initial simulation functionality

[palacios.releases.git] / palacios / src / palacios / vmx_handler.c

diff --git a/palacios/src/palacios/vmx_handler.c b/palacios/src/palacios/vmx_handler.c
index 71c1eab..432b571 100644 (file)
--- a/palacios/src/palacios/vmx_handler.c
+++ b/palacios/src/palacios/vmx_handler.c
@@ -75,6 +75,7 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf
     }
 
 
+
 #ifdef V3_CONFIG_TELEMETRY
     if (info->vm_info->enable_telemetry) {
        v3_telemetry_start_exit(info);
@@ -102,6 +103,9 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf
                     PrintError("Page fault in unimplemented paging mode\n");
                     return -1;
                 }
+           } else if ((uint8_t)exit_info->int_info == 2) {
+               // NMI. Don't do anything
+               V3_Print("NMI Exception Received\n");
             } else {
                 PrintError("Unknown exception: 0x%x\n", (uint8_t)exit_info->int_info);
                 v3_print_GPRs(info);
@@ -224,12 +228,22 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf
                        return -1;
                    }
                    break;
+               case 4:
+                   //PrintDebug("Handling CR4 Access\n");
+                   if (v3_vmx_handle_cr4_access(info, cr_qual) == -1) {
+                       PrintError("Error in CR4 access handler\n");
+                       return -1;
+                   }
+                   break;
                default:
                    PrintError("Unhandled CR access: %d\n", cr_qual->cr_id);
                    return -1;
            }
            
-           info->rip += exit_info->instr_len;
+           // TODO: move RIP increment into all of the above individual CR
+           //       handlers, not just v3_vmx_handle_cr4_access()
+           if (cr_qual->cr_id != 4)
+               info->rip += exit_info->instr_len;
 
            break;
        }
@@ -257,7 +271,10 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf
            // This is handled in the atomic part of the vmx code,
            // not in the generic (interruptable) vmx handler
             break;
-
+        case VMEXIT_EXPIRED_PREEMPT_TIMER:
+           V3_Print("VMX Preempt Timer Expired.\n");
+           // This just forces an exit and is handled outside the switch
+           break;
            
         default:
             PrintError("Unhandled VMEXIT: %s (%u), %lu (0x%lx)\n",