Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


added decoder support for cr0 write handler
[palacios.git] / palacios / src / palacios / vmm_decoder.c
index a67887e..6d1299a 100644 (file)
@@ -1,86 +1,10 @@
 #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);
-           }
-
-           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);
-
-           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;
+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]);
+  }
 }