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.


added host cpu type function
[palacios.git] / palacios / src / palacios / vmm.c
index 036d8ae..e860391 100644 (file)
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
 #include <palacios/vmm.h>
 #include <palacios/svm.h>
 #include <palacios/vmx.h>
 #include <palacios/vmm_intr.h>
+#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>
+
 
-uint_t vmm_cpu_type;
+/* These should be the only global variables in Palacios */
+/* They are architecture specific variables */
+v3_cpu_arch_t v3_cpu_type;
+struct v3_os_hooks * os_hooks = NULL;
 
 
 
+static struct guest_info * allocate_guest() {
+    void * info = V3_Malloc(sizeof(struct guest_info));
+    memset(info, 0, sizeof(struct guest_info));
+    return info;
+}
+
 
-struct vmm_os_hooks * os_hooks = NULL;
 
+void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops) {
+    
+    // Set global variables. 
+    os_hooks = hooks;
+    v3_cpu_type = V3_INVALID_CPU;
 
 
+#ifdef INSTRUMENT_VMM
+    v3_init_instrumentation();
+#endif
 
+    if (v3_is_svm_capable()) {
+
+       PrintDebug("Machine is SVM Capable\n");
+       vmm_ops->allocate_guest = &allocate_guest;
+       v3_init_SVM(vmm_ops);
+
+       /*
+         } else if (is_vmx_capable()) {
+         vmm_cpu_type = VMM_VMX_CPU;
+         PrintDebug("Machine is VMX Capable\n");
+         //Init_VMX();*/
+    } else {
+       PrintDebug("CPU has no virtualization Extensions\n");
+    }
+}
 
-void Init_V3(struct vmm_os_hooks * hooks, struct vmm_ctrl_ops * vmm_ops) {
-  vmm_cpu_type = VMM_INVALID_CPU;
 
-  os_hooks = hooks;
 
+#ifdef __V3_32BIT__
 
-  if (is_svm_capable()) {
-    vmm_cpu_type = VMM_SVM_CPU;
-    PrintDebug("Machine is SVM Capable\n");
+v3_cpu_mode_t v3_get_host_cpu_mode() {
+    uint32_t cr4_val;
+    struct cr4_32 * cr4;
 
-    Init_SVM(vmm_ops);
+    __asm__ (
+            "movl %%cr4, %0; "
+            : "=r"(cr4_val) 
+            );
 
-    /*
-  } else if (is_vmx_capable()) {
-    vmm_cpu_type = VMM_VMX_CPU;
-    PrintDebug("Machine is VMX Capable\n");
-    //Init_VMX();*/
-  } else {
-    PrintDebug("CPU has no virtualization Extensions\n");
-  }
+    
+    cr4 = (struct cr4_32 *)&(cr4_val);
+
+    if (cr4->pae == 1) {
+       return PROTECTED_PAE;
+    } else {
+       return PROTECTED;
+    }
+}
+
+#elif __V3_64BIT__
+
+v3_cpu_mode_t v3_get_host_cpu_mode() {
+    return LONG;
 }
+
+#endif 
+