Fabian Maurer : ntoskrnl: Emulate sti/cli instructions on x86_64.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: fe14404e25c6bcd8d820071e7e6b49585a0e39af
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=fe14404e25c6bcd8d820071e7...

Author: Fabian Maurer 
Date:   Thu Aug  2 17:08:37 2018 +0200

ntoskrnl: Emulate sti/cli instructions on x86_64.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45521
Signed-off-by: Fabian Maurer 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit d509b1579ef46638875cc87ec29f937123f8f52c)
Signed-off-by: Michael Stefaniuc

---

dlls/ntoskrnl.exe/instr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/ntoskrnl.exe/instr.c b/dlls/ntoskrnl.exe/instr.c
index aef0ed0..bf1fa3f 100644
--- a/dlls/ntoskrnl.exe/instr.c
+++ b/dlls/ntoskrnl.exe/instr.c
@@ -829,6 +829,11 @@ static DWORD emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT *context )
         }
         break;  /* Unable to emulate it */
     }
+
+    case 0xfa: /* cli */
+    case 0xfb: /* sti */
+        context->Rip += prefixlen + 1;
+        return ExceptionContinueExecution;
     }
     return ExceptionContinueSearch;  /* Unable to emulate it */
 }