Change to internal v3_yield/yield_cond semantics:

[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 1a80d18..350840b 100644 (file)
--- 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 */