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.


reverted host_cpu_id changes because it broke multicore functionality
[palacios.git] / palacios / src / palacios / svm.c
index 20adea3..9b89e6c 100644 (file)
@@ -218,6 +218,11 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info * core) {
     ctrl_area->instrs.INTR = 1;
 
 
+    v3_hook_msr(core->vm_info, EFER_MSR, 
+               &v3_handle_efer_read,
+               &v3_handle_efer_write, 
+               core);
+
     if (core->shdw_pg_mode == SHADOW_PAGING) {
        PrintDebug("Creating initial shadow page table\n");
        
@@ -246,10 +251,7 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info * core) {
        ctrl_area->cr_reads.cr3 = 1;
        ctrl_area->cr_writes.cr3 = 1;
 
-       v3_hook_msr(core->vm_info, EFER_MSR, 
-                   &v3_handle_efer_read,
-                   &v3_handle_efer_write, 
-                   core);
+
 
        ctrl_area->instrs.INVLPG = 1;
 
@@ -451,11 +453,15 @@ int v3_svm_enter(struct guest_info * info) {
     vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data)); 
     addr_t exit_code = 0, exit_info1 = 0, exit_info2 = 0;
 
-    v3_adjust_time(info);
-
     // Conditionally yield the CPU if the timeslice has expired
     v3_yield_cond(info);
 
+    // Perform any additional yielding needed for time adjustment
+    v3_adjust_time(info);
+
+    // Update timer devices prior to entering VM.
+    v3_update_timers(info);
+
     // disable global interrupts for vm state transition
     v3_clgi();
 
@@ -503,19 +509,20 @@ int v3_svm_enter(struct guest_info * info) {
     }
 #endif
 
-    v3_update_timers(info);
+    v3_time_enter_vm(info);
     guest_ctrl->TSC_OFFSET = v3_tsc_host_offset(&info->time_state);
 
     //V3_Print("Calling v3_svm_launch\n");
 
-    v3_svm_launch((vmcb_t *)V3_PAddr(info->vmm_data), &(info->vm_regs), (vmcb_t *)host_vmcbs[info->cpu_id]);
+    v3_svm_launch((vmcb_t *)V3_PAddr(info->vmm_data), &(info->vm_regs), (vmcb_t *)host_vmcbs[V3_Get_CPU()]);
 
     //V3_Print("SVM Returned: Exit Code: %x, guest_rip=%lx\n", (uint32_t)(guest_ctrl->exit_code), (unsigned long)guest_state->rip);
 
     v3_last_exit = (uint32_t)(guest_ctrl->exit_code);
 
-    //PrintDebug("SVM Returned\n");
-    
+    // Immediate exit from VM time bookkeeping
+    v3_time_exit_vm(info);
+
     info->num_exits++;
 
     // Save Guest state from VMCB