Software interrupt decoder support

[palacios.git] / palacios / src / palacios / vmm_v3dec.c

diff --git a/palacios/src/palacios/vmm_v3dec.c b/palacios/src/palacios/vmm_v3dec.c
index 54e11ad..b862f96 100644 (file)
--- a/palacios/src/palacios/vmm_v3dec.c
+++ b/palacios/src/palacios/vmm_v3dec.c
@@ -20,7 +20,7 @@
 #include <palacios/vmm_decoder.h>
 #include <palacios/vmm_instr_decoder.h>
 
-#ifndef CONFIG_DEBUG_DECODER
+#ifndef V3_CONFIG_DEBUG_DECODER
 #undef PrintDebug
 #define PrintDebug(fmt, args...)
 #endif
@@ -121,7 +121,7 @@ int v3_decode(struct guest_info * core, addr_t instr_ptr, struct x86_instr * ins
 
     instr->instr_length += length;
 
-#ifdef CONFIG_DEBUG_DECODER
+#ifdef V3_CONFIG_DEBUG_DECODER
     v3_print_instr(instr);
 #endif
 
@@ -446,23 +446,40 @@ static int parse_operands(struct guest_info * core, uint8_t * instr_ptr,
        }
        case INVLPG: {
            uint8_t reg_code = 0;
-           
+
            ret = decode_rm_operand(core, instr_ptr, form, instr, &(instr->dst_operand), &reg_code);
-           
+
            if (ret == -1) {
                PrintError("Error decoding operand for (%s)\n", op_form_to_str(form));
                return -1;
            }
-           
+
            instr_ptr += ret;
-           
+
+           instr->num_operands = 1;
+           break;
+       }
+       case LMSW: 
+       case SMSW: {
+           uint8_t reg_code = 0;
+
+           ret = decode_rm_operand(core, instr_ptr, form, instr, &(instr->dst_operand), &reg_code);
+
+           if (ret == -1) {
+               PrintError("Error decoding operand for (%s)\n", op_form_to_str(form));
+               return -1;
+           }
+
+           instr_ptr += ret;
+
+           instr->dst_operand.read = 1;
+
            instr->num_operands = 1;
            break;
        }
        case CLTS: {
            // no operands. 
            break;
-           
        }
        default:
            PrintError("Invalid Instruction form: %s\n", op_form_to_str(form));
@@ -484,12 +501,14 @@ static v3_op_type_t op_form_to_type(op_form_t form) {
        case INVLPG:
            return V3_OP_INVLPG;
 
+        case INT:
+           return V3_OP_INT;
+           
        case MOV_CR2:
            return V3_OP_MOVCR2;
        case MOV_2CR:
            return V3_OP_MOV2CR;
 
-
        case MOV_MEM2_8:
        case MOV_MEM2:
        case MOV_2MEM_8:
@@ -515,7 +534,6 @@ static v3_op_type_t op_form_to_type(op_form_t form) {
            return V3_OP_MOVZX;
 
 
-           
        case ADC_2MEM_8:
        case ADC_2MEM:
        case ADC_MEM2_8: