[reactos] 01/01: [NTOS/KE] Add diagnosis DPRINT for CORE-15642

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5d6c2869819684df9cc2b…

commit 5d6c2869819684df9cc2bd069d0419b3ab9dbff5
Author:     Jérôme Gardou <jerome.gardou(a)reactos.org>
AuthorDate: Mon Jan 21 09:35:20 2019 +0100
Commit:     Jérôme Gardou <zefklop(a)users.noreply.github.com>
CommitDate: Mon Jan 21 09:38:29 2019 +0100

    [NTOS/KE] Add diagnosis DPRINT for CORE-15642
---
 ntoskrnl/ke/i386/v86vdm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/ke/i386/v86vdm.c b/ntoskrnl/ke/i386/v86vdm.c
index 09405e8bde..d1c030acc0 100644
--- a/ntoskrnl/ke/i386/v86vdm.c
+++ b/ntoskrnl/ke/i386/v86vdm.c
@@ -429,7 +429,9 @@ KiVdmHandleOpcode(IN PKTRAP_FRAME TrapFrame,
         case 0xF4:              return KiCallVdmHandler(HLT);
         case 0xFA:              return KiCallVdmHandler(CLI);
         case 0xFB:              return KiCallVdmHandler(STI);
-        default:                return KiCallVdmHandler(INV);
+        default:
+            DPRINT1("Unhandled instruction: 0x%02x.\n", *(PUCHAR)Eip);
+            return KiCallVdmHandler(INV);
     }
 }