X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_xed.c;h=350840b153753cb8ed5fe4f00f1ac517aa084b52;hb=e0de615834461da95407a446d5883be3a45257a0;hp=1a80d18851f1d6f80dfc0c689dc565686343abc8;hpb=382829fe58cb541af371547325c5502e37032ecd;p=palacios.git

diff --git a/palacios/src/palacios/vmm_xed.c b/palacios/src/palacios/vmm_xed.c
index 1a80d18..350840b 100644
--- a/palacios/src/palacios/vmm_xed.c
+++ b/palacios/src/palacios/vmm_xed.c
@@ -167,6 +167,12 @@ int v3_init_decoder(struct guest_info * info) {
     }
 
     xed_state_t * decoder_state = (xed_state_t *)V3_Malloc(sizeof(xed_state_t));
+
+    if (!decoder_state) {
+	PrintError("Cannot allocate in initializing decoder\n");
+	return -1;
+    }
+
     xed_state_zero(decoder_state);
     xed_state_init(decoder_state,
 		   XED_MACHINE_MODE_LEGACY_32, 
@@ -443,6 +449,19 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
 
 
 		case XED_OPERAND_IMM0:
+		    {
+                v3_op->size = xed_decoded_inst_get_immediate_width(&xed_instr);
+
+                if (v3_op->size > 4) {
+                    PrintError("Unhandled 64 bit immediates\n");
+                    return -1;
+                }
+                v3_op->operand = xed_decoded_inst_get_unsigned_immediate(&xed_instr);
+
+                v3_op->type = IMM_OPERAND;
+
+		    }
+		    break;
 		case XED_OPERAND_AGEN:
 		case XED_OPERAND_PTR:
 		case XED_OPERAND_RELBR:
@@ -581,7 +600,7 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
 
 	    instr->third_operand.type = REG_OPERAND;
 
-	    PrintDebug("Operand 3 mode: %s\n", xed_operand_action_enum_t2str(xed_operand_rw(op)));
+	    PrintDebug("Operand 2 mode: %s\n", xed_operand_action_enum_t2str(xed_operand_rw(op)));
 
 
 	    if (xed_operand_read(op)) {
@@ -1270,6 +1289,9 @@ static v3_op_type_t get_opcode(xed_iform_enum_t iform) {
 	case XED_IFORM_INVLPG_MEMb:
 	    return V3_OP_INVLPG;
 
+    case XED_IFORM_INT_IMM:
+        return V3_OP_INT;
+
 
 	    /* Data Instructions */