struct list_head timers;
};
-
-
-
struct vm_timer_ops {
void (*update_timer)(struct guest_info * info, ullong_t cpu_cycles, ullong_t cpu_freq, void * priv_data);
void (*advance_timer)(struct guest_info * info, void * private_data);
struct list_head timer_link;
};
+// Basic functions for handling passage of time in palacios
+void v3_init_time(struct guest_info * info);
+int v3_start_time(struct guest_info * info);
+int v3_adjust_time(struct guest_info * info);
-
-
+// Basic functions for attaching timers to the passage of time
int v3_add_timer(struct guest_info * info, struct vm_timer_ops * ops, void * private_data);
int v3_remove_timer(struct guest_info * info, struct vm_timer * timer);
void v3_update_timers(struct guest_info * info);
-
-void v3_init_time(struct guest_info * info);
-int v3_start_time(struct guest_info * info);
-int v3_adjust_time(struct guest_info * info);
-
-// Returns host time
+// Functions to return the different notions of time in Palacios.
static inline uint64_t v3_get_host_time(struct vm_time *t) {
uint64_t tmp;
rdtscll(tmp);
return time_state->guest_host_offset + time_state->tsc_guest_offset;
}
-
+// Functions for handling exits on the TSC when fully virtualizing
+// the timestamp counter.
#define TSC_MSR 0x10
#define TSC_AUX_MSR 0xC0000103
int v3_handle_rdtscp(struct guest_info *info);
int v3_handle_rdtsc(struct guest_info *info);
+
+
+
#endif // !__V3VEE__
#endif