X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_time.c;fp=palacios%2Fsrc%2Fpalacios%2Fvmm_time.c;h=82a50eb35deab5eeed3f31c51b7905687d97563b;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3

diff --git a/palacios/src/palacios/vmm_time.c b/palacios/src/palacios/vmm_time.c
new file mode 100644
index 0000000..82a50eb
--- /dev/null
+++ b/palacios/src/palacios/vmm_time.c
@@ -0,0 +1,75 @@
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#include "palacios/vmm_time.h"
+#include "palacios/vmm.h"
+
+
+void v3_init_time(struct guest_info * info) {
+  struct vm_time * time_state = &(info->time_state);
+
+  time_state->cpu_freq = V3_CPU_KHZ();
+ 
+  time_state->guest_tsc = 0;
+  time_state->cached_host_tsc = 0;
+  // time_state->pending_cycles = 0;
+  
+  INIT_LIST_HEAD(&(time_state->timers));
+  time_state->num_timers = 0;
+}
+
+
+int v3_add_timer(struct guest_info * info, struct vm_timer_ops * ops, void * private_data) {
+  struct vm_timer * timer = NULL;
+  timer = (struct vm_timer *)V3_Malloc(sizeof(struct vm_timer));
+  V3_ASSERT(timer != NULL);
+
+  timer->ops = ops;
+  timer->private_data = private_data;
+
+  list_add(&(timer->timer_link), &(info->time_state.timers));
+  info->time_state.num_timers++;
+
+  return 0;
+}
+
+
+int v3_remove_timer(struct guest_info * info, struct vm_timer * timer) {
+  list_del(&(timer->timer_link));
+  info->time_state.num_timers--;
+
+  V3_Free(timer);
+  return 0;
+}
+
+
+
+void v3_update_time(struct guest_info * info, ullong_t cycles) {
+  struct vm_timer * tmp_timer;
+  
+  info->time_state.guest_tsc += cycles;
+
+  list_for_each_entry(tmp_timer, &(info->time_state.timers), timer_link) {
+    tmp_timer->ops->update_time(cycles, info->time_state.cpu_freq, tmp_timer->private_data);
+  }
+  
+
+
+  //info->time_state.pending_cycles = 0;
+}