added print message for STOS debugging

diff --git a/palacios/src/palacios/vmm_emulator.c b/palacios/src/palacios/vmm_emulator.c
index e5cf1f2..15a56d6 100644 (file)
--- a/palacios/src/palacios/vmm_emulator.c
+++ b/palacios/src/palacios/vmm_emulator.c
@@ -313,6 +313,10 @@ static int run_str_op(struct guest_info * core, struct x86_instr * instr,
     int emulation_length = op_size * rep_cnt;
     struct rflags * flags_reg = (struct rflags *)&(core->ctrl_regs.rflags);
 
+
+    PrintError("Emulation_len=%d, tmp_rcx=%d\n", emulation_length, (uint_t)tmp_rcx);
+
+
     if (instr->op_type == V3_OP_MOVS) {
        if (op_size== 1) {
            movs8((addr_t *)&dst_addr, &src_addr, &tmp_rcx, (addr_t *)&(core->ctrl_regs.rflags));
@@ -358,6 +362,8 @@ static int run_str_op(struct guest_info * core, struct x86_instr * instr,
            return -1;
        }
 
+
+
        if (flags_reg->df == 0) {
            core->vm_regs.rdi += emulation_length;
        } else {
@@ -383,8 +389,7 @@ int v3_emulate(struct guest_info * core, struct x86_instr * instr,
 
     addr_t src_hva = 0;
     addr_t dst_hva = 0;
-    
-    PrintError("USING THE NEW EMULATOR\n");
+
 
     if (instr->src_operand.type == MEM_OPERAND) {
        src_hva = mem_hva_src;
@@ -393,7 +398,7 @@ int v3_emulate(struct guest_info * core, struct x86_instr * instr,
     } else {
        src_hva = (addr_t)&(instr->src_operand.operand);
     }
-       
+
     if (instr->dst_operand.type == MEM_OPERAND) {
        dst_hva = mem_hva_dst;
     } else if (instr->dst_operand.type == REG_OPERAND) {
@@ -401,7 +406,7 @@ int v3_emulate(struct guest_info * core, struct x86_instr * instr,
     } else {
        dst_hva = (addr_t)&(instr->dst_operand.operand);
     }
-    
+ 
 
     if (instr->is_str_op == 0) {
        int src_op_len = instr->src_operand.size;
@@ -421,6 +426,5 @@ int v3_emulate(struct guest_info * core, struct x86_instr * instr,
     }
 
 
-
     return -1;
 }