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22#include "qemu/osdep.h"
23#include "qemu/error-report.h"
24#include "qemu/main-loop.h"
25#include "sysemu/runstate.h"
26#include "sysemu/cpus.h"
27#include "qemu/guest-random.h"
28
29#include "hax-accel-ops.h"
30
31static void *hax_cpu_thread_fn(void *arg)
32{
33 CPUState *cpu = arg;
34 int r;
35
36 rcu_register_thread();
37 qemu_mutex_lock_iothread();
38 qemu_thread_get_self(cpu->thread);
39
40 cpu->thread_id = qemu_get_thread_id();
41 current_cpu = cpu;
42 hax_init_vcpu(cpu);
43 cpu_thread_signal_created(cpu);
44 qemu_guest_random_seed_thread_part2(cpu->random_seed);
45
46 do {
47 if (cpu_can_run(cpu)) {
48 r = hax_smp_cpu_exec(cpu);
49 if (r == EXCP_DEBUG) {
50 cpu_handle_guest_debug(cpu);
51 }
52 }
53
54 qemu_wait_io_event(cpu);
55 } while (!cpu->unplug || cpu_can_run(cpu));
56 rcu_unregister_thread();
57 return NULL;
58}
59
60static void hax_start_vcpu_thread(CPUState *cpu)
61{
62 char thread_name[VCPU_THREAD_NAME_SIZE];
63
64 cpu->thread = g_new0(QemuThread, 1);
65 cpu->halt_cond = g_new0(QemuCond, 1);
66 qemu_cond_init(cpu->halt_cond);
67
68 snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HAX",
69 cpu->cpu_index);
70 qemu_thread_create(cpu->thread, thread_name, hax_cpu_thread_fn,
71 cpu, QEMU_THREAD_JOINABLE);
72#ifdef _WIN32
73 cpu->hThread = qemu_thread_get_handle(cpu->thread);
74#endif
75}
76
77static void hax_accel_ops_class_init(ObjectClass *oc, void *data)
78{
79 AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
80
81 ops->create_vcpu_thread = hax_start_vcpu_thread;
82 ops->kick_vcpu_thread = hax_kick_vcpu_thread;
83
84 ops->synchronize_post_reset = hax_cpu_synchronize_post_reset;
85 ops->synchronize_post_init = hax_cpu_synchronize_post_init;
86 ops->synchronize_state = hax_cpu_synchronize_state;
87 ops->synchronize_pre_loadvm = hax_cpu_synchronize_pre_loadvm;
88}
89
90static const TypeInfo hax_accel_ops_type = {
91 .name = ACCEL_OPS_NAME("hax"),
92
93 .parent = TYPE_ACCEL_OPS,
94 .class_init = hax_accel_ops_class_init,
95 .abstract = true,
96};
97
98static void hax_accel_ops_register_types(void)
99{
100 type_register_static(&hax_accel_ops_type);
101}
102type_init(hax_accel_ops_register_types);
103