return 0;
}
+static int handle_rdhtsc_hcall(struct guest_info * info, uint_t hcall_id, void * priv_data) {
+ struct vm_core_time * time_state = &(info->time_state);
+
+ info->vm_regs.rbx = v3_get_host_time(time_state);
+
+ // PrintDebug("Guest request host TSC: return %ld\n", (long)info->vm_regs.rbx);
+
+ return 0;
+}
+
int v3_start_time(struct guest_info * info) {
info->time_state.guest_cycles = 0;
PrintDebug("Starting time for core %d at host time %llu/guest time %llu.\n",
info->vcpu_id, t, info->time_state.guest_cycles);
- v3_yield(info);
+ v3_yield(info,-1);
return 0;
}
void * private_data) {
struct v3_timer * timer = NULL;
timer = (struct v3_timer *)V3_Malloc(sizeof(struct v3_timer));
+
+ if (!timer) {
+ PrintError("Cannot allocate in adding a timer\n");
+ return NULL;
+ }
+
V3_ASSERT(timer != NULL);
timer->ops = ops;
PrintDebug("Registering TIME_CPUFREQ hypercall.\n");
ret = v3_register_hypercall(vm, TIME_CPUFREQ_HCALL,
handle_cpufreq_hcall, NULL);
+ PrintDebug("Registering TIME_RDHTSC hypercall.\n");
+ ret = v3_register_hypercall(vm, TIME_RDHTSC_HCALL,
+ handle_rdhtsc_hcall, NULL);
handle_time_configuration(vm, v3_cfg_subtree(cfg_tree, "time"));