[aandrejevic] 59795: [SOFT386] Halfplement Soft386ExecutionControl.

Author: aandrejevic
Date: Thu Aug 22 22:54:59 2013
New Revision: 59795

URL: http://svn.reactos.org/svn/reactos?rev=59795&view=rev
Log:
[SOFT386]
Halfplement Soft386ExecutionControl.


Added:
    branches/ntvdm/lib/soft386/opcodes.c   (with props)
    branches/ntvdm/lib/soft386/opcodes.h   (with props)
Modified:
    branches/ntvdm/lib/soft386/CMakeLists.txt
    branches/ntvdm/lib/soft386/soft386.c

Modified: branches/ntvdm/lib/soft386/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/CMakeLists.tx…
==============================================================================
--- branches/ntvdm/lib/soft386/CMakeLists.txt	[iso-8859-1] (original)
+++ branches/ntvdm/lib/soft386/CMakeLists.txt	[iso-8859-1] Thu Aug 22 22:54:59 2013
@@ -2,6 +2,7 @@
 
 list(APPEND SOURCE
     soft386.c
+    opcodes.c
     common.c)
 
 add_library(soft386 ${SOURCE})

Added: branches/ntvdm/lib/soft386/opcodes.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/opcodes.c?rev…
==============================================================================
--- branches/ntvdm/lib/soft386/opcodes.c	(added)
+++ branches/ntvdm/lib/soft386/opcodes.c	[iso-8859-1] Thu Aug 22 22:54:59 2013
@@ -0,0 +1,28 @@
+/*
+ * COPYRIGHT:       GPL - See COPYING in the top level directory
+ * PROJECT:         386/486 CPU Emulation Library
+ * FILE:            opcodes.c
+ * PURPOSE:         Opcode handlers.
+ * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
+ */
+
+/* INCLUDES *******************************************************************/
+
+// #define WIN32_NO_STATUS
+// #define _INC_WINDOWS
+#include <windef.h>
+
+#include <soft386.h>
+#include "opcodes.h"
+#include "common.h"
+
+// #define NDEBUG
+#include <debug.h>
+
+/* PUBLIC VARIABLES ***********************************************************/
+
+SOFT386_OPCODE_HANDLER_PROC
+Soft386OpcodeHandlers[SOFT386_NUM_OPCODE_HANDLERS] =
+{
+    NULL
+};

Propchange: branches/ntvdm/lib/soft386/opcodes.c
------------------------------------------------------------------------------
    svn:eol-style = native

Added: branches/ntvdm/lib/soft386/opcodes.h
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/opcodes.h?rev…
==============================================================================
--- branches/ntvdm/lib/soft386/opcodes.h	(added)
+++ branches/ntvdm/lib/soft386/opcodes.h	[iso-8859-1] Thu Aug 22 22:54:59 2013
@@ -0,0 +1,22 @@
+/*
+ * COPYRIGHT:       GPL - See COPYING in the top level directory
+ * PROJECT:         386/486 CPU Emulation Library
+ * FILE:            opcodes.h
+ * PURPOSE:         Opcode handlers. (header file)
+ * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
+ */
+
+#ifndef _OPCODES_H_
+#define _OPCODES_H_
+
+/* DEFINES ********************************************************************/
+
+#define SOFT386_NUM_OPCODE_HANDLERS 256
+
+typedef BOOLEAN (__fastcall *SOFT386_OPCODE_HANDLER_PROC)(PSOFT386_STATE);
+
+extern
+SOFT386_OPCODE_HANDLER_PROC
+Soft386OpcodeHandlers[SOFT386_NUM_OPCODE_HANDLERS];
+
+#endif // _OPCODES_H_

Propchange: branches/ntvdm/lib/soft386/opcodes.h
------------------------------------------------------------------------------
    svn:eol-style = native

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] Thu Aug 22 22:54:59 2013
@@ -14,6 +14,7 @@
 
 #include <soft386.h>
 #include "common.h"
+#include "opcodes.h"
 
 // #define NDEBUG
 #include <debug.h>
@@ -36,8 +37,31 @@
 NTAPI
 Soft386ExecutionControl(PSOFT386_STATE State, INT Command)
 {
-    // TODO: NOT IMPLEMENTED!!!
-    UNIMPLEMENTED;
+    BYTE Opcode;
+    INT ProcedureCallCount = 0;
+
+    /* Main execution loop */
+    do
+    {
+        /* Perform an instruction fetch */
+        if (!Soft386FetchByte(State, &Opcode)) continue;
+
+        // TODO: Check for CALL/RET to update ProcedureCallCount.
+
+        if (Soft386OpcodeHandlers[Opcode] != NULL)
+        {
+            /* Call the opcode handler */
+            Soft386OpcodeHandlers[Opcode](State);
+        }
+        else
+        {
+            /* This is not a valid opcode */
+            Soft386Exception(State, SOFT386_EXCEPTION_UD);
+        }
+    }
+    while ((Command == SOFT386_CONTINUE)
+           || (Command == SOFT386_STEP_OVER && ProcedureCallCount > 0)
+           || (Command == SOFT386_STEP_OUT && ProcedureCallCount >= 0));
 }
 
 /* PUBLIC FUNCTIONS ***********************************************************/