-#include <palacios/vmm_decoder.h>
-#if VMM_XED
-#include <xed/xed-interface.h>
-#endif
-
-
-int parse() {
-#if !VMM_XED
- PrintDebug("XED is not included in this kernel\n");
-#else
- xed_state_t dstate;
- xed_decoded_inst_t xedd;
- xed_uint_t i, length;
- xed_uint8_t itext[100] = {0x01,0x00,0x00,0x00,0x12,0x00,0x55,0x48,0x89,0xe5,0x48,0x89,0x7d,0xf8,0x89,0x75,0xf4,0x89,0x55,0xf0,0x89,0x4d,0xec,0x48,0x8b,0x55,0xf8,0x8b,0x45,0xf4,0x89,0x02,0x48,0x8b,0x55,0xf8,0x8b,0x45,0xf0,0x89,0x42,0x04,0x48,0x8b,0x55,0xf8,0x8b,0x45,0xec,0x89,0x42,0x08,0xc9,0xc3,0x55,0x48,0x89,0xe5,0x48,0x89,0x7d,0xf8,0x48,0x8b,0x45,0xf8,0x8b,0x40,0x08,0xc9,0xc3,0x90,0x0};
- xed_bool_t long_mode = true;
- unsigned int first_argv;
- int num;
-
-
- for (i=0, num=1; i<100; i += length, num++){
- xed_tables_init();
- xed_state_zero(&dstate);
- //if (argc > 2 && strcmp(argv[1], "-64") == 0)
- long_mode = true;
-
- if (long_mode) {
- first_argv = 2;
- dstate.mmode=XED_MACHINE_MODE_LONG_64;
- }
- else {
- first_argv=1;
- xed_state_init(&dstate,
- XED_MACHINE_MODE_LEGACY_32,
- XED_ADDRESS_WIDTH_32b,
- XED_ADDRESS_WIDTH_32b);
- }
+/*
+ * 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".
+ */
- xed_decoded_inst_zero_set_mode(&xedd, &dstate);
- xed_error_enum_t xed_error = xed_decode(&xedd,
- REINTERPRET_CAST(const xed_uint8_t*,&itext[i]),
- XED_MAX_INSTRUCTION_BYTES);
- switch(xed_error) {
- case XED_ERROR_NONE:
- break;
- case XED_ERROR_BUFFER_TOO_SHORT:
- PrintDebug("Not enough bytes provided\n");
- return 1;
- case XED_ERROR_GENERAL_ERROR:
- PrintDebug("Could not decode given input.\n");
- return 1;
- default:
- PrintDebug("Unhandled error code \n");
- return 1;;
- }
- length = xed_decoded_inst_get_length (&xedd);
+#include <palacios/vmm_decoder.h>
- PrintDebug("\nThe %dth instruction:", num);
- PrintDebug("\ncategory: ");
- PrintDebug(" %s\n", xed_category_enum_t2str(xed_decoded_inst_get_category(&xedd)));;
- PrintDebug("ISA-extension:%s\n ",xed_extension_enum_t2str(xed_decoded_inst_get_extension(&xedd)));
- PrintDebug(" instruction-length: %d\n ", xed_decoded_inst_get_length(&xedd));
- PrintDebug(" operand-size:%d\n ", xed_operand_values_get_effective_operand_width(xed_decoded_inst_operands_const(&xedd)));
- PrintDebug("address-size:%d\n ", xed_operand_values_get_effective_address_width(xed_decoded_inst_operands_const(&xedd)));
- PrintDebug("iform-enum-name:%s\n ",xed_iform_enum_t2str(xed_decoded_inst_get_iform_enum(&xedd)));
- PrintDebug("iform-enum-name-dispatch (zero based):%d\n ", xed_decoded_inst_get_iform_enum_dispatch(&xedd));
- PrintDebug("iclass-max-iform-dispatch: %d\n ", xed_iform_max_per_iclass(xed_decoded_inst_get_iclass(&xedd)));
+int opcode_cmp(const uchar_t * op1, const uchar_t * op2) {
+ if (op1[0] != op2[0]) {
+ return op1[0] - op2[0];;
+ } else {
+ return memcmp(op1 + 1, op2 + 1, op1[0]);
+ }
+}
- // operands
- // print_operands(&xedd);
-
- // memops
- // print_memops(&xedd);
-
- // flags
- //print_flags(&xedd);
- // attributes
- //print_attributes(&xedd);*/
+void strip_rep_prefix(uchar_t * instr, int length) {
+ int read_ctr = 0;
+ int write_ctr = 0;
+ int found = 0;
+
+ while (read_ctr < length) {
+ if ((!found) &&
+ ( (instr[read_ctr] == 0xF2) ||
+ (instr[read_ctr] == 0xF3))) {
+ read_ctr++;
+ found = 1;
+ } else {
+ instr[write_ctr] = instr[read_ctr];
+ write_ctr++;
+ read_ctr++;
}
-
-#endif
-
- return 0;
+ }
}
