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+++ b/host/tools/ecostest/common/eCosTestDownloadFilter.h
@@ -0,0 +1,125 @@
+//####COPYRIGHTBEGIN####
+//                                                                          
+// ----------------------------------------------------------------------------
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
+//
+// This program is part of the eCos host tools.
+//
+// This program is free software; you can redistribute it and/or modify it 
+// under the terms of the GNU General Public License as published by the Free 
+// Software Foundation; either version 2 of the License, or (at your option) 
+// any later version.
+// 
+// This program is distributed in the hope that it will be useful, but WITHOUT 
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
+// more details.
+// 
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, write to the Free Software Foundation, Inc., 
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+// ----------------------------------------------------------------------------
+//                                                                          
+//####COPYRIGHTEND####
+//=================================================================
+//
+//        eCosTestDownloadFilter.h
+//
+//        Socket/serial download filter class
+//
+//=================================================================
+//=================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jskov
+// Contributors:  jskov
+// Date:          1999-09-20
+//####DESCRIPTIONEND####
+#ifndef _CECOSDOWNLOADFILTER_H
+#define _CECOSDOWNLOADFILTER_H
+
+#include "eCosStd.h"
+#include "eCosTest.h"
+#include "eCosTestSocket.h"
+#include "eCosTestSerial.h"
+
+//----------------------------------------------------------------------------
+// Macros to help extract values from the argument string.
+// Note: This is probably not an ideal solution, but it was easy to make :)
+
+#define INIT_VALUE(__args)                      unsigned int v; char *__ptr1, *__ptr2 = (__args)
+
+#define SET_VALUE(__type, __slot)               {    __ptr1 = strchr(__ptr2, (int) ':'); if (__ptr1) *__ptr1 = 0; v = atoi(__ptr2); __ptr2 = __ptr1+1; (__slot) = (__type) v; }
+
+#define SET_STRING(__slot)               {    __ptr1 = strchr(__ptr2, (int) ':'); if (__ptr1) *__ptr1 = 0; __slot = __ptr2; __ptr2 = __ptr1+1; }
+
+
+//----------------------------------------------------------------------------
+// The filter class
+class CeCosTestDownloadFilter;
+
+class CeCosTestDownloadFilter {
+public:
+    // Constructor
+    CeCosTestDownloadFilter();
+    ~CeCosTestDownloadFilter();
+
+    // Configuration methods
+    void SetSerialDebug(bool bSerialDebug) 
+        { m_bOptSerDebug = bSerialDebug; }
+    void SetFilterTrace(bool bFilterTrace) 
+        { m_bOptFilterTrace = bFilterTrace; }
+
+
+    bool ContinueSession() 
+        { bool r = m_bContinueSession; m_bContinueSession = false; return r; }
+
+    bool FilterFunctionProper(void*& pBuf,
+                              unsigned int& nRead,
+                              CeCosTestSerial& serial,
+                              CeCosTestSocket& socket);
+
+private:
+    // If we can guarantee a minimum buffer size in the stub, we can
+    // increase PBUFSIZE.
+    enum {MAX_CMD_LEN=128, PBUFSIZ=400};
+    enum data_origin_t {SF_TARGET=0, SF_FILTER} ;
+
+    // Output methods
+    void ConsoleWrite(const char* pszStr);
+    void Trace(const char* pszFormat, ...);
+
+    void PrintHex(const unsigned char* d1, int len, 
+                  data_origin_t origin=SF_TARGET);
+
+    // Target read/write methods
+    void TargetWrite(CeCosTestSerial &pSer, 
+                     const unsigned char* buffer, int len);
+        
+    // GDB stuff
+    int tohex(int nib);
+    int hexnumstr(unsigned char* buf, unsigned long num);
+    int hexnumlen(unsigned long num);
+    int put_binary (unsigned char* buf, int cnt, unsigned long dl_address,
+                    int packet_size, CeCosTestSerial& serial);
+
+    // Options used for configuring behavior.
+    bool m_bNullFilter;
+    bool m_bOptSerDebug;
+    bool m_bOptFilterTrace;
+
+    // Filter state
+    int  m_nCmdIndex;
+    bool m_bCmdFlag;
+    char m_aCmd[MAX_CMD_LEN];
+    bool m_bContinueSession;            // set true only after a successfull dl
+};
+
+extern bool CALLBACK DownloadFilterFunction(void*& pBuf,
+                                            unsigned int& nRead,
+                                            CeCosTestSerial& serial,
+                                            CeCosTestSocket& socket,
+                                            void* pParem);
+    
+#endif // _CECOSDOWNLOADFILTER_H