Merge branch 'devel' of /home-remote/palacios/palacios into devel

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

diff --git a/palacios/src/palacios/vmm_xed.c b/palacios/src/palacios/vmm_xed.c
index 36612ba..80fbfde 100644 (file)
--- a/palacios/src/palacios/vmm_xed.c
+++ b/palacios/src/palacios/vmm_xed.c
@@ -313,6 +313,8 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
     xed_decoded_inst_t xed_instr;
     xed_error_enum_t xed_error;
 
+    memset(instr, 0, sizeof(struct x86_instr));
+
 
     v3_get_prefixes((uchar_t *)instr_ptr, &(instr->prefixes));
 
@@ -402,18 +404,6 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
 
        v3_op = &(instr->dst_operand);
 
-       if ((op->_rw == XED_OPERAND_ACTION_RW) || 
-           (op->_rw == XED_OPERAND_ACTION_R)|| 
-           (op->_rw == XED_OPERAND_ACTION_RCW)) {
-           v3_op->read = 1;
-       }
-
-       if ((op->_rw == XED_OPERAND_ACTION_RW) || 
-           (op->_rw == XED_OPERAND_ACTION_W) || 
-           (op->_rw == XED_OPERAND_ACTION_CRW)) {
-           v3_op->write = 1;
-       }
-
        if (xed_operand_is_register(op_enum)) {
            xed_reg_enum_t xed_reg =  xed_decoded_inst_get_reg(&xed_instr, op_enum);
            int v3_reg_type = xed_reg_to_v3_reg(info, 
@@ -453,6 +443,19 @@ 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:
@@ -461,6 +464,18 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
                    return -1;
            }
        }
+
+//     V3_Print("Operand 0 mode: %s\n", xed_operand_action_enum_t2str(xed_operand_rw(op)));
+
+
+       if (xed_operand_read(op)) {
+           v3_op->read = 1;
+       }
+
+       if (xed_operand_written(op)) {
+           v3_op->write = 1;
+       }
+
     }
 
     // set second operand
@@ -480,17 +495,6 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
        */
        v3_op = &(instr->src_operand);
 
-       if ((op->_rw == XED_OPERAND_ACTION_RW) || 
-           (op->_rw == XED_OPERAND_ACTION_R)|| 
-           (op->_rw == XED_OPERAND_ACTION_RCW)) {
-           v3_op->read = 1;
-       }
-
-       if ((op->_rw == XED_OPERAND_ACTION_RW) || 
-           (op->_rw == XED_OPERAND_ACTION_W) || 
-           (op->_rw == XED_OPERAND_ACTION_CRW)) {
-           v3_op->write = 1;
-       }
 
        if (xed_operand_is_register(op_enum)) {
            xed_reg_enum_t xed_reg =  xed_decoded_inst_get_reg(&xed_instr, op_enum);
@@ -550,6 +554,17 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
                    return -1;
            }
        }
+
+//     V3_Print("Operand 1 mode: %s\n", xed_operand_action_enum_t2str(xed_operand_rw(op)));
+
+       if (xed_operand_read(op)) {
+           v3_op->read = 1;
+       }
+
+       if (xed_operand_written(op)) {
+           v3_op->write = 1;
+       }
+
     }
 
     // set third operand
@@ -558,17 +573,7 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
        xed_operand_type_enum_t op_type = xed_operand_type(op);
        xed_operand_enum_t op_enum = xed_operand_name(op);
 
-       if ((op->_rw == XED_OPERAND_ACTION_RW) || 
-           (op->_rw == XED_OPERAND_ACTION_R)|| 
-           (op->_rw == XED_OPERAND_ACTION_RCW)) {
-           instr->third_operand.read = 1;
-       }
 
-       if ((op->_rw == XED_OPERAND_ACTION_RW) || 
-           (op->_rw == XED_OPERAND_ACTION_W) || 
-           (op->_rw == XED_OPERAND_ACTION_CRW)) {
-           instr->third_operand.write = 1;
-       }
 
        if (xed_operand_is_register(op_enum)) {
            xed_reg_enum_t xed_reg =  xed_decoded_inst_get_reg(&xed_instr, op_enum);
@@ -589,6 +594,17 @@ int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * ins
 
            instr->third_operand.type = REG_OPERAND;
 
+           PrintDebug("Operand 2 mode: %s\n", xed_operand_action_enum_t2str(xed_operand_rw(op)));
+
+
+           if (xed_operand_read(op)) {
+               instr->third_operand.read = 1;
+           }
+
+           if (xed_operand_written(op)) {
+               instr->third_operand.write = 1;
+           }
+
        } else {
            PrintError("Unhandled third operand type %s\n", xed_operand_type_enum_t2str(op_type));
            instr->num_operands = 2;
@@ -1267,6 +1283,10 @@ static v3_op_type_t get_opcode(xed_iform_enum_t iform) {
        case XED_IFORM_INVLPG_MEMb:
            return V3_OP_INVLPG;
 
+    // KCH
+    case XED_IFORM_INT_IMM:
+        return V3_OP_INT;
+
 
            /* Data Instructions */