Merge pull request #1139 from 86Box/tc1995

Ported the most important patches from PCem.

src/cpu/386_common.c

@@ -1169,6 +1169,8 @@ enter_smm(int in_hlt)
 
 	flushmmucache();
     }
+    
+    oldcpl = 0;
 
     cpu_cur_status &= ~(CPU_STATUS_PMODE | CPU_STATUS_V86);
     CPU_BLOCK_END();
@@ -1265,6 +1267,8 @@ leave_smm(void)
 
     nmi_mask = 1;
 
+    oldcpl = CPL;
+
     CPU_BLOCK_END();
 
     x386_common_log("CS : seg = %04X, base = %08X, limit = %08X, limit_low = %08X, limit_high = %08X, access = %02X, ar_high = %02X\n",