From d23c2a613df47d68d9ec3988f4eaf4c804501b6e Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Fri, 24 May 2024 00:10:04 +0200
Subject: [PATCH] 286/386 interpreter: reinstall VM_FLAG check on accessin the
 debug registers.

---
 src/cpu/x86_ops_mov_ctrl_2386.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/cpu/x86_ops_mov_ctrl_2386.h b/src/cpu/x86_ops_mov_ctrl_2386.h
index cae6c9957..6bb00d8da 100644
--- a/src/cpu/x86_ops_mov_ctrl_2386.h
+++ b/src/cpu/x86_ops_mov_ctrl_2386.h
@@ -82,7 +82,7 @@ opMOV_r_CRx_a32(uint32_t fetchdat)
 static int
 opMOV_r_DRx_a16(uint32_t fetchdat)
 {
-    if ((CPL > 0) && (cr0 & 1)) {
+    if (((CPL > 0) || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) {
         x86gpf(NULL, 0);
         return 1;
     }
@@ -124,7 +124,7 @@ opMOV_r_DRx_a16(uint32_t fetchdat)
 static int
 opMOV_r_DRx_a32(uint32_t fetchdat)
 {
-    if ((CPL > 0) && (cr0 & 1)) {
+    if (((CPL > 0) || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) {
         x86gpf(NULL, 0);
         return 1;
     }
@@ -282,7 +282,7 @@ opMOV_CRx_r_a32(uint32_t fetchdat)
 static int
 opMOV_DRx_r_a16(uint32_t fetchdat)
 {
-    if ((CPL > 0) && (cr0 & 1)) {
+    if (((CPL > 0) || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) {
         x86gpf(NULL, 0);
         return 1;
     }
@@ -325,7 +325,7 @@ opMOV_DRx_r_a16(uint32_t fetchdat)
 static int
 opMOV_DRx_r_a32(uint32_t fetchdat)
 {
-    if ((CPL > 0) && (cr0 & 1)) {
+    if (((CPL > 0) || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) {
         x86gpf(NULL, 0);
         return 1;
     }