-#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__
};
+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 */
/************************/
* Gets the operand size for a memory operation
*
*/
-int v3_basic_mem_decode(struct guest_info * info, addr_t instr_ptr, uint_t * size, uint_t * instr_len);
-
+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);
int opcode_cmp(const uchar_t * op1, const uchar_t * op2);
-static inline int is_prefix_byte(char byte) {
+static inline int is_prefix_byte(uchar_t byte) {
switch (byte) {
case 0xF0: // lock
case 0xF2: // REPNE/REPNZ
static inline operand_type_t decode_operands32(struct v3_gprs * gprs, // input/output
- char * modrm_instr, // input
+ uchar_t * modrm_instr, // input
int * offset, // output
addr_t * first_operand, // output
addr_t * second_operand, // output
reg_size_t reg_size) { // input
- char * instr_cursor = modrm_instr;
+ uchar_t * instr_cursor = modrm_instr;
struct modrm_byte * modrm = (struct modrm_byte *)modrm_instr;
addr_t base_addr = 0;
modrm_mode_t mod_mode = 0;