red Hat Inc.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #include "qemu/osdep.h"
27 #include "qemu/accel.h"
28
29 #include "cpu.h"
30 #include "hw/core/accel-cpu.h"
31
32 #ifndef CONFIG_USER_ONLY
33 #include "accel-softmmu.h"
34 #endif /* !CONFIG_USER_ONLY */
35
36 static const TypeInfo accel_type = {
37 .name = TYPE_ACCEL,
38 .parent = TYPE_OBJECT,
39 .class_size = sizeof(AccelClass),
40 .instance_size = sizeof(AccelState),
41 };
42
43 /* Lookup AccelClass from opt_name. Returns NULL if not found */
44 AccelClass *accel_find(const char *opt_name)
45 {
46 char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name);
47 AccelClass *ac = ACCEL_CLASS(object_class_by_name(class_name));
48 g_free(class_name);
49 return ac;
50 }
51
52 static void accel_init_cpu_int_aux(ObjectClass *klass, void *opaque)
53 {
54 CPUClass *cc = CPU_CLASS(klass);
55 AccelCPUClass *accel_cpu = opaque;
56
57 cc->accel_cpu = accel_cpu;
58 if (accel_cpu->cpu_class_init) {
59 accel_cpu->cpu_class_init(cc);
60 }
61 }
62
63 /* initialize the arch-specific accel CpuClass interfaces */
64 static void accel_init_cpu_interfaces(AccelClass *ac)
65 {
66 const char *ac_name; /* AccelClass name */
67 char *acc_name; /* AccelCPUClass name */
68 ObjectClass *acc; /* AccelCPUClass */
69
70 ac_name = object_class_get_name(OBJECT_CLASS(ac));
71 g_assert(ac_name != NULL);
72
73 acc_name = g_strdup_printf("%s-%s", ac_name, CPU_RESOLVING_TYPE);
74 acc = object_class_by_name(acc_name);
75 g_free(acc_name);
76
77 if (acc) {
78 object_class_foreach(accel_init_cpu_int_aux,
79 CPU_RESOLVING_TYPE, false, acc);
80 }
81 }
82
83 void accel_init_interfaces(AccelClass *ac)
84 {
85 #ifndef CONFIG_USER_ONLY
86 accel_init_ops_interfaces(ac);
87 #endif /* !CONFIG_USER_ONLY */
88
89 accel_init_cpu_interfaces(ac);
90 }
91
92 static const TypeInfo accel_cpu_type = {
93 .name = TYPE_ACCEL_CPU,
94 .parent = TYPE_OBJECT,
95 .abstract = true,
96 .class_size = sizeof(AccelCPUClass),
97 };
98
99 static void register_accel_types(void)
100 {
101 type_register_static(&accel_type);
102 type_register_static(&accel_cpu_type);
103 }
104
105 type_init(register_accel_types);