Ported the most important patches from PCem.

2020-12-01 21:06:01 +01:00
parent c5f4cda6db
commit 462ff300da
3 changed files with 59 additions and 11 deletions
--- a/src/cpu/386_common.c
+++ b/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",