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.


Update to the device framework.
[palacios.git] / palacios / src / palacios / vmm.c
index c07476f..a20399b 100644 (file)
@@ -24,6 +24,8 @@
 #include <palacios/vmm_config.h>
 #include <palacios/vm_guest.h>
 #include <palacios/vmm_instrument.h>
+#include <palacios/vmm_ctrl_regs.h>
+#include <palacios/vmm_lowlevel.h>
 
 
 /* These should be the only global variables in Palacios */
@@ -47,23 +49,55 @@ void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops) {
     os_hooks = hooks;
     v3_cpu_type = V3_INVALID_CPU;
 
+    // Register all the possible device types
+    v3_init_devices();
+
 
 #ifdef INSTRUMENT_VMM
     v3_init_instrumentation();
 #endif
 
+    vmm_ops->allocate_guest = &allocate_guest;
+
     if (v3_is_svm_capable()) {
+        PrintDebug("Machine is SVM Capable\n");
+        v3_init_SVM(vmm_ops);
+    } else if (v3_is_vmx_capable()) {
+        PrintDebug("Machine is VMX Capable\n");
+        v3_init_vmx(vmm_ops);
+    } else {
+        PrintDebug("CPU has no virtualization Extensions\n");
+    }
+}
+
+
+
+#ifdef __V3_32BIT__
 
-       PrintDebug("Machine is SVM Capable\n");
-       vmm_ops->allocate_guest = &allocate_guest;
-       v3_init_SVM(vmm_ops);
+v3_cpu_mode_t v3_get_host_cpu_mode() {
+    uint32_t cr4_val;
+    struct cr4_32 * cr4;
 
-       /*
-         } else if (is_vmx_capable()) {
-         vmm_cpu_type = VMM_VMX_CPU;
-         PrintDebug("Machine is VMX Capable\n");
-         //Init_VMX();*/
+    __asm__ (
+            "movl %%cr4, %0; "
+            : "=r"(cr4_val) 
+            );
+
+    
+    cr4 = (struct cr4_32 *)&(cr4_val);
+
+    if (cr4->pae == 1) {
+       return PROTECTED_PAE;
     } else {
-       PrintDebug("CPU has no virtualization Extensions\n");
+       return PROTECTED;
     }
 }
+
+#elif __V3_64BIT__
+
+v3_cpu_mode_t v3_get_host_cpu_mode() {
+    return LONG;
+}
+
+#endif 
+