--- /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_types.h>
+
+
+#ifdef __V3_32BIT__
+
+void __inline__ v3_cpuid(uint_t target, addr_t * eax, addr_t * ebx, addr_t * ecx, addr_t * edx) {
+ __asm__ __volatile__ (
+ "pushl %%ebx\n\t"
+ "cpuid\n\t"
+ "movl %%ebx, %%esi\n\t"
+ "popl %%ebx\n\t"
+ : "=a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "a" (target)
+ );
+ return;
+}
+
+#elif __V3_64BIT__
+
+void __inline__ v3_cpuid(uint_t target, addr_t * eax, addr_t * ebx, addr_t * ecx, addr_t * edx) {
+ __asm__ __volatile__ (
+ "pushq %%rbx\n\t"
+ "cpuid\n\t"
+ "movq %%rbx, %%rsi\n\t"
+ "popq %%rbx\n\t"
+ : "=a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "a" (target)
+ );
+ return;
+}
+
+#endif
+
+
+void __inline__ v3_set_msr(uint_t msr, uint_t high_byte, uint_t low_byte) {
+ __asm__ __volatile__ (
+ "wrmsr"
+ :
+ : "c" (msr), "d" (high_byte), "a" (low_byte)
+ );
+
+
+}
+
+
+
+void __inline__ v3_get_msr(uint_t msr, uint_t * high_byte, uint_t * low_byte) {
+ __asm__ __volatile__ (
+ "rdmsr"
+ : "=d" (*high_byte), "=a" (*low_byte)
+ : "c" (msr)
+ );
+}
+
+
+
+void __inline__ v3_enable_ints() {
+ __asm__ __volatile__ ("sti");
+}
+
+void __inline__ v3_disable_ints() {
+ __asm__ __volatile__ ("cli");
+}
+