Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


type fix
[palacios.git] / palacios / src / palacios / vmm.c
index 48df285..ff5a55c 100644 (file)
@@ -100,9 +100,10 @@ static void deinit_cpu(void * arg) {
 }
 
 
-
-void Init_V3(struct v3_os_hooks * hooks, int num_cpus) {
-    int i;
+void Init_V3(struct v3_os_hooks * hooks, char * cpu_mask, int num_cpus) {
+    int i = 0;
+    int minor = 0;
+    int major = 0;
 
     V3_Print("V3 Print statement to fix a Kitten page fault bug\n");
 
@@ -134,26 +135,26 @@ void Init_V3(struct v3_os_hooks * hooks, int num_cpus) {
     V3_init_checkpoint();
 #endif
 
-
-
-
     if ((hooks) && (hooks->call_on_cpu)) {
-       for (i = 0; i < num_cpus; i++) {
 
-           V3_Print("Initializing VMM extensions on cpu %d\n", i);
-           hooks->call_on_cpu(i, &init_cpu, (void *)(addr_t)i);
+        for (i = 0; i < num_cpus; i++) {
+            major = i / 8;
+            minor = i % 8;
 
-           if (v3_mach_type == V3_INVALID_CPU) {
-               v3_mach_type = v3_cpu_types[i];
-           }
+            if ((cpu_mask == NULL) || (*(cpu_mask + major) & (0x1 << minor))) {
+                V3_Print("Initializing VMM extensions on cpu %d\n", i);
+                hooks->call_on_cpu(i, &init_cpu, (void *)(addr_t)i);
 
-       }
+               if (v3_mach_type == V3_INVALID_CPU) {
+                   v3_mach_type = v3_cpu_types[i];
+               }   
+            }
+        }
     }
-
-
 }
 
 
+
 void Shutdown_V3() {
     int i;
 
@@ -452,6 +453,11 @@ int v3_stop_vm(struct v3_vm_info * vm) {
 
     vm->run_state = VM_STOPPED;
 
+    // Sanity check to catch any weird execution states
+    if (v3_wait_for_barrier(vm, NULL) == 0) {
+       v3_lower_barrier(vm);
+    }
+    
     // XXX force exit all cores via a cross call/IPI XXX
 
     while (1) {
@@ -693,7 +699,7 @@ void v3_yield_cond(struct guest_info * info) {
        //         (void *)info->yield_cycle_period);
        
        V3_Yield();
-       info->yield_start_cycle = v3_get_host_time(&info->time_state);
+        info->yield_start_cycle +=  info->vm_info->yield_cycle_period;
     }
 }
 
@@ -707,7 +713,7 @@ void v3_yield(struct guest_info * info) {
     V3_Yield();
 
     if (info) {
-       info->yield_start_cycle = v3_get_host_time(&info->time_state);
+        info->yield_start_cycle +=  info->vm_info->yield_cycle_period;
     }
 }