51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include "buffer.h"
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#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
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unsigned char audiobuffer[(MEM*1024-256)*1024];
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unsigned char *audiobufend = audiobuffer + sizeof(audiobuffer);
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#else
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/* defined in linker script */
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extern unsigned char audiobuffer[];
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#endif
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unsigned char *audiobuf;
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void buffer_init(void)
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{
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/* 32-bit aligned */
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audiobuf = (void *)(((unsigned long)audiobuffer + 3) & ~3);
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}
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void *buffer_alloc(size_t size)
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{
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void *retval = audiobuf;
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audiobuf += size;
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/* 32-bit aligned */
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audiobuf = (void *)(((unsigned long)audiobuf + 3) & ~3);
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return retval;
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}
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