--- /dev/null
+/*
+ * 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_msr.h>
+#include <palacios/vmm.h>
+#include <palacios/vm_guest.h>
+
+
+void v3_init_msr_map(struct guest_info * info) {
+ struct v3_msr_map * msr_map = &(info->msr_map);
+
+ INIT_LIST_HEAD(&(msr_map->hook_list));
+ msr_map->num_hooks = 0;
+}
+
+
+int v3_hook_msr(struct guest_info * info, uint_t msr,
+ int (*read)(uint_t msr, struct v3_msr * dst, void * priv_data),
+ int (*write)(uint_t msr, struct v3_msr src, void * priv_data),
+ void * priv_data) {
+
+ struct v3_msr_map * msr_map = &(info->msr_map);
+ struct v3_msr_hook * hook = NULL;
+
+ hook = (struct v3_msr_hook *)V3_Malloc(sizeof(struct v3_msr_hook));
+ if (hook == NULL) {
+ PrintError("Could not allocate msr hook for MSR %d\n", msr);
+ return -1;
+ }
+
+ hook->read = read;
+ hook->write = write;
+ hook->msr = msr;
+ hook->priv_data = priv_data;
+
+ list_add(&(hook->link), &(msr_map->hook_list));
+
+ return 0;
+}
+
+
+int v3_unhook_msr(struct guest_info * info, uint_t msr) {
+ return -1;
+}
+
+
+
+struct v3_msr_hook * v3_get_msr_hook(struct guest_info * info, uint_t msr) {
+ struct v3_msr_map * msr_map = &(info->msr_map);
+ struct v3_msr_hook * hook = NULL;
+
+ list_for_each_entry(hook, &(msr_map->hook_list), link) {
+ if (hook->msr == msr) {
+ return hook;
+ }
+ }
+
+ return NULL;
+}
+
+
+void v3_print_msr_map(struct guest_info * info) {
+ struct v3_msr_map * msr_map = &(info->msr_map);
+ struct v3_msr_hook * hook = NULL;
+
+ list_for_each_entry(hook, &(msr_map->hook_list), link) {
+ PrintDebug("MSR HOOK (MSR=%d) (read=0x%p) (write=0x%p)\n",
+ hook->msr, hook->read, hook->write);
+ }
+}