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.


booting geekos up to the timer initialization
[palacios.git] / palacios / src / palacios / svm_handler.c
index 8ca0e50..ab2faae 100644 (file)
@@ -27,6 +27,7 @@ int handle_svm_exit(struct guest_info * info) {
 
   exit_code = guest_ctrl->exit_code;
  
+  PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); 
   // PrintDebugVMCB((vmcb_t*)(info->vmm_data));
 
 
@@ -66,6 +67,14 @@ int handle_svm_exit(struct guest_info * info) {
     if (handle_cr0_write(info) == -1) {
       return -1;
     }
+  } else if (exit_code == VMEXIT_CR0_READ) {
+    PrintDebug("CR0 Read\n");
+
+    if (handle_cr0_read(info) == -1) {
+      return -1;
+    }
+
+
     /*
   } else if (( (exit_code == VMEXIT_CR3_READ)  ||
               (exit_code == VMEXIT_CR3_WRITE) ||
@@ -84,10 +93,16 @@ int handle_svm_exit(struct guest_info * info) {
     PrintDebug("Guest halted\n");
     return -1;
   } else {
-    addr_t rip_addr = get_addr_linear(info, guest_state->rip, guest_state->cs.selector);
+    addr_t rip_addr;
     char buf[15];
     addr_t host_addr;
 
+    if (info->cpu_mode == REAL) {
+      rip_addr = get_addr_linear(info, guest_state->rip, guest_state->cs.selector);
+    } else {
+      rip_addr = get_addr_linear(info, guest_state->rip, guest_state->cs.base);
+    }
+
 
     PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data); 
     PrintDebug("RIP: %x\n", guest_state->rip);
@@ -126,12 +141,13 @@ int handle_svm_exit(struct guest_info * info) {
   // Update the low level state
 
   if (intr_pending(&(info->intr_state))) {
-    guest_ctrl->EVENTINJ.vector = get_intr_number(&(info->intr_state));
-    guest_ctrl->EVENTINJ.valid = 1;
+
     switch (get_intr_type(&(info->intr_state))) {
     case EXTERNAL_IRQ:
+      guest_ctrl->EVENTINJ.vector = get_intr_number(&(info->intr_state));
+      guest_ctrl->EVENTINJ.valid = 1;
       guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXTERNAL_INTR;
+      
       break;
     case NMI:
       guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
@@ -153,6 +169,10 @@ int handle_svm_exit(struct guest_info * info) {
       return -1;
     }
 
+
+    PrintDebug("Injecting Interrupt %d (EIP=%x)\n", guest_ctrl->EVENTINJ.vector, info->rip);
+
     // IMPORTANT TODO
     // We need to figure out stack parameters....
 
@@ -160,10 +180,16 @@ int handle_svm_exit(struct guest_info * info) {
 
   }
 
+
+
   guest_state->rax = info->vm_regs.rax;
   guest_state->rip = info->rip;
   guest_state->rsp = info->vm_regs.rsp;
 
+  if (exit_code == VMEXIT_INTR) {
+    PrintDebug("INTR ret IP = %x\n", guest_state->rip);
+  }
+
   return 0;
 }
 
@@ -193,19 +219,8 @@ int handle_svm_intr(struct guest_info * info) {
 
   PrintDebug("SVM Returned: Exit Code: %x\n",guest_ctrl->exit_code); 
   PrintDebug("V_INTR_VECTOR: 0x%x\n", guest_ctrl->guest_ctrl.V_INTR_VECTOR);
-  
-
-
 
   while(1);
-
-                                    
-
-
-
-  
     
   return 0;
 }