Cleanup, simplification of the time managemnet, time dilation code. Needs to be teste...

[palacios.git] / palacios / src / palacios / vmm_halt.c

diff --git a/palacios/src/palacios/vmm_halt.c b/palacios/src/palacios/vmm_halt.c
index 58a0374..621b68c 100644 (file)
--- a/palacios/src/palacios/vmm_halt.c
+++ b/palacios/src/palacios/vmm_halt.c
@@ -41,14 +41,14 @@ int v3_handle_halt(struct guest_info * info) {
        PrintDebug("CPU Yield\n");
 
        while (!v3_intr_pending(info)) {
-           /* Since we're in an exit, time is already paused here, so no need to pause again. */
-         //        V3_Print("palacios: halt->yield\n");
-
+            uint64_t t, cycles;
+           /* Yield, allowing time to pass while yielded */
+           t = v3_get_host_time(&info->time_state);
            v3_yield(info);
-           
-           v3_disable_ints();
+           cycles = v3_get_host_time(&info->time_state) - t;
+           v3_advance_time(info, &cycles);
+
            v3_update_timers(info);
-           v3_enable_ints();
            
            /* At this point, we either have some combination of 
               interrupts, including perhaps a timer interrupt, or 
@@ -59,12 +59,6 @@ int v3_handle_halt(struct guest_info * info) {
                /* asm("hlt"); */
            }
 
-          /* check if there is a core move request pending 
-            * if there is, resume the guest with RIP on halt instruction again
-            */
-           if (info->core_move_state == CORE_MOVE_PENDING){
-               return 0;
-           }
        }
 
        /* V3_Print("palacios: done with halt\n"); */