target/arm: Implement VFP fp16 for VABS, VNEG, VSQRT
[qemu.git] / accel / accel.c
1 /*
2 * QEMU System Emulator, accelerator interfaces
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 "sysemu/accel.h"
28 #include "hw/boards.h"
29 #include "sysemu/arch_init.h"
30 #include "sysemu/sysemu.h"
31 #include "qom/object.h"
32
33 static const TypeInfo accel_type = {
34 .name = TYPE_ACCEL,
35 .parent = TYPE_OBJECT,
36 .class_size = sizeof(AccelClass),
37 .instance_size = sizeof(AccelState),
38 };
39
40 /* Lookup AccelClass from opt_name. Returns NULL if not found */
41 AccelClass *accel_find(const char *opt_name)
42 {
43 char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name);
44 AccelClass *ac = ACCEL_CLASS(object_class_by_name(class_name));
45 g_free(class_name);
46 return ac;
47 }
48
49 int accel_init_machine(AccelState *accel, MachineState *ms)
50 {
51 AccelClass *acc = ACCEL_GET_CLASS(accel);
52 int ret;
53 ms->accelerator = accel;
54 *(acc->allowed) = true;
55 ret = acc->init_machine(ms);
56 if (ret < 0) {
57 ms->accelerator = NULL;
58 *(acc->allowed) = false;
59 object_unref(OBJECT(accel));
60 } else {
61 object_set_accelerator_compat_props(acc->compat_props);
62 }
63 return ret;
64 }
65
66 AccelState *current_accel(void)
67 {
68 return current_machine->accelerator;
69 }
70
71 void accel_setup_post(MachineState *ms)
72 {
73 AccelState *accel = ms->accelerator;
74 AccelClass *acc = ACCEL_GET_CLASS(accel);
75 if (acc->setup_post) {
76 acc->setup_post(ms, accel);
77 }
78 }
79
80 static void register_accel_types(void)
81 {
82 type_register_static(&accel_type);
83 }
84
85 type_init(register_accel_types);