added new copyright and license

[palacios.git] / palacios / include / palacios / vmm_decoder.h

diff --git a/palacios/include/palacios/vmm_decoder.h b/palacios/include/palacios/vmm_decoder.h
index bee9b4f..de00a02 100644 (file)
--- a/palacios/include/palacios/vmm_decoder.h
+++ b/palacios/include/palacios/vmm_decoder.h
@@ -1,5 +1,25 @@
-#ifndef __VMM_EMULATE_H
-#define __VMM_EMULATE_H
+
+/*
+ * 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".
+ */
+
+#ifndef __VMM_DECODER_H
+#define __VMM_DECODER_H
 
 #ifdef __V3VEE__
 
@@ -7,7 +27,7 @@
 #include <palacios/vmm.h>
 
 
-typedef enum {INVALID_OPERAND, REG_OPERAND, MEM_OPERAND} operand_type_t;
+typedef enum {INVALID_OPERAND, REG_OPERAND, MEM_OPERAND, IMM_OPERAND} operand_type_t;
 
 struct x86_operand {
   addr_t operand;
@@ -40,13 +60,22 @@ struct x86_instr {
   uint_t instr_length;
   addr_t opcode;    // a pointer to the V3_OPCODE_[*] arrays defined below
   uint_t num_operands;
-  struct x86_operand first_operand;
-  struct x86_operand second_operand;
+  struct x86_operand dst_operand;
+  struct x86_operand src_operand;
   struct x86_operand third_operand;
   void * decoder_data;
 };
 
 
+struct basic_instr_info {
+  uint_t instr_length;
+  uint_t op_size;
+  uint_t str_op    : 1;
+  uint_t has_rep : 1;
+};
+
+
+
   /************************/
  /* EXTERNAL DECODER API */
 /************************/
@@ -80,10 +109,16 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
 int v3_encode(struct guest_info * info, struct x86_instr * instr, char * instr_buf);
 
 
+/*
+ * Gets the operand size for a memory operation
+ *
+ */
+int v3_basic_mem_decode(struct guest_info * info, addr_t instr_ptr, struct basic_instr_info * instr_info);
 
 
 
-
+/* Removes a rep prefix in place */
+void strip_rep_prefix(uchar_t * instr, int length);