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.


*** empty log message ***
[palacios.git] / palacios / src / palacios / svm.c
index 2003ba7..ee7ff6d 100644 (file)
 #include <palacios/vm_guest_mem.h>
 
 
-/* TEMPORARY BECAUSE SVM IS WEIRD */
-//#include <palacios/tss.h>
-/* ** */
-
 
 extern struct vmm_os_hooks * os_hooks;
 
@@ -24,10 +20,11 @@ extern void Set_MSR(uint_t MSR, uint_t high_byte, uint_t low_byte);
 extern uint_t launch_svm(vmcb_t * vmcb_addr);
 extern void safe_svm_launch(vmcb_t * vmcb_addr, struct guest_gprs * gprs);
 
+extern void STGI();
+extern void CLGI();
+
 extern uint_t Get_CR3();
 
-extern void GetGDTR(void * gdt);
-extern void GetIDTR(void * idt);
 
 extern void DisableInts();
 
@@ -142,14 +139,21 @@ int start_svm_guest(struct guest_info *info) {
 
   while (1) {
 
+    CLGI();
+
     //PrintDebug("SVM Launch Args (vmcb=%x), (info=%x), (vm_regs=%x)\n", info->vmm_data,  &(info->vm_regs));
     //PrintDebug("Launching to RIP: %x\n", info->rip);
     safe_svm_launch((vmcb_t*)(info->vmm_data), &(info->vm_regs));
     //launch_svm((vmcb_t*)(info->vmm_data));
     //PrintDebug("SVM Returned\n");
 
+    
+
+    STGI();
+
+     
     if (handle_svm_exit(info) != 0) {
-      // handle exit code....
+      PrintDebug("SVM ERROR!!\n");
       break;
     }
   }
@@ -308,6 +312,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
   guest_state->efer |= EFER_MSR_svm_enable;
   guest_state->rflags = 0x00000002; // The reserved bit is always 1
   ctrl_area->svm_instrs.VMRUN = 1;
+  ctrl_area->instrs.HLT = 1;
   // guest_state->cr0 = 0x00000001;    // PE 
   ctrl_area->guest_ASID = 1;
 
@@ -377,7 +382,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
       uchar_t * bitmap = (uchar_t *)io_port_bitmap;
 
       bitmap += (port / 8);
-      PrintDebug("Setting Bit in block %x\n", bitmap);
+      PrintDebug("Setting Bit for port 0x%x\n", port);
       *bitmap |= 1 << (port % 8);
     }
 
@@ -387,9 +392,12 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
     ctrl_area->instrs.IOIO_PROT = 1;
   }
 
-  //ctrl_area->instrs.instrs.INTR = 1;
 
 
+  PrintDebug("Exiting on interrupts\n");
+  ctrl_area->guest_ctrl.V_INTR_MASKING = 1;
+  ctrl_area->instrs.INTR = 1;
+
 
   if (vm_info.page_mode == SHADOW_PAGING) {
     PrintDebug("Creating initial shadow page table\n");
@@ -434,6 +442,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
 }
 
 
+#if 0
 void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) {
   vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
   vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
@@ -597,7 +606,7 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) {
 
 
 
-
+#endif