#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;
+
-/* The full blown instruction parser... */
-int v3_parse_instr(struct guest_info * info,
- char * instr_ptr,
- uint_t * instr_length,
- addr_t * opcode,
- uint_t * opcode_length,
- struct x86_prefix_list * prefixes,
- struct x86_operand * src_operand,
- struct x86_operand * dst_operand,
- struct x86_operand * extra_operand) {
+ 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;
- V3_ASSERT(src_operand != NULL);
- V3_ASSERT(dst_operand != NULL);
- V3_ASSERT(extra_operand != NULL);
- V3_ASSERT(instr_length != NULL);
- V3_ASSERT(info != NULL);
+ 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);
+ }
-
- // Ignore prefixes for now
- while (is_prefix_byte(*instr_ptr)) {
- instr_ptr++;
- *instr_length++;
- }
+ 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);
- // Opcode table lookup, see xen/kvm
+ 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)));
+ // operands
+ // print_operands(&xedd);
+
+ // memops
+ // print_memops(&xedd);
+
+ // flags
+ //print_flags(&xedd);
+ // attributes
+ //print_attributes(&xedd);*/
+ }
+#endif
- return 0;
+ return 0;
}
