[tkreuzer] 61040: [NTOSKRNK] Implement KiCallbackReturnHandler

Author: tkreuzer
Date: Mon Nov 18 17:23:04 2013
New Revision: 61040

URL: http://svn.reactos.org/svn/reactos?rev=61040&view=rev
Log:
[NTOSKRNK]
Implement KiCallbackReturnHandler

Modified:
    trunk/reactos/ntoskrnl/ke/i386/traphdlr.c

Modified: trunk/reactos/ntoskrnl/ke/i386/traphdlr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/traphdlr.…
==============================================================================
--- trunk/reactos/ntoskrnl/ke/i386/traphdlr.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ke/i386/traphdlr.c	[iso-8859-1] Mon Nov 18 17:23:04 2013
@@ -236,7 +236,7 @@
              IN PFX_SAVE_AREA SaveArea)
 {
     ULONG Cr0, Mask, Error, ErrorOffset, DataOffset;
-    
+
     /* Check for VDM trap */
     ASSERT((KiVdmTrap(TrapFrame)) == FALSE);
 
@@ -245,7 +245,7 @@
     {
         /* Kernel might've tripped a delayed error */
         SaveArea->Cr0NpxState |= CR0_TS;
-        
+
         /* Only valid if it happened during a restore */
         //if ((PVOID)TrapFrame->Eip == FrRestore)
         {
@@ -1455,7 +1455,16 @@
 FASTCALL
 KiCallbackReturnHandler(IN PKTRAP_FRAME TrapFrame)
 {
-    UNIMPLEMENTED_DBGBREAK();
+    NTSTATUS Status;
+
+    /* Pass the register parameters to NtCallbackReturn.
+       Result pointer is in ecx, result length in edx, status in eax */
+    Status = NtCallbackReturn((PVOID)TrapFrame->Ecx,
+                              TrapFrame->Edx,
+                              TrapFrame->Eax);
+
+    /* If we got here, something went wrong. Return an error to the caller */
+    KiServiceExit(TrapFrame, Status);
 }
 
 DECLSPEC_NORETURN
@@ -1567,7 +1576,7 @@
     /* Decode the system call number */
     Offset = (SystemCallNumber >> SERVICE_TABLE_SHIFT) & SERVICE_TABLE_MASK;
     Id = SystemCallNumber & SERVICE_NUMBER_MASK;
-    
+
     /* Get descriptor table */
     DescriptorTable = (PVOID)((ULONG_PTR)Thread->ServiceTable + Offset);