added decoder support for cr0 write handler

[palacios.git] / palacios / src / palacios / vmm_decoder.c

diff --git a/palacios/src/palacios/vmm_decoder.c b/palacios/src/palacios/vmm_decoder.c
index 77ece9b..6d1299a 100644 (file)
--- a/palacios/src/palacios/vmm_decoder.c
+++ b/palacios/src/palacios/vmm_decoder.c
@@ -1,37 +1,10 @@
 #include <palacios/vmm_decoder.h>
 
 
-
-/* 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) {
-
-  V3_ASSERT(src_operand != NULL);
-  V3_ASSERT(dst_operand != NULL);
-  V3_ASSERT(extra_operand != NULL);
-  V3_ASSERT(instr_length != NULL);
-  V3_ASSERT(info != NULL);
-
-  
-  // Ignore prefixes for now
-  while (is_prefix_byte(*instr_ptr)) {
-    instr_ptr++;
-    *instr_length++;
+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]);
   }
-
-
-  // Opcode table lookup, see xen/kvm
-
-
-
-
-
-  return 0;
 }