[aandrejevic] 60257: [SOFT386] Implement external stack modification. [NTVDM] Implement EmulatorSetStack for NEW_EMULATOR.

Author: aandrejevic
Date: Sat Sep 21 00:41:41 2013
New Revision: 60257
URL: http://svn.reactos.org/svn/reactos?rev=60257&view=rev
Log:
[SOFT386]
Implement external stack modification.
[NTVDM]
Implement EmulatorSetStack for NEW_EMULATOR.
Modified:
    branches/ntvdm/include/reactos/libs/soft386/soft386.h
    branches/ntvdm/lib/soft386/soft386.c
    branches/ntvdm/subsystems/ntvdm/emulator.c
Modified: branches/ntvdm/include/reactos/libs/soft386/soft386.h
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/include/reactos/libs/soft…
==============================================================================
--- branches/ntvdm/include/reactos/libs/soft386/soft386.h       [iso-8859-1] (original)
+++ branches/ntvdm/include/reactos/libs/soft386/soft386.h       [iso-8859-1] Sat Sep 21
00:41:41 2013
@@ -341,6 +341,10 @@
 NTAPI
 Soft386ExecuteAt(PSOFT386_STATE State, USHORT Segment, ULONG Offset);
+VOID
+NTAPI
+Soft386SetStack(PSOFT386_STATE State, USHORT Segment, ULONG Offset);
+
 #endif // _SOFT386_H_
 /* EOF */
Modified: branches/ntvdm/lib/soft386/soft386.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/soft386.c?rev…
==============================================================================
--- branches/ntvdm/lib/soft386/soft386.c        [iso-8859-1] (original)
+++ branches/ntvdm/lib/soft386/soft386.c        [iso-8859-1] Sat Sep 21 00:41:41 2013
@@ -270,4 +270,20 @@
     State->InstPtr.Long = Offset;
 }
+VOID
+NTAPI
+Soft386SetStack(PSOFT386_STATE State, USHORT Segment, ULONG Offset)
+{
+    /* Load the new SS */
+    if (!Soft386LoadSegment(State, SOFT386_REG_SS, Segment))
+    {
+        /* An exception occurred, let the handler execute instead */
+        return;
+    }
+
+    /* Set the new SP */
+    State->GeneralRegs[SOFT386_REG_ESP].Long = Offset;
+}
+
+
 /* EOF */
Modified: branches/ntvdm/subsystems/ntvdm/emulator.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/emulator…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/emulator.c  [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/emulator.c  [iso-8859-1] Sat Sep 21 00:41:41 2013
@@ -429,7 +429,7 @@
     /* Call the softx86 API */
     softx86_set_stack_ptr(&EmulatorContext, Segment, Offset);
 #else
-    // TODO: NOT IMPLEMENTED
+    Soft386SetStack(&EmulatorContext, Segment, Offset);
 #endif
 }