1 /*
2 * QTest accelerator code
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
11 *
12 */
13
14 #include "qemu/osdep.h"
15 #include "qemu/rcu.h"
16 #include "qapi/error.h"
17 #include "qemu/module.h"
18 #include "qemu/option.h"
19 #include "qemu/config-file.h"
20 #include "qemu/accel.h"
21 #include "sysemu/qtest.h"
22 #include "sysemu/cpus.h"
23 #include "qemu/guest-random.h"
24 #include "qemu/main-loop.h"
25 #include "hw/core/cpu.h"
26
27 static int64_t qtest_clock_counter;
28
qtest_get_virtual_clock(void)29 static int64_t qtest_get_virtual_clock(void)
30 {
31 return qatomic_read_i64(&qtest_clock_counter);
32 }
33
qtest_set_virtual_clock(int64_t count)34 static void qtest_set_virtual_clock(int64_t count)
35 {
36 qatomic_set_i64(&qtest_clock_counter, count);
37 }
38
qtest_init_accel(MachineState * ms)39 static int qtest_init_accel(MachineState *ms)
40 {
41 return 0;
42 }
43
qtest_accel_class_init(ObjectClass * oc,void * data)44 static void qtest_accel_class_init(ObjectClass *oc, void *data)
45 {
46 AccelClass *ac = ACCEL_CLASS(oc);
47 ac->name = "QTest";
48 ac->init_machine = qtest_init_accel;
49 ac->allowed = &qtest_allowed;
50 }
51
52 #define TYPE_QTEST_ACCEL ACCEL_CLASS_NAME("qtest")
53
54 static const TypeInfo qtest_accel_type = {
55 .name = TYPE_QTEST_ACCEL,
56 .parent = TYPE_ACCEL,
57 .class_init = qtest_accel_class_init,
58 };
59 module_obj(TYPE_QTEST_ACCEL);
60
qtest_accel_ops_class_init(ObjectClass * oc,void * data)61 static void qtest_accel_ops_class_init(ObjectClass *oc, void *data)
62 {
63 AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
64
65 ops->create_vcpu_thread = dummy_start_vcpu_thread;
66 ops->get_virtual_clock = qtest_get_virtual_clock;
67 ops->set_virtual_clock = qtest_set_virtual_clock;
68 };
69
70 static const TypeInfo qtest_accel_ops_type = {
71 .name = ACCEL_OPS_NAME("qtest"),
72
73 .parent = TYPE_ACCEL_OPS,
74 .class_init = qtest_accel_ops_class_init,
75 .abstract = true,
76 };
77 module_obj(ACCEL_OPS_NAME("qtest"));
78
qtest_type_init(void)79 static void qtest_type_init(void)
80 {
81 type_register_static(&qtest_accel_type);
82 type_register_static(&qtest_accel_ops_type);
83 }
84
85 type_init(qtest_type_init);
86