apps/codecs/codec_crt0.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 Tomasz Malesinski
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include "config.h"
  21 #include "codeclib.h"
  22
  23 struct codec_api *ci;
  24
  25 extern unsigned char iramcopy[];
  26 extern unsigned char iramstart[];
  27 extern unsigned char iramend[];
  28 extern unsigned char iedata[];
  29 extern unsigned char iend[];
  30 extern unsigned char plugin_bss_start[];
  31 extern unsigned char plugin_end_addr[];
  32
  33 extern enum codec_status codec_main(void);
  34
  35 CACHE_FUNCTION_WRAPPERS(ci);
  36
  37 enum codec_status codec_start(struct codec_api *api)
  38 {
  39 #ifndef SIMULATOR
  40 #ifdef USE_IRAM
  41     api->memcpy(iramstart, iramcopy, iramend - iramstart);
  42     api->memset(iedata, 0, iend - iedata);
  43 #endif
  44     api->memset(plugin_bss_start, 0, plugin_end_addr - plugin_bss_start);
  45 #endif
  46     ci = api;
  47 #if NUM_CORES > 1
  48     /* writeback cleared iedata and bss areas */
  49     flush_icache();
  50 #endif
  51     return codec_main();
  52 }