HVM capability enhancement: asynchronous upcalls to ROS userspace

[palacios.git] / palacios / src / palacios / svm.c

diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c
index 6ecdb12..28c8a70 100644 (file)
--- a/palacios/src/palacios/svm.c
+++ b/palacios/src/palacios/svm.c
@@ -799,6 +799,10 @@ int v3_svm_enter(struct guest_info * info) {
     v3_mem_track_entry(info);
 #endif 
 
+#ifdef V3_CONFIG_HVM
+    v3_handle_hvm_entry(info);
+#endif
+
     // Update timer devices after being in the VM before doing 
     // IRQ updates, so that any interrupts they raise get seen 
     // immediately.
@@ -1005,6 +1009,10 @@ int v3_svm_enter(struct guest_info * info) {
        v3_handle_timeouts(info, guest_cycles);
     }
 
+#ifdef V3_CONFIG_HVM
+    v3_handle_hvm_exit(info);
+#endif 
+
 #ifdef V3_CONFIG_MEM_TRACK
     v3_mem_track_exit(info);
 #endif 
@@ -1145,9 +1153,15 @@ int v3_start_svm_guest(struct guest_info * info) {
            linear_addr = get_addr_linear(info, info->rip, &(info->segments.cs));
            
            if (info->mem_mode == PHYSICAL_MEM) {
-               v3_gpa_to_hva(info, linear_addr, &host_addr);
+               if (v3_gpa_to_hva(info, linear_addr, &host_addr)) {
+                   PrintError(info->vm_info, info, "Cannot translate address\n");
+                   break;
+               }
            } else if (info->mem_mode == VIRTUAL_MEM) {
-               v3_gva_to_hva(info, linear_addr, &host_addr);
+               if (v3_gva_to_hva(info, linear_addr, &host_addr)) {
+                   PrintError(info->vm_info, info, "Cannot translate address\n");
+                   break;
+               }
            }
            
            V3_Print(info->vm_info, info, "SVM core %u: Host Address of rip = 0x%p\n", info->vcpu_id, (void *)host_addr);
@@ -1239,7 +1253,7 @@ int v3_is_svm_capable() {
        
        PrintDebug(VM_NONE, VCORE_NONE, "SVM_VM_CR_MSR = 0x%x 0x%x\n", vm_cr_high, vm_cr_low);
        
-       if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 1) {
+       if (vm_cr_low & SVM_VM_CR_MSR_svmdis) {
            V3_Print(VM_NONE, VCORE_NONE, "SVM is available but is disabled.\n");
            
            v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);