new file mode 100644
--- /dev/null
+++ b/packages/devs/disk/synth/current/src/synthdisk.c
@@ -0,0 +1,299 @@
+//==========================================================================
+//
+//      synthdisk.c
+//
+//      Disk device driver for the synthetic target 
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2003 Savin Zlobec.
+//
+// eCos 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 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    savin
+// Contributors: 
+// Date:         2003-06-18
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/devs_disk_ecosynth.h>
+
+#include <cyg/infra/cyg_type.h>
+#include <cyg/infra/cyg_ass.h>
+#include <cyg/infra/diag.h>
+#include <cyg/hal/hal_arch.h>
+#include <cyg/hal/hal_io.h>
+#include <cyg/hal/drv_api.h>
+#include <cyg/io/io.h>
+#include <cyg/io/devtab.h>
+#include <cyg/io/disk.h>
+
+#include <stdio.h> // sprintf
+
+// ----------------------------------------------------------------------------
+
+//#define DEBUG 1
+
+// ----------------------------------------------------------------------------
+
+typedef struct {
+    int        num;
+    cyg_uint32 cylinders_num;
+    cyg_uint32 heads_num;
+    cyg_uint32 sectors_num;
+    cyg_uint32 size;
+    int        filefd;
+    char       *filename;
+} synth_disk_info_t;
+
+// ----------------------------------------------------------------------------
+
+static cyg_bool synth_disk_init(struct cyg_devtab_entry *tab);
+
+static Cyg_ErrNo synth_disk_read(disk_channel *chan, 
+                                 void         *buf,
+                                 cyg_uint32    len,
+                                 cyg_uint32    block_num);
+
+static Cyg_ErrNo synth_disk_write(disk_channel *chan, 
+                                  const void   *buf,
+                                  cyg_uint32    len,
+                                  cyg_uint32    block_num);
+
+static Cyg_ErrNo synth_disk_get_config(disk_channel *chan, 
+                                       cyg_uint32    key,
+                                       const void   *xbuf, 
+                                       cyg_uint32   *len);
+
+static Cyg_ErrNo synth_disk_set_config(disk_channel *chan, 
+                                       cyg_uint32    key,
+                                       const void   *xbuf, 
+                                       cyg_uint32   *len);
+
+static Cyg_ErrNo synth_disk_lookup(struct cyg_devtab_entry  **tab,
+                                   struct cyg_devtab_entry   *sub_tab,
+                                   const char                *name);
+
+static DISK_FUNS(synth_disk_funs, 
+                 synth_disk_read, 
+                 synth_disk_write, 
+                 synth_disk_get_config,
+                 synth_disk_set_config
+);
+
+// ----------------------------------------------------------------------------
+
+#define SYNTH_DISK_INSTANCE(_number_,_mbr_supp_, _cyl_,_hpt_,_spt_)        \
+static synth_disk_info_t synth_disk_info##_number_ = {                     \
+    num:           _number_,                                               \
+    cylinders_num: _cyl_,                                                  \
+    heads_num:     _hpt_,                                                  \
+    sectors_num:   _spt_,                                                  \
+    size:          CYGNUM_IO_DISK_ECOSYNTH_DISK##_number_##_SIZE,          \
+    filefd:        -1,                                                     \
+    filename:      CYGDAT_IO_DISK_ECOSYNTH_DISK##_number_##_FILENAME       \
+};                                                                         \
+static DISK_CHANNEL(synth_disk_channel##_number_,                          \
+                    synth_disk_funs,                                       \
+                    synth_disk_info##_number_,                             \
+                    _mbr_supp_                                             \
+);                                                                         \
+BLOCK_DEVTAB_ENTRY(synth_disk_io##_number_,                                \
+             CYGDAT_IO_DISK_ECOSYNTH_DISK##_number_##_NAME,                \
+             0,                                                            \
+             &cyg_io_disk_devio,                                           \
+             synth_disk_init,                                              \
+             synth_disk_lookup,                                            \
+             &synth_disk_channel##_number_                                 \
+);
+
+// ----------------------------------------------------------------------------
+
+#ifdef CYGVAR_DEVS_DISK_ECOSYNTH_DISK0
+# ifndef CYGIMP_IO_DISK_ECOSYNTH_DISK0_MBR
+SYNTH_DISK_INSTANCE(0, false, 0, 0, 0);
+# else
+SYNTH_DISK_INSTANCE(0, true, CYGIMP_IO_DISK_ECOSYNTH_DISK0_CYLINDERS,
+                             CYGIMP_IO_DISK_ECOSYNTH_DISK0_HEADS,
+                             CYGIMP_IO_DISK_ECOSYNTH_DISK0_SECTORS);
+# endif
+#endif
+
+// ----------------------------------------------------------------------------
+
+static cyg_bool 
+synth_disk_init(struct cyg_devtab_entry *tab)
+{
+    disk_channel      *chan       = (disk_channel *) tab->priv;
+    synth_disk_info_t *synth_info = (synth_disk_info_t *) chan->dev_priv;
+    bool result = true;
+
+    if (chan->init) 
+        return true;
+
+#ifdef DEBUG
+    diag_printf("synth disk %d init size=%d\n", 
+                synth_info->num, synth_info->size);
+#endif
+   
+    synth_info->filefd = cyg_hal_sys_open(synth_info->filename, 
+            CYG_HAL_SYS_O_RDWR,
+            CYG_HAL_SYS_S_IRWXU|CYG_HAL_SYS_S_IRWXG|CYG_HAL_SYS_S_IRWXO);
+
+    if (-ENOENT == synth_info->filefd)
+    {
+        synth_info->filefd = cyg_hal_sys_open(synth_info->filename, 
+            CYG_HAL_SYS_O_RDWR|CYG_HAL_SYS_O_CREAT, 0644);
+        
+        if (synth_info->filefd >= 0)
+        {
+            unsigned char b = 0x00;
+            int i;
+        
+            for (i = 0; i < synth_info->size; i++)
+                cyg_hal_sys_write(synth_info->filefd, &b, 1);    
+        }
+    }
+
+    if (synth_info->filefd < 0)
+    {
+        CYG_ASSERT(false, "Can't open/create disk image file");
+        return false;
+    }
+   
+    if (result)
+    {
+        cyg_disk_identify_t ident;
+       
+        ident.serial[0]       = '\0';
+        ident.firmware_rev[0] = '\0';
+        ident.model_num[0]    = '\0';
+        ident.lba_sectors_num = synth_info->size / 512;
+        ident.cylinders_num   = synth_info->cylinders_num;
+        ident.heads_num       = synth_info->heads_num;
+        ident.sectors_num     = synth_info->sectors_num;
+ 
+        if (!(chan->callbacks->disk_init)(tab))
+            return false;
+        if (ENOERR != (chan->callbacks->disk_connected)(tab, &ident))
+            return false;
+    }
+    return result;
+}
+
+static Cyg_ErrNo 
+synth_disk_lookup(struct cyg_devtab_entry **tab, 
+                  struct cyg_devtab_entry  *sub_tab,
+                  const char               *name)
+{
+    disk_channel *chan = (disk_channel *) (*tab)->priv;
+    return (chan->callbacks->disk_lookup(tab, sub_tab, name));
+}
+
+static Cyg_ErrNo 
+synth_disk_read(disk_channel *chan, 
+                void         *buf,
+                cyg_uint32    len,
+                cyg_uint32    block_num)
+{
+    synth_disk_info_t *synth_info = (synth_disk_info_t *)chan->dev_priv;
+
+#ifdef DEBUG
+    diag_printf("synth disk read block %d\n", block_num);
+#endif
+    
+    if (synth_info->filefd >= 0)
+    {
+        cyg_hal_sys_lseek(synth_info->filefd, 
+                          block_num * chan->info->block_size,
+                          CYG_HAL_SYS_SEEK_SET);
+        cyg_hal_sys_read(synth_info->filefd, buf, len);
+        return ENOERR;
+    }
+    return -EIO; 
+}
+
+static Cyg_ErrNo 
+synth_disk_write(disk_channel *chan,
+                 const void   *buf,
+                 cyg_uint32    len,
+                 cyg_uint32    block_num)
+{
+    synth_disk_info_t *synth_info = (synth_disk_info_t *)chan->dev_priv;
+
+#ifdef DEBUG
+    diag_printf("synth disk write block %d\n", block_num);
+#endif
+ 
+    if (synth_info->filefd >= 0)
+    {
+        cyg_hal_sys_lseek(synth_info->filefd, 
+                          block_num * chan->info->block_size,
+                          CYG_HAL_SYS_SEEK_SET);
+        cyg_hal_sys_write(synth_info->filefd, buf, len);
+//        cyg_hal_sys_fdatasync(synth_info->filefd);
+        return ENOERR;
+    }
+    return -EIO; 
+}
+
+static Cyg_ErrNo
+synth_disk_get_config(disk_channel *chan, 
+                      cyg_uint32    key,
+                      const void   *xbuf, 
+                      cyg_uint32   *len)
+{
+
+#ifdef DEBUG
+    diag_printf("synth disk get config\n");
+#endif
+    
+    return -EINVAL;
+}
+
+static Cyg_ErrNo
+synth_disk_set_config(disk_channel *chan, 
+                      cyg_uint32    key,
+                      const void   *xbuf, 
+                      cyg_uint32   *len)
+{
+
+#ifdef DEBUG
+    diag_printf("synth disk set config\n");
+#endif
+ 
+    return -EINVAL;
+}
+
+// ----------------------------------------------------------------------------
+// EOF synthdisk.c