X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_time.c;h=b169669d4dd54861c6f21e7955ddb015e7b0e44a;hb=1cc3466d1edc53576a1f70fe45b048b219e5c468;hp=027236d1636b4e47dbb2ac86a4374f0c3eebaa02;hpb=d8fc6aa4bc2a5d9cec50923e9d2bd30f867dd50a;p=palacios.git

diff --git a/palacios/src/palacios/vmm_time.c b/palacios/src/palacios/vmm_time.c
index 027236d..b169669 100644
--- a/palacios/src/palacios/vmm_time.c
+++ b/palacios/src/palacios/vmm_time.c
@@ -1,49 +1,105 @@
-#include "palacios/vmm_time.h"
-#include "palacios/vmm.h"
+/* 
+ * 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>
+#include <palacios/vm_guest.h>
 
-void v3_init_time(struct vm_time * time_state) {
-  ullong_t cpu_khz = 0;
+static int handle_cpufreq_hcall(struct guest_info * info, uint_t hcall_id, void * priv_data) {
+    struct vm_time * time_state = &(info->time_state);
 
-  V3_CPU_KHZ(cpu_khz);
-  time_state->cpu_freq = cpu_khz;
+    info->vm_regs.rbx = time_state->cpu_freq;
 
-  PrintDebug("CPU KHZ = HI=%x LO=%x\n", (uint_t)(cpu_khz >> 32), (uint_t)cpu_khz);
+    PrintDebug("Guest request cpu frequency: return %ld\n", (long)info->vm_regs.rbx);
+    
+    return 0;
+}
+
+
+
+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;
+    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;
+    INIT_LIST_HEAD(&(time_state->timers));
+    time_state->num_timers = 0;
+
+    v3_register_hypercall(info->vm_info, TIME_CPUFREQ_HCALL, handle_cpufreq_hcall, NULL);
 }
 
 
 int v3_add_timer(struct guest_info * info, struct vm_timer_ops * ops, void * private_data) {
-  //  V3_Malloc
+    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;
+}
 
-  /*
-  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;
 }
 
-int remove_timer(struct guest_info * info, struct vm_timer * timer) {
-  list_del(&(timer->timer_link));
-  info->time_state.num_timers--;
 
-  return 0;
+
+void v3_update_time(struct guest_info * info, uint64_t cycles) {
+    struct vm_timer * tmp_timer;
+    
+    //   cycles *= 8;
+
+//    cycles /= 150;
+
+    info->time_state.guest_tsc += cycles;
+
+    list_for_each_entry(tmp_timer, &(info->time_state.timers), timer_link) {
+	tmp_timer->ops->update_time(info, cycles, info->time_state.cpu_freq, tmp_timer->private_data);
+    }
+  
+
+
+    //info->time_state.pending_cycles = 0;
 }
 
+void v3_advance_time(struct guest_info * core) {
+    struct vm_timer * tmp_timer;
+
 
-void update_timers(struct guest_info * info) {
-  struct vm_timer * tmp_timer;
+    list_for_each_entry(tmp_timer, &(core->time_state.timers), timer_link) {
+	tmp_timer->ops->advance_timer(core, tmp_timer->private_data);
+    }
   
-  list_for_each_entry(tmp_timer, &(info->time_state.timers), timer_link) {
-    tmp_timer->ops.update_time(info->time_state.pending_cycles, info->time_state.cpu_freq, tmp_timer->private_data);
-  }
 
 
-  info->time_state.pending_cycles = 0;
 }