firmware/export/load_code.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 by Thomas Martitz
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22
  23 #include "config.h"
  24
  25 #if (CONFIG_PLATFORM & PLATFORM_NATIVE)
  26 #include "system.h"
  27
  28 extern void *lc_open(const char *filename, char *buf, size_t buf_size);
  29 /* header is always at the beginning of the blob, and handle actually points
  30  * to the start of the blob */
  31 static inline void *lc_open_from_mem(void* addr, size_t blob_size)
  32 {
  33     (void)blob_size;
  34     cpucache_invalidate();
  35     return addr;
  36 }
  37 static inline void *lc_get_header(void *handle) { return handle; }
  38 /* no need to do anything */
  39 static inline void lc_close(void *handle) { (void)handle; }
  40
  41 #elif (CONFIG_PLATFORM & PLATFORM_HOSTED)
  42
  43 /* don't call these directly for loading code
  44  * they're to be wrapped by platform specific functions */
  45 #ifdef WIN32
  46 /* windows' LoadLibrary can only handle ucs2, no utf-8 */
  47 #define _lc_open_char wchar_t
  48 #else
  49 #define _lc_open_char char
  50 #endif
  51 extern void *_lc_open(const _lc_open_char *filename, char *buf, size_t buf_size);
  52 extern void *_lc_get_header(void *handle);
  53 extern void  _lc_close(void *handle);
  54
  55 extern void *lc_open(const char *filename, char *buf, size_t buf_size);
  56 /* not possiible on hosted platforms */
  57 extern void *lc_open_from_mem(void *addr, size_t blob_size);
  58 extern void *lc_get_header(void *handle);
  59 extern void  lc_close(void *handle);
  60 extern const char* lc_last_error(void);
  61 #endif