X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_lowlevel.h;fp=palacios%2Finclude%2Fpalacios%2Fvmm_lowlevel.h;h=ea32b2308ade96424f54e587a87962aba941f7fd;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3

diff --git a/palacios/include/palacios/vmm_lowlevel.h b/palacios/include/palacios/vmm_lowlevel.h
new file mode 100644
index 0000000..ea32b23
--- /dev/null
+++ b/palacios/include/palacios/vmm_lowlevel.h
@@ -0,0 +1,83 @@
+/* 
+ * 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");
+}
+