X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_xed.c;h=24bac957b6ab33d4312ee744486ee1679b5607ae;hb=26807ca4c1fd7ea21a615b29626e73a75873bead;hp=3511f8a2383c2eba2bbfda616e41c0b73fed1ee6;hpb=39849abeb743c4e6b669a790c307979fa8d51884;p=palacios.git

diff --git a/palacios/src/palacios/vmm_xed.c b/palacios/src/palacios/vmm_xed.c
index 3511f8a..24bac95 100644
--- a/palacios/src/palacios/vmm_xed.c
+++ b/palacios/src/palacios/vmm_xed.c
@@ -102,7 +102,7 @@ static int xed_reg_to_v3_reg(struct guest_info * info, xed_reg_enum_t xed_reg, a
 static int get_memory_operand(struct guest_info * info,  xed_decoded_inst_t * xed_instr, uint_t index, struct x86_operand * operand);
 
 static int set_decoder_mode(struct guest_info * info, xed_state_t * state) {
-    switch (info->cpu_mode) {
+    switch (v3_get_vm_cpu_mode(info)) {
 	case REAL:
 	    if (state->mmode != XED_MACHINE_MODE_LEGACY_16) {
 		xed_state_init(state,
@@ -565,7 +565,8 @@ static int get_memory_operand(struct guest_info * info,  xed_decoded_inst_t * xe
     addr_t scale;
     addr_t index;
     ullong_t displacement;
-    int addr_width = v3_get_addr_width(info);;
+    int addr_width = v3_get_addr_width(info);
+    v3_cpu_mode_t cpu_mode = v3_get_vm_cpu_mode(info);
     // struct v3_segment * seg_reg;
 
     PrintDebug("Xed mode = %s\n", xed_machine_mode_enum_t2str(xed_state_get_machine_mode(info->decoder_state)));
@@ -645,7 +646,7 @@ static int get_memory_operand(struct guest_info * info,  xed_decoded_inst_t * xe
 
     // This is a horrendous hack...
     // XED really screwed the pooch in calculating the displacement
-    if (v3_get_vm_cpu_mode(info) == LONG) {
+    if (cpu_mode == LONG) {
 	displacement = mem_op.displacement;
     } else {
 	displacement = MASK(mem_op.displacement, mem_op.displacement_size);
@@ -654,7 +655,11 @@ static int get_memory_operand(struct guest_info * info,  xed_decoded_inst_t * xe
     PrintDebug("Seg=%p, base=%p, index=%p, scale=%p, displacement=%p\n", 
 	       (void *)seg, (void *)base, (void *)index, (void *)scale, (void *)(addr_t)displacement);
   
-    operand->operand = MASK((seg + base + (scale * index) + displacement), addr_width);
+    if (cpu_mode == REAL) {
+	operand->operand = seg +  MASK((base + (scale * index) + displacement), addr_width);
+    } else {
+	operand->operand = MASK((seg + base + (scale * index) + displacement), addr_width);
+    }
 
     return 0;
 }