+/*
+ * 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>
+
+
+/* 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;
+}
-uint_t vmm_cpu_type;
+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;
-struct vmm_os_hooks * os_hooks = NULL;
+#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 (v3_is_vmx_capable()) {
+ PrintDebug("Machine is VMX Capable\n");
+ v3_init_vmx(vmm_ops);
+ } 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__
+v3_cpu_mode_t v3_get_host_cpu_mode() {
+ uint32_t cr4_val;
+ struct cr4_32 * cr4;
- if (is_svm_capable()) {
- vmm_cpu_type = VMM_SVM_CPU;
- PrintDebug("Machine is SVM Capable\n");
+ __asm__ (
+ "movl %%cr4, %0; "
+ : "=r"(cr4_val)
+ );
- Init_SVM(vmm_ops);
+
+ cr4 = (struct cr4_32 *)&(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");
- }
+ 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
+
