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dd83b06a AF |
1 | /* |
2 | * QEMU CPU model | |
3 | * | |
4 | * Copyright (c) 2012 SUSE LINUX Products GmbH | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program 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 | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see | |
18 | * <http://www.gnu.org/licenses/gpl-2.0.html> | |
19 | */ | |
20 | #ifndef QEMU_CPU_H | |
21 | #define QEMU_CPU_H | |
22 | ||
23 | #include "qemu/object.h" | |
bcba2a72 | 24 | #include "qemu-thread.h" |
dd83b06a AF |
25 | |
26 | /** | |
27 | * SECTION:cpu | |
28 | * @section_id: QEMU-cpu | |
29 | * @title: CPU Class | |
30 | * @short_description: Base class for all CPUs | |
31 | */ | |
32 | ||
33 | #define TYPE_CPU "cpu" | |
34 | ||
35 | #define CPU(obj) OBJECT_CHECK(CPUState, (obj), TYPE_CPU) | |
36 | #define CPU_CLASS(class) OBJECT_CLASS_CHECK(CPUClass, (class), TYPE_CPU) | |
37 | #define CPU_GET_CLASS(obj) OBJECT_GET_CLASS(CPUClass, (obj), TYPE_CPU) | |
38 | ||
39 | typedef struct CPUState CPUState; | |
40 | ||
41 | /** | |
42 | * CPUClass: | |
f5df5baf | 43 | * @reset: Callback to reset the #CPUState to its initial state. |
dd83b06a AF |
44 | * |
45 | * Represents a CPU family or model. | |
46 | */ | |
47 | typedef struct CPUClass { | |
48 | /*< private >*/ | |
49 | ObjectClass parent_class; | |
50 | /*< public >*/ | |
51 | ||
52 | void (*reset)(CPUState *cpu); | |
53 | } CPUClass; | |
54 | ||
55 | /** | |
56 | * CPUState: | |
61a46217 | 57 | * @created: Indicates whether the CPU thread has been successfully created. |
dd83b06a AF |
58 | * |
59 | * State of one CPU core or thread. | |
60 | */ | |
61 | struct CPUState { | |
62 | /*< private >*/ | |
63 | Object parent_obj; | |
64 | /*< public >*/ | |
65 | ||
814e612e | 66 | struct QemuThread *thread; |
bcba2a72 AF |
67 | #ifdef _WIN32 |
68 | HANDLE hThread; | |
69 | #endif | |
216fc9a4 | 70 | bool thread_kicked; |
61a46217 | 71 | bool created; |
bcba2a72 | 72 | |
f5df5baf | 73 | /* TODO Move common fields from CPUArchState here. */ |
dd83b06a AF |
74 | }; |
75 | ||
76 | ||
77 | /** | |
78 | * cpu_reset: | |
79 | * @cpu: The CPU whose state is to be reset. | |
80 | */ | |
81 | void cpu_reset(CPUState *cpu); | |
82 | ||
60e82579 AF |
83 | /** |
84 | * qemu_cpu_is_self: | |
85 | * @cpu: The vCPU to check against. | |
86 | * | |
87 | * Checks whether the caller is executing on the vCPU thread. | |
88 | * | |
89 | * Returns: %true if called from @cpu's thread, %false otherwise. | |
90 | */ | |
91 | bool qemu_cpu_is_self(CPUState *cpu); | |
92 | ||
dd83b06a AF |
93 | |
94 | #endif |