[aandrejevic] 60711: [FAST486] Implement PUSH/POP FS/GS.

Author: aandrejevic
Date: Sat Oct 19 18:36:04 2013
New Revision: 60711

URL: http://svn.reactos.org/svn/reactos?rev=60711&view=rev
Log:
[FAST486]
Implement PUSH/POP FS/GS.

Modified:
    branches/ntvdm/lib/fast486/extraops.c
    branches/ntvdm/lib/fast486/extraops.h

Modified: branches/ntvdm/lib/fast486/extraops.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/fast486/extraops.c?rev...
==============================================================================
--- branches/ntvdm/lib/fast486/extraops.c	[iso-8859-1] (original)
+++ branches/ntvdm/lib/fast486/extraops.c	[iso-8859-1] Sat Oct 19 18:36:04 2013
@@ -198,16 +198,16 @@
     Fast486ExtOpcodeConditionalSet,
     Fast486ExtOpcodeConditionalSet,
     Fast486ExtOpcodeConditionalSet,
-    NULL, // TODO: OPCODE 0xA0 NOT IMPLEMENTED
-    NULL, // TODO: OPCODE 0xA1 NOT IMPLEMENTED
+    Fast486ExtOpcodePushFs,
+    Fast486ExtOpcodePopFs,
     NULL, // Invalid
     NULL, // TODO: OPCODE 0xA3 NOT IMPLEMENTED
     NULL, // TODO: OPCODE 0xA4 NOT IMPLEMENTED
     NULL, // TODO: OPCODE 0xA5 NOT IMPLEMENTED
     NULL, // Invalid
     NULL, // Invalid
-    NULL, // TODO: OPCODE 0xA8 NOT IMPLEMENTED
-    NULL, // TODO: OPCODE 0xA9 NOT IMPLEMENTED
+    Fast486ExtOpcodePushGs,
+    Fast486ExtOpcodePopGs,
     NULL, // TODO: OPCODE 0xAA NOT IMPLEMENTED
     NULL, // TODO: OPCODE 0xAB NOT IMPLEMENTED
     NULL, // TODO: OPCODE 0xAC NOT IMPLEMENTED
@@ -298,6 +298,46 @@

/* PUBLIC FUNCTIONS ***********************************************************/

+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePushFs)
+{
+    /* Call the internal API */
+    return Fast486StackPush(State, State->SegmentRegs[FAST486_REG_FS].Selector);
+}
+
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePopFs)
+{
+    ULONG NewSelector;
+
+    if (!Fast486StackPop(State, &NewSelector))
+    {
+        /* Exception occurred */
+        return FALSE;
+    }
+
+    /* Call the internal API */
+    return Fast486LoadSegment(State, FAST486_REG_FS, LOWORD(NewSelector));
+}
+
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePushGs)
+{
+    /* Call the internal API */
+    return Fast486StackPush(State, State->SegmentRegs[FAST486_REG_GS].Selector);
+}
+
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePopGs)
+{
+    ULONG NewSelector;
+
+    if (!Fast486StackPop(State, &NewSelector))
+    {
+        /* Exception occurred */
+        return FALSE;
+    }
+
+    /* Call the internal API */
+    return Fast486LoadSegment(State, FAST486_REG_GS, LOWORD(NewSelector));
+}
+
 FAST486_OPCODE_HANDLER(Fast486ExtOpcodeConditionalJmp)
 {
     BOOLEAN Jump = FALSE;

Modified: branches/ntvdm/lib/fast486/extraops.h
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/fast486/extraops.h?rev...
==============================================================================
--- branches/ntvdm/lib/fast486/extraops.h	[iso-8859-1] (original)
+++ branches/ntvdm/lib/fast486/extraops.h	[iso-8859-1] Sat Oct 19 18:36:04 2013
@@ -23,6 +23,10 @@
 #define _EXTRAOPS_H_

/* DEFINES ********************************************************************/
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePushFs);
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePopFs);
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePushGs);
+FAST486_OPCODE_HANDLER(Fast486ExtOpcodePopGs);
 FAST486_OPCODE_HANDLER(Fast486ExtOpcodeConditionalJmp);
 FAST486_OPCODE_HANDLER(Fast486ExtOpcodeConditionalSet);
 FAST486_OPCODE_HANDLER(Fast486OpcodeExtended);